Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 113, NWS Des Moines, IA

September 6, 1995Winneshiek County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Sep 6, 1995, 8:18 PM CDT for Winneshiek County, Iowa. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1995, 8:18 PM CDT (01:18 UTC)
Expired
Sep 6, 1995, 8:45 PM CDT
In force
27 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Winneshiek County, IA

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.3 hours before the alert went out and 216 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 00:00Z on 1995-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 187 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 00:00Z on 1995-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
187 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KALO 070119 RRA
SVRALO
IAC191-070145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WATERLOO IA
818 PM CDT WED SEP 6 1995
 
THE NATIONAL WEATHER SERVICE IN WATERLOO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST IOWA
 
   ...WINNESHIEK COUNTY
 
NATIONAL WEATHER SERVICE RADAR IN WATERLOO INDICATED A SEVERE
THUNDERSTORM MOVING INTO WINNESHIEK COUNTY. THIS STORM PRODUCED 3/4 INCH
HAIL IN CRESCO. THE STORM IS MOVING EAST AT 30 MILES AN HOUR AND WILL
AFFECT THE COMMUNITIES OF RIDGEWAY AND DECORAH BETWEEN 820 PM AND 845
PM.
 
 
 
 
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  SEVERE THUNDERSTORMS PRODUCE DAMAGING
WIND...LARGE HAIL...DEADLY LIGHTNING AND OCCASIONALLY TORNADOES.
 
 
KAUFMAN

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 6, 7:07 PM CDTSevere Thunderstorm WarningDMXCerro Gordo33 min
Sep 6, 7:53 PM CDTSevere Thunderstorm WarningDMXHoward37 min
Sep 6, 8:30 PM CDTSevere Thunderstorm WarningDMXHoward15 min

Nearby

Severe Thunderstorm Warnings in Iowa, 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.