Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 47, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 8, 1993, 1:16 PM CDT for Mitchell County, Iowa. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 1:16 PM CDT (18:16 UTC)
- Expired
- Jun 8, 1993, 1:58 PM CDT
- In force
- 42 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Mitchell County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 6.3 hours before the alert went out and 178 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
- NaN m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 500 m²/s²
- 0-3 km storm-relative helicity
- 604 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 8, 11:45 AM CDT, 1 hour 31 minutes before
IAZALL-081735- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1145 AM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA UNTIL 5 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTH CENTRAL AND EASTERN IOWA THIS AFTERNOON... AT 1135 AM CDT...AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED IN NORTHEAST IOWA ABOUT 15 MILES SOUTHWEST OF DECORAH...AND IN NORTH CENTRAL IOWA ABOUT 10 MILES NORTHEAST OF ALGONA. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. SCATTERED SHOWERS AND THUNDERSHOWERS WERE ALSO LOCATED IN CENTRAL AND NORTH CENTRAL IOWA. THESE SHOWERS AND THUNDERSTORMS WERE NORTHWEST OF A LINE FROM PELLA TO LACROSSE...AND NORTHEAST OF A LINE FROM PELLA TO ESTERVILLE. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. SCOTT
Special weather statement, Jun 8, 11:51 AM CDT, 1 hour 25 minutes before
IAZALL-081735- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1145 AM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA UNTIL 5 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTH CENTRAL AND EASTERN IOWA THIS AFTERNOON... AT 1135 AM CDT...AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED IN NORTHEAST IOWA ABOUT 15 MILES SOUTHWEST OF DECORAH...AND IN NORTH CENTRAL IOWA ABOUT 10 MILES NORTHEAST OF ALGONA. VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL MAY BE EXPECTED WITH THE PASSAGE OF THESE STORMS. SCATTERED SHOWERS AND THUNDERSHOWERS WERE ALSO LOCATED IN CENTRAL AND NORTH CENTRAL IOWA. THESE SHOWERS AND THUNDERSTORMS WERE NORTHWEST OF A LINE FROM PELLA TO LACROSSE...AND NORTHEAST OF A LINE FROM PELLA TO ESTERVILLE. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. SCOTT
Special weather statement, Jun 8, 12:38 PM CDT, 38 minutes before
IAZALL-081835- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1238 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA UNTIL 5 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTH CENTRAL AND EASTERN IOWA THIS AFTERNOON... AT 1229 PM CDT...ISOLATED VERY STRONG THUNDERSTORMS WERE LOCATED OVER NORTH CENTRAL AND NORTHEAST IOWA. THESE STORMS WERE NEAR CORWITH... MARBLE ROCK AND IN THE EXTREME NORTHEAST CORNER OF IOWA NEAR LANSING. CORWITH IS 25 MILES SOUTHWEST OF MASON CITY...MARBLE ROCK IS ABOUT 20 MILES SOUTHEAST OF MASON CITY...WHILE LANSING IS ABOUT 70 MILES NORTHEAST OF WATERLOO. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...DEADLY LIGHTNING AND HAIL ALONG WITH WIND GUSTS IN EXCESS OF 40 MILES AN HOUR. ISOLATED SHOWERS ACCOMPANIED THESE STORMS OVER THE NORTH CENTRAL AND NORTHEAST COUNTIES. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. BARLOW
Special weather statement, Jun 8, 12:43 PM CDT, 33 minutes before
