Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 12, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Apr 7, 1995, 5:20 PM CDT for Crawford County, Iowa. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Apr 7, 1995, 5:20 PM CDT (22:20 UTC)
- Expired
- Apr 7, 1995, 5:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Crawford County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.3 hours before the alert went out and 114 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 072221 RRA
SVRDSM
IAC047-072250-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
520 PM CDT FRI APR 7 1995
* SEVERE THUNDERSTORM WARNING FOR
SOUTHWESTERN CRAWFORD COUNTY - WEST CENTRAL IOWA
* UNTIL 550 PM CDT
* SOME TOWNS AFFECTED
DOW CITY
DUNLAP
ARION
* AT 518 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR SOLDIER
ABOUT 45 MILES NORTH OF COUNCIL BLUFFS MOVING EAST AT 25 MPH.
* THE STORM WILL BE DUNLAP AND DOW CITY BY 535 PM.
THESE STORM HAVE A HISTORY OF PRODUCING LARGE HAIL. TAKE IT
SERIOUSLY AND HEAD INDOORS IMMEDIATELY.
PYTLAKWhat 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 7, 12:01 PM CDT, 5 hours 19 minutes before
IAZALL-080000- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 1201 PM CDT FRI APR 7 1995 HAZARD...SCATTERED SEVERE THUNDERSTORMS PRODUCING LARGE HAIL. GUSTY WINDS AND RAINFALL UP TO AN INCH IN AN HOUR IS ALSO POSSIBLE. AREA OF CONCERN...THE SOUTHERN TWO-THIRDS OF IOWA...MAINLY SOUTH OF A LINE FROM DUBUQUE...TO FORT DODGE TO ONAWA. SOME COMMUNITIES IN THIS AREA INCLUDE...DES MOINES...AMES...BOONE...WATERLOO...CRESTON... LAMONI... OTTUMWA...BURLINGTON AND IOWA CITY. TIMING DETAILS...SCATTERED THUNDERSTORMS...SOME APPROACHING SEVERE LEVELS...HAVE DEVELOPED OVER EAST CENTRAL NEBRASKA LATE THIS MORNING. THESE STORMS WILL DEVELOP EAST INTO SOUTHWEST IOWA BY 200 PM...SOUTH CENTRAL IOWA BY 400 PM...AND SOUTHEAST IOWA BY 600 PM. ALSO... A ISOLATED THUNDERSTORM PRODUCING SMALL HAIL HAS DEVELOPED OVER CENTRAL IOWA NORTH OF DES MOINES. OTHER STORMS COULD DEVELOP BETWEEN ROUTES 20 AND 30 AND APPROACH SEVERE LEVELS. METEOROLOGICAL COMMENTS...THE ATMOSPHERE CONTINUES TO DESTABILIZE... ESPECIALLY OVER THE SOUTHERN QUARTER OF IOWA. THE SUN HAS BROKEN OUT OVER THE SOUTHERN TWO-TIERS OF COUNTIES AND SATELLITE INDICATED THE CLEARING MAY WORK FURTHER NORTH DURING THE NEXT COUPLE OF HOURS. VERY COLD TEMPERATURES ALOFT AND DOPPLER RADAR TRENDS INDICATED THE MAIN THREAT REMAINS LARGE HAIL. PRECAUTIONS...EMERGENCY MANAGERS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF A WATCH ISSUANCE LATER THIS AFTERNOON. SPOTTER ACTIVATION MAY BE REQUIRED LATER AFTERNOON. THE NEXT POTENTIAL STATEMENT WILL BE ISSUED AROUND 100 PM UNLESS A WATCH IS ISSUED BY THEN. KUBINA/PYTLAK
Special weather statement, Apr 7, 12:02 PM CDT, 5 hours 18 minutes before
IAZALL-080000- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 1201 PM CDT FRI APR 7 1995 HAZARD...SCATTERED SEVERE THUNDERSTORMS PRODUCING LARGE HAIL. GUSTY WINDS AND RAINFALL UP TO AN INCH IN AN HOUR IS ALSO POSSIBLE. AREA OF CONCERN...THE SOUTHERN TWO-THIRDS OF IOWA...MAINLY SOUTH OF A LINE FROM DUBUQUE...TO FORT DODGE TO ONAWA. SOME COMMUNITIES IN THIS AREA INCLUDE...DES MOINES...AMES...BOONE...WATERLOO...CRESTON... LAMONI... OTTUMWA...BURLINGTON AND IOWA CITY. TIMING DETAILS...SCATTERED THUNDERSTORMS...SOME APPROACHING SEVERE LEVELS...HAVE DEVELOPED OVER EAST CENTRAL NEBRASKA LATE THIS MORNING. THESE STORMS WILL DEVELOP EAST INTO SOUTHWEST IOWA BY 200 PM...SOUTH CENTRAL IOWA BY 400 PM...AND SOUTHEAST IOWA BY 600 PM. ALSO... A ISOLATED THUNDERSTORM PRODUCING SMALL HAIL HAS DEVELOPED OVER CENTRAL IOWA NORTH OF DES MOINES. OTHER STORMS COULD DEVELOP BETWEEN ROUTES 20 AND 30 AND APPROACH SEVERE LEVELS. METEOROLOGICAL COMMENTS...THE ATMOSPHERE CONTINUES TO DESTABILIZE... ESPECIALLY OVER THE SOUTHERN QUARTER OF IOWA. THE SUN HAS BROKEN OUT OVER THE SOUTHERN TWO-TIERS OF COUNTIES AND SATELLITE INDICATED THE CLEARING MAY WORK FURTHER NORTH DURING THE NEXT COUPLE OF HOURS. VERY COLD TEMPERATURES ALOFT AND DOPPLER RADAR TRENDS INDICATED THE MAIN THREAT REMAINS LARGE HAIL. PRECAUTIONS...EMERGENCY MANAGERS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF A WATCH ISSUANCE LATER THIS AFTERNOON. SPOTTER ACjTIVATION MAY BE REQUIRED LATER AFTERNOON. THE NEXT POTENTIAL STATEMENT WILL BE ISSUED AROUND 100 PM UNLESS A WATCH IS ISSUED BY THEN. KUBINA/PYTLAK
