Alert archive / Minnesota / Flash Flood Warnings in 1997
Flash Flood Warning 14, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jun 24, 1997, 4:34 AM CDT for Clearwater County, Polk County, Minnesota. 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
- Jun 24, 1997, 4:34 AM CDT (09:34 UTC)
- Expired
- Jun 24, 1997, 7:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Clearwater County, MN, Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 109 km from the middle of the area, began a volume at 09:34 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
International Fa, MN (KINL), launched 00:00Z, 9.6 hours before the alert went out and 216 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.
- Mixed-layer CAPE
- 141 J/kg
- Mixed-layer CIN
- -442 J/kg
- Mixed-layer LCL
- 601 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 240935 FFWFAR MNC029-119-241230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 434 AM CDT TUE JUN 24 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST MINNESOTA ...NORTHERN CLEARWATER COUNTY...EASTERN POLK COUNTY AT 430 AM...RADAR INDICATED A LINE OF HEAVY THUNDERSTORMS CONTINUE TO MOVE OVER EASTERN POLK AND NORTHERN CLEAR WATER COUNTY. DOPPLER RADAR ESTIMATES 3 TO 6 INCHES OF RAIN SINCE MIDNIGHT IN THIS AREA. THE AIRPORT IN FOSSTON HAS REPORT 2 INCHES RAIN IN THREE HOURS. WITH MORE HEAVY RAIN EXPECTED THROUGH 630 AM...WATER WILL BEGIN TO WASH OVER LOW SPOTS IN ROADWAYS AND OVERFLOW DITCHES. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT CROSS BRIDGES...DIPS OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM ON FOOT...EVEN A SMALL ONE. SCHUMACHER
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.
NWS Grand Forks, ND wrote its last area forecast discussion before this flash flood warning went out at Jun 24, 3:02 AM CDT, 1 hour 32 minutes earlier.
Area forecast discussion, Jun 24, 3:02 AM CDT, 1 hour 32 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 250 PM CDT TUE JUN 24 1997 ANOTHER NIGHT WITH PULSE SVR WEATHER AND HEAVY RAIN SO NOT A LOT OF TIME TO LOOK AT MODELS. IN NEAR TERM...CONCERN IS HEAVY RAIN AND TRAINING ECHOES OVER NW MN AND SVR CONVECTION OVR NC SD. WITH VERY UNSTABLE AIR IN PLACE AND BNDERY NEARBY...CONVECTION WL BE SLOW TO DIE OFF OVR NW MN TODAY AND WL LIKELY CARRY PAST 12Z AS CELLS EXTEND BACK INTO SE ND. SO WUD KEEP TSRA WITH HVY RAIN INTO NW MN COUNTIES FOR EARLY MORNING. FOR SE ND...WL BE BREAK IN CONVECTIONS UNTIL SVR CONVECTION (OR WHAT/S LEFT OF IT) REACH AREA AROUND DAWN. WITH LARGE INSTABILITY AND STRONG MSTR CONV...TSRA AND SHRA LIKELY TO CONTINUE INTO MORNING OVR SOUTHEAST. MODELS BRING STR H5 WAVE ACRS CWA TODAY WITH CWA IN RRQ OF JET. AT SFC...LW PUSHES INTO NE MN BY 00Z. WITH STRONG UPPER DYNAMICS...AMPLE LOW LEVEL MOISTURE AND STRONG FRONTAL BOUNDARY...SHRA AND TSRA LIKLEY ACRS WC MN LATE MORNING INTO AFTERNOON WITH HEAVY RAIN AGAIN PSBL. SHRA AND MORE ISOLATED CONVECTION FOR NE ND. FOR DVL...MAINLY SHRA DIMINISHING DURING THE AFTERNOON. SUGGESTIONS... BIS...WRKZFP LOOK GOOD...ONLY SUGGESTIONS WOULD BE TO GO CATEGORICAL IN SE ND. MSP...HCO/CKN/TVF/ROX/BDE...MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS. HIGH IN THE MID 70S. WIND NORTH AT 10 TO 15. CHANCE OF RAIN IS 90 PERCENT. FSE/BJI...CLOUDY WITH THUNDERSTORMS. RAIN HEAVY AT TIMES. WIND EAST AT 15 TO 15 BECOMING NORTH THIS AFTENNOON. CHANCE OF RAIN IS NEAR 100 PERCENT. DTL/PKD/FFM...