Alert archive / Minnesota / Flash Flood Warnings in 1993
Flash Flood Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 17, 1993, 1:09 AM CDT for Lyon County, Minnesota. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1993, 1:09 AM CDT (06:09 UTC)
- Expired
- Jun 17, 1993, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Lyon County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 6.2 hours before the alert went out and 184 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
- 186 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 170610 FFWFSD MNC083-171015- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 109 AM CDT THU JUN 17 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 515 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...LYON COUNTY ...FLASH FLOOD WARNING EXTENDED FOR LYON COUNTY MINNESOTA... AT 1 AM CDT THE FLASH FLOOD WARNING FOR LYON COUNTY MINNESOTA IS BEING EXTENDED UNTIL 4 AM CDT. FLOODING CONTINUES OVER MUCH OF LYON COUNTY WITH THE WORST FLOODING FROM MARSHALL NORTH TOWARD MINNEOTA ABOUT 10 MILES NORTHWEST OF MARSHALL AND COTTONWOOD AROUND 10 MILES NORTHEAST OF MARSHALL. SIX INCHES OF RAIN WAS REPORTED 10 MILES WEST OF MARSHALL. COUNTY ROAD 3 SOUTH OF MINNEOTA WAS CLOSED AS WELL AS COUNTY ROAD 22 BETWEEN COTTONWOOD AND GREEN VALLEY. RADAR AT 1250 AM CDT CONTINUED TO SHOW SHOWERS OVER LYON COUNTY ALTHOUGH THE HEAVIEST RAINS HAD MOVED SOUTH INTO NORTHERN PIPESTONE AND MURRAY COUNTIES. THE RAINS THAT FALL IN THESE AREAS WILL HELP TO AGGRAVATE THE FLOODING IN LYON COUNTY AS THE WATER WILL FLOW TOWARDS LYON COUNTY THE REST OF TONIGHT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ON...ON FOOT. DIRCKSEN
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 16, 11:12 PM CDT, 1 hour 57 minutes before
IAZ013-NEZ094-095-096-SDZ066-160615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1112 PM CDT TUE JUN 16 1993 ...THUNDERSTORMS HEADED TOWARD SIOUX CITY... AT 1110 PM CDT RADAR SHOWED A LARGE CLUSTER OF THUNDERSTORMS 60 MILES WEST OF SIOUX CITY. THEY WILL EXTEND FROM BERESFORD SOUTH DAKOTA TO CONCORD NEBRASKA BY 1145 PM. ANOTHER THUNDERSTORM WAS NEAR SUTHERLAND IOWA OR 60 MILES NORTHEAST OF SIOUX CITY. THAT STORM SHOULD BE EAST OF OBRIEN COUNTY BY 1120 PM. ALL OF THESE STORMS COULD PRODUCE STRONG GUSTY WIND...SMALL HAIL... DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN AS THEY MOVE EAST AT 35 MILES AN HOUR. J QUINN
Special weather statement, Jun 16, 11:40 PM CDT, 1 hour 29 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-170600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1141 PM CDT WED JUN 16 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR OBRIEN COUNTY IN NORTHWEST IOWA UNTIL 1 AM CDT... AT 1140 PM CDT NO PRECIPITATION WAS OCCURRING IN THE SIOUXLAND AREA. HOWEVER THE POTENTIAL EXISTS FOR STRONG THUNDERSTORMS TO DEVELOP NORTH OF SIOUX CITY. IN ADDITION STRONG THUNDERSTORMS OVER SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA ARE EXPECTED TO MOVE INTO NORTHWEST IOWA BY 1 AM. MEANWHILE...CONDITIONS WILL REMAIN BREEZY AND MUGGY WITH TEMPERATURES IN THE LOWER 80S. HUMPHREY