Special weather statement, Apr 7, 4:52 PM CDT, 28 minutes before
IAZ070-072225- SEVERE WEATHER OUTLOOK FOR IOWA NATIONAL WEATHER SERVICE DES MOINES IA 452 PM CDT FRI APR 7 1995 THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CASS COUNTY HAS BEEN CANCELLED. THE SEVERE STORMS WHICH MOVED INTO THE COUNTY BETWEEN 425 AND 440 PM HAVE WEAKENED AND NO LONGER POSE A THREAT OF SEVERE WEATHER. BRIEF HEAVY RAIN AND PEA SIZED HAIL WILL REMAIN POSSIBLE UNTIL THE STORM DEPARTS BY 515 PM CDT. PYTLAK
Special weather statement, Apr 7, 4:53 PM CDT, 27 minutes before
IAZ070-072225- SEVERE WEATHER OUTLOOK FOR IOWA NATIONAL WEATHER SERVICE DES MOINES IA 452 PM CDT FRI APR 7 1995 THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CASS COUNTY HAS BEEN CANCELLED. THE SEVERE STORMS WHICH MOVED INTO THE COUNTY BETWEEN 425 AND 440 PM HAVE WEAKENED AND NO LONGER POSE A THREAT OF SEVERE WEATHER. BRIEF HEAVY RAIN AND PEA SIZED HAIL WILL REMAIN POSSIBLE UNTIL THE STORM DEPARTS BY 515 PM CDT. PYTLAK
Special weather statement, Apr 7, 5:00 PM CDT, 20 minutes before
IAZALL-080000- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 5 PM CDT FRI APR 7 1995 HAZARD...ISOLATED SEVERE THUNDERSTORMS PRODUCING HAIL. MOST HAIL AROUND PEA SIZE WITH OCCASIONAL HAIL TO AROUND 1 1/2 INCHES. AREA OF CONCERN...MAINLY SOUTH OF INTERSTATE 80 AND WEST OF STATE ROUTE 14 THROUGH 7 PM. TIMING DETAILS...BETWEEN 5 AND 7 PM THUNDERSTORMS WILL BE MOST NUMEROUS AROUND THE COMMUNITIES OF CRESTON...WINTERSET...INDIANOLA AND LAMONI. BETWEEN 7 AND 9 PM THUNDERSTORMS COULD PUSH MORE INTO SOUTH CENTRAL AND SOUTHEAST IOWA NEAR OTTUMWA...FAIRFIELD...AND NEAR DES MOINES. METEOROLOGICAL COMMENTS...SEVERE THUNDERSTORMS ARE FORMING ALONG A WARM FRONT THAT EXTENDS ACROSS SOUTHERN IOWA. THUNDERSTORMS WILL REMAIN CONFINED CLOSE TO THIS FRONT THROUGH THE EVENING HOURS. DEW POINTS ARE NEARING THE LOW 50S OVER THE FAR SOUTHERN PART OF IOWA. THE MAIN THREAT FOR THESE STORMS IS LARGE HAIL AND LIGHTNING. PRECAUTIONS...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT OVER THE AREA OF CONCERN UNTIL 7 PM. EMERGENCY MANAGERS SHOULD BE PREPARED FOR SPOTTER ACTIVATION. BELLES/FELDT
Special weather statement, Apr 7, 5:11 PM CDT, 9 minutes before
IAZALL-080000- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 5 PM CDT FRI APR 7 1995 HAZARD...ISOLATED SEVERE THUNDERSTORMS PRODUCING HAIL. MOST HAIL AROUND PEA SIZE WITH OCCASIONAL HAIL TO AROUND 1 1/2 INCHES. AREA OF CONCERN...MAINLY SOUTH OF INTERSTATE 80 AND WEST OF STATE ROUTE 14 THROUGH 7 PM. TIMING DETAILS...BETWEEN 5 AND 7 PM THUNDERSTORMS WILL BE MOST NUMEROUS AROUND THE COMMUNITIES OF CRESTON...WINTERSET...INDIANOLA AND LAMONI. BETWEEN 7 AND 9 PM THUNDERSTORMS COULD PUSH MORE INTO SOUTH CENTRAL AND SOUTHEAST IOWA NEAR OTTUMWA...FAIRFIELD...AND NEAR DES MOINES. METEOROLOGICAL COMMENTS...SEVERE THUNDERSTORMS ARE FORMING ALONG A WARM FRONT THAT EXTENDS ACROSS SOUTHERN IOWA. THUNDERSTORMS WILL REMAIN CONFINED CLOSE TO THIS FRONT THROUGH THE EVENING HOURS. DEW POINTS ARE NEARING THE LOW 50S OVER THE FAR SOUTHERN PART OF IOWA. THE MAIN THREAT FOR THESE STORMS IS LARGE HAIL AND LIGHTNING. PRECAUTIONS...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT OVER THE AREA OF CONCERN UNTIL 7 PM. EMERGENCY MANAGERS SHOULD BE PREPARED FOR SPOTTER ACTIVATION. BELLES/FELDT
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 14 min |
| Apr 7, 5:05 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 15 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.