Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 35, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 29, 1993, 5:05 PM CDT for Emmet County, Iowa. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1993, 5:05 PM CDT (22:05 UTC)
- Expired
- Jun 29, 1993, 8:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Emmet County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.1 hours before the alert went out and 185 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 292205 FFWDSM IAC063-300100- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 505 PM CDT TUE JUN 29 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN NORTHWEST IOWA ...EMMET COUNTY THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE MOVING ACROSS EMMET COUNTY...OR ABOUT 20 TO 30 MILES NORTHEAST OF SPENCER. THE STORMS HAVE A HISTORY OF PRODUCING 2 TO 4 INCH RAINFALL AMOUNTS IN AHOUR. THESE RAINFALL AMOUNTS...COMBINED WITH ALREADY SATURATED GROUND CONDITIONS...WILL CAUSE QUICK RUNOFF AND FLASH FLOODING OF STREAMS AND CREEKS. DO NOT D,RIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood 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, 4:26 PM CDT, 39 minutes before
IAZ014-003-292230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 426 PM CDT TUE JUN 29 1993 ...TORRENTIAL DOWNPOURS CONTINUE IN PARTS OF NORTHERN IOWA... VERY HEAVY RAINFALL CONTINUES IN THE IOWA LAKES AREA THIS AFTERNOON. THREE INCHES OF RAIN WAS REPORTED AT OCHEYEDEN IN 45 MINUTES...AND NEARLY THAT MUCH (2.8 INCHES) WAS LOGGED JUST TO THE WEST AT ALLENDORF. AT SPIRIT LAKE...RAIN WAS FALLING AT THE RATE OF ONE-TENTH OF AN INCH PER MINUTE...WITH 1.3 INCHES RECORDED BETWEEN 400 AND 415 PM. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR DICKINSON COUNTY UNTIL 715 PM...AND A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE NORTHWEST CORNER OF THE STATE UNTIL MIDNIGHT. WITH RAINFALL OF THE INTENSITY FALLING ALONG HIGHWAY 9 IN OSCEOLA AND DICKINSON COUNTIES...ANYONE DRIVING IN THE IOWA LAKES AREA SHOULD BE ESPECIALLY CAREFUL THIS EVENING. FLASH FLOOD WATERS RISE VERY QUICKLY AND CAN EASILY SEND EVEN LARGE VEHICLES FLOATING OUT OF CONTROL. &
Special weather statement, Jun 29, 4:27 PM CDT, 38 minutes before
IAZ014-003-292230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 426 PM CDT TUE JUN 29 1993 ...TORRENTIAL DOWNPOURS CONTINUE IN PARTS OF NORTHERN IOWA... VERY HEAVY RAINFALL CONTINUES IN THE IOWA LAKES AREA THIS AFTERNOON. THREE INCHES OF RAIN WAS REPORTED AT OCHEYEDEN IN 45 MINUTES...AND NEARLY THAT MUCH (2.8 INCHES) WAS LOGGED JUST TO THE WEST AT ALLENDORF. AT SPIRIT LAKE...RAIN WAS FALLING AT THE RATE OF ONE-TENTH OF AN INCH PER MINUTE...WITH 1.3 INCHES RECORDED BETWEEN 400 AND 415 PM. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR DICKINSON COUNTY UNTIL 715 PM...AND A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE NORTHWEST CORNER OF THE STATE UNTIL MIDNIGHT. WITH RAINFALL OF THE INTENSITY FALLING ALONG HIGHWAY 9 IN OSCEOLA AND DICKINSON COUNTIES...ANYONE DRIVING IN THE IOWA LAKES AREA SHOULD BE ESPECIALLY CAREFUL THIS EVENING. FLASH FLOOD WATERS RISE VERY QUICKLY AND CAN EASILY SEND EVEN LARGE VEHICLES FLOATING OUT OF CONTROL. &
Special weather statement, Jun 29, 4:47 PM CDT, 18 minutes before
IAZALL-292240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 447 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST IOWA UNTIL 8 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 430 PM CDT...ISOLATED VERY STRONG THUNDERSTORMS CONTINUED OVER NORTHWEST IOWA. THE STORMS WERE LOCATED 20 MILES NORTH OF SPENCER NEAR SPIRIT LAKE...AND 30 MILES NORTHWEST OF FORT DODGE NEAR WEST BEND. THESE STORMS WERE PRODUCING EXTREMELY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL. THE STORMS WERE PART OF AN AREA OF SHOWERS AND STORMS OCCURRING WEST OF A LINE FROM 30 MILES NORTHWEST OF MASON CITY AT THE IOWA/MINNESOTA BORDER...TO 40 MILES EAST OF FORT DODGE NEAR IOWA FALLS...TO 15 MILES WEST OF DES MOINES NEAR ADEL. / OTHER SCATTERED SHOWERS WERE OCCURRING FROM 25 MILES SOUTHWEST OF DES MOINES NEAR WINTERSET...TO 60 MILES SOUTHEAST OF DES MOINES NEAR CORYDON. THE STORMS AND SHOWERS WERE MOVING EAST AT 30 TO 35 MILES AN HOUR. JAK/BRF
