Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 22, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Apr 10, 1995, 12:21 PM CDT for Wayne County, Iowa. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Apr 10, 1995, 12:21 PM CDT (17:21 UTC)
- Expired
- Apr 10, 1995, 12:50 PM CDT
- In force
- 29 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Wayne County, IA
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 5.4 hours before the alert went out and 256 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
- 570 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 101722 RRA
SVRDSM
IAC185-101750-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1221 PM CDT MON APR 10 1995
* SEVERE THUNDERSTORM WARNING FOR
SOUTHEASTERN WAYNE COUNTY - SOUTH CENTRAL IOWA
* UNTIL 1250 PM CDT
* SOME TOWNS AFFECTED
PROMISE CITY
SEYMBUR
SEWAL
* AT 1215 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH
OF CORYDON...OR 55 MILES SOUTHWEST OF OTTUMWA MOVING NORTHEAST AT 40
MPH.
* THE STORM WILL BE NEAR SEWAL BY 1225 PM AND INTO SEYMBUR BY 1240 PM
CDT.
THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS.
SMITHWhat 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 10, 10:42 AM CDT, 1 hour 39 minutes before
IAZ094-101615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1042 AM CDT MON APR 10 1995 ...SEVERE THUNDERSTORM WARNING FOR DECATUR COUNTY EXPIRED AT 1040 AM... AT 1040 AM...A THUNDERSTORM WAS 10 MILES SOUTHWEST OF LEON OR 70 MILES SOUTH OF DES MOINES. THE STORM HAD DECREASED IN INTENSITY SINCE 1020 AM AND THE SEVERE THUNDERSTORM WARNING WILL NOT BE EXTENDED. THIS STORM WILL BE CLOSELY WATCHED. YOU CAN STILL EXPECT HEAVY RAIN AND SMALL HAIL WITH THIS STORM. JOHNSON
Special weather statement, Apr 10, 10:43 AM CDT, 1 hour 38 minutes before
IAZ094-101615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1042 AM CDT MON APR 10 1995 ...SEVERE THUNDERSTORM WARNING FOR DECATUR COUNTY EXPIRED AT 1040 AM... AT 1040 AM...A THUNDERSTORM WAS 10 MILES SOUTHWEST OF LEON OR 70 MILES SOUTH OF DES MOINES. THE STORM HAD DECREASED IN INTENSITY SINCE 1020 AM AND THE SEVERE THUNDERSTORM WARNING WILL NOT BE EXTENDED. THIS STORM WILL BE CLOSELY WATCHED. YOU CAN STILL EXPECT HEAVY R AIN AND SMALL HAIL WITH THIS STORM. JOHNSON
Special weather statement, Apr 10, 11:00 AM CDT, 1 hour 21 minutes before
IAZ094-101635- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1100 AM CDT MON APR 10 1995 ...SEVERE THUNDERSTORM WARNING REMAIN IN EFFECT FOR EASTERN DECATUR COUNTY UNTIL 1115 AM... AT 1055 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTH OF LEON MOVING NORTHEAST AT 40 MPH. THE STORM HAD SHOWN A DECREASE IN INTENSITY BUT IT WILL STILL CONTAIN HAIL UP TO 1 INCH IN DIAMETER. THE STORM WILL MOVE THROUGH LE ROY AND GARDEN CITY BY 1115 PM. JOHNSON
Special weather statement, Apr 10, 11:01 AM CDT, 1 hour 20 minutes before
