4,632 first-hand accounts of flood events in Iowa, ranked by impact. Each is a NOAA-written narrative of the moment.
A strong low pressure was located over northeast Kansas during the afternoon and evening hours of the 14th. The low moved very slowly however a moderate transport of moisture took place ahead of the low. South winds of 25 to 30 kts pushed deep moisture north into Iowa.
Read the full account →A very unstable airmass remained in place across Iowa on the evening of the 6th with an east-west boundary lying across the mid section of the state.
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 →A seasonally strong cold front moved southeast into the state during the afternoon and evening hours of the 28th. There was a strong contrast across the front with highs in the low 90s south of the front with dew points in the low to mid 70s, and temperatures in the 60s and 70s…
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 nearly stationary frontal boundary remained draped east to west across Iowa once again. The atmosphere became very unstable during the afternoon with highs reaching the upper 80s to low 90s and dew points in the mid 70s to the south of the front.
Read the full account →A similar situation to what was in place on the early morning of the 19th took place during the afternoon and overnight of the the 19th into the 20th. In fact, the thunderstorm activity didn't really end between the two events.
Read the full account →A similar situation to what was in place on the early morning of the 19th took place during the afternoon and overnight of the the 19th into the 20th. In fact, the thunderstorm activity didn't really end between the two events.
Read the full account →A similar situation to what was in place on the early morning of the 19th took place during the afternoon and overnight of the the 19th into the 20th. In fact, the thunderstorm activity didn't really end between the two events.
Read the full account →Very warm temperatures moved into Iowa during the previous several days. High temperatures warmed into the 50s and 60s across snow covered areas. This caused considerable snow melt, leading to flooding along area rivers.
Read the full account →A strong low pressure developed over eastern Colorado and moved southeast into northern Oklahoma. Deep moisture was pulled north ahead of the low with surface dew points in the low 70s reaching northern Oklahoma.
Read the full account →A strong low pressure developed over eastern Colorado and moved southeast into northern Oklahoma. Deep moisture was pulled north ahead of the low with surface dew points in the low 70s reaching northern Oklahoma.
Read the full account →A very strong upper level low pressure trough had carved out over the western U.S. Iowa was in the strong southwest flow on the front side of this system. A surface warm front lifted north into southwest Iowa during the evening of the 5th.
Read the full account →A very strong upper level low pressure trough had carved out over the western U.S. Iowa was in the strong southwest flow on the front side of this system. A surface warm front lifted north into southwest Iowa during the evening of the 5th.
Read the full account →A very strong upper level low pressure trough had carved out over the western U.S. Iowa was in the strong southwest flow on the front side of this system. A surface warm front lifted north into southwest Iowa during the evening of the 5th.
Read the full account →A very strong upper level low pressure trough had carved out over the western U.S. Iowa was in the strong southwest flow on the front side of this system. A surface warm front lifted north into southwest Iowa during the evening of the 5th.
Read the full account →A very strong upper level low pressure trough had carved out over the western U.S. Iowa was in the strong southwest flow on the front side of this system. A surface warm front lifted north into southwest Iowa during the evening of the 5th.
Read the full account →The pattern remained much unchanged from what it was the previous day. The dynamics were a bit weaker than the previous night, but high precipitable water values remained with about 1.75 inches indicated.
Read the full account →The pattern remained much unchanged from what it was the previous day. The dynamics were a bit weaker than the previous night, but high precipitable water values remained with about 1.75 inches indicated.
Read the full account →A rather complex weather situation unfolded during the day on the 22nd. The situation was complicated by the convection that occurred during the previous night.
Read the full account →A rather complex weather situation unfolded during the day on the 22nd. The situation was complicated by the convection that occurred during the previous night.
Read the full account →A rather complex weather situation unfolded during the day on the 22nd. The situation was complicated by the convection that occurred during the previous night.
Read the full account →A line of thunderstorms dropped southward into east central Iowa and northwest Illinois during the late evening of July 3rd and early morning hours of July 4th. The storms produced torrential rains with rainfall rates over 1 inch per hour.
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