Alert archive / Iowa / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 142, NWS Quad Cities, IA

June 4, 2023Des Moines County, Louisa County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 4, 2023, 2:35 PM CDT for Des Moines County, Louisa County, Iowa. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 4, 2023, 2:35 PM CDT (19:35 UTC)
Expired: Jun 4, 2023, 3:15 PM CDT
In force: 40 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Des Moines County, IA, Louisa County, IA

The radar

The Quad Cities radar (KDVN), 80 km from the middle of the area, began a volume at 19:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 1:51 PM CDT, 44 minutes earlier.

Area forecast discussion, Jun 4, 1:51 PM CDT, 44 minutes before

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Hazardous weather outlook, Jun 4, 3:24 AM CDT, 11 hours 11 minutes before

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In the hours before

Special weather statement, Jun 4, 1:52 PM CDT, 43 minutes before

Special Weather Statement
National Weather Service Quad Cities IA/IL
152 PM CDT Sun Jun 4 2023

IAZ089-ILZ025-041930-
Henderson IL-Des Moines IA-
152 PM CDT Sun Jun 4 2023

...A strong thunderstorm will impact portions of central Henderson
and southeastern Des Moines Counties through 230 PM CDT...

At 152 PM CDT, Doppler radar was tracking a strong thunderstorm over
Biggsville, or 7 miles south of Oquawka, moving west at 10 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Gladstone around 205 PM CDT.

Other locations in the path of this storm include Burlington and Gulf
Port.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4077 9109 4081 9110 4091 9100 4092 9097
      4088 9081 4076 9082
TIME...MOT...LOC 1852Z 091DEG 11KT 4083 9091

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Gibbs

Special weather statement, Jun 4, 2:04 PM CDT, 31 minutes before

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Local storm report, Jun 4, 2:16 PM CDT, 19 minutes before

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Local storm report, Jun 4, 2:27 PM CDT, 8 minutes before

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Local storm report, Jun 4, 2:28 PM CDT, 7 minutes before

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Special weather statement, Jun 4, 2:31 PM CDT, 4 minutes before

Special Weather Statement
National Weather Service Quad Cities IA/IL
231 PM CDT Sun Jun 4 2023

IAZ078-089-042015-
Des Moines IA-Louisa IA-
231 PM CDT Sun Jun 4 2023

...A strong thunderstorm will impact portions of north central Des
Moines and southwestern Louisa Counties through 315 PM CDT...

At 231 PM CDT, Doppler radar was tracking a strong thunderstorm over
Amber, or near Wapello, moving west at 15 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Wapello around 235 PM CDT.
  Amber around 240 PM CDT.

Other locations in the path of this storm include Morning Sun.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4120 9111 4112 9106 4101 9130 4119 9138
TIME...MOT...LOC 1931Z 069DEG 14KT 4114 9115

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

14

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 1:38 PM CDT	Special Weather Statement	DVN	Louisa	37 min
Jun 4, 2:04 PM CDT	Special Weather Statement	DVN	Louisa	26 min
Jun 4, 2:31 PM CDT	Special Weather Statement	DVN	Louisa	44 min
Jun 4, 2:41 PM CDT	Special Weather Statement	DVN	Lee	49 min
Jun 4, 2:45 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry	45 min
Jun 4, 3:20 PM CDT	Special Weather Statement	DVN	Muscatine	55 min
Jun 4, 3:27 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Washington	36 min
Jun 4, 4:12 PM CDT	Special Weather Statement	DVN	Muscatine	33 min
Jun 4, 5:08 PM CDT	Special Weather Statement	DVN	Linn	37 min
Jun 4, 1:52 PM CDT	Special Weather Statement	DVN	Henderson	38 min
Jun 4, 2:39 PM CDT	Special Weather Statement	DVN	Henderson	51 min
Jun 4, 2:53 PM CDT	Special Weather Statement	DVN	Henderson	52 min
Jun 4, 3:23 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	52 min
Jun 4, 4:09 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	27 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2023 Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.