IAZALL-081835- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1238 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA UNTIL 5 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTH CENTRAL AND EASTERN IOWA THIS AFTERNOON... AT 1229 PM CDT...ISOLATED VERY STRONG THUNDERSTORMS WERE LOCATED OVER NORTH CENTRAL AND NORTHEAST IOWA. THESE STORMS WERE NEAR CORWITH... MARBLE ROCK AND IN THE EXTREME NORTHEAST CORNER OF IOWA NEAR LANSING. CORWITH IS 25 MILES SOUTHWEST OF MASON CITY...MARBLE ROCK IS ABOUT 20 MILES SOUTHEAST OF MASON CITY...WHILE LANSING IS ABOUT 70 MILES NORTHEAST OF WATERLOO. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...DEADLY LIGHTNING AND HAIL ALONG WITH WIND GUSTS IN EXCESS OF 40 MILES AN HOUR. ISOLATED SHOWERS ACCOMPANIED THESE STORMS OVER THE NORTH CENTRAL AND NORTHEAST COUNTIES. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. BARLOW
Special weather statement, Jun 8, 12:44 PM CDT, 32 minutes before
IAZALL-082100- SPECIAL WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 1245 PM CDT TUE JUN 8 1993 ...A HIGH RISK FOR SEVERE WEATHER THIS AFTERNOON IN IOWA... EARLY THIS AFTERNOON RADAR INDICATED STRONG THUNDERSTORMS IN NORTHERN IOWA. EARLIER TODAY SEVERAL FUNNEL CLOUDS WERE REPORTED WITH THUNDERSTORMS AS THEY MOVED THROUGH NORTH CENTRAL IOWA. DURING THE NEXT HOUR OR TWO THE BEST POTENTIAL FOR TORNADIC THUDERSTORMS IS IN NORTH CENTRAL TO NORTHEAST IOWA...FROM FORT DODGE TO MASON CITY TO WATERLOO. THIS AREA REMAINS UNDER A TORNADO WATCH UNTIL 5 PM CDT. ELSEWHERE IN IOWA THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON...MAINLY AFTER 2 PM CDT. A TORDADO WATCH UNTIL 5 PM COVERS MOST OF THE EASTERN TWO-THIRDS OF IOWA. PLEASE STAY TUNED TO THE LATEST WEATHER UPDATES AND BE PREPARED TO ACT QUICKLY IN CASE A WARNING IS ISSUED. BELLES
Special weather statement, Jun 8, 12:45 PM CDT, 31 minutes before
IAZALL-082100- SPECIAL WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 1245 PM CDT TUE JUN 8 1993 ...A HIGH RISK FOR SEVERE WEATHER THIS AFTERNOON IN IOWA... EARLY THIS AFTERNOON RADAR INDICATED STRONG THUNDERSTORMS IN NORTHERN IOWA. EARLIER TODAY SEVERAL FUNNEL CLOUDS WERE REPORTED WITH THUNDERSTORMS AS THEY MOVED THROUGH NORTH CENTRAL IOWA. DURING THE NEXT HOUR OR TWO THE BEST POTENTIAL FOR TORNADIC THUDERSTORMS IS IN NORTH CENTRAL TO NORTHEAST IOWA...FROM FORT DODGE TO MASON CITY TO WATERLOO. THIS AREA REMAINS UNDER A TORNADO WATCH UNTIL 5 PM CDT. ELSEWHERE IN IOWA THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON...MAINLY AFTER 2 PM CDT. A TORDADO WATCH UNTIL 5 PM COVERS MOST OF THE EASTERN TWO-THIRDS OF IOWA. PLEASE STAY TUNED TO THE LATEST WEATHER UPDATES AND BE PREPARED TO ACT QUICKLY IN CASE A WARNING IS ISSUED. BELLES
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:03 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 27 min |
| Jun 7, 7:14 PM CDT | Tornado Warning | DMX | Dickinson | 26 min |
| Jun 7, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 43 min |
| Jun 7, 8:09 PM CDT | Flash Flood Warning | DMX | Appanoose, Monroe, Wayne | 3 hr |
| Jun 7, 8:09 PM CDT | Flash Flood Warning | DMX | Wapello | 3 hr |
| Jun 7, 8:37 PM CDT | Flash Flood Warning | DMX | Keokuk | 2 hr |
| Jun 7, 8:45 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 25 min |
| Jun 7, 9:02 PM CDT | Flash Flood Warning | DMX | Davis | 118 min |
| Jun 7, 9:18 PM CDT | Severe Thunderstorm Warning | DMX | Johnson, Washington | 42 min |
| Jun 7, 10:53 PM CDT | Flash Flood Warning | DMX | Appanoose, Davis | 97 min |
| Jun 8, 11:31 AM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 29 min |
| Jun 8, 11:52 AM CDT | Tornado Warning | DMX | Winneshiek | 38 min |
| Jun 8, 12:16 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 44 min |
| Jun 8, 1:11 PM CDT | Tornado Warning | DMX | Worth | 49 min |
| Jun 8, 1:45 PM CDT | Severe Thunderstorm Warning | DMX | Howard, Winneshiek | 26 min |
| Jun 8, 1:48 PM CDT | Tornado Warning | DMX | Wright | 27 min |
| Jun 8, 6:01 PM CDT | Tornado Warning | DMX | Washington | 29 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.