Alert archive / Iowa / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 22, NWS Quad Cities, IA

August 8, 1988Scott County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Aug 8, 1988, 6:52 PM CDT for Scott County, Iowa. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Aug 8, 1988, 6:52 PM CDT (23:52 UTC)
Expired
Aug 8, 1988, 7:30 PM CDT
In force
38 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Scott County, IA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 12:00Z, 11.9 hours before the alert went out and 137 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, Peoria Regional, IL at 12:00Z on 1988-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1444 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 12:00Z on 1988-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939Sfc1 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
1444 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1083 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 4:24 PM CDTSevere Thunderstorm WarningDVNCedar, Muscatine36 min
Aug 8, 4:58 PM CDTSevere Thunderstorm WarningDVNCedar, Muscatine, Scott32 min
Aug 8, 5:05 PM CDTSevere Thunderstorm WarningDVNJones53 min
Aug 8, 5:49 PM CDTSevere Thunderstorm WarningDVNClinton26 min
Aug 8, 6:52 PM CDTSevere Thunderstorm WarningDVNHenry, Rock Island, Whiteside38 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1988Every severe thunderstorm warning in 1988

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.