Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 29, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 23, 1993, 6:36 PM CDT for Emmet County, Iowa. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1993, 6:36 PM CDT (23:36 UTC)
- Expired
- Jun 23, 1993, 9:00 PM CDT
- In force
- 2 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, 11.6 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
- 155 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 232338 FFWDSM IAC063-240200- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 636 PM CDT WED JUN 23 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN NORTHWEST IOWA ...EASTERN EMMET COUNTY AT 630 PM CDT...FLASH FLOODING WAS REPORTED OVER EASTERN EMMET COUNTY NEAR THE CITY OF ARMSTRONG OR 40 MILES NORTHEAST OF SPENCER. HIGHWAY 9 AND HIGHWAY 15 HAD WATER OVER THE ROAD IN SOME LOCATIONS. ALSO, SEVERAL COUNTY ROADS WERE FLOODED. THE THUNDERSTORMS RESPONSIBLE FOR THE FLASH FLOODING WERE DECREASING AT 630 PM AND THE STORMS SHOULD END BY 730 PM. HOWEVER...FLASH FLOODING SHOULD COUNTINUE OVER EASTERN EMMET COUNTY FOR THE NEXT FEW HOURS. DO NOT DRIVE 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. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWIFNG STREAM...EVEN A SMALL ONE...ON FOOT. THIS WARNING REPLACES THE WARNING ISSUED AT 445 PM. JOHNSON
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 23, 4:43 PM CDT, 1 hour 53 minutes before
IAZALL-232240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 443 PM CDT WED JUN 23 1993 AT 430 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS WAS SITUATED OVER NORTHWEST IOWA. THIS CLUSTER OF STORMS EXTENDED FROM 20 MILES EAST OF SPENCER NEAR EMMETSBURG NORTHEAST TO THE IOWA/MINNESOTA BORDER 25 MILES NORTHEAST OF EMMETSBURG. ANOTHER STRONG THUNDERSTORM HAD DEVELOPED 10 TO 15 MILES NORTH OF FORT DODGE NEAR HUMBOLDT. THESE STORMS WILL EXTREMELY HEAVY RAIN...DEADLY LIGHTNING AND SOME PEA SIZED HAIL. ISOLATED SHOWERS HAD DEVELOPED OVER FAR SOUTHEAST IOWA AROUND BLOOMFIELD AND KEOSAUQUA OR SOME 15 TO 25 MILES SOUTH AND SOUTHEAST OF OTTUMWA. THE SHOWERS AND STORMS WERE MOVING NORTH AT 20 TO 25 MILES AN HOUR. BARLOW )N>B?6WWUS\ T?( WUUS& D#u6WWUS |7q4WSUS> 1WWUSH @4nX WUUS` +6WWUS" 0XWSUS@ OON SHOWERS ORNDERSTORMS. HIG056WWUS %6WWUS (6WWUS 2x6WWUSL =WWCN 3U^WSUS6 E OF MAINLY DAE SHOWERS OR THUSTORMS. LOWS IN 70S TO NEAR 80.$6WWUS
Special weather statement, Jun 23, 4:47 PM CDT, 1 hour 49 minutes before
IAZALL-232240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 443 PM CDT WED JUN 23 1993 AT 430 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS WAS SITUATED OVER NORTHWEST IOWA. THIS CLUSTER OF STORMS EXTENDED FROM 20 MILES EAST OF SPENCER NEAR EMMETSBURG NORTHEAST TO THE IOWA/MINNESOTA BORDER 25 MILES NORTHEAST OF EMMETSBURG. ANOTHER STRONG THUNDERSTORM HAD DEVELOPED 10 TO 15 MILES NORTH OF FORT DODGE NEAR HUMBOLDT. THESE STORMS WILL EXTREMELY HEAVY RAIN...DEADLY LIGHTNING AND SOME PEA SIZED HAIL. ISOLATED SHOWERS HAD DEVELOPED OVER FAR SOUTHEAST IOWA AROUND BLOOMFIELD AND KEOSAUQUA OR SOME 15 TO 25 MILES SOUTH AND SOUTHEAST OF OTTUMWA. THE SHOWERS AND ST<ORMS WERE MOVING NORTH AT 20 TO 25 MILES AN HOUR. BARLOW
