Alert archive / Minnesota / Flash Flood Warnings in 1995

Flash Flood Warning 1, NWS Twin Cities, MN

July 4, 1995Lac qui Parle County, Swift County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 4, 1995, 12:58 AM CDT for Lac qui Parle County, Swift County, Minnesota. It was in force for 92 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 12:58 AM CDT (05:58 UTC)
Expired
Jul 4, 1995, 2:30 AM CDT
In force
92 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Lac qui Parle County, MN, Swift County, MN

The radar

The Sioux Falls radar (KFSD), 184 km from the middle of the area, began a volume at 06:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 6.0 hours before the alert went out and 196 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, Aberdeen, SD at 00:00Z on 1995-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1633 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 1995-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
1633 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1497 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 040559
FFWMSP
MNC073-151-040730-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1258 AM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL MINNESOTA
 
   ...EASTERN LAC QUI PARLE COUNTY...EASTERN AND SOUTHERN SWIFT COUNTY
 
HEAVY RAINS CONTINUE DEVELOP AND MOVE ACROSS LAC QUI PARLE INTO WESTERN
CHIPPEWA AND SOUTHERN SWIFT COUNTY OF WEST CENTRAL MINNESOTA. THE
HEAVIEST RAINS WERE LOCATED FROM MADISON TO MILAN TO BENSON...OR 20
MILES WEST TO 25 MILES NORTH OF MONTIVIDEO. FIVE TO EIGHT INCHES OF RAIN
HAVE FALLEN ACROSS THIS AREA AND DOPPLER RADAR INDICATES THAT ANOTHER
TWO TO THREE INCHES ARE POSSIBLE BY 230 AM.
 
FLOOD WATERS ARE EXTREMELY DANGEROUS.  DRIVING THROUGH HIGH WATER
IS THE WORST THING YOU CAN DO.  TWO FEET OF MOVING WATER IS
ENOUGH TO CARRY AWAY MOST CARS.  IF YOUR CAR BECOMES STALLED
IN HIGH WATER...ABANDON IT IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 7:36 PM CDTSevere Thunderstorm WarningMPXSwift39 min
Jul 3, 8:50 PM CDTSevere Thunderstorm WarningMPXSwift25 min

Nearby

Flash Flood Warnings in Minnesota, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.