Alert archive / Minnesota / Flash Flood Warnings in 1997
Flash Flood Warning 20, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 1, 1997, 7:17 PM CDT for Red Lake County, Minnesota. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1997, 7:17 PM CDT (00:17 UTC)
- Expired
- Jul 1, 1997, 9:15 PM CDT
- In force
- 118 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Red Lake County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 100 km from the middle of the area, began a volume at 00:18 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, 0.3 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.
- Mixed-layer CAPE
- 1091 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1256 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 020018 FFWFAR MNC125-020215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 717 PM CDT TUE JUL 1 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST MINNESOTA ...WESTERN RED LAKE COUNTY STRONG THUNDERSTORMS LOCATED OVER SOUTH CENTRAL RED LAKE COUNTY CONTINUE TO MOVE SLOWLY NORTHWEST ACROSS THE COUNTY. AT 710 PM THE STORMS WERE 5 MILES SOUTHEAST OF RED LAKE FALLS...OR 40 MILES EAST OF GRAND FORKS. DOPPLER RADAR RAINFALL ESTIMATES INDICATE THAT 2 TO 4 INCHES OF RAIN HAS FALLEN OVER THE PAST HOUR. PONDING OF WATER ON ROADWAYS AND RAPIDLY FILLING OR OVERSPILLING OF DITCHES IS LIKELY. PEOPLE ALONG THE THIEF RIVER AND THE BLACK RIVER WILL NEED TO WATCH FOR RISING WATER AND BE PREPARED TO MOVE TO HIGHER GROUND IF NEEDED. A FLASH FLOOD WARNING MEANS THAT0 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...MOVE TO HIGHER GROUND. KENNEDY
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 Jul 1, 2:15 PM CDT, 5 hours 2 minutes earlier.
Area forecast discussion, Jul 1, 2:15 PM CDT, 5 hours 2 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 215 PM CDT TUE JUL 1 1997 WL KEEP SHORT WITH CONVECTION FIRING ACRS AREA. FRONTAL BOUNDARY /THE ONE I EARLIER SAID WD REMAIN STATIONARY/ NOW SLOWLY MOVING NORTH WITH STG STHRLY FLOW AHEAD OF LOW. FRONT NOW XTNDS ROUGHLY FM JMS...TO GFK...TO ROX...WITH GFK DWPT SHOOTING UP FM 59 TO 65 IN ONE HOUR. KMVX 88D NOW SHOWING SOME STG CONVECTION FIRING UP OVER SOUTHEAST ND...JUST ALONG AND S OF THIS FNT. MODELS IN FAIRLY GOOD AGREEMENT WITH LOCATION/SPEED OF SYSTEM...BRINGING SFC LOW IN GENERAL VCNTY OF FSE/DTL BY 12Z. GIVEN TRACK OF SYSTEM...STILL THINK HVY PCPN LIKELY ACRS CWA WITH NRN HALF OF CWA RECEIVING MAJORITY OF PCPN FROM OVERRUNNING AND SRN HALF OF CWA RCVG MORE FM STG CONVECTION. REGARDLESS OF HOW PCPN FALLS...STILL EXPCT HIGH PCPN AMTS SO WL KEEP FLASH FLOOD WATCH IN PLACE THRU TONIGHT ACRS ENTR CWA. SUGGESTIONS FOR ND...KEEP FLASH FLOOD WATCH FOR ALL ND CWA. FOR DVL...WD INCLUDE PEMBINA AND WALSH IN THIS GROUP...FEEL NO MENTION OF SVR NEEDED. WINDY WITH SHOWERS AND TSTMS. VERY HEAVY RAIN AND FLOODING PSBL. GUSTY NORTHEAST WIND 15-30. LOW MID-UPR 50S. FOR GFK...WINDY WITH SHOWERS AND THUNDERSTORMS...SOME MAY BE SEVERE THIS EVENING. VERY HEAVY RAIN AND FLOODING PSBL. NORTHEAST WIND INCREASING TO 15 TO 30 MPH. LOW UPPR 50S-LOW 60S. FOR FAR...SAME AS GFK EXCPT WND BCMG NORTHEAST AND INCRG TO 15-30 MPH. LOW 60-65. SUGGESTIONS FOR MN...KEEP FLASH FLOOD WATCH FOR ALL MN CWA. BREAK OFF NRN PTN OF KITTSON...ROSEAU...L.O.W...MARSHALL. SHOWERS AND TSTMS /NO SVR MENTION/. VERY HEAVY RAIN POSSIBLE. WIND NORTHEAST 10 TO 20. LOWS 55-60. FOR RMDR...SHOWERS AND THUNDERSTORMS...SOME TSTMS PSBLY SEVERE THIS EVENING. WIND EAST-SE 10-20...LOWS 60-65. STRAGER
In the hours before
Local storm report, Jul 1, 6:00 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
