1055:. Dry snow, being lighter, is transported by wind more easily and accumulates more efficiently. Wet snow is heavier due to the increased water content. Significant accumulations of heavy wet snow can cause roof damage. It also requires considerably more energy to move and this can create health problems while shoveling when combined with the harsh weather conditions. Numerous deaths as a result of heart attacks can be attributed to snow removal. Accretion of wet snow to elevated surfaces occurs when snow is "sticky" enough which can cause extensive tree and power line damage in a manner similar to ice accretion during ice storms. Power can be lost for days during a major winter storm, and this usually means the loss of heating inside buildings. Other than the obvious risk of hypothermia due to cold exposure, another deadly element associated with snowstorms is
736:
1027:
917:
45:
1090:
993:
900:
694:
926:
1243:
1222:, was a crippling and historic ice storm. Most places struck by the storm, saw 2 inches (51 mm) or more of ice accumulation, and a few inches of snow on top of it. This brought down power lines, causing some people to go without electricity for a few days, to a few weeks. In some cases, electricity was out for a month or more. At the height of the storm, more than 2 million people were without electricity.
1082:
1013:
conditions in which visibility is reduced to only a few feet due to falling or blowing snow. These hazards can manifest even after snowfall has ended when strong winds are present, as these winds will pick up and transport fallen snow back onto roadways and reduce visibility in the process. This can
1004:
Accumulated snow can make driving motor vehicles very hazardous. Snow on roadways reduces friction between tires and the road surface, which in turn lowers the maneuverability of a vehicle considerably. As a result, average driving speeds on public roads and highways are reduced by up to 40% while
983:
Severe snowstorms could be quite dangerous: a 6 in (15 cm) snow depth will make some unplowed roads impassable, and it is possible for cars to get stuck in the snow. Snow depth exceeding 12 in (30 cm) especially in southern or generally warm climates will cave the roofs of some
955:
and school transport (because of the difficulty to drive and manoeuvre the school buses on slick roads). This is particularly true in places where snowfall is not typical but heavy accumulating snowfalls can occur. In places where snowfall is typical, such small snowfalls are rarely disruptive,
882:
covering part of a continent for several days. With large, massive winter storms, weather in any part of the area covered by the extreme weather is usually called "storm"; even if meteorological criteria for winter storms are not met everywhere. An example of this is the
1108:
While a 10 cm (3.9 in) snowfall is somewhat manageable by the standards of the northern United States and Canada, a comparable 10 mm (0.39 in) precipitation of an ice storm can paralyze a region; driving becomes extremely hazardous, telephone and
1104:
are one of the most dangerous types of winter storm. They typically occur when a layer of warm air hovers over a region, but the ambient temperature a few meters above the ground is near or below 0 °C (32 °F), and the ground temperature is sub-freezing.
975:
as well as the early and mid-1990s. The snowfall of 1947 exceeded 2 ft (61 cm) with drifts and snow piles from plowing that reached 12 ft (3.7 m) and for months as temperatures did not rise high enough to melt the snow. The
1261:
In countries where winter storms can occur, governments and health organizations have websites and online services with advice about how to prepare for the consequences of severe weather. Advices vary with housing standards,
984:
homes and cause loss of electricity. Standing dead trees can also be brought down by the weight of the snow, especially if it is wet. Even a few inches of dry snow can form drifts many feet high under windy conditions.
1232:
impacting most of the midwest and southcentral United States. The state of Texas gained notable publicity due to the failure of the state's power grid, causing blackouts and power outages for 7–10 days across the
1018:
if winds are strong enough. Heavy snowfall can immobilize a vehicle entirely, which may be deadly depending on how long it takes rescue crews to arrive. The clogging of a vehicle's tailpipe by snow may lead to
1191:, resulted in massive power loss throughout much of the state, and property damage due to falling trees. Except in the mountainous western part of the state, heavy snow and icy conditions are rare in
1059:
which can happen anytime combustion products from generators or heating appliances are not properly vented. Partially or fully melted snow on roadways can refreeze when temperatures fall, creating
1005:
heavy snow is falling. Visibility is reduced by falling snow, and this is further exacerbated by strong winds which are commonly associated with winter storms producing heavy snowfall. In
792:, these storms are not necessarily restricted to the winter season, but may occur in the late autumn and early spring as well. A snowstorm with strong winds and low visibility is called a
1309:
1216:
after an ice storm caused nearly $ 39 million in damages to thirty-two counties. Federal funds were provided to the counties during
January 4–6, 2005 to aid the recovery process.
