Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 37, NWS Quad Cities, IA

June 13, 1994Jo Daviess County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 13, 1994, 12:48 AM CDT for Jo Daviess County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1994, 12:48 AM CDT (05:48 UTC)
Expired
Jun 13, 1994, 1:30 AM CDT
In force
42 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Jo Daviess County, IL

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 5.8 hours before the alert went out and 388 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, Minneapolis, MN at 00:00Z on 1994-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 1994-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1268 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
106 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
Jun 12, 11:53 PM CDTSevere Thunderstorm WarningDVNClayton37 min
Jun 13, 12:37 AM CDTTornado WarningDVNGrant38 min
Jun 13, 1:02 AM CDTSevere Thunderstorm WarningDVNLafayette43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1994Every severe thunderstorm warning in 1994

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.