Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 47, NWS Quad Cities, IA

June 23, 1995Dubuque County, Iowa; Jo Daviess County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 23, 1995, 5:07 PM CDT for Dubuque County, Iowa; Jo Daviess County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1995, 5:07 PM CDT (22:07 UTC)
Expired
Jun 23, 1995, 5:45 PM CDT
In force
38 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

Counties Dubuque County, IA, Jo Daviess County, IL

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.1 hours before the alert went out and 89 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, Davenport, at 12:00Z on 1995-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 502 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, Davenport, at 12:00Z on 1995-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.193958Sfc1 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
502 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1480 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLI 232216 RRA
SVRMLI
IAC061-ILC085-232245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
507 PM CDT FRI JUN 23 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST IOWA
 
   ...EASTERN DUBUQUE COUNTY
 
 
IN NORTHWEST ILLINOIS
 
   ...WESTERN JO DAVIESS COUNTY
 
AT 510 PM RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF GALENA.
THIS STORM WAS MOVING TO THE SOUTHWEST AT 10 MPH. THIS STORM WILL REACH
SOUTHERN PORTIONS OF DUBUQUE AROUND 430 PM.
 
 
THIS STORM IS CAPABLE OF STRONG WINDS IN EXCESS OF 60 MPH.... TAKE COVER
NOW.
 
HIRSCH/DVN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 5:31 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson29 min
Jun 23, 5:56 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson34 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1995Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning in 1995

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.