4,632 first-hand accounts of flood events in Iowa, ranked by impact. Each is a NOAA-written narrative of the moment.
Heavy rain fell once again across a large part of Iowa, especially across the north and northeast. This rain fell on rivers that were already close to flood stage as they were just beginning to fall after the flooding from earlier in the month.
Read the full account →Heavy rain fell once again across a large part of Iowa, especially across the north and northeast. This rain fell on rivers that were already close to flood stage as they were just beginning to fall after the flooding from earlier in the month.
Read the full account →A very unstable airmass was in place over western Iowa and areas to the west. CAPE rose to over 6500 J/kg by late afternoon with the lifted indices falling to -12 to -15 C.
Read the full account →A boundary extended northeast to southwest across Iowa. Moisture pooled along the boundary with precipitable water values rising to over 2 inches during the night. An MCS developed over Nebraska into western Iowa.
Read the full account →On October 7, 2007 thunderstorms developed ahead of a cold front and trained across Delaware county in northeast Iowa. Rainfall of 6 inches fell in only about 3 hours in the late afternoon, causing considerable flash flooding in the city of Manchester, and surrounding rural…
Read the full account →Another round of heavy thunderstorms occurred on the 20th and afected much of the west third of Iowa including the Raccoon River basin. This produced minor to moderate flooding on the North Raccoon River which continued to the end of the month.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →An upper level disturbance tracked over Iowa and northern Missouri April 17th and 18th, bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding.
Read the full account →A warm front extended from a low pressure area over northeast Nebraska, southeast through central into southeast Iowa. A cold front extended south from the low into Kansas. South of the warm front, dew point temperatures were in the low 70s.
Read the full account →A nearly stationary frontal boundary was located to the north of Iowa during the day on the 9th. Very rich air was pumped north into the state with surface dew point temperatures reaching the mid 70s to low 80s by the late afternoon and evening hours.
Read the full account →The supercell that moved across northern Iowa during the early morning hours left behind a strong outflow boundary. This outflow boundary became established east to west across central Iowa.
Read the full account →Iowa continued to be in a very unstable airmass with temperatures in the 80s and dew point temperatures well into the 70s. A mesoscale vorticity maximum developed over the High Plains during the previous night and was located over northeast Nebraska during the morning of the…
Read the full account →An upper level disturbance induced a surface low pressure on a boundary across Eastern Iowa that moved into Northwest Illinois and far Northeast Missouri. Subsequent thunderstorms that developed were prolific hail producers due to extremely cold air aloft.
Read the full account →The synoptic situation was very similar to what it was the previous day. A complex weather situation was in place due to the convection from the previous night. An outflow boundary extended east to west across northern Missouri.
Read the full account →The synoptic situation was very similar to what it was the previous day. A complex weather situation was in place due to the convection from the previous night. An outflow boundary extended east to west across northern Missouri.
Read the full account →The synoptic situation was very similar to what it was the previous day. A complex weather situation was in place due to the convection from the previous night. An outflow boundary extended east to west across northern Missouri.
Read the full account →The cold front mentioned in the event above became stationary for several hours during the early morning of the 24th as low pressure moved from the Texas and Oklahoma Panhandles on the night of the 23rd, northeast into Iowa by the morning of the 24th.
Read the full account →A cold frontal boundary, which actually is the same boundary as had been over the state for the past several days, began to move southeast across the state during the late afternoon of the 23rd.
Read the full account →A cold frontal boundary, which actually is the same boundary as had been over the state for the past several days, began to move southeast across the state during the late afternoon of the 23rd.
Read the full account →Following the heavy rains of the previous day, thunderstorms once again developed over northern Iowa during the overnight hours of the 18th into the early morning of the 19th.
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