IAZ094-101635- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1100 AM CDT MON APR 10 1995 ...SEVERE THUNDERSTORM WARNING REMAIN IN EFFECT FOR EASTERN DECATUR COUNTY UNTIL 1115 AM... AT 1055 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTH OF LEON MOVING NORTHEAST AT 40 MPH. THE STORM HAD SHOWN A DECREASE IN INTENSITY BUT IT WILL STILL CONTAIN HAIL UP TO 1 INCH IN DIAMETER. THE STORM WILL MOVE THROUGH LE ROY AND GARDEN CITY BY 1115 PM. JOHNSON
Special weather statement, Apr 10, 11:58 AM CDT, 23 minutes before
IAZALL-SDZ071-NEZ013>015-102000- IOWA SEVERE WEATHER OUTLOOK AND STORM SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1158 AM CDT MON APR 10 1995 HAZARDS AND AREAS OF CONCERN... WINTER WEATHER...WINTER WEATHER ADVISORY FOR ALL BUT FAR SOUTHEAST IOWA UNTIL 100 PM FOR A MIX OF FREEZING RAIN AND SLEET. WINTER WEATHER ADVISORY THIS AFTERNOON AND WINTER STORM WATCH TONIGHT AND TUESDAY NORTHWEST OF A LINE FROM ALGONA TO SAC CITY TO SIOUX CITY FOR FREEZING RAIN AND SLEET...CHANGING TO HEAVY SNOW. FLOODING...FLASH FLOOD WATCH FOR 1 TO 3 INCHES OF RAIN TODAY AND TONIGHT SOUTHEAST OF A LINE FROM WEST UNION...TO PERRY...TO LAMONI. ONE QUARTER TO THREE QUARTERS OF AN INCH OF RAIN HAS BEEN COMMON IN THE WATCH AREA SINCE 400 AM. SEVERE WEATHER...SEVERE THUNDERSTORM WATCH SOUTH OF A LINE FROM GLENWOOD TO OSCEOLA UNTIL 300 PM CDT. SEVERE THUNDERSTORM WATCH SOUTH OF A LINE FROM MUSCATINE TO KNOXVILLE TO OSCEOLA UNTIL 600 PM. THE MAIN THREAT IS FOR HAIL UP TO GOLFBALL SIZE. THIS THREAT WILL MOVE FURTHER NORTH INTO IOWA LATE THIS AFTERNOON AND TONIGHT...MAINLY SOUTH OF A LINE FROM ONAWA...TO WEBSTER CITY...TO DUBUQUE. TIMING DETAILS... THE FIRST THUNDERSTORM COMPLEX HAS WEAKENED AND MOVED INTO NORTHEAST IOWA...PRODUCING SLEET...RAIN...AND FREEZING RAIN. IT WILL EXIT NORTHEAST IOWA BY EARLY AFTERNOON. ANOTHER THUNDERSTORM COMPLEX... WITH ISOLATED SEVERE THUNDERSTORMS...WAS MOVING OUT OF NORTHWEST MISSOURI AND NORTHEAST KANSAS INTO SOUTHERN IOWA. AS THESE STORMS MOVED INTO THE COLDER AIR OVER CENTRAL IOWA...THEY HAVE SO FAR WEAKENED BELOW SEVERE LEVELS. HOWEVER...HEAVY RAIN IS LIKELY AS THIS COMPLEX MOVES INTO CENTRAL IOWA BY EARLY AFTERNOON. THIS PRECIPITATION WILL ALSO SPREAD INTO NORTHWEST IOWA BY EARLY AFTERNOON...MOST LIKELY IN THE FORM OF HEAVY SLEET AND FREEZING RAIN. METEOROLOGICAL COMMENTS... THE LOW PRESSURE CENTER HAS DEEPENED TO 29.51 INCHES OVER EXTREME NORTHERN TEXAS. PIECES OF ENERGY WERE RIPPLING NORTHEAST FROM THE LOW TOWARD IOWA...WITH EACH RIPPLE HELPING TO FORM THUNDERSTORM CLUSTERS. SEVERAL OF THESE WILL PASS THROUGH IOWA THIS AFTERNOON AND TONIGHT. WITH THE PASSAGE OF EACH WAVE OF HEAVY RAIN...THE FLASH FLOOD THREAT WILL INCREASE. LOW LEVEL GULF INFLOW HAS ALSO INCREASED TO 55 KNOTS SINCE MID MORNING. PRECAUTIONS... SPOTTERS SHOULD BE ACTIVATED ACROSS FAR SOUTHERN IOWA. SPOTTERS SHOULD BE READY FOR ACTIVATION LATER THIS AFTERNOON ACROSS CENTRAL IOWA. PEOPLE IN FLOOD PRONE AREAS SHOULD MONITOR WATER LEVELS. THE NEXT STORM SUMMARY WILL BE ISSUED AT 200 PM. PYTLAK