Special weather statement, Jun 23, 4:51 PM CDT, 1 hour 45 minutes before
IAZALL-232240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 443 PM CDT WED JUN 23 1993 AT 430 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS WAS SITUATED OVER NORTHWEST IOWA. THIS CLUSTER OF STORMS EXTENDED FROM 20 MILES EAST OF SPENCER NEAR EMMETSBURG NORTHEAST TO THE IOWA/MINNESOTA BORDER 25 MILES NORTHEAST OF EMMETSBURG. ANOTHER STRONG THUNDERSTORM HAD DEVELOPED 10 TO 15 MILES NORTH OF FORT DODGE NEAR HUMBOLDT. THESE STORMS WILL PRODUCE EXTREMELY HEAVY RAIN...DEADLY LIGHTNING AND SOME PEA SIZED HAIL. ISOLATED SHOWERS HAD DEVELOPED OVER FAR SOUTHEAST IOWA AROUND BLOOMFIELD AND KEOSAUQUA OR SOME 15 TO 25 MILES SOUTH AND SOUTHEAST OF OTTUMWA. THE SHOWERJS AND STORMS WERE MOVING NORTH AT 20 TO 25 MILES AN HOUR. BARLOW
Special weather statement, Jun 23, 5:43 PM CDT, 53 minutes before
IAZALL-232340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 543 PM CDT WED JUN 23 1993 AT 533 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS PERSISTED OVER A SMALL PART OF NORTHWEST AND NORTH CENTRAL IOWA. THIS CLUSTER OF STORMS WAS LOCATED BETWEEN ESTHERVILLE...EMMETSBURG AND BUFFALO CENTER. EMMETSBURG IS 20 MILES EAST OF SPENCER...ESTHERVILLE IS 20 MILES NORTHEAST OF SPENCER WHILE BUFFALO CENTER IS 30 MILES NORTHWEST OF MASON CITY. EXTREMELY HEAVY RAIN HAS BEEN REPORTED IN THIS AREA...AS UP TO 6 INCHES OF RAIN HAS FALLEN AT THE TOWN OF ARMSTRONG SINCE 330 THIS AFTERNOON. ARMSTRONG IS ABOUT 20 MILES EAST OF ESTHERVILLE. BESIDES THE INTENSE RAIN SOME SMALL HAIL AND WIND GUSTS OF 30 TO 40 MILES AN HOUR CAN BE EXPECTED IN THIS CLUSTER OF STORMS. AN ISOLATED THUNDERSTORM HAD DEVELOPED 30 MILES WEST OF FORT DODGE NEAR SAC CITY. THE STORMS WERE MOVING NORTH AT 20 MILES AN HOUR. BARLOW
Special weather statement, Jun 23, 5:48 PM CDT, 48 minutes before
IAZALL-232340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 543 PM CDT WED JUN 23 1993 AT 533 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS PERSISTED OVER A SMALL PART OF NORTHWEST AND NORTH CENTRAL IOWA. THIS CLUSTER OF STORMS WAS LOCATED BETWEEN ESTHERVILLE...EMMETSBURG AND BUFFALO CENTER. EMMETSBURG IS 20 MILES EAST OF SPENCER...ESTHERVILLE IS 20 MILES NORTHEAST OF SPENCER WHILE BUFFALO CENTER IS 30 MILES NORTHWEST OF MASON CITY. EXTREMELY HEAVY RAIN HAS BEEN REPORTED IN THIS AREA...AS UP TO 6 INCHES OF RAIN HAS FALLEN AT THE TOWN OF ARMSTRONG SINCE 330 THIS AFTERNOON. ARMSTRONG IS ABOUT 20 MILES EAST OF ESTHERVILLE. BESIDES THE INTENSE RAIN SOME SMALL HAIL AND WIND GUSTS OF 30 TO 40 MILES AN HOUR CAN BE EXPECTED IN THIS CLUSTER OF STORMS. AN ISOLATED THUNDERSTORM HAD DEVELOPED 30 MILES WEST OF FORT DODGE NEAR SAC CITY. THE STORMS WERE MOVING NORTH AT 20 MILES AN HOUR. BARLOW
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 4:44 PM CDT | Flash Flood Warning | DMX | Emmet | 2 hr |
| Jun 23, 5:41 PM CDT | Flash Flood Warning | DMX | Kossuth | 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.