Special weather statement, Jun 29, 4:47 PM CDT, 18 minutes before
IAZALL-292240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 447 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST IOWA UNTIL 8 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 430 PM CDT...ISOLATED VERY STRONG THUNDERSTORMS CONTINUED OVER NORTHWEST IOWA. THE STORMS WERE LOCATED 20 MILES NORTH OF SPENCER NEAR SPIRIT LAKE...AND 30 MILES NORTHWEST OF FORT DODGE NEAR WEST BEND. THESE STORMS WERE PRODUCING EXTREMELY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL. THE STORMS WERE PART OF AN AREA OF SHOWERS AND STORMS OCCURRING WEST OF A LINE FROM 30 MILES NORTHWEST OF MASON CITY AT THE IOWA/MINNESOTA BORDER...TO 40 MILES EAST OF FORT DODGE NEAR IOWA FALLS...TO 15 MILES WEST OF DES MOINES NEAR ADEL. / OTHER SCATTERED SHOWERS WERE OCCURRING FROM 25 MILES SOUTHWEST OF DES MOINES NEAR WINTERSET...TO 60 MILES SOUTHEAST OF DES MOINES NEAR CORYDON. THE STORMS AND SHOWERS WERE MOVING EAST AT 30 TO 35 MILES AN HOUR. JAK/BRF
Special weather statement, Jun 29, 5:00 PM CDT, 5 minutes before
IAZ006>011-016>019-026>029-038>040-292300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 505 PM CDT TUE JUN 29 1993 ...THUNDERSTORMS ARE MOVING ACROSS THE I35 CORRIDOR... AT 500 PM CDT...THUNDERSTORMS SOME PRODUCING VERY HEAVY RAIN ...HAIL...GUSTY WINDS AND FREQUENT LIGHTNING WERE MOVING OVER NORTH CENTRAL IOWA. THIS CLUSTER OF THUNDERSTORMS WAS LOCATED ABOUT 20 MILES SOUTH OF MASON CITY...JUST WEST OF SHEFFIELD AND SOUTH OF THORNTON. THE STORMS ARE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL AFFECT SHEFFIELD...HAMPTON...THORNTON...AND THE MASON CITY AREA BY 515PM TO 600 PM CDT. THESE THUNDERSTORMS ARE BEING MONITORED CLOSELY BY THE NATIONAL WEATHER SERVICE AND UPD2ATES ON THESE STORMS WILL BE ISSUED AS THEY MOVE THROUGH NORTH CENTRAL INTO NORTHEAST IOWA. PEOPLE SHOULD BE ALERT FOR THESE THUNDERSTORMS AND BE PREPARED TO TAKE QUICK ACTION IF THE STORMS BECOME INTENSE.
Special weather statement, Jun 29, 5:05 PM CDT, 0 minutes before
IAZ006>011-016>019-026>029-038>040-292300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 505 PM CDT TUE JUN 29 1993 ...THUNDERSTORMS ARE MOVING ACROSS THE I35 CORRIDOR... AT 500 PM CDT...THUNDERSTORMS SOME PRODUCING VERY HEAVY RAIN ...HAIL...GUSTY WINDS AND FREQUENT LIGHTNING WERE MOVING OVER NORTH CENTRAL IOWA. THIS CLUSTER OF THUNDERSTORMS WAS LOCATED ABOUT 20 MILES SOUTH OF MASON CITY...JUST WEST OF SHEFFIELD AND SOUTH OF THORNTON. THE STORMS ARE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL AFFECT SHEFFIELD...HAMPTON...THORNTON...AND THE MASON CITY AREA BY 515PM TO 600 PM CDT. THESE THUNDERSTORMS ARE BEING MONITORED CLOSELY BY THE NATIONAL WEATHER SERVICE AND UPDATES ON THESE STORMS WILL BE ISSUED AS THEY MOVE THROUGH NORTH CENTRAL INTO NORTHEAST IOWA. PEOPLE SHOULD BE ALERT FOR THESE THUNDERSTORMS AND BE PREPARED TO TAKE QUICK ACTION IF THE STORMS BECOME INTENSE.
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, 5:43 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, 5:58 PM CDT | Tornado Warning | DMX | Kossuth | 32 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
Flash Flood Warnings in Iowa, 1993Every flash flood 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.