Alert archive / Minnesota / Flash Flood Warnings in 1993
Flash Flood Warning 19, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jul 3, 1993, 9:32 AM CDT for 4 counties in Minnesota. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1993, 9:32 AM CDT (14:32 UTC)
- Expired
- Jul 3, 1993, 1:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Lincoln County, MN, Lyon County, MN, Pipestone County, MN, Rock County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 2.5 hours before the alert went out and 197 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
- 208 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 238 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 KFSD 031435 FFWFSD MNC033-063-081-083-101-105-117-133-031830- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 932 AM CDT SAT JUL 3 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST MINNESOTA ...COTTONWOOD COUNTY...JACKSON COUNTY...LINCOLN COUNTY ...LYON COUNTY...MURRAY COUNTY...NOBLES COUNTY...PIPESTONE COUNTY ...ROCK COUNTY SOME CITIES INCLUDED IN THIS WARNING ARE IVANHOE...MARSHALL...PIPESTONE ...SLAYTON...LUVERNE...WORTHINGTON...HERON LAKE...AND WINDOM. AT 920 AM MARSHALL CIVIL DEFENSE REPORTED WIDESPREAD HEAVY RAIN IN LYON COUNTY WITH UP TO 4 INCHES REPORTED IN PLACES. RADAR INDICATED THAT HEAVY RAINS WERE FALLING OVER MUCH OF SOUTHWEST MINNESOTA AND SHOULD CONTINUE TO ABOUT NOON. A FLASH FLOOD WARNING MEANS FLASH FLOODING IS OCCURING OR IS IMMINENT. ACT QUICKLY TO SAVE YOURSELF. GET OUT OF LOWLAND AREAS SUBJECT TO FLOODING. AVOID ALREADY FLOODED AREAS. CAMPERS ALONG STREAMS AND SMALL RIVERS SHOULD MOVE TO HIGHER GROUND. 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. RYRHOLM/KOSCIELSKI &
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, Jul 3, 3:47 AM CDT, 5 hours 45 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-041015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 347 AM CDT SUN JUL 3 1993 ...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS THE REGION... AT 342 AM CDT A BAND OF SHOWERS AND THUNDERSTORMS CONTINED WEST OF A LINE FROM PAULINA IOWA...45 MILES NORTHEAST OF SIOUX CITY TO ONAWA IOWA...40 MILES SOUTH OF SIOUX CITY. MOVEMENT WAS EAST AT 25 MILES AN HOUR. A 10 TO 15 MILE WIDE BAND OF HEAVIER RAIN WAS LOCATED FROM HINTON THROUGH SIOUX CITY SOUTHWEST TO HOMER NEBRASKA. HEAVIER RAINS CAN BE EXPECTED AT KINGSLEY...MOVILLE AND SALIX IOWA THROUGH 5 AM. HUMPHREY
Special weather statement, Jul 3, 4:31 AM CDT, 5 hours 1 minute before
SDZ001>003-006>009-013-014-031200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 430 AM CDT SAT JUL 3 1993 ...TORNADO WATCH FOR MUCH OF WESTERN SOUTH DAKOTA HAS BEEN CANCELLED... THE TORNADO WATCH FOR MUCH OF WESTERN SOUTH DAKOTA HAS BEEN CANCELLED. THUNDERSTORMS HAVE MOVED OUT OF MOST OF THE WATCH AREA AND HAVE DECREASED IN INTENSITY. MORE SEVERE THUNDERSTORMS ARE EXPECTED TO REDEVELOP OVER SOUTH DAKOTA THIS AFTERNOON AND TONIGHT. BLOOM
Special weather statement, Jul 3, 5:05 AM CDT, 4 hours 27 minutes before
SDZALL-032100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 504 AM CDT SAT JUL 3 1993 ...SEVERE WEATHER EXPECTED OVER SOUTH DAKOTA THIS AFTERNOON AND TONIGHT... THE NATIONAL SEVERE STORMS CENTER IS EXPECTING A WIDESPREAD OUTBREAK OF SEVERE THUNDERSTORMS AND TORNADOES OVER THE NORTHERN PLAINS THIS AFTERNOON AND TONIGHT. ALL OF SOUTH DAKOTA EXCEPT THE EXTREME WESTERN PART ARE INCLUDED. THE TRISTATE AREA AROUND SIOUX FALLS IS ALSO INCLUDED. THUNDERSTORMS PRODUCING TORNADOES...LARGE HAIL...DAMAGING WIND AND VERY HEAVY RAIN ARE EXPECTED TO DEVELOP OVER CENTRAL SOUTH DAKOTA THIS AFTERNOON AND SPREAD OVER EASTERN SOUTH DAKOTA TONIGHT. PERSONS IN THESE AREAS SH8OULD REVIEW SAFETY RULES AND LISTEN TO RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLY WATCHES OR WARNINGS. BLOOM
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 9:32 AM CDT | Flash Flood Warning | FSD | Cottonwood, Jackson, Murray, Nobles | 4 hr |
Nearby
Flash Flood Warnings in Minnesota, 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.