Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 42, NWS Des Moines, IA

June 6, 1995Winnebago County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 6, 1995, 7:00 PM CDT for Winnebago County, Iowa. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1995, 7:00 PM CDT (00:00 UTC)
Expired
Jun 6, 1995, 7:30 PM CDT
In force
30 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Winnebago County, IA

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.0 hours before the alert went out and 164 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 1995-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 433 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, Minneapolis, MN at 00:00Z on 1995-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
433 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
962 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDSM 062359 RRA
SVRDSM
IAC189-070035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
700 PM CDT TUE JUN 6 1995

* SEVERE THUNDERSTORM WARNING FOR
  WINNEBAGO COUNTY - NORTH CENTRAL IOWA

* UNTIL 735 PM CDT
 
* SOME TOWNS AFFECTED
    BUFFALO CENTER
    THOMPSON
    LELAND

* AT 658 PM RADAR INDICATED A SEVERE THUNDERSTORM 40 MILES NORTHWEST OF
  MASON CITY NEAR BUFFALO CENTER MOVING SOUTHEAST AT 20 MPH.

* THE STORM WILL BE NEAR THOMPSON BY 710 PM AND LELAND BY 720 PM..

  THIS IS A DANGEROUS STORM. PREPARE FOR ONE INCH DIAMETER HAIL. THIS
  AREA HAS ALSO RECEIVED OVER AN INCH OF RAIN SINCE 600 PM. WATCH FOR
  SMALL STREAM AND URBAN FLOODING.

PYTLAK

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.

In the hours before

Local storm report, Jun 6, 5:20 PM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
520 PM CDT TUE JUN 6 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....

1443 CDT   4W NORTHWOOD              IA   1 INCH DIAMETER HAIL
06/06/95   WORTH COUNTY

MS JUN 95
Local storm report, Jun 6, 5:21 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
520 PM CDT TUE JUN 6 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....

1443 C&DT   4W NORTHWOOD              IA   1 INCH DIAMETER HAIL
06/06/95   WORTH COUNTY

MS JUN 95

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:03 PM CDTSevere Thunderstorm WarningDMXCerro Gordo32 min
Jun 6, 7:18 PM CDTTornado WarningDMXCerro Gordo32 min
Jun 6, 7:33 PM CDTTornado WarningDMXFranklin32 min
Jun 6, 7:45 PM CDTSevere Thunderstorm WarningDMXFloyd35 min
Jun 6, 8:04 PM CDTTornado WarningDMXFranklin31 min
Jun 6, 8:22 PM CDTSevere Thunderstorm WarningDMXWright33 min
Jun 6, 8:35 PM CDTSevere Thunderstorm WarningDMXFranklin, Hardin30 min
Jun 6, 11:25 PM CDTSevere Thunderstorm WarningDMXHamilton35 min
Jun 7, 3:14 AM CDTSevere Thunderstorm WarningDMXEmmet46 min
Jun 7, 4:09 PM CDTSevere Thunderstorm WarningDMXWinneshiek51 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.