Alert archive / Minnesota / Flash Flood Warnings in 1993

Flash Flood Warning 7, NWS Sioux Falls, SD

June 29, 19934 counties in Minnesota

NWS Sioux Falls, SD issued this flash flood warning at Jun 29, 1993, 3:49 PM CDT for 4 counties in Minnesota. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 29, 1993, 3:49 PM CDT (20:49 UTC)
Expired
Jun 29, 1993, 6:45 PM CDT
In force
3 hr
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 8.8 hours before the alert went out and 221 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1993-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1993-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFSD 292051
FFWFSD
MNC101-105-117-133-SDC101-292345-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
349 PM CDT TUE JUN 29 1993
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MINNESOTA
 
   ...MURRAY COUNTY...NOBLES COUNTY...PIPESTONE COUNTY
   ...ROCK COUNTY
 
IN EAST CENTRAL SOUTH DAKOTA
 
   ...MOODY COUNTY
 
HEAVY RAIN HAS BEEN REPORTED OVER MOST OF SOUTHWEST MINNESOTA AND MOODY
COUNTY OF SOUTHEAST SOUTH DAKOTA. STREET FLOODING WAS REPORTED AT
PIPESTONE. SINCE THE GROUND IS ALREADY SATURATED OVER THESE AREAS...
CREEK AND RIVER FLOODING IS LIKELY. RAINFALL ANOUNTS BETWEEN 1 AND 3
INCHES FELL OVER THE AREA WITHIN A SHORT PERIOD OF TIME.
 
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 ONE...ON FOOT.
 
MENTZER

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 29, 2:48 PM CDT, 1 hour 1 minute before
SDZ018-292030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
245 PM CDT TUE JUN 29 1993

...A TORNADO WATCH IS IN EFFECT UNTIL 5 PM CDT...

AT 245 PM CDT...A LINE OF THUNDERSTORMS WAS DEVELOPING OVER PARTS OF
SOUTHWEST MINNESOTA AND NORTHWEST IOWA.  THE LINE OF STORMS EXTENDED FROM
SOUTH OF LUVERNE MN THROUGH SIOUX CENTER IA.  THESE STORMS ARE CAPABLE OF
PRODUCING HAIL...STRONG WINDS...HEAVY RAIN AND DANGEROUS LIGHTNING.

THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR...AND SHOULD PASS OVER
GEORGE IOWA...HULL IOWA ANDELLSWORTH MN BY 300 PM.

IF YOU ARE IN THE PATH OF THESES STORMS BE PREPARED TO GO TO SHELTER QUICKLY.
THESE STORMS ARE CONTINUING TO DEVELOP AND MAY REQ.UIRE A WARNING SOON.
STAY TUNED TO THIS STATION FOR ANY FURTHER STATEMENTS OR WARNINGS.

EDDY
Special weather statement, Jun 29, 3:06 PM CDT, 43 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
306 PM CDT TUE JUN 29 1993

...STRONG THUNDERSTORMS WERE MOVING INTO OBRIEN COUNTY...

AT 305 PM STRONG THUNDERSTORMS WERE 55 MILES NORTHWEST OF SIOUX CITY
OR JUST WEST OF SHELDON IOWA. THEY WILL MOVE EAST AT 25 MILES AN
HOUR...PASSING THROUGH SHELDON AND SANBORN AND REACHING HARTLEY
AROUND 345 PM. HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY
THOSE STORMS.

PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY
TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES
IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA.

J QUINN
Special weather statement, Jun 29, 3:07 PM CDT, 42 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
306 PM CDT TUE JUN 29 1993

...STRONG THUNDERSTORMS WERE MOVING INTO OBRIEN COUNTY...

AT 305 PM STRONG THUNDERSTORMS WERE 55 MILES NORTHWEST OF SIOUX CITY
OR JUST WEST OF SHELDON IOWA. THEY WILL MOVE EAST AT 25 MILES AN
HOUR...PASSING THROUGH SHELDON AND SANBORN AND REACHING HARTLEY
AROUND 345 PM. HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY
THOSE STORMS.

PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY
TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES
IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA.

J QUINN
Special weather statement, Jun 29, 3:36 PM CDT, 13 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
336 PM CDT TUE JUN 29 1993

...STRONG THUNDERSTORMS WERE MOVING THROUGH OBRIEN COUNTY...

AT 335 PM STRONG THUNDERSTORMS WERE 60 MILES NORTHWEST OF SIOUX CITY
OR NEAR ARCHER IOWA. THEY WERE MOVING EAST AT 25 MILES AN HOUR.
PRIMGHAR...ARCHER AND HARTLEY CAN EXPECT HEAVY RAIN...DANGEROUS
LIGHTNING...GUSTY WIND AND SMALL HAIL FROM THESE STORMS UNTIL 4 PM.

PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY
TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES
IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA.

J QUINN
Special weather statement, Jun 29, 3:38 PM CDT, 11 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
336 PM CDT TUE JUN 29 1993

...STRONG THUNDERSTORMS WERE MOVING THROUGH OBRIEN COUNTY...

AT 335 PM STRONG THUNDERSTORMS WERE 60 MILES NORTHWEST OF SIOUX CITY
OR NEAR ARCHER IOWA. THEY WERE MOVING EAST AT 25 MILES AN HOUR.
PRIMGHAR...ARCHER AND HARTLEY CAN EXPECT HEAVY RAIN...DANGEROUS
LIGHTNING...GUSTY WIND AND SMALL HAIL FROM THESE STORMS UNTIL 4 PM.

PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY
TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES
IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA.

J QUINN
Special weather statement, Jun 29, 3:47 PM CDT, 2 minutes before
IAZ001-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 PM CDT TUE JUN 29 1993

...A TORNADO WTCH IS IN EFFECT FOR SOUTHERN SOUTH DAKOTA UNTIL 5 PM CDT...

AT 340 PM CDT A STRONG THUNDERSTORM WAS LOCATED IN OSCEOLA COUNTY IN
NORTHWEST IOWA NEAR THE COMMUNITY OF SIBLEY. THIS THUNDERSTORM WAS MOVING
TO THE EAST AT 20 MILES AN HOUR AND MAY PRODUCE HAIL...GUSTY SURFACE WINDS
...VERY HEAVY RAIN...AND DANGEROUS LIGHTNING. AT 330 PM CDT THE SHERIFFS
DEPARTMENT AT SIBLEY REPORTED A FUNNEL CLOUD ASSOCIATED WITH THIS STORM.

PERSONS IN OSCEOLA COUNTY INCLUDING THE COMMUNITY OF SIBLEY AND OCHEYEDAN
SHOULD BE ON THE LOOKOUT FOR THIS STORM UNTIL 430 PM CDT. STAY TUNED TO
YOUR LOCAL TV OR RADIO STATION FOR FURTHER STATEMENTS AND POSSIBLE WARN-
INGS.

BUSS

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 2:33 PM CDTSevere Thunderstorm WarningFSDRock27 min
Jun 29, 3:04 PM CDTSevere Thunderstorm WarningFSDPipestone26 min
Jun 29, 3:08 PM CDTSevere Thunderstorm WarningFSDNobles52 min
Jun 29, 4:07 PM CDTSevere Thunderstorm WarningFSDNobles, Rock38 min
Jun 29, 6:30 PM CDTFlash Flood WarningFSDPipestone, Rock3 hr
Jun 29, 6:30 PM CDTFlash Flood WarningFSDNobles3 hr
Jun 29, 6:30 PM CDTFlash Flood WarningFSDMurray3 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.