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS DEVELOPING LATE THISh MORNING. RAIN MAY BE HEAVY AT TIMES. HIGH AROUND 80. WIND SOUTHEAST AT 5 TO 15 BECOMING NORTH THIS AFTERNOON. CHANCE OF RAIN IS 80 PERCENT. ANY COMMENTS...QUESTIONS...PLEASE CALL. SCHUMACER
In the hours before
Special weather statement, Jun 24, 3:51 AM CDT, 43 minutes before
MNZ001-002-007>009-013>017-022>024-032-NDZ027-240930- SPECIAL WEATHER STATEMENT...CORRECTED.... NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 337 AM CDT TUE JUN 24 1997 ...A SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR NORTHEAST NORTH DAKOTA AND PORTIONS OF NORTHWEST MINNESOTA... ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 AM CDT FOR SOUTHEAST NORTH DAKOTA AND PORTIONS OF NORTHWEST AND WEST CENTRAL MINNESOTA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR GRAND FORKS...POLK...MARSHALL...PENNINGTON...RED LAKE...BELTRAMI... NORMAN...MAHNOMEN...CLEARWATER...HUBBARD...AND WADENA COUNTIES. STRONG THUNDERSTORMS REMAIN OVER PORTIONS OF THIS AREA WITH HEAVY RAIN LIKELY FOR THE NEXT COUPLE OF HOURS. HOWEVER...THE THREAT OF SEVERE WEATHER HAS ENDED. THE COUNTIES WHICH REMAIN IN THE SEVERE THUNDERSTORM WATCH UNTIL 5 AM ARE AS FOLLOWS: IN NORTH DAKOTA: GRIGGS...STEELE...TRAILL...BARNES...CASS...RANSOM...SARGENT...RICHLAND IN MINNESOTA:. CLAY...OTTER TAIL...BECKER...WILKIN SCHUMACHER
Special weather statement, Jun 24, 4:00 AM CDT, 34 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-251200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 400 AM CDT TUE JUN 24 1997 ...THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE SOUTHERN RED RIVER VALLEY TODAY... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS SOUTH OF A LINE FROM VALLEY CITY TO PARK RAPIDS FOR TODAY. THE SEVERE WEATHER THREAT WILL BE STRONG WINDS AND LARGE HAIL. A FRONT EXTENDED ACROSS SOUTHEAST NORTH DAKOTA INTO NORTHWEST MINNESOTA THIS MORNING. DEW POINTS AROUND 70 DEGREES WERE ALONG AND SOUTH OF THE FRONT. THIS FRONT IS EXPECTED TO MOVE EASTWARD AND BE EAST OF WADENA AND BEMIDJI BY THIS EVENING. THUNDERSTORMS WILL DEVELOP ALONG AND NORTH OF THIS FRONT THROUGHOUT TODAY. STORMS ACROSS THE NORTHERN VALLEY ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS AS CONVECTION EARLY THIS MORNING HAS STABILIZED THE ATMOSPHERE. HOWEVER...MUCH OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA HAS REMAINED RAIN FREE SO THAT THE ATMOSPHERE REMAINS VERY UNSTABLE. STRONG THUNDERSTORMS OVER SOUTH DAKOTA ARE FORECAST TO MOVE TOWARD THIS AREA THIS MORNING. AN ISOLATED SEVERE STORM IS POSSIBLE OVER SOUTHEAST NORTH DAKOTA. STORMS WILL