Alert archive / Iowa / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 57, NWS Quad Cities, IA

June 15, 2022Cedar County, Clinton County, Scott County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 15, 2022, 10:18 PM CDT for Cedar County, Clinton County, Scott County, Iowa. It was in force for 27 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 15, 2022, 10:18 PM CDT (03:18 UTC)
Expired: Jun 15, 2022, 10:45 PM CDT
In force: 27 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cedar County, IA, Clinton County, IA, Scott County, IA

The radar

The Quad Cities radar (KDVN), 23 km from the middle of the area, began a volume at 03:18 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
Jun 15, 6:21 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.3 hours before the alert went out and 256 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: 1791 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1885 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 9.5

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 Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 6:36 PM CDT, 3 hours 42 minutes earlier.

Area forecast discussion, Jun 15, 6:36 PM CDT, 3 hours 42 minutes before

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Hazardous weather outlook, Jun 15, 7:53 PM CDT, 2 hours 25 minutes before

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In the hours before

Local storm report, Jun 15, 9:28 PM CDT, 50 minutes before

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Special weather statement, Jun 15, 9:34 PM CDT, 44 minutes before

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Local storm report, Jun 15, 9:47 PM CDT, 31 minutes before

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Special weather statement, Jun 15, 9:53 PM CDT, 25 minutes before

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Special weather statement, Jun 15, 9:54 PM CDT, 24 minutes before

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Special weather statement, Jun 15, 9:59 PM CDT, 19 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 7:07 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Muscatine, Scott	38 min
Jun 15, 7:38 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	13 min
Jun 15, 7:42 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	48 min
Jun 15, 8:20 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	36 min
Jun 15, 8:36 PM CDT	Special Weather Statement	DVN	Jackson	39 min
Jun 15, 9:53 PM CDT	Special Weather Statement	DVN	Scott	37 min
Jun 15, 9:59 PM CDT	Special Weather Statement	DVN	Clinton, Muscatine	46 min
Jun 15, 10:07 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	38 min
Jun 15, 11:33 PM CDT	Special Weather Statement	DVN	Lee	27 min
Jun 16, 12:02 AM CDT	Special Weather Statement	DVN	Des Moines	43 min
Jun 15, 8:54 PM CDT	Special Weather Statement	DVN	Carroll	51 min
Jun 15, 9:34 PM CDT	Special Weather Statement	DVN	Stephenson	26 min
Jun 15, 10:44 PM CDT	Special Weather Statement	DVN	Carroll, Whiteside	31 min
Jun 15, 11:03 PM CDT	Special Weather Statement	DVN	Carroll	27 min
Jun 15, 11:58 PM CDT	Special Weather Statement	DVN	Mercer	32 min
Jun 16, 12:37 AM CDT	Special Weather Statement	DVN	Henry	38 min
Jun 16, 12:45 AM CDT	Special Weather Statement	DVN	Henderson, Warren	45 min
Jun 15, 9:05 PM CDT	Special Weather Statement	DVN	Clark, Scotland	25 min
Jun 15, 9:54 PM CDT	Special Weather Statement	DVN	Clark	36 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2022 Every severe thunderstorm warning in 2022

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.