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743:
735:
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experienced the worst damage, at one point losing the ability to use telephones, electricity and running water. In some areas in
Arkansas, Oklahoma, Texas and eventually
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Snowstorms with wind speed of more than 35 mph (16 m/s) and reduced visibility of less than 0.25 miles (400 m) for 3 hours or longer are called
1857:
1995:
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berries covered in icy glaze due to freezing rain. Ice storms often coat many surfaces. Severe ice storms, which may occur in spring, can kill plant life.
1314:
633:
1375:
1201:, was another severe winter storm producing extensive ice damage across a large portion of the Southern United States on December 14 to 16. It led to
2008:
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836:(soft hail). Since cold air can not hold as much moisture as warm air, the total precipitation will be less than at higher temperature.
623:
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964:, and drivers being more used to winter conditions. Snowfalls in excess of 6 in (15 cm) are usually universally disruptive.
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near the ground and clouds up in the air. The air can also be pushed upwards by hills or large mountains. The upward motion is called
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Severe winter weather conditions called "winter storms", can be local weather fulfilling the criteria for 24 hours, or large
816:. The moisture is collected by the wind from large bodies of water, such as a big lake or the ocean. If temperature is below
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1981:
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and safety regulations, but some tips are the same, such as: stock up on three days of food, water, medicines and
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Snow accumulation is 6 in (15 cm) or more in 12 hours, or 8 in (20 cm) or more in 24 hours.
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A large number of severe snowstorms, some of which were blizzards, occurred in the United States during
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1145:. Three million people lost power, some for as long as six weeks. One-third of the trees in Montreal's
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and extra batteries, stay informed, help each other, do not travel unless absolutely necessary.
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Blowing snow is reducing visibility in large areas at winds less than 35 mph (16 m/s).
1662:
1634:"5 Million Americans Have Lost Power From Texas to North Dakota After Devastating Winter Storm"
2372:
2082:
2016:
1735:"U.S. Billion-dollar Weather and Climate Disasters: Data sources, Trends, Accuracy and Biases"
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2004:
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1828:"Presidential Disaster Declaration authorized for Kansas counties hit by January ice storm"
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trees. The amount of economic damage caused by the storm has been estimated at $ 3 billion
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1158:
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1973:
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Coated in ice, power and telephone lines sag and often break, resulting in power outages.
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Low-temperature extreme weather events of high winds and freezing precipitation forms
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1473:"Severe weather 101 - How does hail compare to other types of frozen precipitation?"
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fall. 2 in (5.1 cm) of snow is enough to create serious disruptions to
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index is less than −35 °F (−37 °C) for more than 3 hours and sustained
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2000 Christmas Day Ice Storm, caused devastating electrical issues in parts of
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because of effective snow and ice removal by municipalities, increased use of
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Depending on the temperature profile in the atmosphere, snow can be either
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1606:"Millions without power and 21 dead as ferocious winter weather sweeps US"
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Ice accumulations on surfaces are 0.25 in (0.64 cm) or more.
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820:, 0 °C (32 °F), near the ground and up in the clouds,
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360:
1977:
1782:. National Oceanic and Atmospheric Administration. 31 July 2009
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with snowfall and below freezing temperatures as far south as
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30:
This article is about storms in winter. For other uses, see
852:
Ice pellets larger than 1 in (2.5 cm) are formed.
1632:
Sullivan, Brian K.; Malik, Naureen S. (15 February 2021).
939:
January 31 – February 2, 2011, North
American winter storm
804:
Winter storms are formed when moist air rises up into the
1030:
Wet snow and sleet during a winter storm, on the deck of
1149:
park were damaged, as well as a large proportion of the
980:
manifested as a blizzard in most of the affected areas.
