Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 62, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 16, 1993, 6:02 AM CDT for Pocahontas County, Iowa. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1993, 6:02 AM CDT (11:02 UTC)
- Expired
- Jun 16, 1993, 6:25 PM CDT
- In force
- 12 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Pocahontas County, IA
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 11.0 hours before the alert went out and 384 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
- 1375 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 361 m²/s²
- 0-3 km storm-relative helicity
- 661 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.1
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, Jun 16, 4:45 AM CDT, 1 hour 17 minutes before
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</html>Special weather statement, Jun 16, 4:46 AM CDT, 1 hour 16 minutes before
IAZALL-161035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 445 AM CDT WED JUN 16 1993 AT 425 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE LOCATED IN NORTHWEST IOWA...10 MILES EAST OF EMMETSBURG...5 MILES WEST OF ESTHERVILLE AND 10 MILES EAST OF SIBLEY. THESE STORMS WERE PART OF A LARGER AREA OF SCATTERED THUNDERSTORMS WHICH CONTINUED ACROSS NORTHERN AND WESTERN IOWA. THIS THUNDERSTORM AREA WAS LOCATED NORTHWEST OF A LINE EXTENDING FROM THE MINNESOTA BORDER 60 MILES NORTH OF WATERLOO...TO CHARLES CITY...TO ALGONA...25 MILES SOUTHEAST OF COUNCIL BLUFFS. MOVEMENT WAS EAST-NORTHEAST AT 35 MILES AN HOUR. THE STORMS ACROSS NORTH CENTRAL AND NORTHWEST IOWA WERE PRODUCING VERY FREQUENT CLOUD TO GROUND LIGHTNING. RESIDENTS SHOULD TAKE LIGHTNING SAFETY PRECUATIONS...STAY INSIDE YOUR HOME OR INSIDE THE ENCLOSED CAB OF YOUR VEHICHLE. STAY AWAY FROM METAL OBJECTS WHICH COULD CONDUCT ELzECTRICITY AND DO NOT TALK ON THE TELEPHONE. R A PRENTICE
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 45 min |
| Jun 16, 5:39 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 36 min |
| Jun 16, 6:35 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster | 35 min |
| Jun 16, 7:18 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 27 min |
| Jun 16, 7:22 AM CDT | Tornado Warning | DMX | Webster | 23 min |
| Jun 16, 7:34 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 26 min |
| Jun 16, 7:35 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 35 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1993Every severe thunderstorm warning in 1993
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.