Alert archive / Iowa / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 54, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at May 24, 1996, 11:08 AM CDT for Mahaska County, Marion County, Iowa. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 24, 1996, 11:08 AM CDT (16:08 UTC)
- Expired
- May 24, 1996, 11:55 AM CDT
- In force
- 47 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Mahaska County, IA, Marion County, IA
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 4.1 hours before the alert went out and 200 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
- 710 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 352 m²/s²
- 0-3 km storm-relative helicity
- 374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 24, 9:03 AM CDT, 2 hours 5 minutes before
IAZ074-075-241440- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 903 AM CDT FRI MAY 24 1996 THE SEVERE THUNDERSTORM WARNING FOR NORTHEAST MARION AND NORTHERN MAHASKA COUNTIES HAS BEEN CANCELLED. THE STORM HAS WEAKEN. NUMEROUS REPORTS WERE RECEIVED FROM NORTHEAST MARION COUNTY. THREE MILES SOUTHWEST OF PELLA 3/4 TO 1 INCH HAIL...5 MILES NORTH OF KNOXVILLE GOLFBALL SIZED HAIL...KNIA RADIO IN PELLA REPORTED ONE INCH HAIL...AND 3.5 MILES NORTHEAST OF KNOXVILLE REPORTED ONE INCH HAIL. FORSTER
Special weather statement, May 24, 9:26 AM CDT, 1 hour 42 minutes before
IAZALL-241400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 925 AM CDT FRI MAY 24 1996 STRONG WINDS WERE BEING REPORTED IN PARTS OF NORTHWEST AND NORTH CENTRAL IOWA. IT APPEARS THAT STRONG WINDS ALOFT ARE BEING TRANSPORTED DOWN TO THE SURFACE. REPORTS OF 55 TO 60 MPH WINDS WERE REPORTED IN POCAHONTAS...CLAY AND PALO ALTO COUNTIES. PEOPLE IN SOUTHERN KOSSUTH...HUMBOLDT...NORTHEN WEBSTER CAN EXPECT THESE STRONG SURFACE WINDS BETWEEN 930 AND 1030 AM CDT. FORSTER
Special weather statement, May 24, 10:23 AM CDT, 45 minutes before
IAZ074-241600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1024 AM CDT FRI MAY 24 1996 THE SEVERE THUNDERSTORM WARNING FOR SOUTHEAST MARION COUNTY HAS EXPIRED. THE STORM HAS MOVED INTO MAHASKA WHERE NUMEROUS REPORTS OF LARGE HAIL UP TO TENNIS BALL SIZE. HOWEVER THE STORM WAS OUT OF MARION COUNTY. FORSTER
Special weather statement, May 24, 11:00 AM CDT, 8 minutes before
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</html>The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 8:31 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 34 min |
| May 24, 9:17 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 48 min |
| May 24, 9:45 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 35 min |
| May 24, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 31 min |
| May 24, 10:28 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 32 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1996Every severe thunderstorm warning in 1996
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.