Alert archive / Iowa / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 185, NWS Quad Cities, IA

July 14, 20234 counties in Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 14, 2023, 3:25 PM CDT for 4 counties in Iowa. It was in force for 50 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 14, 2023, 3:25 PM CDT (20:25 UTC)
Expired
Jul 14, 2023, 4:15 PM CDT
In force
50 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Delaware County, IA, Dubuque County, IA, Jackson County, IA, Jones County, IA

The radar

The Quad Cities radar (KDVN), 84 km from the middle of the area, began a volume at 20:29 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.4 hours before the alert went out and 312 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2023-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 354 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2023-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
354 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

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 Jul 14, 2:47 PM CDT, 38 minutes earlier.

Area forecast discussion, Jul 14, 2:47 PM CDT, 38 minutes before
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Hazardous weather outlook, Jul 14, 7:54 AM CDT, 7 hours 31 minutes before
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
754 AM CDT Fri Jul 14 2023

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-151300-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
754 AM CDT Fri Jul 14 2023

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms are expected especially this afternoon and tonight.
The Storm Prediction Center has a slight risk of severe storms
across most of the area. The primary severe risk is damaging winds
with large hail as a secondary risk. Heavy rain and frequent
lightning can be expected with any storm.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Daily chances for showers and thunderstorms exist through the
period. There is a chance for strong to isolated severe storms
each day.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

In the hours before

Special weather statement, Jul 14, 2:53 PM CDT, 32 minutes before
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Special weather statement, Jul 14, 2:58 PM CDT, 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:36 PM CDTSpecial Weather StatementDVNMuscatine39 min
Jul 13, 10:44 PM CDTSevere Thunderstorm WarningDVNBuchanan46 min
Jul 14, 2:53 PM CDTSpecial Weather StatementDVNDelaware67 min
Jul 14, 2:58 PM CDTSpecial Weather StatementDVNBuchanan62 min
Jul 14, 3:15 PM CDTSevere Thunderstorm WarningDVNBuchanan, Delaware, Jones, Linn45 min
Jul 14, 4:12 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson, Jones48 min
Jul 14, 4:32 PM CDTSevere Thunderstorm WarningDVNClinton, Jackson, Jones58 min
Jul 14, 4:40 PM CDTSpecial Weather StatementDVNMuscatine80 min
Jul 14, 4:44 PM CDTSpecial Weather StatementDVNDelaware46 min
Jul 14, 5:11 PM CDTSpecial Weather StatementDVNDes Moines49 min
Jul 14, 5:30 PM CDTSpecial Weather StatementDVNScott45 min
Jul 14, 5:32 PM CDTSpecial Weather StatementDVNClinton, Jackson43 min
Jul 14, 6:22 PM CDTSevere Thunderstorm WarningDVNDes Moines38 min
Jul 13, 8:01 PM CDTSpecial Weather StatementDVNWhiteside44 min
Jul 13, 8:34 PM CDTSpecial Weather StatementDVNBureau26 min
Jul 13, 8:54 PM CDTSpecial Weather StatementDVNBureau36 min
Jul 13, 8:58 PM CDTSevere Thunderstorm WarningDVNBureau47 min
Jul 14, 6:00 PM CDTSpecial Weather StatementDVNHenry, Mercer, Rock Island45 min
Jul 14, 6:06 PM CDTSpecial Weather StatementDVNCarroll, Whiteside39 min
Jul 14, 6:12 PM CDTSpecial Weather StatementDVNHenderson, Warren78 min
Jul 14, 6:30 PM CDTSevere Thunderstorm WarningDVNHenry, Mercer34 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2023Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.