4,632 first-hand accounts of flood events in Iowa, ranked by impact. Each is a NOAA-written narrative of the moment.
The warm front from the previous night lifted north of the state as low pressure pushed northeast out of Kansas across northwest Iowa. The atmosphere became quite unstable. Lifted indices fell to -6 to -8, with CAPE values in the 1000 to 2000 J/kg range.
Read the full account →A very unstable airmass was in place over Iowa during the afternoon of the 23rd. Surface temperatures soared to the low to mid 90s in most areas, with dew point temperatures in the upper 70s to mid 80s.
Read the full account →A very unstable airmass was in place over Iowa during the late afternoon and evening of the 22nd. Surface temperatures warmed into the upper 80s to low 90s over much of the state with dew point temperatures rising into the mid 70s to low 80s.
Read the full account →A weak cold front moved southeast across Iowa early on the 4th and had become stationary east-west to the south of the state. The thermal gradient increased during the day and moisture pooled along the front by evening.
Read the full account →Supercell thunderstorms developed in northeast Nebraska as a warm front pressed north toward that region and a cold front was dropping south through north central Nebraska. South of the warm front temperatures climbed to around 90 degrees with dewpoint temperatures around 70.
Read the full account →Slow moving thunderstorms with very heavy rainfall moved along a stationary front over northeast Iowa causing flash flooding in the city of Oelwein (Fayette County) in the morning hours of July 7th.
Read the full account →A quasi-stationary front was located south of Iowa as an upper level shortwave advanced across the area in strong westerly flow aloft. The atmosphere was somewhat unstable, albeit the instability was elevated in nature.
Read the full account →As the system mentioned above continued to evolve, a widespread outbreak of severe weather took place over Iowa. Strong upper level dynamics moved over the state over the top of an unstable air mass.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Northeast Iowa was again the recipient of heavy rainfall during the early morning hours of June 13, as a mesoscale convective system developed along the 850 mb warm front being fed by a strong low level jet.
Read the full account →Rainfall of 4 to 8 inches fell over much of eastern Nebraska and southwest Iowa over the weekend of May 4th, 5th and 6th, 2007. Besides causing localized flash flooding, the heavy rain also produced areas of prolonged river and creek flooding over the region.|Heavier 96 hour…
Read the full account →April temperatures averaged 46.4�� or 2.1�� below normal while pecipitation totaled 5.93 inches or 2.60 inches above normal. This ranks as the 31st coldest and 2nd wettest April among 136 years of state records.
Read the full account →The seasons first strong push of warm air moved into Iowa during the overnight hours of the 1st into the 2nd. Temperatures rose through the night with readings soaring into the 60s to around 70 by the afternoon of the 2nd.
Read the full account →A strong push of moist and unstable air moved into Iowa during the day on the 24th. Surface temperatures warmed into the low to mid 70s over much of western and southern Iowa with dew point temperatures in the low to mid 60s.
Read the full account →A strong push of moist and unstable air moved into Iowa during the day on the 24th. Surface temperatures warmed into the low to mid 70s over much of western and southern Iowa with dew point temperatures in the low to mid 60s.
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