4,632 first-hand accounts of flood events in Iowa, ranked by impact. Each is a NOAA-written narrative of the moment.
A nearly stationary front extended east to west across Iowa during the afternoon of the 22nd. The airmass was primed with dew point temperatures in the mid 70s south of the front and precipitable water values around 2 inches.
Read the full account →A nearly stationary front extended east to west across Iowa during the afternoon of the 22nd. The airmass was primed with dew point temperatures in the mid 70s south of the front and precipitable water values around 2 inches.
Read the full account →Heavy rainfall occurred over a large part of Iowa. Due to an extensive period of drought, most areas did not experience any significant flooding. The synoptic situation was more similar to a summer scenario in many ways.
Read the full account →A warm, moist, and unstable airmass was in place over Iowa. The warm front that had produced the convection during the early morning hours of the 8th had become stationary over northern Iowa. With lifted indices below -10 C.
Read the full account →Once again it was a very active severe weather day over Iowa. The frontal system that had moved through the state on the night of the 22nd was returning north as a warm front. This time Iowa did not get completely into the warm sector.
Read the full account →A very unstable airmass was over Iowa and helped kick off the seasons first severe weather outbreak. At the surface a warm frontal boundary extended nearly east to west across the state and provided the focus for thunderstorm development.
Read the full account →Once again it was a very active severe weather day over Iowa. The frontal system that had moved through the state on the night of the 22nd was returning north as a warm front. This time Iowa did not get completely into the warm sector.
Read the full account →Once again it was a very active severe weather day over Iowa. The frontal system that had moved through the state on the night of the 22nd was returning north as a warm front. This time Iowa did not get completely into the warm sector.
Read the full account →Once again it was a very active severe weather day over Iowa. The frontal system that had moved through the state on the night of the 22nd was returning north as a warm front. This time Iowa did not get completely into the warm sector.
Read the full account →A tropical airmass was in place over Iowa as a weak cold front moved southeast into the state. At the same time, a tropical feature lifted north across Texas into Oklahoma and fed moisture into the state.
Read the full account →A warm, moist, and unstable airmass was in place over Iowa. The warm front that had produced the convection during the early morning hours of the 8th had become stationary over northern Iowa. With lifted indices below -10 C.
Read the full account →A warm, moist, and unstable airmass was in place over Iowa. The warm front that had produced the convection during the early morning hours of the 8th had become stationary over northern Iowa. With lifted indices below -10 C.
Read the full account →A tropical airmass was in place over Iowa as a weak cold front moved southeast into the state. At the same time, a tropical feature lifted north across Texas into Oklahoma and fed moisture into the state.
Read the full account →Moderately unstable air was in place over Iowa as an upper level low pressure area lifted northeast across the area. At the surface, low pressure moved into west central Iowa by the early afternoon hours. A warm front extended east from the low across central Iowa.
Read the full account →A persistent stationary front continued to remain across Iowa and Northern Illinois. Two squall lines developed in the late afternoon in Western Iowa, one north and one south of the stationary front. These squall lines raced east across Eastern Iowa and Northern Illinois.
Read the full account →A very unstable airmass was over Iowa during the afternoon of the 3rd. A cold front sank into northern Iowa during the afternoon. Numerous outflow boundaries were located over the state from previous convection as well.
Read the full account →A very unstable situation took shape over Iowa during the day on the 11th. A nearly stationary frontal boundary extended nearly east to west across the state along U.S. Highway 20, or roughly from Fort Dodge to Waterloo.
Read the full account →A tropical airmass was in place over Iowa as a weak cold front moved southeast into the state. At the same time, a tropical feature lifted north across Texas into Oklahoma and fed moisture into the state.
Read the full account →A strong southerly flow developed over Iowa as a cold frontal boundary slid southeast into the state. Low level winds of 30 to 45 kts impinged on the front during the late afternoon and into the night.
Read the full account →Storms developed in a moist to near tropical atmosphere along a warm front from Dubuque, Iowa to Falls City, Nebraska, and ahead of a cold front in western Iowa.
Read the full account →A strong southerly flow developed over Iowa as a cold frontal boundary slid southeast into the state. Low level winds of 30 to 45 kts impinged on the front during the late afternoon and into the night.
Read the full account →The cold frontal boundary that moved into the state during the previous night began to lift north as a warm front during the afternoon of the 25th into the morning of the 26th. The atmosphere to the south of the front had considerable moisture available.
Read the full account →The cold frontal boundary that moved into the state during the previous night began to lift north as a warm front during the afternoon of the 25th into the morning of the 26th. The atmosphere to the south of the front had considerable moisture available.
Read the full account →The cold frontal boundary that moved into the state during the previous night began to lift north as a warm front during the afternoon of the 25th into the morning of the 26th. The atmosphere to the south of the front had considerable moisture available.
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