Alert archive / Minnesota / Flash Flood Warnings in 1993

Flash Flood Warning 13, NWS Twin Cities, MN

June 17, 19934 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 17, 1993, 4:24 AM CDT for 4 counties in Minnesota. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 17, 1993, 4:24 AM CDT (09:24 UTC)
Expired
Jun 17, 1993, 7:00 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Dodge County, MN, Rice County, MN, Steele County, MN, Waseca County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 9.4 hours before the alert went out and 88 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 00:00Z on 1993-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1993-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 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
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

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 170930 COR
FFWRST
MNC013-015-079-103-131-147-161-039-049-109-157-169-171200-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
424 AM CDT THU JUN 17 1993

THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
FLASH FLOOD WARNING         EFFECTIVE UNTIL  700 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL MINNESOTA

   ...BLUE EARTH COUNTY...BROWN COUNTY...LE SUEUR COUNTY
   ...NICOLLET COUNTY...RICE COUNTY...STEELE COUNTY...WASECA COUNTY

IN SOUTHEAST MINNESOTA

   ...DODGE COUNTY...GOODHUE COUNTY...OLMSTED COUNTY
   ...WABASHA COUNTY...WINONA COUNTY
SINCE 400AM THERE HAVE BEEN NUMEROUS REPORTS OF FLOODING ACROSS A MAJOR
PORTION OF SOUTH CENTRAL AND SOUTHEAST MINNESOTA.

A FEW REPORTS INCLUDED A POOL OF WATER 6 FEET DEEP COVERING HIGHWAY
19 NEAR LITTLE CHICAGO IN NORTHERN RICE COUNTY. LARGE BOULDERS AND WATER
COVERING MANY ROADS NEAR MILFORD TOWNSHIP IN BROWN COUNTY. MUDSLIDES IN
WABASHA AND WESTERN NICOLLET COUNTIES. WAIST DEEP WATER IN RICE COUNTY
WASHED A CAR A HALF MILE DOWN A ROAD. ROAD BLOCKS WERE BEING
DEPLOYED IN THE CITY OF MANKATO DUE TO STREET FLOODING. ALSO BASEMENTS
WERE BEING FLOODED IN LE CENTER AND MONTGOMERY OF LE SUEUR COUNTY.

THE RAINS ARE EXPECTED TO CONTINUE OVER THESE SAME AREAS THROUGH AT
LEAST 700AM THIS MORNING. IN SOME PLACES UP TO AN INCH OF RAIN AN HOUR
COULD FALL.

THIS IS A DANGEROUS SITUATION. AS MORE RAINS CONTINUE TO FALL UPON THE
ALREADY SATURATED SOILS OF SOUTHERN MINNESOTA THE FLOODING PROBLEMS ARE
SURE TO BECOME MORE NUMEROUS.

THIS FLASH FLOOD WARNING INCLUDES THE CITIES OF MANKATO...WASECA...
FARIBAULT...ROCHESTER...OWATONNA...NEW ULM...AND THE WHITEWATER STATE
PARK.
PEOPLE SHOULD STAY AWAY FROM FLOODED AREAS. DRIVERS SHOULD
AVOID WATER-FILLED UNDERPASSES OR INTERSECTIONS.  STAY OUT
OF BARRICADED AREAS. IF YOUR BASEMENT BECOMES FLOODED...
WATCH OUT FOR COLLAPSING WALLS.  KEEP CHILDREN AWAY FROM
STORM DRAIjNS AND CULVERTS.



&

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 7:14 PM CDTSevere Thunderstorm WarningMPXRedwood61 min
Jun 16, 7:18 PM CDTSevere Thunderstorm WarningMPXYellow Medicine42 min
Jun 16, 7:50 PM CDTSevere Thunderstorm WarningMPXChippewa40 min
Jun 16, 8:04 PM CDTSevere Thunderstorm WarningMPXRenville41 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXMeeker46 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXKandiyohi21 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXBenton, Stearns39 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXSherburne54 min
Jun 16, 9:06 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville39 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXMcLeod43 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXSibley118 min
Jun 16, 11:03 PM CDTFlash Flood WarningMPXRenville117 min
Jun 16, 11:46 PM CDTFlash Flood WarningMPXSibley2 hr
Jun 16, 11:46 PM CDTFlash Flood WarningMPXRedwood2 hr
Jun 16, 11:46 PM CDTFlash Flood WarningMPXMcLeod104 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXRedwood, Renville113 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXSibley113 min
Jun 17, 3:35 AM CDTFlash Flood WarningMPXGoodhue, Wabasha2 hr
Jun 17, 3:35 AM CDTFlash Flood WarningMPXRice2 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXBlue Earth, Brown, Le Sueur, Nicollet3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXGoodhue, Olmsted, Wabasha3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXWinona3 hr
Jun 17, 3:39 PM CDTSevere Thunderstorm WarningMPXHouston36 min

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.