Alert archive / Iowa / Tornado Warnings in 1993
Tornado Warning 12, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 29, 1993, 5:58 PM CDT for Kossuth County, Iowa. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1993, 5:58 PM CDT (22:58 UTC)
- Expired
- Jun 29, 1993, 6:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Kossuth County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.0 hours before the alert went out and 189 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
- 938 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 292258 TORDSM IAC109-292330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 558 PM CDT TUE JUN 29 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN NORTH CENTRAL IOWA ...SOUTHERN KOSSUTH COUNTY AT 555 PM CDT...A POSSIBLE TORNADO WAS REPORTED 40 MILES NORTH OF FORT DODGE...OR JUST NORTH OF WHITTEMORE. THE STORM WAS MOVING EAST AT 30 MILES AN HOUR...AND WILL BE NEAR ALGONA AND IRVINGTON BY 520 PM. THIS IS A VERY DANGEROUS SITUATION. IF YOU ARE IN THIS AREA...TAKE SHELTER INSIDE A STURDY BUILDING AND GET UNDER SOME STURDY FURNITURE. BECAUSE OF HEAVY RAINS AND FLASH FLOODING ASSOCIATED WITH THIS STORM...BE CAREFUL TO AVOID TAKING SHELTER IN AN AREA SUSCEPTIBLE TO FLOODING. SULLIVAN &
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 29, 5:30 PM CDT, 28 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-292330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 530 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WORKING THEIR WAY THROUGH NORTH CENTRAL IOWA... AT 525 PM RADAR WAS SHOWING A CLUSTER OF STRONG THUNDERSTORMS 15 MILES SOUTH OF MASON CITY NEAR SHEFFIELD. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH AND SHOULD PRODUCE HEAVY RAINS...SMALL HAIL AND GUSTY WINDS 30 TO 40 MPH. SOME CITIES TO BE AFFECTED BY THESE STORMS THROUGH 6 PM ARE SHEFFIELD...ROCKWELL...DOUGHERTY...AREDALE AND DUMONT. A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA UNTIL 11 PM SO ALL CITIZENS ARE ADVISED TO STAY TUNED FOR LATER STATEMENTS AND INFORMATION BY LISTENING TO NOAA WEATHER RADIO...TV OR COMMERCIAL RADIO. BY ALL MEANS MOVE TO A PLACE OF SHELTER SHOULD THREATENING WEATHER APPROACH. COLLAR
Special weather statement, Jun 29, 5:31 PM CDT, 27 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-292330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 530 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WORKING THEIR WAY THROUGH NORTH CENTRAL IOWA... AT 525 PM RADAR WAS SHOWING A CLUSTER OF STRONG THUNDERSTORMS 15 MILES SOUTH OF MASON CITY NEAR SHEFFIELD. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH AND SHOULD PRODUCE HEAVY RAINS...SMALL HAIL AND GUSTY WINDS 30 TO 40 MPH. SOME CITIES TO BE AFFECTED BY THESE STORMS THROUGH 6 PM ARE SHEFFIELD...ROCKWELL...DOUGHERTY...AREDALE AND DUMONT. A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA UNTIL 11 PM SO ALL CITIZENS ARE ADVISED TO STAY TUNED FOR LATER STATEMENTS AND INFORMATION BY LISTENING TO NOAA WEATHER RADIO...TV OR COMMERCIAL RADIO. BY ALL MEANS MOVE TO A PLACE OF SHELTER SHOULD THREATENING WEATHER APPROACH. COLLAR
Special weather statement, Jun 29, 5:40 PM CDT, 18 minutes before
IAZALL-292340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 540 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST IOWA UNTIL 8 PM... ...A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL AND NORTHEAST IOWA UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST IOWA UNTIL MIDNIGHT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR A SMALL PART OF EXTREME NORTHEAST IOWA TONIGHT... AT 530 PM CDT...ISOLATED INTENSE THUNDERSTORMS WERE LOCATED OVER NORTH CENTRAL AND NORTHWEST IOWA. THE STORMS WERE OCCURRING FROM 25 MILES NORTHWEST TO 35 MILES NORTHEAST OF SPENCER...AND 20 MILES SOUTH OF MASON CITY. THESE STORMS WERE PRODUCING TORRENTIAL RAINFALL...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING. THE STORMS WERE OCCURRING IN AN AREA OF SHOWERS AND STORMS OCCURRING NORTH OF A LINE FROM HAWARDEN TO NEAR WATERLOO. HAWARDEN IS 30 MILES NORTH OF SIOUX CITY. SCATTERED SHOWERS WERE ALSO OCCURRING IN A 25 MILE WIDE BAND EXTENDING FROM 15 MILES EAST OF FORT DODGE NEAR WEBSTER CITY...TO 40 MILES SOUTH OF OTTUMWA AT THE IOWA/MISSOURI BORDER. THE STORMS AND SHOWERS WERE MOVING EAST AT 30 MILES AN HOUR. JAK/BRF WWUS35KPUB ,0
Special weather statement, Jun 29, 5:42 PM CDT, 16 minutes before