1212:, had been declared a major disaster zone by President
762:
is an event in which wind coincides with varieties of
1310:
List of snowiest places in the United States by state
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2216:
2184:
2150:
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2091:
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2024:
2015:
1858:"10 things you should do now to prepare for winter"
1412:U.S. Billion-dollar Weather and Climate Disasters
1220:2009 January Central Plains and Midwest ice storm
1780:National Weather Service Weather Forecast Office
1129:that affected much of eastern Canada, including
947:Snowstorms are storms where large quantities of
885:February 13–17, 2021 North American winter storm
37:"Snowstorm" redirects here. For other uses, see
1678:"Winter Weather Awareness – Impacts On Society"
1663:"Snow & Ice – FHWA Road Weather Management"
1581:National Oceanic and Atmospheric Administration
1545:National Oceanic and Atmospheric Administration
1511:University Corporation for Atmospheric Research
1481:National Oceanic and Atmospheric Administration
1448:National Oceanic and Atmospheric Administration
1801:Dolce, Chris; Erdman, Jon (12 February 2014).
1397:Late December 2022 North American winter storm
1392:Winter of 2010–11 in Great Britain and Ireland
1989:
937:'s Fullerton Harbor looking south during the
742:members clear a road of fallen trees after a
716:
8:
1716:"Why do so many people die shovelling snow?"
1440:"Severe weather 101 - Winter Weather Basics"
1599:
1597:
2220:
2147:
2021:
1996:
1982:
1974:
1315:Severe weather terminology (United States)
723:
709:
59:
1567:
1565:
1563:
1561:
1376:October 2013 North American storm complex
1228:was the deadliest winter storm since the
941:(left) and on a clear day for comparison.
839:Winter storm warnings will be issued if:
1531:
1529:
1527:
43:
1430:
1428:
1424:
862:of at least 10 mph (4.5 m/s).
71:
48:Heavy snowfall and strong winds during
1113:are damaged, and crops may be ruined.
7:
1320:Severe weather terminology (Canada)
787:temperate continental and subarctic
1927:Swedish Civil Contingencies Agency
1803:"The Nation's 10 Worst Ice Storms"
1270:, keep warm clothes ready, keep a
25:
1695:US Department of Commerce, NOAA.
1676:US Department of Commerce, NOAA.
1469:National Severe Storms Laboratory
1436:National Severe Storms Laboratory
1776:"Ice Storm December 25-26, 2000"
1604:Salam, Erum (17 February 2021).
1371:July 2007 Argentine winter storm
1127:North American ice storm of 1998
924:
915:
692:
1361:North American blizzard of 1947
1733:Smith, A.B.; Katz, R. (2013).
1121:Notable ice storms include an
1:
2409:Snow or ice weather phenomena
1957:Commonwealth of Massachusetts
1208:2005 January winter storm in
1189:2002 North Carolina ice storm
1009:, this may lead to prolonged
32:Winter storm (disambiguation)
2358:Potentially hazardous object
1387:Winter of 2010–11 in Europe
1381:St. Patrick's Day Snowstorm
1366:2011 Groundhog Day blizzard
1238:Preparing for winter storms
620:Severe weather terminology
82:Temperate and polar seasons
2440:
1949:"Winter Storm Safety Tips"
1070:
1023:buildup inside the cabin.
744:February 2021 winter storm
39:Snowstorm (disambiguation)
36:
29:
1754:10.1007/s11069-013-0566-5
1247:2008 Chinese winter storm
1057:carbon monoxide poisoning
1916:"If crisis or war comes"
891:and the Gulf of Mexico.
824:will fall as snow, ice,
1714:Why, Who (2017-02-09).
1697:"Winter Weather Safety"
1537:"Winter Weather Topics"
1335:Winter weather advisory
1290:Classifications of snow
1199:2005 December Ice Storm
1043:in the English Channel.
1356:Great Blizzard of 1888
1258:
1205:and at least 7 deaths.
