Alert archive / Iowa / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 230, NWS Des Moines, IA

July 10, 2024Adams County, Ringgold County, Taylor County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 10, 2024, 3:01 PM CDT for Adams County, Ringgold County, Taylor County, Iowa. It was in force for 44 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: Jul 10, 2024, 3:01 PM CDT (20:01 UTC)
Expired: Jul 10, 2024, 3:45 PM CDT
In force: 44 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Adams County, IA, Ringgold County, IA, Taylor County, IA

The radar

The Des Moines radar (KDMX), 121 km from the middle of the area, began a volume at 20:05 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 2:44 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.0 hours before the alert went out and 162 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 690 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 1483 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

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 Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 2:23 PM CDT, 38 minutes earlier.

Area forecast discussion, Jul 10, 2:23 PM CDT, 38 minutes before

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Hazardous weather outlook, Jul 10, 2:36 PM CDT, 25 minutes before

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In the hours before

Special weather statement, Jul 10, 1:27 PM CDT, 1 hour 34 minutes before

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Local storm report, Jul 10, 1:52 PM CDT, 1 hour 9 minutes before

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Local storm report, Jul 10, 2:03 PM CDT, 58 minutes before

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Local storm report, Jul 10, 2:45 PM CDT, 16 minutes before

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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 1:27 PM CDT	Special Weather Statement	DMX	Clarke, Lucas	48 min
Jul 10, 1:34 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	41 min
Jul 10, 1:59 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	46 min
Jul 10, 2:10 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Lucas, Monroe, Wayne	50 min
Jul 10, 2:23 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	52 min
Jul 10, 3:04 PM CDT	Special Weather Statement	DMX	Tama	41 min
Jul 10, 3:26 PM CDT	Special Weather Statement	DMX	Tama	34 min
Jul 10, 3:52 PM CDT	Special Weather Statement	DMX	Taylor	23 min
Jul 10, 3:55 PM CDT	Special Weather Statement	DMX	Davis	35 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2024 Every severe thunderstorm warning in 2024

Sources

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