DEVELOP ACROSS WEST CENTRAL MINNESOTA LATE THIS MORNING AND THIS AFTERNOON. AN ISOLATED SEVERE STORM IS AGAIN POSSIBLE. ONCE THE FRONT MOVES EAST OF THE REGION LATE THIS AFTERNOON...THE THREAT FOR SEVERE WEATHER WILL END AS MORE STABLE AIR BEGINS TO PUSH INTO THE REGION. HOWEVER...HEAVY RAIN WILL REMAIN POSSIBLE THROUGH EARLY TONIGHT. THE HEAVY RAIN COULD CAUSE LOCAL FLOODING ONCE AGAIN ACROSS THE ENTIRE RED RIVER VALLEY. THE HAZARDOUS WEATHER OUTLOOK WILL BE UPDATED LATER TODAY IF CONDITIONS CHANGE. SCHUMACHER
Special weather statement, Jun 24, 4:10 AM CDT, 24 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-251200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 400 AM CDT TUE JUN 24 1997 ...THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE SOUTHERN RED RIVER VALLEY TODAY... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS SOUTH OF A LINE FROM VALLEY CITY TO PARK RAPIDS FOR TODAY. THE SEVERE WEATHER THREAT WILL BE STRONG WINDS AND LARGE HAIL. A FRONT EXTENDED ACROSS SOUTHEAST NORTH DAKOTA INTO NORTHWEST MINNESOTA THIS MORNING. DEW POINTS AROUND 70 DEGREES WERE ALONG AND SOUTH OF THE FRONT. THIS FRONT IS EXPECTED TO MOVE EASTWARD AND BE EAST OF WADENA AND BEMIDJI BY THIS EVENING. THUNDERSTORMS WILL DEVELOP ALONG AND NORTH OF THIS FRONT THROUGHOUT TODAY. STORMS ACROSS THE NORTHERN VALLEY ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS AS CONVECTION EARLY THIS MORNING HAS STABILIZED THE ATMOSPHERE. HOWEVER...MUCH OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA HAS REMAINED RAIN FREE SO THAT THE ATMOSPHERE REMAINS VERY UNSTABLE. STRONG THUNDERSTORMS OVER SOUTH DAKOTA ARE FORECAST TO MOVE TOWARD THIS AREA THIS MORNING. AN ISOLATED SEVERE STORM IS POSSIBLE OVER SOUTHEAST NORTH DAKOTA. STORMS WILL DEVELOP ACROSS WEST CENTRAL MINNESOTA LATE THIS MORNING AND THIS AFTERNOON. AN ISOLATED SEVERE STORM IS AGAIN POSSIBLE. ONCE THE FRONT MOVES EAST OF THE REGION LATE THIS AFTERNOON...THE THREAT FOR SEVERE WEATHER WILL END AS MORE STABLE AIR BEGINS TO PUSH INTO THE REGION. HOWEVER...HEAVY RAIN WILL REMAIN POSSIBLE THROUGH EARLY TONIGHT. THE HEAVY RAIN COULD CAUSE LOCAL FLOODING ONCE AGAIN ACROSS THE ENTIRE RED RIVER VALLEY. THE HAZARDO>US WEATHER OUTLOOK WILL BE UPDATED LATER TODAY IF CONDITIONS CHANGE. SCHUMACHER
Special weather statement, Jun 24, 4:20 AM CDT, 14 minutes before
MNZ003-027>031-040-NDZ039-053-241015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 420 AM CDT TUE JUN 24 1997 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR WEST CENTRAL MINNESOTA AND PORTIONS OF SOUTHEAST NORTH DAKOTA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR BECKER...OTTER TAIL...CLAY AND WILKIN COUNTIES IN MINNESOTA AND CASS...GRIGGS... STEELE...RICHLAND...AND TRAILL COUNTIES IN NORTH DAKOTA. STRONG THUNDERSTORMS WITH HEAVY RAIN REMAIN POSSIBLE OVER THIS AREA THIS MORNING. HOWEVER...THE THREAT FOR SEVERE WEATHER HAS ENDED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR BARNES...RANSOM AND SARGENT COUNTIES IN NORTH DAKOTA UNTIL 7 AM. SCHUMACHER
