Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 16, NWS Des Moines, IA

April 8, 1995Jasper County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Apr 8, 1995, 10:24 PM CDT for Jasper County, Iowa. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Apr 8, 1995, 10:24 PM CDT (03:24 UTC)
Expired
Apr 8, 1995, 10:55 PM CDT
In force
31 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Jasper County, IA

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.4 hours before the alert went out and 212 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 1995-04-09Temperature 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, Davenport, at 00:00Z on 1995-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KDSM 090326 RRA
SVRDSM
IAC099-090355-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1024 PM CDT SAT APR 8 1995

* SEVERE THUNDERSTORM WARNING FOR
  JASPER COUNTY - CENTRAL IOWA

* UNTIL 1050 PM CDT
 
* SOME TOWNS AFFECTED
    MINGO
    PRAIRIE CITY
    NEWTON

* AT 1024 PM RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES EAST OF DES
  MOINES  MOVING NORTHEAST AT 30 MPH.

* THE STORM WILL BE THE STORMS WILL BE NEAR BAXTER BY 1040 PM.

THIS IS A DANGEROUS STORM.  DO NOT GO OUTDOORS.




PETERSEN

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

Special weather statement, Apr 8, 9:33 PM CDT, 51 minutes before
IAZ002>011-013>027-031>35-SDZ071-NEZ013>015-090800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
935 PM CDT SAT APR 8 1995

THE WINTER STORM WATCH FOR NORTHERN IOWA HAS BEEN EXPANDED AND
EXTENDED. THE WATCH IS IN EFFECT FOR SUNDAY AFTERNOON AND SUNDAY
NIGHT ALONG AND NORTH OF A LINE FROM WAUKON TO FORT DODGE TO SIOUX
CITY. CITIES INCLUDED IN THE WATCH ARE SIOUX CITY...SPENCER...
ESTHERVILLE...STORM LAKE...MASON CITY...AND DECORAH.

A MAJOR WINTER STORM WILL OCCUR ACROSS THE UPPER MIDWEST LATE SUNDAY
AFTERNOON AND SUNDAY NIGHT. AN INITIAL SHOT OF RAIN TONIGHT MAY MIX
WITH SNOW LATE TONIGHT ALONG THE MINNESOTA BORDER.  A SECOND ROUND OF
HEAVIER PRECIPITATION...MAINLY IN THE FORM OF SNOW...WILL MOVE IN LATE
SUNDAY.

TOTAL STORM ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE IN THE WATCH
AREA BY LATE SUNDAY NIGHT. ADDITIONALLY...STRONG NORTHEAST WINDS MAY
CAUSE CONSIDERABLE BLOWING AND DRIFTING OF THE SNOW SUNDAY NIGHT. THE
HEAVY SNOW WILL FALL JUST NORTH OF THE RAIN-SNOW LINE...SO EVEN A SMALL
SHIFT IN STORM TRACK COULD RADICALLY ALTER SNOWFALL ACCUMULATIONS.

PEOPLE PLANNING TO BE IN OR NEAR THE WATCH AREA SUNDAY AFTERNOON AND
NIGHT SHOULD CONTINUE TO MONITOR FUTURE FORECASTS CLOSELY AND MAKE ANY
NECESSARY PREPARATIONS.

PYTLAK/JEB
Special weather statement, Apr 8, 9:35 PM CDT, 49 minutes before
IAZ002>011-013>027-031>35-SDZ071-NEZ013>015-090800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
935 PM CDT SAT APR 8 1995

THE WINTER STORM WATCH FOR NORTHERN IOWA HAS BEEN EXPANDED AND
EXTENDED. THE WATCH IS IN EFFECT FOR SUNDAY AFTERNOON AND SUNDAY
NIGHT ALONG AND NORTH OF A LINE FROM WAUKON TO FORT DODGE TO SIOUX
CITY. CITIES INCLUDED IN THE WATCH ARE SIOUX CITY...SPENCER...
ESTHERVILLE...STORM LAKE...MASON CITY...AND DECORAH.

A MAJOR WINTER STORM WILL OCCUR ACROSS THE UPPER MIDWEST LATE SUNDAY
AFTERNOON AND SUNDAY NIGHT. AN INITIAL SHOT OF RAIN TONIGHT MAY MIX
WITH SNOW LATE TONIGHT ALONG THE MINNESOTA BORDER.  A SECOND ROUND OF
HEAVIER PRECIPITATION...MAINLY IN THE FORM OF SNOW...WILL MOVE IN LATE
SUNDAY.