IAZALL-292340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 540 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST IOWA UNTIL 8 PM... ...A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL AND NORTHEAST IOWA UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST IOWA UNTIL MIDNIGHT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR A SMALL PART OF EXTREME NORTHEAST IOWA TONIGHT... AT 530 PM CDT...ISOLATED INTENSE THUNDERSTORMS WERE LOCATED OVER NORTH CENTRAL AND NORTHWEST IOWA. THE STORMS WERE OCCURRING FROM 25 MILES NORTHWEST TO 35 MILES NORTHEAST OF SPENCER...AND 20 MILES SOUTH OF MASON CITY. THESE STORMS WERE PRODUCING TORRENTIAL RAINFALL...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING. THE STORMS WERE OCCURRING IN AN AREA OF SHOWERS AND STORMS OCCURRING NORTH OF A LINE FROM HAWARDEN TO NEAR WATERLOO. HAWARDEN IS 30 MILES NORTH OF SIOUX CITY. SCATTERED SHOWERS WERE ALSO OCCURRING IN A 25 MILE WIDE BAND EXTENDING FROM 15 MILES EAST OF FORT DODGE NEAR WEBSTER CITY...TO 40 MILES SOUTH OF OTTUMWA AT THE IOWA/MISSOURI BORDER. THE STORMS AND SHOWERS WERE MOVING EAST AT 30 MILES AN HOUR. JAK/BRF
Special weather statement, Jun 29, 5:54 PM CDT, 4 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-300000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 554 PM CDT TUE JUN 29 1993 ...STAY ALERT FOR POSSIBLE SEVERE WEATHER THIS EVENING... A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA UNTIL 11 PM. AT 545 PM STRONG THUNDERSTORMS WERE OCCURRING 25 MILES SOUTHEAST OF MASON CITY OR 5 MILES WEST OF MARBLE ROCK. THESE STORMS WERE MOVING EAST AT 35 MPH AND WILL PRODUCE WINDS OF NEAR 40 MPH AND WILL MOVE THROUGH MARBLE ROCK...GREENE...NASHUA AND CHARLES CITY THROUGH 615 PM. OTHER STORMS WERE DEVELOPING RAPIDLY JUST WEST OF WATERLOO. NO MOVEMENT HAS BEEN DETERMINED WITH THESE STORMS. AN EXTREMELY INTENSE STORM WAS LOCATED 45 MILES WEST OF MASON CITY AND THIS STORM SHOULD MOVE INTO THE BRITT AND GARNER AREAS BY 640 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY STORMS IN NORTHEAST IOWA. STAY ALERT FOR RAPIDLY CHANGING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SHELTER QUICKLY. COLLAR
Special weather statement, Jun 29, 5:55 PM CDT, 3 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-300000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 554 PM CDT TUE JUN 29 1993 ...STAY ALERT FOR POSSIBLE SEVERE WEATHER THIS EVENING... A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA UNTIL 11 PM. AT 545 PM STRONG THUNDERSTORMS WERE OCCURRING 25 MILES SOUTHEAST OF MASON CITY OR 5 MILES WEST OF MARBLE ROCK. THESE STORMS WERE MOVING EAST AT 35 MPH AND WILL PRODUCE WINDS OF NEAR 40 MPH AND WILL MOVE THROUGH MARBLE ROCK...GREENE...NASHUA AND CHARLES CITY THROUGH 615 PM. OTHER STORMS WERE DEVELOPING RAPIDLY JUST WEST OF WATERLOO. NO MOVEMENT HAS BEEN DETERMINED WITH THESE STORMS. AN EXTREMELY INTENSE STORM WAS LOCATED 45 MILES WEST OF MASON CITY AND THIS STORM SHOULD MOVE INTO THE BRITT AND GARNER AREAS BY 640 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY STORMS IN NORTHEAST IOWA. STAY ALERT FOR RAPIDLY CHANGING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SHELTER QUICKLY. COLLAR
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 3:24 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 28 min |
| Jun 29, 4:11 PM CDT | Flash Flood Warning | DMX | Dickinson | 3 hr |
| Jun 29, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 30 min |
| Jun 29, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 39 min |
| Jun 29, 5:05 PM CDT | Flash Flood Warning | DMX | Emmet | 3 hr |
| Jun 29, 5:43 PM CDT | Flash Flood Warning | DMX | Kossuth, Palo Alto | 62 min |
| Jun 29, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 62 min |
| Jun 29, 5:46 PM CDT | Flash Flood Warning | DMX | Clay, Dickinson | 59 min |
| Jun 29, 5:46 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 59 min |
| Jun 29, 6:04 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 26 min |
| Jun 29, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 50 min |
| Jun 29, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 30 min |
| Jun 29, 6:42 PM CDT | Flash Flood Warning | DMX | Kossuth | 3 hr |
| Jun 29, 6:55 PM CDT | Flash Flood Warning | DMX | Buena Vista | 2 hr |
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.