Alert archive / Iowa / Tornado Warnings in 1993
Tornado Warning 3, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 7, 1993, 7:14 PM CDT for Dickinson County, Iowa. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1993, 7:14 PM CDT (00:14 UTC)
- Expired
- Jun 7, 1993, 7:40 PM CDT
- In force
- 26 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Dickinson County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 0.2 hours before the alert went out and 205 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
- 9 J/kg
- Mixed-layer CIN
- -565 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 582 m²/s²
- 0-3 km storm-relative helicity
- 647 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 080015 TORDSM IAC059-080045- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 714 PM CDT MON JUN 7 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN NORTHWEST IOWA ...DICKINSON COUNTY AT 710 PM...DICKERSON COUNTY SHERIFF'S OFFICE REPORTED A TORNADO NEAR MAY CITY 20 MILES NORTHWEST OF SPENCER. THE TORNADO WAS MOVING NORTHEAST AND IT SHOULD MOVE INTO WESTERN DICKERSON COUNTY NEAR LAKE PARK BY 735 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. &
What forecasters said that day
The local office's own words before this tornado 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 7, 6:10 PM CDT, 1 hour 4 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-080010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 610 PM CDT MON JUN 7 1993 ...A TORNDADO WATCH IS IN EFFECT FOR NORTHEAST AND NORTH CENTRAL IOWA UNTIL 10 PM... AT 605 PM A LINE OF THUNDERSTORMS STRTECHED FROM 20 MILES WEST OF WATERLOO NEAR THE TOWN OF PARKERSBURG...TO GRUNDY CENTER...TO NEAR MARSHALLTOWN. THESE STORMS WERE PRODUCING VERY HEAVY RAINS...DEADLY LIGHTNING...STRONG GUSTY WINDS...AND POSSIBLE SMALL HAIL. MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR AND WILL AFFECT THE TOWNS OF PARKERSBURG...GRUNDY CENTER AND REINBECK BY 7PM. A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHEAST AND NORTH CENTRAL IOWA UNTIL 10 PM THIS EVENING. ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT. A TORNADO WATCH MEANS THAT CONDITIONS ARE ALSO FAVORABLE FOR TORNADOES TO DEVELOP. A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAYED TUNED TO YOUR TELEVISION... RADIO...OR NOAA WEATHER RADIO STATION FOR FURTHER UPDATES AND POSSIBLE WARNINGS. LINDENBERG
Special weather statement, Jun 7, 6:50 PM CDT, 24 minutes before
IAZALL-080040 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 650 PM CDT MON JUN 7 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE WEST THIRD OF IOWA UNTIL 8 PM... ...A TORNADO WATCH IS IN EFFECT FOR THE CENTRAL THIRD OF IOWA UNTIL 10 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF IOWA TONIGHT... AT 630 PM CDT...AN AREA OF SHOWERS AND STRONG THUNDERSTORMS CONTINUED OVER ABOUT THE CENTRAL THIRD OF IOWA. THE SHOWERS AND STORMS WERE GENERALLY WEST OF A LINE FROM THE IOWA/MINNESOTA BORDER 40 MILES NORTHEAST OF MASON CITY TO CEDAR RAPIDS TO NEAR FARMINGTON. FARMINGTON IS 40 SOUTHEAST OF OTTUMWA. THE HEAVIEST STORMS...CAPABLE OF PRODUCING HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL WERE LOCATED 20 MILES SOUTHWEST OF WATERLOO NEAR TRAER AND ALONG THE IOWA/MISSOURI BORDER NEAR ALLERTON..OR ABOUT 20 MILES EAST-NORTHEAST OF LAMONI. MOVEMENT OF THE SHOWERS AND STORMS WAS NORTHEAST AT 40 MILES AN HOUR. . PETERSEN
Special weather statement, Jun 7, 6:50 PM CDT, 24 minutes before