TOTAL STORM ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE IN THE WATCH
AREA BY LATE SUNDAY NIGHT. ADDITIONALLY...STRONG NORTHEAST WINDS MAY
CAUSE CONSIDERABLE BLOWING AND DRIFTING OF THE SNOW SUNDAY NIGHT. THE
HEAVY SNOW WILL FALL JUST NORTH OF THE RAIN-SNOW LINE...SO EVEN A SMALL
SHIFT IN STORM TRACK COULD RADICALLY ALTER SNOWFALL ACCUMULATIONS.

PEOPLE PLANNING TO BE IN OR NEAR THE WATCH AREA SUNDAY AFTERNOON AND
NIGHT SHOULD CONTINUE TO MONITOR FUTURE FORECASTS CLOSELY AND MAKE ANY
NECESSARY PREPARATIONS.

PYTLAK/JEB
Special weather statement, Apr 8, 9:42 PM CDT, 42 minutes before
IAZ002>011-013>027-031>35-SDZ071-NEZ013>015-090800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
935 PM CDT SAT APR 8 1995

THE WINTER STORM WATCH FOR NORTHERN IOWA HAS BEEN EXPANDED AND
EXTENDED. THE WATCH IS IN EFFECT FOR SUNDAY AFTERNOON AND SUNDAY
NIGHT ALONG AND NORTH OF A LINE FROM WAUKON TO FORT DODGE TO SIOUX
CITY. CITIES INCLUDED IN THE WATCH ARE SIOUX CITY...SPENCER...
ESTHERVILLE...STORM LAKE...MASON CITY...AND DECORAH.

A MAJOR WINTER STORM WILL OCCUR ACROSS THE UPPER MIDWEST LATE SUNDAY
AFTERNOON AND SUNDAY NIGHT. AN INITIAL SHOT OF RAIN TONIGHT MAY MIX
WITH SNOW LATE TONIGHT ALONG THE MINNESOTA BORDER.  A SECOND ROUND OF
HEAVIER PRECIPITATION...MAINLY IN THE FORM OF SNOW...WILL MOVE IN LATE
SUNDAY.

TOTAL STORM ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE IN THE WATCH
AREA BY LATE SUNDAY NIGHT. ADDITIONALLY...STRONG NORTHEAST WINDS MAY
CAUSE CONSIDERABLE BLOWING AND DRIFTING OF THE SNOW SUNDAY NIGHT. THE
HEAVY SNOW WILL FALL JUST NORTH OF THE RAIN-SNOW LINE...SO EVEN A SMALL
SHIFT IN STORM TRACK COULD RADICALLY ALTER SNOWFALL ACCUMULATIONS.

PEOPLE PLANNING TO BE IN OR NEAR THE WATCH AREA SUNDAY AFTERNOON AND
NIGHT SHOULD CONTINUE TO MONITOR FUTURE FORECASTS CLOSELY AND MAKE ANY
NECESSARY PREPARATIONS.

PYTLAK/JEB
Special weather statement, Apr 8, 10:21 PM CDT, 3 minutes before
IAZ071-090320-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1021 PM CDT SAT APR 8 1995

...A SEVERE THUNDERSTORM WARNING FOR ADAIR COUNTY HAS EXPIRED...

THUNDERSTORMS CAPABABLE OF PRODUCING MARBLE SIZED HAIL AND
FREQUENT DEADLY LIGHTNING WERE STILL OCCURING ACROSS ADAIR COUNTY
NEAR GREENFIELD ALTHOUGH THE STORMS WERE NO LONGER SEVERE.

THOSE IN THE PATH OF THESE THUNDERSTORMS SHOULD STILL TAKE COVER.

 BELLES
Special weather statement, Apr 8, 10:22 PM CDT, 2 minutes before
IAZ071-090320-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1021 PM CDT SAT APR 8 1995

...A SEVERE THUNDERSTORM WARNING FOR ADAIR COUNTY HAS EXPIRED...

THUNDERSTORMS CAPABABLE OF PRODUCING MARBLE SIZED HAIL AND
FREQUENT DEADLY LIGHTNING WERE STILL OCCURING ACROSS ADAIR COUNTY
NEAR GREENFIELD ALTHOUGH THE STORMS WERE NO LONGER SEVERE.

THOSE IN THE PATH OF THESE THUNDERSTORMS SHOULD STILL TAKE COVER.

 BELLES

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 8:56 PM CDTSevere Thunderstorm WarningDMXAdair, Cass, Guthrie29 min
Apr 8, 9:28 PM CDTSevere Thunderstorm WarningDMXGuthrie32 min
Apr 8, 9:40 PM CDTSevere Thunderstorm WarningDMXAdair35 min
Apr 8, 10:52 PM CDTSevere Thunderstorm WarningDMXJasper23 min
Apr 9, 12:41 AM CDTSevere Thunderstorm WarningDMXRinggold34 min
Apr 9, 12:51 AM CDTSevere Thunderstorm WarningDMXTaylor34 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.