Alert archive / Minnesota / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Grand Forks, ND

April 5, 1997Wilkin County, Minnesota; Richland County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Apr 5, 1997, 3:28 PM CST for Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 5, 1997, 3:28 PM CST (21:28 UTC)
Expired
Apr 5, 1997, 6:30 PM CST
In force
3 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties

Counties Wilkin County, MN, Richland County, ND

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.5 hours before the alert went out and 205 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 12:00Z on 1997-04-05Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 1997-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.1939587897117136Sfc1 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
479 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
290 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 KFAR 052138 COR
FFWFAR
MNC167-NDC077-060030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
328 PM CST SAT APR 5 1997

THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL MINNESOTA

   ...WILKIN COUNTY


IN SOUTHEAST NORTH DAKOTA

   ...RICHLAND COUNTY

AT 320 PM CST...DOPPLER RADAR CONTINUED TO INDICATE AN AREA OF ENHANCED
PRECIPITATION MOVING NORTH AT 25 MPH ACROSS RICHLAND AND WILKIN
COUNTIES. TOTAL PRECIPITATION SO FAR TODAY HAS BEEN OVER 1 INCH WITH
ANOTHER 1/2 INCH OF RAINFALL EXPECTED BY 6 PM AND ADDITIONAL RAINFALL
INTO THE EVENING.

THE CITIES OF WAHPETON AND BRECKENRIDGE ARE EXPERIENCING FLOODING DUE TO
THIS RAINFALL.  AS OF THIS TIME...NO BREACHES OF DIKES HAVE BEEN
REPORTED ALONG THE RIVERS.  A SEVEN BLOCK AREA OF WAPHETON IS CURRENTLY
UNDER WATER WITH NUMEROUS ROADS REPORTED UNDER WATER IN BOTH WAHPETON
AND BRECKENRIDGE.

CITY OFFICIALS URGE ALL RESIDENTS OF WAHPETON AND BRECKENRIDGE
TO STOP WATER USAGE AND TO PLUG THEIR SEWER DRAINS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

&
NG

Nearby

Flash Flood Warnings in Minnesota, 1997Flash Flood Warnings in North Dakota, 1997Every flash flood warning in 1997

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.