Special weather statement, Jun 16, 11:41 PM CDT, 1 hour 28 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-170600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1141 PM CDT WED JUN 16 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR OBRIEN COUNTY IN NORTHWEST IOWA UNTIL 1 AM CDT... AT 1140 PM CDT NO PRECIPITATION WAS OCCURRING IN THE SIOUXLAND AREA. HOWEVER THE POTENTIAL EXISTS FOR STRONG THUNDERSTORMS TO DEVELOP NORTH OF SIOUX CITY. IN ADDITION STRONG THUNDERSTORMS OVER SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA ARE EXPECTED TO MOVE INTO NORTHWEST IOWA BY 1 AM. MEANWHILE...CONDITIONS WILL REMAIN BREEZY AND MUGGY WITH TEMPERATURES IN THE LOWER 80S. HUMPHREY
Special weather statement, Jun 16, 11:44 PM CDT, 1 hour 25 minutes before
SDZ011-012-016-017-018-019-020-MNZ017-170615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1140 PM CDT WED JUN 16 1993 AT 1135 PM CDT RADAR INDICATED A LINE OF INTENSE THUNDERSTORMS EXTENDING FROM SOUTH CENTRAL SOUTH DAKOTA 40 MILES SOUTHWEST OF MITCHELL TO 40 MILES NORTHWEST OF SIOUX FALLS NEAR SALEM TO NEAR RUTHTON MINNESOTA OR 15 NORTHEAST OF PIPESTONE. THIS LINE OF INTENSE THUNDERSTORMS WAS PART OF LARGER AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED SOUTH CENTRAL SOUTH DAKOTA IN SOUTHWEST MINNESOTA. THE INTENSE THUNDERSTORMS ALONG THIS LINE ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN AND HAIL. INDIVIDUAL THUNDERSTORMS IN THIS LINE WERE MOVING NORTHEAST AT 20 MPH WHILE THE ENTIRE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING EAST AT 10 MPH. PERSONS IN SOUTH CENTRAL AND SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA ESPECIALLY THOSE LIVING NEAR SMALL STREAMS AND RIVERS SHOULD BE ALERT TO THE POSSIBLITY OF FLOODING AND MOVE IMMEDIATELY TO HIGHER GROUND IF FLOODING OCCURS. FLASH FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR PARTS OF SOUTHWEST MINNESOTA AND WITH THE THUNDERSTORMS CONTINUING TO MOVE INTO THIS AREA THE FLOODING THAT IS ALREADY OCCURING WILL ONLY BECOME WORSE. PERSONS LIVING IN LYON COUNTY MINNESOTA SHOULD SEEK HIGHER GROUND NOW. PERSONS IN LINCOLN COUNTY MINNESOTA SHOULD BE ESPECIALLY ALERT FOR RISING WATER AND IF FLOODING IS EXPERIENCED MOVE IMMEDIATELY TO HIGH>ER GROUND. DO NOT CROSS FLOODED ROADS AS YOUR VEHICLE MAY BE WASHED AWAY AND BECOME A DEATH TRAP. BEHREND
Special weather statement, Jun 17, 1:05 AM CDT, 4 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-170715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 105 AM CDT THU JUN 17 1993 ...THE SEVERE THUNDERSTORM WATCH FOR OBRIEN COUNTY HAS EXPIRED... AT 1 AM CDT AN ISOLATED THUNDERSTORM WAS 40 MILES NORTHWEST OF SIOUX CITY NEAR ALCESTER SOUTH DAKOTA. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. MORE THUNDERSTORMS ARE LIKELY TO DEVELOP ACROSS THE NORTH PART OF THE SIOUXLAND AREA DURING THE PREDAWN HOURS. WHILE SEVERE WEATHER IS NOT EXPECTED...LOCALLY HEAVY RAIN WILL BE POSSIBLE. DROZD
Special weather statement, Jun 17, 1:05 AM CDT, 4 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-170715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 105 AM CDT THU JUN 17 1993 ...THE SEVERE THUNDERSTORM WATCH FOR OBRIEN COUNTY HAS EXPIRED... AT 1 AM CDT AN ISOLATED THUNDERSTORM WAS 40 MILES NORTHWEST OF SIOUX CITY NEAR ALCESTER SOUTH DAKOTA. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. MORE THUNDERSTORMS ARE LIKELY TO DEVELOP ACROSS THE NORTH PART OF THE SIOUXLAND AREA DURING THE PREDAWN HOURS. WHILE SEVERE WEATHER IS NOT EXPECTED...LOCALLY HEAVY RAIN WILL BE POSSIBLE. DROZD
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 9:04 PM CDT | Flash Flood Warning | FSD | Lyon | 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.