Alert archive / Minnesota / Flash Flood Warnings in 1993
Flash Flood Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 16, 1993, 9:04 PM CDT for Lyon County, Minnesota. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1993, 9:04 PM CDT (02:04 UTC)
- Expired
- Jun 17, 1993, 1:00 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, 2.1 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 170204 FFWFSD MNC083-170600- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 904 PM CDT WED JUN 16 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...LYON COUNTY AT 855 PM CDT UP TO 3 INCHES OF RAIN HAVE BEEN REPORTED AT MARSHALL MINNESOTA IN SOUTHWEST MINNESOTA SINCE 7 PM CDT. FLOODING OF STREETS AND BASEMENTS HAVE ALSO BEEN REPORTED IN MARSHALL. RAINFALL OF 2.3 INCHES WAS REPORTED 6 MILES WEST AND 2 MILES SOUTH OF COTTONWOOD MINNESOTA OR ABOUT 9 MILES NORTHEAST OF MARSHALL. ESTIMATES OF AROUND 3 INCHES OF RAINFALL HAVE BEEN MADE IN LYON COUNTY WITH VERY HEAVY RAIN CONTINUING. RADAR ALSO INDICATES THAT THUNDERSTORMS ARE NEARLY STATIONARY OVER LYON COUNTY WHICH WILL ONLY MAKE THE FLOODING PROBLEMS WORSE. IF FLOODING IS EXPERIENCED MOVE IMMEDIATELY TO HIGHER GROUND. DO NOT DRIVE ACROSS FLOODED ROADS AS YOUR VEHICLE MAY BE WASHED AWAY AND BECOME A DEADLY TRAP. A FLASH FLOOD WARNING MEANS FLASH FLOODING IS OCCURING OR IS IMMINENT. ACT QUICKLY TO SAVE YOURSELF. GET OUT OF LOWLAND AREAS SUBJECT TO FLhOODING. AVOID ALREADY FLOODED AREAS. CAMPERS ALONG STREAMS AND SMALL RIVERS SHOULD MOVE TO HIGHER GROUND. 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
Local storm report, Jun 16, 7:30 PM CDT, 1 hour 34 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
730 PM CDT WED JUN 16 1993
STORM DATA FOR TUESDAY JUNE 22 1993
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
.......................................................................
335 PM CDT LYON CO...MN WIND GUST BLEW SHED DOWN AND
MOVED FEED WAGON W CNTRL LYON
CO NEAR COUNTY LINE.
635 PM CDT MELLETTE CO...SD FUNNEL CLOUD REPORTED BETWEEN
WHITE RIVER AND PARMELEE
715 PM CDT COTTONWOOD...MOUNTAIN LAKE HEAVY HAIL...A LITTLE SMALLER
MN THAN GOLF BALL SIZE.
WILLIAMSLocal storm report, Jun 16, 8:07 PM CDT, 57 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
807 PM CDT WED JUN 16 1993
STORM DATA FOR WEDNESDAY JUNE 16 1993
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
.......................................................................
700 PM CDT LYON CO...MARSHALL MN MARBLE SIZE AND LARGER HAIL
SOUTH SIDE OF MARSHALL
705 PM CDT LYON CO...MARSHALL MN GOLFBALL SIZE HAIL IN MARSHALL
715 PM CDT BROOKINGS CO... DIME SIZE AND LARGER HAIL
3S 10W BROOKINGS SD
DIRCKSENLocal storm report, Jun 16, 8:09 PM CDT, 55 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
807 PM CDT WED JUN 16 1993
STORM DATA FOR WEDNESDAY JUNE 16 1993
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
.......................................................................
700 PM CDT LYON CO...MARSHALL MN MARBLE SIZE AND LARGER HAIL
SOUTH SIDE OF MARSHALL
705 PM CDT LYON CO...MARSHALL MN GOLFBALL S
IZE HAIL IN MARSHALL
715 PM CDT BROOKINGS CO... DIME SIZE AND LARGER HAIL
3S 10W BROOKINGS SD
DIRCKSENThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 1:09 AM 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.