4,632 first-hand accounts of flood events in Iowa, ranked by impact. Each is a NOAA-written narrative of the moment.
A warm front extended east to west across the Upper Mississippi Valley on June 7, which provided the focus for thunderstorms producing excessive rainfall. In fact, these storms exhibited very high rainfall rates, which led to 1 to 2 inch rainfall amounts in an hour.
Read the full account →Thunderstorms with heavy rain developed across eastern Iowa during the evening of June 25th and briefly moved into portions of northeast Iowa before dropping south of the region.
Read the full account →As was mentioned above, the weather pattern was very active over the central U.S. A cold front had become stationary to the west of Iowa during the afternoon of the 16th. This set the stage for a serious weather situation. During the afternoon, 70 degree F.
Read the full account →A warm front extended east to west across the Upper Mississippi Valley on June 7, which provided the focus for thunderstorms producing excessive rainfall. In fact, these storms exhibited very high rainfall rates, which led to 1 to 2 inch rainfall amounts in an hour.
Read the full account →Thunderstorms with high winds and extremely heavy rain moved across northeast Iowa during the evening of September 21st into the early morning of the 22nd. Winds of 60 to 70 mph occurred near Rockford (Floyd County) and Nora Springs (Floyd County).
Read the full account →Spurred by a period of excessive precipitation from September 10-12 that resulted in 5 to 10 inches of rainfall in the middle to upper reaches of the Big Sioux River basin and 2 to 5 inches from Sioux Falls downstream, extreme rises occurred mid-month, with many basin locations…
Read the full account →In the hours after midnight on the 28th a low pressure system was over portions of central/eastern Nebraska moving toward Iowa. A warm front extended east out of the surface low into southern Iowa.
Read the full account →In the hours after midnight on the 28th a low pressure system was over portions of central/eastern Nebraska moving toward Iowa. A warm front extended east out of the surface low into southern Iowa.
Read the full account →An MCS moved into the state in the early morning hours from Minnesota, producing heavy rainfall across large portions of north-central Iowa. Highest amounts reported were generally in the 4-4.50 range with a 4.60 report in Winnebago county.
Read the full account →A boundary was pushing through the state with ongoing convection through central Iowa through the day. As the boundary neared the area, the convection intensified and impacted central and southern Iowa in the evening to early morning hours.
Read the full account →A boundary was pushing through the state with ongoing convection through central Iowa through the day. As the boundary neared the area, the convection intensified and impacted central and southern Iowa in the evening to early morning hours.
Read the full account →In the hours after midnight on the 28th a low pressure system was over portions of central/eastern Nebraska moving toward Iowa. A warm front extended east out of the surface low into southern Iowa.
Read the full account →A powerful and slow moving storm system spread heavy rainfall from the southern Plains into the central Plains over a two day period from 13th through the 14th of December.
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 →A nearly stationary frontal boundary was draped across Iowa during the afternoon of the 18th into the night. Thunderstorms erupted in the vicinity of the front as dew point temperatures in the mid 70s to around 80 pooled just south of front.
Read the full account →Rainfall amounts of 4 to 8 inches caused major flash flooding. Hardest hit were areas along the Turkey and Volga River where many roads and bridges were washed out.
Read the full account →A dynamic pattern was once again in place over the central U.S. A strong surge of moisture took place during the day on the 26th, with precipitable water values rising to over 2 inches by evening.
Read the full account →The weather pattern changed only slightly from the day before. A strong upper level trough was in place to the west of Iowa with the surface low and cold front near the western Iowa border, and the warm front bisecting the state.
Read the full account →An upper level low pressure moved northeast into the central U.S. during the day on the the 7th. The atmosphere had deep moisture present with precipitable water values in the 1.5 to 1.75 inch range across southern Iowa.
Read the full account →A very dynamic pattern was in place over the state with a closed low located over southern Canada into the north central U.S. A very strong jet of 85 to 100 kts as present at 250 mb. CAPE by early morning was already 3000 to 4000 J/kg with downdraft CAPE of 1000 to 1400 J/kg.
Read the full account →Deep moisture moved into Iowa as a strong shortwave moved into the central U.S. Moisture from former hurricane Norbert moved into the central U.S. as a low pressure system developed over Kansas.
Read the full account →Deep moisture moved into Iowa as a strong shortwave moved into the central U.S. Moisture from former hurricane Norbert moved into the central U.S. as a low pressure system developed over Kansas.
Read the full account →Deep moisture moved into Iowa as a strong shortwave moved into the central U.S. Moisture from former hurricane Norbert moved into the central U.S. as a low pressure system developed over Kansas.
Read the full account →Deep moisture moved into Iowa as a strong shortwave moved into the central U.S. Moisture from former hurricane Norbert moved into the central U.S. as a low pressure system developed over Kansas.
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