IAZALL-080040 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 650 PM CDT MON JUN 7 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE WEST THIRD OF IOWA UNTIL 8 PM... ...A TORNADO WATCH IS IN EFFECT FOR THE CENTRAL THIRD OF IOWA UNTIL 10 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF IOWA TONIGHT... AT 630 PM CDT...AN AREA OF SHOWERS AND STRONG THUNDERSTORMS CONTINUED OVER ABOUT THE CENTRAL THIRD OF IOWA. THE SHOWERS AND STORMS WERE GENERALLY WEST OF A LINE FROM THE IOWA/MINNESOTA BORDER 40 MILES NORTHEAST OF MASON CITY TO CEDAR RAPIDS TO NEAR FARMINGTON. FARMINGTON IS 40 SOUTHEAST OF OTTUMWA. THE HEAVIEST STORMS...CAPABLE OF PRODUCING HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL WERE LOCATED 20 MILES SOUTHWEST OF WATERLOO NEAR TRAER AND ALONG THE IOWA/MISSOURI BORDER NEAR ALLERTON..OR ABOUT 20 MILES EAST-NORTHEAST OF LAMONI. MOVEMENT OF THE SHOWERS AND STORMS WAS NORTHEAST AT 40 MILES AN HOUR. . PETERSEN
Special weather statement, Jun 7, 7:10 PM CDT, 4 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 710 PM CDT MON JUN 7 1993 ...A TORNDADO WATCH IS IN EFFECT FOR NORTHEAST AND NORTH CENTRAL IOWA UNTIL 10 PM... AT 7 PM A LINE OF STRONG THUNDERSTORMS WERE LOCATED FROM WATERLOO SOUTH INTO THE TRAER AREA. THESE STORMS WERE PRODUCING VERY HEAVY RAIN AND HAIL. MARBLE SIZE HAIL WAS REPORTED WITH THESE STORMS IN WATERLOO AT 655 PM CDT. THESE STORMS WILL QUICKLY MOVE INTO THE OELWEIN AND INDEPENDENCE AREAS BY 730 PM. STRONG THUNDERSTORMS WERE ALSO LOCATED 25 MILES WEST OF DECORAH. SEVERAL CELLS WERE ALSO LOCATED 10 MILES TO THE WEST...SOUTHWEST AND SOUTH OF DECORAH. THESE STORMS WILL AFFECT THE DECORAH AND CRESCO AREAS THROUGH 730 PM. A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAYED TUNED TO YOUR TELEVISION... RADIO...OR NOAA WEATHER RADIO STATION FOR FURTHER UPDATES AND POSSIBLE WARNINGS. PABST
Special weather statement, Jun 7, 7:10 PM CDT, 4 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 710 PM CDT MON JUN 7 1993 ...A TORNDADO WATCH IS IN EFFECT FOR NORTHEAST AND NORTH CENTRAL IOWA UNTIL 10 PM... AT 7 PM A LINE OF STRONG THUNDERSTORMS WERE LOCATED FROM WATERLOO SOUTH INTO THE TRAER AREA. THESE STORMS WERE PRODUCING VERY HEAVY RAIN AND HAIL. MARBLE SIZE HAIL WAS REPORTED WITH THESE STORMS IN WATERLOO AT 655 PM CDT. THESE STORMS WILL QUICKLY MOVE INTO THE OELWEIN AND INDEPENDENCE AREAS BY 730 PM. STRONG THUNDERSTORMS WERE ALSO LOCATED 25 MILES WEST OF DECORAH. SEVERAL CELLS WERE ALSO LOCATED 10 MILES TO THE WEST...SOUTHWEST AND SOUTH OF DECORAH. THESE STORMS WILL AFFECT THE DECORAH AND CRESCO AREAS THROUGH 730 PM. A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAYED TUNED TO YOUR TELEVISION... RADIO...OR NOAA WEATHER RADIO STATION FOR FURTHER UPDATES AND POSSIBLE WARNINGS. PABST : G -,6GHvfzAE6)]8
Special weather statement, Jun 7, 7:12 PM CDT, 2 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 710 PM CDT MON JUN 7 1993 ...A TORNDADO WATCH IS IN EFFECT FOR NORTHEAST AND NORTH CENTRAL IOWA UNTIL 10 PM... AT 7 PM A LINE OF STRONG THUNDERSTORMS WERE LOCATED FROM WATERLOO SOUTH INTO THE TRAER AREA. THESE STORMS WERE PRODUCING VERY HEAVY RAIN AND HAIL. MARBLE SIZE HAIL WAS REPORTED WITH THESE STORMS IN WATERLOO AT 655 PM CDT. THESE STORMS WILL QUICKLY MOVE INTO THE OELWEIN AND INDEPENDENCE AREAS BY 730 PM. STRONG THUNDERSTORMS WERE ALSO LOCATED 25 MILES WEST OF DECORAH. SEVERAL CELLS WERE ALSO LOCATED 10 MILES TO THE WEST...SOUTHWEST AND SOUTH OF DECORAH. THESE STORMS WILL AFFECT THE DECORAH AND CRESCO AREAS THROUGH 730 PM. A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT. THOSE PERSONS IN NORTHEAST IOWA SHOULD STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAYED TUNED TO YOUR TELEVISION... RADIO...OR NOAA WEATHER RADIO STATION FOR FURTHER UPDATES AND POSSIBLE WARNINGS. PABST
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, 7:47 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, 1:16 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 42 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
Tornado Warnings in Iowa, 1993Every tornado warning in 1993Tornadoes 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.