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A surface low pressure formed over Hazara and
Malakand division between 34-37ºN and 70-75ºE with central pressure less than 996 hpa. There was a gradually accentuating upper air westerly trough at 500 hpa between 40-50ºN and 60-70ºE and there were strong monsoon incursions from the Arabian
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and its tributaries over flooded and inundated the nearby houses, bridges and roads. According to the official figures, at least 10 people died, 800 houses were destroyed and 1,069 houses were damaged in
Islamabad. Over all 61 people died of the catastrophe.
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Pakistan
Meteorological Department issued heavy rainfall forecast in its Weather Broadcast Bulletin a day earlier and Flash flood Warning was issued almost 4–5 hours in advance. Due to the continuous heavy downpour, the
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and its tributaries of
Rawalpindi, which not only flood the low-lying areas of the twin cities but swept away the banks of the stream and buildings built in the encroachments. Islamabad's twin city,
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Sea and the Bay of Bengal while the southwesterly monsoon current from the
Arabian Sea showed strong convergence over Islamabad,
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366:"ECONOMIC AND SOCIETAL IMPACTS OF VERY SHORT RANGE FORECASTING IN DEVELOPING COUNTRIES AND USER CONCERNS; PAKISTAN PERSPECTIVE"
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The cloud burst was the result of the sequel of vigorously developed cloud due to the combined effect of well marked
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experienced a record breaking 620 millimetres (24 in) of rainfall, which was the 24 hours heaviest rainfall in
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Divisions and the presence of a strong southeasterly monsoon current from along the foothills of the
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394:"Cloud Burst (Heavy Rain) Over Twin Cities Islamabad - Rawalpindi on 23rd July 2001"
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in different locations of
Islamabad and Rawalpindi is detailed below.
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experienced 335 millimetres (13.2 in) of rain during this event.
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333:. Abdul Hameed, Director Pakistan Meteorological Department.
419:"SEVERE STORMS on dated 23rd July 2001 Islamabad pakistan"
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328:"Severe Storms on dated 23 July 2001 Islamabad, Pakistan"
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Islamabad, Rawalpindi, Hazara and
Malakand Divisions
83:in Islamabad and Rawalpindi, caused the worst ever
364:Azmat Hayat, Anjum Bari Farooqi (5 July 2005).
350:. National Climatic Data Center. 6 August 2001.
139:over the twin cities of Rawalpindi/Islamabad.
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79:lasted for about 10 hours from 0600 to 1600
61:620 millimetres (24 in), in Islamabad
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498:: 8. July–December 2001. Archived from
460:: 7. July–December 2001. Archived from
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75:during the past 100 years. Continuous
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170:Total Rainfall from 0500 to 1700 PST
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496:SAARC Meteorological Research Centre
458:SAARC Meteorological Research Centre
111:with enough supply of moisture from
525:Pakistan Meteorological Department
144:Pakistan Meteorological Department
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107:(Westerly wave), passing over 500
348:"Weather Log - July 21–31, 2001"
243:335 millimetres (13.2 in)
218:417 millimetres (16.4 in)
392:Naeem Shah (21 October 2002).
268:170 millimetres (6.7 in)
215:314 millimetres (12.4 in)
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417:Abdul Hameed (10 July 2007).
259:06 millimetres (0.24 in)
237:200 millimetres (7.9 in)
231:04 millimetres (0.16 in)
206:103 millimetres (4.1 in)
195:620 millimetres (24 in)
186:132 millimetres (5.2 in)
265:99 millimetres (3.9 in)
262:65 millimetres (2.6 in)
240:48 millimetres (1.9 in)
234:83 millimetres (3.3 in)
192:46 millimetres (1.8 in)
189:400 millimetres (16 in)
183:42 millimetres (1.7 in)
87:in the local stream called
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21:2001 Islamabad Cloudburst
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540:Geography of Islamabad
300:Climate of Rawalpindi
142:Rainfall recorded by
57:Maximum Precipitation
464:on 30 September 2003
295:Climate of Islamabad
305:Climate of Pakistan
121:Rawalpindi District
560:2000s in Islamabad
545:Floods in Pakistan
27:Date of Occurrence
484:"SMRC-Newsletter"
446:"SMRC-Newsletter"
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113:southwest monsoon
67:On 23 July 2001,
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555:2001 meteorology
550:2001 in Pakistan
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212:Did not measure
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152:Name of Station
105:westerly trough
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31:23 July 2001
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504:. Retrieved
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135:caused the
85:Flash flood
534:Categories
488:Newsletter
450:Newsletter
311:References
282:Nullah Lai
253:Rawalpindi
228:Rawalpindi
137:cloudburst
93:Rawalpindi
275:Aftermath
224:Shamsabad
203:Islamabad
180:Islamabad
133:Himalayas
89:Nulla Lai
69:Islamabad
289:See also
155:Location
129:Malakand
77:downpour
73:Pakistan
506:22 June
468:22 June
249:Airport
200:Saidpur
427:1 June
402:1 June
374:1 June
256:Traces
125:Hazara
99:Causes
47:Deaths
494:(1).
456:(1).
422:(PDF)
397:(PDF)
369:(PDF)
331:(PDF)
37:Place
508:2014
470:2014
429:2014
404:2014
376:2014
127:and
123:and
109:hpa
81:PST
51:61
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