Special weather statement, Jun 24, 4:20 AM CDT, 14 minutes before
MNZ003-027>031-040-NDZ039-053-241015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 420 AM CDT TUE JUN 24 1997 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR WEST CENTRAL MINNESOTA AND PORTIONS OF SOUTHEAST NORTH DAKOTA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR BECKER...OTTER TAIL...CLAY AND WILKIN COUNTIES IN MINNESOTA AND CASS...GRIGGS... STEELE...RICHLAND...AND TRAILL COUNTIES IN NORTH DAKOTA. STRONG THUNDERSTORMS WITH HEAVY RAIN REMAIN POSSIBLE OVER THIS AREA THIS MORNING. HOWEVER...THE THREAT FOR SEVERE WEATHER HAS ENDED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR BARNES...RANSOM AND SARGENT COUNTIES IN NORTH DAKOTA UNTIL 7 AM. SCHUMACHER
Special weather statement, Jun 24, 4:22 AM CDT, 12 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-251200- HAZARDOUS WEATHER OUTLOOK...CORRECTED TO CHANGE TITLE... NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 420 AM CDT TUE JUN 24 1997 ...AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE ACROSS THE SOUTHERN RED RIVER VALLEY TODAY... ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE SOUTH OF A LINE FROM VALLEY CITY TO PARK RAPIDS FOR TODAY. THE SEVERE WEATHER THREAT WILL BE STRONG WINDS AND LARGE HAIL. A FRONT EXTENDED ACROSS SOUTHEAST NORTH DAKOTA INTO NORTHWEST MINNESOTA THIS MORNING. DEW POINTS AROUND 70 DEGREES WERE ALONG AND SOUTH OF THE FRONT. THIS FRONT IS EXPECTED TO MOVE EASTWARD AND BE EAST OF WADENA AND BEMIDJI BY THIS EVENING. THUNDERSTORMS WILL DEVELOP ALONG AND NORTH OF THIS FRONT THROUGHOUT TODAY. STORMS ACROSS THE NORTHERN VALLEY ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS AS CONVECTION EARLY THIS MORNING HAS STABILIZED THE ATMOSPHERE. HOWEVER...MUCH OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA HAS REMAINED RAIN FREE SO THAT THE ATMOSPHERE REMAINS VERY UNSTABLE. STRONG THUNDERSTORMS OVER SOUTH DAKOTA ARE FORECAST TO MOVE TOWARD THIS AREA THIS MORNING. AN ISOLATED SEVERE STORM IS POSSIBLE OVER SOUTHEAST NORTH DAKOTA. STORMS WILL DEVELOP ACROSS WEST CENTRAL MINNESOTA LATE THIS MORNING AND THIS AFTERNOON. AN ISOLATED SEVERE STORM IS AGAIN POSSIBLE. ONCE THE FRONT MOVES EAST OF THE REGION LATE THIS AFTERNOON...THE THREAT FOR SEVERE WEATHER WILL END AS MORE STABLE AIR BEGINS TO PUSH INTO THE REGION. HOWEVER...HEAVY RAIN WILL REMAIN POSSIBLE THROUGH EARLY TONIGHT. THE HEAVY RAIN COULD CAUSE LOCAL FLOODING ONCE AGAIN ACROSS THE ENTIRE RED RIVER nVALLEY. THE HAZARDOUS WEATHER OUTLOOK WILL BE UPDATED LATER TODAY IF CONDITIONS CHANGE. SCHUMACHER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 10:45 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 30 min |
| Jun 23, 11:34 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 26 min |
| Jun 24, 12:04 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 26 min |
| Jun 24, 12:30 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 30 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.