Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 50, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 13, 1993, 3:51 PM CDT for Cass County, Iowa. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1993, 3:51 PM CDT (20:51 UTC)
- Expired
- Jun 13, 1993, 4:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Cass County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.9 hours before the alert went out and 120 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
- 1167 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -246 m²/s²
- 0-3 km storm-relative helicity
- -120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 13, 11:00 AM CDT, 4 hours 51 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-091700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 1100 AM CDT SUN JUN 13 1993 ...THE FLASH FLOOD WATCH FOR NORTHEAST IOWA HAS BEEN CANCELLED... SCATTERED SHOWERS AND THUNDERSTORMS WHICH BROUGHT BRIEF HEAVY RAINS TO PORTIONS OF NORTHEAST IOWA EARLIER THIS MORNING HAVE EXITED THE STATE. THE THREAT OF HEAVY RAIN IS NOT LIKELY AGAIN UNTIL LATER THIS AFTERNOON. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED. LATER THIS AFTERNOON...THUNDERSTORMS WILL REDEVELOP ACROSS NORTHEAST IOWA. HEAVY RAINS ARE EXPECTED ALONG WITH THE POSSIBILITY OF SEVERE WEATHER. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY TUNED TO YOUR TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WATCHES OR WARNINGS. LINDENBERG
Special weather statement, Jun 13, 11:13 AM CDT, 4 hours 38 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-091700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 1100 AM CDT SUN JUN 13 1993 ...THE FLASH FLOOD WATCH FOR NORTHEAST IOWA HAS BEEN CANCELLED... SCATTERED SHOWERS AND THUNDERSTORMS WHICH BROUGHT BRIEF HEAVY RAINS TO PORTIONS OF NORTHEAST IOWA EARLIER THIS MORNING HAVE EXITED THE STATE. THE THREAT OF HEAVY RAIN IS NOT LIKELY AGAIN UNTIL LATER THIS AFTERNOON. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED. LATER THIS AFTERNOON...THUNDERSTORMS WILL REDEVELOP ACROSS NORTHEAST IOWA. HEAVY RAINS ARE EXPECTED ALONG WITH THE POSSIBILITY OF SEVERE WEATHER. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY TUNED TO YOUR TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WATCHES OR WARNINGS. LINDENBERG
Special weather statement, Jun 13, 3:40 PM CDT, 11 minutes before
IAZALL-132140- SPEICAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 3 40 PM CDT SUN JUN 13 1993 AT 3 30 PM CDT...INTENSE THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED IN WEST CENTRAL AND SOUTHWEST IOWA...AND SHOWERS WERE SCATTERED THROUGH THE SOUTHWEST HALF OF IOWA...MOSTLY SOUTHWEST OF A LINE FROM MASON CITY TO BURLINGTON. THE HEAVIEST THUNDERSTORMS WERE LOCATED IN SOUTHWEST IOWA NEAR RED OAK...ABOUT 25 MILES SOUTHEAST OF OMAHA...AND IN WEST CENTRAL IOWA NEAR COON RAPIDS...ABOUT 50 MILES NORTHWEST OF DES MOINES. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. SCOTT
Special weather statement, Jun 13, 3:40 PM CDT, 11 minutes before
IAZALL-132140- SPEICAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 3 40 PM CDT SUN JUN 13 1993 AT 3 30 PM CDT...INTENSE THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED IN WEST CENTRAL AND SOUTHWEST IOWA...AND SHOWERS WERE SCATTERED THROUGH THE SOUTHWEST HALF OF IOWA...MOSTLY SOUTHWEST OF A LINE FROM MASON CITY TO BURLINGTON. THE HEAVIEST THUNDERSTORMS WERE LOCATED IN SOUTHWEST IOWA NEAR RED OAK...ABOUT 25 MILES SOUTHEAST OF OMAHA...AND IN WEST CENTRAL IOWA NEAR COON RAPIDS...ABOUT 50 MILES NORTHWEST OF DES MOINES. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. SCOTT
Special weather statement, Jun 13, 3:42 PM CDT, 9 minutes before
IAZALL-132140- SPEICAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 3 40 PM CDT SUN JUN 13 1993 A TORNADO WATCH IS IN EFFECT SOR SOUTH CENTRAL AND SOUTHWEST IOWA UNTIL 10 PM CDT. AT 3 30 PM CDT...INTENSE THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED IN WEST CENTRAL AND SOUTHWEST IOWA...AND SHOWERS WERE SCATTERED THROUGH THE SOUTHWEST HALF OF IOWA...MOSTLY SOUTHWEST OF A LINE FROM MASON CITY TO BURLINGTON. THE HEAVIEST THUNDERSTORMS WERE LOCATED IN SOUTHWEST IOWA NEAR RED OAK...ABOUT 25 MILES SOUTHEAST OF OMAHA...AND IN WEST CENTRAL IOWA NEAR COON RAPIDS...ABOUT 50 MILES NORTHWEST OF DES MOINES. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. SCOTT
Special weather statement, Jun 13, 3:42 PM CDT, 9 minutes before
IAZALL-132140- SPEICAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 3 40 PM CDT SUN JUN 13 1993 A TORNADO WATCH IS IN EFFECT SOR SOUTH CENTRAL AND SOUTHWEST IOWA UNTIL 10 PM CDT. AT 3 30 PM CDT...INTENSE THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED IN WEST CENTRAL AND SOUTHWEST IOWA...AND SHOWERS WERE SCATTERED THROUGH THE SOUTHWEST HALF OF IOWA...MOSTLY SOUTHWEST OF A LINE FROM MASON CITY TO BURLINGTON. THE HEAVIEST THUNDERSTORMS WERE LOCATED IN SOUTHWEST IOWA NEAR RED OAK...ABOUT 25 MILES SOUTHEAST OF OMAHA...AND IN WEST CENTRAL IOWA NEAR COON RAPIDS...ABOUT 50 MILES NORTHWEST OF DES MOINES. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. SCOTT
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:24 PM CDT | Flash Flood Warning | DMX | Hamilton, Webster | 81 min |
| Jun 13, 4:03 PM CDT | Tornado Warning | DMX | Cass | 27 min |
| Jun 13, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 45 min |
| Jun 13, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 49 min |
| Jun 13, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 32 min |
| Jun 13, 5:40 PM CDT | Flash Flood Warning | DMX | Adams | 2 hr |
| Jun 13, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 27 min |
| Jun 13, 6:25 PM CDT | Tornado Warning | DMX | Warren | 35 min |
| Jun 13, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Floyd, Mitchell | 41 min |
| Jun 13, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 53 min |
| Jun 13, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 37 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.