1097:
1086:
1044:
1001:
908:
755:
681:Tropical cyclone terms
57:
1887:"Winter Storm Safety"
1245:
1137:, as well as upstate
1092:
1084:
1029:
995:
988:Hazards from snowfall
902:
738:
288:Extratropical cyclone
212:Air-mass thunderstorm
47:
1862:www.metoffice.gov.uk
1340:Winter storm warning
648:Weather modification
246:Anticyclonic tornado
1807:Weather Underground
1417:Weather For Dummies
1179:Texarkana, Arkansas
1141:and parts of upper
1016:blizzard conditions
826:rain and snow mixed
779:mixed snow and rain
766:that only occur at
643:Weather forecasting
479:Rain and snow mixed
305:Subtropical cyclone
2009:list by death toll
1895:American Red Cross
1573:"Warning Criteria"
1345:Winter storm watch
1300:Heavy snow warning
1259:
1117:Notable ice storms
1098:
1087:
1045:
1002:
909:
756:
699:Weather portal
315:Atlantic hurricane
293:European windstorm
200:Volcanic lightning
161:Cumulonimbus cloud
58:
2396:
2395:
2373:Geomagnetic storm
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2345:
2212:
2211:
2139:
2138:
2083:Soil liquefaction
2005:Natural disasters
1352:and other storms
1305:Ice storm warning
1226:2021 Winter Storm
1100:Heavy showers of
978:1993 "Superstorm"
733:
732:
16:(Redirected from
2431:
2424:Winter phenomena
2305:Tropical cyclone
2299:Tornado outbreak
2221:
2148:
2101:Pyroclastic flow
2093:Volcano eruption
2022:
1998:
1991:
1984:
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1891:www.redcross.org
1883:
1877:
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1872:
1854:
1848:
1847:
1845:
1843:
1838:on 25 April 2016
1834:. Archived from
1832:accesskansas.org
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1419:, by John D. Cox
1325:Siberian Express
1230:Blizzard of 1996
958:four-wheel drive
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919:
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697:
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310:Tropical cyclone
222:Dry thunderstorm
117:Tropical seasons
60:
21:
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2419:Weather hazards
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2273:Cyclonic storms
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2204:Limnic eruption
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2123:Natural erosion
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1742:Natural Hazards
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1701:www.weather.gov
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1577:www.weather.gov
1571:
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1541:www.weather.gov
1535:
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1513:
1503:"Winter Storms"
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1257:Province, China
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1071:Main articles:
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1021:carbon monoxide
1014:even result in
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391:Ground blizzard
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109:
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84:
50:a 2016 blizzard
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2073:Seismic hazard
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1330:Snow emergency
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1264:infrastructure
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1234:
1223:
1217:
1214:George W. Bush
1206:
1196:
1193:North Carolina
1186:
1177:. The city of
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1115:
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996:Snow storm in
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783:freezing rain
780:
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764:precipitation
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748:Putnam County
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55:
54:New York City
51:
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40:
33:
19:
2363:Impact event
2351:Astronomical
2285:Thunderstorm
2280:Bomb cyclone
2144:Hydrological
2113:Volcanic ash
2078:Seismic risk
2026:Mass wasting
1960:. Retrieved
1953:www.mass.gov
1952:
1943:
1931:. Retrieved
1922:
1910:
1898:. Retrieved
1890:
1881:
1869:. Retrieved
1861:
1852:
1840:. Retrieved
1836:the original
1831:
1822:
1810:. Retrieved
1806:
1796:
1784:. Retrieved
1779:
1770:
1745:
1741:
1728:
1719:
1709:
1700:
1690:
1681:
1671:
1657:
1645:. Retrieved
1638:www.time.com
1637:
1627:
1615:. Retrieved
1611:The Guardian
1609:
1584:. Retrieved
1576:
1548:. Retrieved
1540:
1514:. Retrieved
1507:www.ucar.edu
1506:
1496:
1484:. Retrieved
1477:www.noaa.gov
1476:
1463:
1451:. Retrieved
1444:www.noaa.gov
1443:
1416:
1260:
1120:
1107:
1099:
1052:
1048:
1046:
1034:
1003:
982:
966:
946:
877:
865:
838:
810:low pressure
803:
771:temperatures
760:winter storm
759:
757:
452:Diamond dust
376:Winter storm
375:
207:Thunderstorm
2378:Solar flare
2264:Megadrought
2224:Temperature
2197:Megatsunami
2176:Storm surge
2171:Flash flood
2049:Debris flow
1962:19 February
1933:19 February
1900:19 February
1871:19 February
1748:: 387–410.
