Alert archive / Minnesota / Flash Flood Warnings in 1997

Flash Flood Warning 18, NWS Grand Forks, ND

June 28, 1997Wilkin County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 28, 1997, 12:21 PM CDT for Wilkin County, Minnesota. It was in force for 2 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
Jun 28, 1997, 12:21 PM CDT (17:21 UTC)
Expired
Jun 28, 1997, 2:30 PM CDT
In force
2 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 146 km from the middle of the area, began a volume at 17:21 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 12:00Z, 5.4 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, Aberdeen, SD at 12:00Z on 1997-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3944 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, Aberdeen, SD at 12:00Z on 1997-06-28The 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
3944 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 281723
FFWFAR
MNC167-281930-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1221 PM CDT SAT JUN 28 1997
 
THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MINNESOTA
 
   ...NORTHERN WILKIN COUNTY
 
INTENSE THUNDERSTORMS WITH TORRIENTIAL RAIN CONTINUE TO MOVE EAST ACROSS
NORTHERN WILKIN COUNTY. LATEST RADAR AND SATELLITE RAINFALL ESTIMATES
INDICATE THAT 2 TO 4 INCHES OF RAIN HAS FALLEN OVER NORTHERN WILKIN
COUNTY OVER THE PAST THREE HOURS.
 
AN ADDITIONAL ONE TO THREE INCHES OF RAIN IS POSSIBLE ACROSS THE AREA
INTO THE EARLY AFTERNOON.
 
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.  TO ESCAPE RISING WATER..X.MOVE TO HIGHER GROUND.
 
KENNEDY

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 7:04 PM CDTSevere Thunderstorm WarningFGFMarshall41 min
Jun 27, 7:27 PM CDTSevere Thunderstorm WarningFGFRoseau33 min
Jun 27, 7:32 PM CDTSevere Thunderstorm WarningFGFLake of the Woods28 min
Jun 27, 7:43 PM CDTSevere Thunderstorm WarningFGFMarshall47 min
Jun 27, 8:03 PM CDTSevere Thunderstorm WarningFGFBeltrami42 min
Jun 27, 8:49 PM CDTSevere Thunderstorm WarningFGFBeltrami26 min
Jun 27, 9:31 PM CDTSevere Thunderstorm WarningFGFBeltrami44 min
Jun 27, 10:11 PM CDTSevere Thunderstorm WarningFGFBeltrami49 min
Jun 27, 10:32 PM CDTSevere Thunderstorm WarningFGFMarshall28 min
Jun 27, 10:49 PM CDTSevere Thunderstorm WarningFGFClearwater26 min
Jun 27, 10:58 PM CDTSevere Thunderstorm WarningFGFBeltrami47 min
Jun 27, 11:15 PM CDTSevere Thunderstorm WarningFGFClearwater, Polk30 min
Jun 27, 11:48 PM CDTSevere Thunderstorm WarningFGFClearwater27 min
Jun 27, 11:54 PM CDTSevere Thunderstorm WarningFGFNorman36 min
Jun 28, 12:13 AM CDTSevere Thunderstorm WarningFGFClearwater, Mahnomen, Polk32 min
Jun 28, 12:32 AM CDTSevere Thunderstorm WarningFGFBeltrami, Hubbard28 min
Jun 28, 12:36 AM CDTSevere Thunderstorm WarningFGFNorman39 min
Jun 28, 12:44 AM CDTSevere Thunderstorm WarningFGFClearwater, Mahnomen, Polk31 min
Jun 28, 1:11 AM CDTFlash Flood WarningFGFClearwater, Mahnomen, Polk3 hr
Jun 28, 1:14 AM CDTSevere Thunderstorm WarningFGFClearwater, Mahnomen31 min
Jun 28, 1:29 AM CDTSevere Thunderstorm WarningFGFHubbard31 min
Jun 28, 1:45 AM CDTSevere Thunderstorm WarningFGFBecker30 min
Jun 28, 1:47 AM CDTSevere Thunderstorm WarningFGFNorman28 min
Jun 28, 2:13 AM CDTSevere Thunderstorm WarningFGFNorman32 min
Jun 28, 2:40 AM CDTSevere Thunderstorm WarningFGFMahnomen35 min
Jun 28, 2:54 AM CDTSevere Thunderstorm WarningFGFBecker36 min
Jun 28, 3:29 AM CDTSevere Thunderstorm WarningFGFBecker31 min
Jun 28, 9:16 AM CDTSevere Thunderstorm WarningFGFOtter Tail29 min
Jun 28, 9:31 AM CDTSevere Thunderstorm WarningFGFWilkin44 min
Jun 28, 9:47 AM CDTSevere Thunderstorm WarningFGFOtter Tail28 min
Jun 28, 10:12 AM CDTSevere Thunderstorm WarningFGFWilkin48 min
Jun 28, 10:21 AM CDTSevere Thunderstorm WarningFGFOtter Tail54 min
Jun 28, 11:00 AM CDTFlash Flood WarningFGFOtter Tail4 hr
Jun 28, 11:27 AM CDTSevere Thunderstorm WarningFGFWilkin33 min
Jun 28, 1:03 PM CDTSevere Thunderstorm WarningFGFOtter Tail27 min
Jun 28, 1:10 PM CDTSevere Thunderstorm WarningFGFWadena35 min

Nearby

Flash Flood Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.