Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 27, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 23, 1993, 4:44 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, 4:44 PM CDT (21:44 UTC)
- Expired
- Jun 23, 1993, 7:00 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, 9.7 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 232145 FFWDSM IAC063-240000- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 444 PM CDT WED JUN 23 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN NORTHWEST IOWA ...EASTERN EMMET COUNTY AT 440 PM...SLOW MOVING THUNDERSTORMS WERE PRODUCING HEAVY RAIN OVER EASTERN EMMET COUNTY. ARMSTRONG...35 MILES NORTHEAST OF SPENCER...REPORTED BETWEEN 2 AND 3 INCHES OF RAIN SINCE 345 PM. THE THUNDERSTORMS WERE STILL OVER EASTERN EMMET COUNTY AND MORE HEAVY RAIN IS EXPECTED THROUGH 530 PM. SOLDIER CREEK...BLACK CAT CREEK AND JACK CREEK SHOULD FLASH FLOOD. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...E6VEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. JOHNSON/SMITH
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 minute 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
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:41 PM CDT | Flash Flood Warning | DMX | Kossuth | 2 hr |
| Jun 23, 6:36 PM CDT | Flash Flood Warning | DMX | Emmet | 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.