1647:19 February
1617:19 February
1586:19 February
1550:19 February
1516:19 February
1486:19 February
1453:19 February
1153:-producing
1147:Mount Royal
1143:New England
1111:power lines
874:Terminology
830:ice pellets
808:, creating
666:Meteorology
601:Meteorology
489:Snow roller
484:Snow grains
447:Ice pellets
396:Snow squall
327:Storm surge
273:Anticyclone
229:Mesocyclone
217:Thundersnow
166:Arcus cloud
2403:Categories
2059:Earthquake
2017:Geological
1923:www.msb.se
1866:Met Office
1406:References
1272:flashlight
1036:Tidespring
962:snow tires
860:wind speed
856:Wind chill
806:atmosphere
773:, such as
660:Glossaries
596:Jet stream
535:Convection
521:Atmosphere
469:Cloudburst
332:Dust storm
298:Nor'easter
268:Fire whirl
263:Dust devil
256:Waterspout
183:Heat burst
178:Microburst
136:Wet season
124:Dry season
18:Snowstorms
2388:Hypernova
2383:Supernova
2331:Firestorm
2246:Heat wave
2241:Ice storm
2236:Cold wave
2039:Avalanche
2034:Landslide
1350:Blizzards
1295:Cold wave
1183:Louisiana
1125:-related
1073:Ice storm
1061:black ice
1039:south of
907:, Finland
895:Snowstorm
868:blizzards
828:(sleet),
800:Formation
591:Heat wave
586:Cold wave
530:Chemistry
381:Ice storm
371:Firestorm
283:Polar low
251:Landspout
234:Supercell
195:Lightning
173:Downburst
129:Harmattan
63:Part of
2338:ARkStorm
2326:Wildfire
2231:Blizzard
2131:Sinkhole
1812:26 April
1786:26 April
1762:30742858
1720:BBC News
1278:See also
1171:Oklahoma
1167:Arkansas
1139:New York
1131:Montreal
1094:Hawthorn
1041:Plymouth
1011:whiteout
832:or even
818:freezing
794:blizzard
790:climates
768:freezing
462:Freezing
423:Freezing
386:Blizzard
65:a series
2321:Derecho
2295:Tornado
2256:Drought
2192:Tsunami
2044:Mudflow
1842:8 April
1383:of 1892
1123:El Niño
1000:, Italy
953:traffic
935:Chicago
834:graupel
616:Extreme
562:Physics
552:Climate
540:Physics
430:Graupel
418:Drizzle
366:Sirocco
349:Monsoon
320:Typhoon
278:Cyclone
241:Tornado
188:Derecho
73:Weather
1929:. 2018
1760:
1233:state.
1210:Kansas
1173:, and
1135:Ottawa
998:Modena
624:Canada
579:Season
509:Topics
354:Amihan
342:Haboob
337:Simoom
149:Storms
104:Autumn
99:Summer
94:Spring
89:Winter
2414:Storm
2314:Other
2185:Other
2152:Flood
2106:Lahar
1919:(PDF)
1758:S2CID
1738:(PDF)
1255:Anhui
1251:Hefei
1175:Texas
1155:maple
1151:sugar
889:Texas
785:. In
781:, or
629:Japan
557:Cloud
545:River
494:Slush
156:Cloud
2289:Hail
2157:List
2064:List
1964:2021
1935:2021
1902:2021
1873:2021
1844:2016
1814:2016
1788:2016
1649:2021
1642:Time
1619:2021
1588:2021
1552:2021
1518:2021
1488:2021
1455:2021
1133:and
1075:and
973:1947
971:and
969:1888
960:and
949:snow
905:Oulu
814:lift
775:snow
611:List
574:Mist
474:Snow
457:Rain
435:Hail
361:Gale
1750:doi
1249:in
1159:CAD
1053:dry
1051:or
1049:wet
1032:RFA
746:in
569:Fog
52:in
2405::
2007:–
1955:.
1951:.
1925:.
1921:.
1893:.
1889:.
1864:.
1860:.
1830:.
1805:.
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1746:67
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1560:^
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1526:^
1509:.
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1427:^
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2062:(
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1990:t
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1966:.
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1752::
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20:)
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