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 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 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 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 →Several rounds of heavy rain-producing showers and thunderstorms moved across eastern Iowa and west central Illinois from 12:00 am June 22nd until approximately 6:00 am June 23rd. This occurred on already saturated ground from heavy rains on June 21st.
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 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 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 →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 →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.
Read the full account →The frontal system that moved into the state the previous night was located over southeast Iowa during the afternoon of the 12th. The atmosphere became unstable during peak heating with MUCAPE around 2000 J/kg. There was 50 to 70 kts of effective shear across the area.
Read the full account →The frontal system that moved into the state the previous night was located over southeast Iowa during the afternoon of the 12th. The atmosphere became unstable during peak heating with MUCAPE around 2000 J/kg. There was 50 to 70 kts of effective shear across the area.
Read the full account →A very unstable airmass moved into Iowa during the day on the 29th as a warm front lifted north into the state during the afternoon. Low pressure approached from the west, along with a cold front so that the triple point was near the western Iowa, eastern Nebraska area by late…
Read the full account →A strong surge of very moist and unstable air moved into Iowa as a warm front stretched east to west along the Iowa/Missouri border. By the late afternoon hours, MUCAPE was in the 3000-4000 J/kg range with lifted indices between -5 and -8 C.
Read the full account →Low pressure developed over Kansas with a strong southerly flow of very moist air streaming into Iowa ahead of it. Surface temperatures warmed into the 80s with dew point readings in the low to mid 70s.
Read the full account →Low pressure developed over Kansas with a strong southerly flow of very moist air streaming into Iowa ahead of it. Surface temperatures warmed into the 80s with dew point readings in the low to mid 70s.
Read the full account →Low pressure developed over Kansas with a strong southerly flow of very moist air streaming into Iowa ahead of it. Surface temperatures warmed into the 80s with dew point readings in the low to mid 70s.
Read the full account →A strong warm front was positioned southwest of Iowa during the early morning of the the 24th. A 40 to 50 kt low level jet transported a considerable amount of moisture northeast across the frontal boundary.
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