20:
105:, which is issued to alert fire and land management agencies to the possibility that Red Flag conditions may exist beyond the first forecast period (12 hours). The watch is issued generally 12 to 48 hours in advance of the expected conditions, but can be issued up to 72 hours in advance if the NWS agency is reasonably confident. The term “Fire Weather Watch” is headlined in the routine forecast and issued as a product, similar to the other primary fire warning terms. That watch then remains in effect until it expires, is canceled, or upgraded to a red flag warning.
63:
agencies. These agencies often alter their staffing and equipment resources dramatically to accommodate the forecast risk. To the public, a Red Flag
Warning means high fire danger with increased probability of a quickly spreading vegetation fire in the area within 24 hours.
78:
Outdoor burning bans may also be proclaimed by local law and fire agencies based on red flag warnings, for both the general public and land management officials. A fire weather warning gives extra guidance to land management officials to refrain from
230:
98:, this means that conditions for fire growth and behavior are extremely dangerous due to a combination of strong winds, very low humidity, long duration, and very dry fuels. It was used for the first time on October 29, 2019.
75:, and distance from major water sources. They usually include the daily vegetation moisture content calculations, expected afternoon high temperature, afternoon minimum relative humidity, and daytime wind speed.
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In
October 2019, the National Weather Service introduced an enhanced version of the warning, called
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The weather criteria for fire weather watches and red flag warnings vary with each
Weather Service
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176:‘Extreme’ warning issued ahead of hurricane-force Santa Ana winds, the strongest since 2007
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16:
Term used by meteorologists indicating conditions favorable for wildfire development
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60:
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728:
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combustion, and rapid spread. After drought conditions or a dry season, when
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56:
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48:
24:
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as a factor), the Red Flag
Warning becomes a critical statement for
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702:
693:
18:
1220:
1038:
52:
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43:, and land management agencies that conditions are ideal for
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is very low, and especially when there are high or erratic
71:’s warning area based on the local vegetation type,
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101:A related but less imminent forecast may include a
23:A banner indicating a red flag warning, flown at a
39:(NWS) in the United States to inform the public,
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8:
94:(PDS) wording on a high-end severe weather
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1200:
1008:
878:
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356:
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231:
217:
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188:"Three Wildfire Terms You Should Know"
7:
35:is a forecast warning issued by the
684:Tropical depression local statement
115:Severe weather terminology (Canada)
14:
1537:Firefighting in the United States
92:particularly dangerous situation
1547:Weather warnings and advisories
679:Tropical storm local statement
1:
1141:Heavy freezing spray warning
851:Urban and small stream flood
1244:Major hurricane-force winds
1573:
1136:Heavy freezing spray watch
240:Severe weather terminology
1487:Hazardous weather outlook
1477:Special weather statement
674:Hurricane local statement
192:www.cleanairresources.com
1557:National Weather Service
1482:Severe weather statement
1154:Marine weather statement
156:National Weather Service
88:extreme red flag warning
55:(which may also include
37:National Weather Service
1365:Air stagnation advisory
1164:Beach hazards statement
1131:Freezing spray advisory
367:Winter weather advisory
131:Storm Prediction Center
901:Excessive heat warning
498:Freezing rain advisory
338:Special marine warning
127:Fire weather forecasts
28:
1516:Information statement
1430:Volcanic ash advisory
1282:Blowing dust advisory
1159:Rip current statement
408:Blowing snow advisory
400:Blizzard/blowing snow
22:
1552:Wildfire suppression
1460:Saffir–Simpson scale
1402:Evacuation immediate
1324:Dense smoke advisory
1287:Blowing dust warning
1251:Extreme wind warning
1204:Advisory-force winds
1082:Hurricane-force wind
1019:Small craft advisory
896:Excessive heat watch
1462:(tropical cyclones)
1024:Brisk wind advisory
976:Hard freeze warning
331:Marine thunderstorm
90:. Analogous to the
1407:Fire weather watch
1319:Dense fog advisory
1297:Dust storm warning
1179:High surf advisory
1029:Lake wind advisory
152:"Red Flag Warning"
103:fire weather watch
29:
1524:
1523:
1378:
1377:
1370:Air quality alert
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1258:
1235:High wind warning
1184:High surf warning
1149:
1148:
994:
993:
986:Hard freeze watch
866:
865:
669:
668:
539:
538:
503:Ice storm warning
346:
345:
1564:
1392:Red flag warning
1342:Ashfall advisory
1272:
1201:
1009:
879:
699:
552:
444:Lake-effect snow
418:Blizzard warning
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96:warning or watch
81:controlled burns
33:red flag warning
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1542:Fire prevention
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1454:Enhanced Fujita
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1347:Ashfall warning
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1230:High wind watch
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1189:High surf watch
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794:Lakeshore flood
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556:Tropical storms
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1124:Freezing spray
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1103:Hazardous seas
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981:Frost advisory
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121:External links
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891:Heat advisory
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762:Coastal flood
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45:wildland fire
42:
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34:
26:
21:
1397:Fire warning
1391:
1267:particulates
1223:-force winds
1012:Marine winds
943:Extreme cold
377:Winter storm
261:Thunderstorm
196:. Retrieved
194:. 2019-02-24
191:
182:
171:
160:. Retrieved
158:. 2015-03-05
146:
102:
100:
87:
85:
77:
66:
61:firefighting
41:firefighters
32:
30:
1456:(tornadoes)
1441:used by NWS
934:PDS warning
874:temperature
825:River flood
729:Flash flood
648:Storm surge
472:Snow squall
317:PDS warning
1531:Categories
911:Wind chill
883:Heat index
579:Hurricanes
427:Heavy snow
360:Advisories
198:2019-03-07
162:2018-05-02
138:References
73:topography
1275:Dust/sand
1173:High surf
816:Statement
785:Statement
752:Emergency
742:PDS watch
513:Avalanche
322:Emergency
307:PDS watch
279:PDS watch
57:lightning
1511:Advisory
1448:Beaufort
1417:Aviation
1265:Airborne
999:Maritime
919:Advisory
872:Apparent
858:Advisory
832:Advisory
806:Advisory
770:Advisory
720:Advisory
625:Cyclones
602:Typhoons
547:cyclones
545:Tropical
531:Advisory
452:Advisory
269:Advisory
109:See also
49:humidity
25:CAL Fire
1506:Warning
1496:Tsunami
1115:Warning
1089:Warning
1073:Warning
1052:Warning
1005:weather
1003:coastal
971:Warning
950:Warning
929:Warning
842:Warning
801:Warning
780:Warning
747:Warning
715:Warning
661:Warning
638:Warning
615:Warning
592:Warning
569:Warning
521:Warning
480:Warning
462:Warning
434:Warning
390:Warning
353:weather
312:Warning
294:Tornado
284:Warning
242:in the
1450:(wind)
1425:SIGMET
959:Freeze
351:Winter
253:storms
251:Severe
69:office
1502:Watch
1470:Other
1311:Smoke
1110:Watch
1094:Watch
1068:Watch
1061:Storm
1047:Watch
966:Watch
924:Watch
837:Watch
811:Watch
775:Watch
737:Watch
710:Watch
703:Flood
694:Flood
656:Watch
633:Watch
610:Watch
587:Watch
564:Watch
526:Watch
457:Watch
385:Watch
302:Watch
274:Watch
53:winds
1384:Fire
1221:Gale
1197:Wind
1039:Gale
1334:Ash
1307:Fog
1001:and
490:Ice
1533::
190:.
154:.
83:.
31:A
1309:/
232:e
225:t
218:v
201:.
165:.
133:)
129:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