600 PM CDT TUE JUL 01 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM MENTOR MN 1.00 INCH HAIL
07/01/97 POLK
BELLESSpecial weather statement, Jul 1, 6:02 PM CDT, 1 hour 15 minutes before
MNZ001>003-005-111-167-NDZ006>008-014>016-024-026>030-038-039-049- 052-053-020030- HIGH WIND WARNING...CORRECTION LINE 3 FOR BECKER AND OTTER TAIL CNTYS NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 602 PM CDT TUE JUL 1 1997 ...HIGH WINDS WERE OCCURING IN PARTS OF EASTERN NORTH DAKOTA... A HIGH WIND WARNING IS IN EFFECT UNTIL 730 PM FOR IN NORTH DAKOTA... CASS AND RICHLAND. COUNTIES IN MINNESTOA INCLUDE WILKIN...CLAY... WESTERN OTTER TAIL AND WESTERN BECKER COUNTIES. STRONG WINDS WILL OCCUR THROUGH 730 PM BEHIND A THUNDERSTORM COMPLEX THAT MOVED THROUGH THE AREA EARLIER THIS AFTERNOON. WINDS WILL LIKELY EXCEED 40 MPH FOR OVER AN HOUR AND MAY HAVE SOME GUSTS OVER 60 MPH. WAKE LOWS TYPICALLY FORM JUST TO THE REAR OF LARGE THUNDERSTORM COMPLEXES AND CAN PRODUCE A PERIOD OF RELATIVELY HIGH EAST TO SOUTHEAST WINDS GUSTING TO AROUND 40 MPH. UNLIKE A TYPICAL THUNDERSTORM GUST WHERE A FAIRLY SMALL AREA IS AFFECTED FOR ONLY A FEW MINUTES...WAKE LOWS CAN PRODUCE STRONG WINDS OVER A MUCH LARGER AREA FOR A LONGER PERIOD OF TIME. IF YOU HAVE LOOSE ITEMS OUTDOORS YOU MAY WANT TO SECURE THEM. SEEK SHELTER IF HIGH WINDS ARE OCCURRING IN YOUR AREA. HOPPES
Special weather statement, Jul 1, 6:03 PM CDT, 1 hour 14 minutes before
MNZ001>003-005-111-167-NDZ006>008-014>016-024-026>030-038-039-049- 052-053-020030- HIGH WIND WARNING...CORRECTION LINE 3 FOR BECKER AND OTTER TAIL CNTYS NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 602 PM CDT TUE JUL 1 1997 ...HIGH WINDS WERE OCCURING IN PARTS OF EASTERN NORTH DAKOTA... A HIGH WIND WARNING IS IN EFFECT UNTIL 730 PM FOR IN NORTH DAKOTA... CASS AND RICHLAND. COUNTIES IN MINNESTOA INCLUDE WILKIN...CLAY... WESTERN OTTER TAIL AND WESTERN BECKER COUNTIES. STRONG WINDS WILL OCCUR THROUGH 730 PM BEHIND A THUNDERSTORM COMPLEX THAT MOVED THROUGH THE AREA EARLIER THIS AFTERNOON. WINDS WILL LIKELY EXCEED 40 MPH FOR OVER AN HOUR AND MAY HAVE SOME GUSTS OVER 60 MPH. WAKE LOWS TYPICALLY FORM JUST TO THE REAR OF LARGE THUNDERSTORM COMPLEXES AND CAN PRODUCE A PERIOD OF RELATIVELY HIGH EAST TO SOUTHEAST WINDS GUSTING TO AROUND 40 MPH. UNLIKE A TYPICAL THUNDERSTORM GUST WHERE A FAIRLY SMALL AREA IS AFFECTED FOR ONLY A FEW MINUTES...WAKE LOWS CAN PRODUCE STRONG WINDS OVER A MUCH LARGER AREA FOR A LONGER PERIOD OF TIME. IF YOU HAVE LOOSE ITEMS OUTDOORS YOU MAY WANT TO SECURE THEM. SEEK SHELTER IF HIGH WINDS ARE OCCURRING IN YOUR AREA. HOPPES
Local storm report, Jul 1, 6:35 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
635 PM CDT TUE JUL 01 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0607 PM MENTOR MN TORNADO
07/01/97 POLK
BELLESLocal storm report, Jul 1, 7:15 PM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
717 PM CDT TUE JUL 01 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....C$OUNTY LOCATION....
0648 PM 3 NE GENTILLY MN WIND DAMAGE
07/01/97 POLK
0705 PM 3 S RED LAKE FALLS MN 0.75 INCH HAIL
07/01/97 RED LAKE
BELLESLocal storm report, Jul 1, 7:17 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
717 PM CDT TUE JUL 01 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0648 PM 3 NE GENTILLY MN WIND DAMAGE
07/01/97 POLK
0705 PM 3 S RED LAKE FALLS MN 0.75 INCH HAIL
07/01/97 RED LAKE
BELLESThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 7:21 PM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 24 min |
| Jul 1, 7:40 PM CDT | Flash Flood Warning | FGF | Polk | 2 hr |
| Jul 1, 8:30 PM CDT | Tornado 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.