Special weather statement, Apr 10, 11:59 AM CDT, 22 minutes before
IAZALL-SDZ071-NEZ013>015-102000- IOWA SEVERE WEATHER OUTLOOK AND STORM SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1158 AM CDT MON APR 10 1995 HAZARDS AND AREAS OF CONCERN... WINTER WEATHER...WINTER WEATHER ADVISORY FOR ALL BUT FAR SOUTHEAST IOWA UNTIL 100 PM FOR A MIX OF FREEZING RAIN AND SLEET. WINTER WEATHER ADVISORY THIS AFTERNOON AND WINTER STORM WATCH TONIGHT AND TUESDAY NORTHWEST OF A LINE FROM ALGONA TO SAC CITY TO SIOUX CITY FOR FREEZING RAIN AND SLEET...CHANGING TO HEAVY SNOW. FLOODING...FLASH FLOOD WATCH FOR 1 TO 3 INCHES OF RAIN TODAY AND TONIGHT SOUTHEAST OF A LINE FROM WEST UNION...TO PERRY...TO LAMONI. ONE QUARTER TO THREE QUARTERS OF AN INCH OF RAIN HAS BEEN COMMON IN THE WATCH AREA SINCE 400 AM. SEVERE WEATHER...SEVERE THUNDERSTORM WATCH SOUTH OF A LINE FROM GLENWOOD TO OSCEOLA UNTIL 300 PM CDT. SEVERE THUNDERSTORM WATCH SOUTH OF A LINE FROM MUSCATINE TO KNOXVILLE TO OSCEOLA UNTIL 600 PM. THE MAIN THREAT IS FOR HAIL UP TO GOLFBALL SIZE. THIS THREAT WILL MOVE FURTHER NORTH INTO IOWA LATE THIS AFTERNOON AND TONIGHT...MAINLY SOUTH OF A LINE FROM ONAWA...TO WEBSTER CITY...TO DUBUQUE. TIMING DETAILS... THE FIRST THUNDERSTORM COMPLEX HAS WEAKENED AND MOVED INTO NORTHEAST IOWA...PRODUCING SLEET...RAIN...AND FREEZING RAIN. IT WILL EXIT NORTHEAST IOWA BY EARLY AFTERNOON. ANOTHER THUNDERSTORM COMPLEX... WITH ISOLATED SEVERE THUNDERSTORMS...WAS MOVING OUT OF NORTHWEST MISSOURI AND NORTHEAST KANSAS INTO SOUTHERN IOWA. AS THESE STORMS MOVED INTO THE COLDER AIR OVER CENTRAL IOWA...THEY HAVE SO FAR WEAKENED BELOW SEVERE LEVELS. HOWEVER...HEAVY RAIN IS LIKELY AS THIS COMPLEX MOVES INTO CENTRAL IOWA BY EARLY AFTERNOON. THIS PRECIPITATION WILL ALSO SPREAD INTO NORTHWEST IOWA BY EARLY AFTERNOON...MOST LIKELY IN THE FORM OF HEAVY SLEET AND FREEZING RAIN. METEOROLOGICAL COMMENTS... THE LOW PRESSURE CENTER HAS DEEPENED TO 29.51 INCHES OVER EXTREME NORTHERN TEXAS. PIECES OF ENERGY WERE RIPPLING NORTHEAST FROM THE LOW TOWARD IOWA...WITH EACH RIPPLE HELPING TO FORM THUNDERSTORM CLUSTERS. SEVERAL OF THESE WILL PASS THROUGH IOWA THIS AFTERNOON AND TONIGHT. WITH THE PASSAGE OF EACH WAVE OF HEAVY RAIN...THE FLASH FLOOD THREAT WILL INCREASE. LOW LEVEL GULF INFLOW HAS ALSO INCREASED TO 55 KNOTS SINCE MID MORNING. PRECAUTIONS... SPOTTERS SHOULD BE ACTIVATED ACROSS FAR SOUTHERN IOWA. SPOTTERS SHOULD BE READY FOR ACTIVATION LATER THIS AFTERNOON ACROSS CENTRAL IOWA. PEOPLE IN FLOOD PRONE AREAS SHOULD MONITOR WATER LEVELS. THE NEXT STORM SUMMARY WILL BE ISSUED AT 200 PM. PYTLAK
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 46 min |
| Apr 10, 10:45 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 35 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.