Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 115, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 1, 1997, 6:58 PM CDT for Red Lake County, Minnesota. It was in force for 17 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 1, 1997, 6:58 PM CDT (23:58 UTC)
- Expired
- Jul 1, 1997, 7:15 PM CDT
- In force
- 17 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 00:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 7:05 PM CDT | Hail 0.75 | Red Lake Falls, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 12.0 hours before the alert went out and 368 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1775 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 352 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 012359 RRA SVRFAR MNC125-020015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 658 PM CDT TUE JUL 1 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST MINNESOTA ...WESTERN RED LAKE COUNTY AT 655 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHEAST OF RED LAKE FALLS...OR 38 MILES EAST OF GRAND FORKS...MOVING NORTHWEST AT 10 MPH. THE TOWN OF RED LAKE FALLS IS IN THE PATH OF THIS DANGEROUS STORM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. KENNEDY
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 1, 2:15 PM CDT, 4 hours 43 minutes earlier.
Area forecast discussion, Jul 1, 2:15 PM CDT, 4 hours 43 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, 5:27 PM CDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
525 PM CDT TUE JUL 01 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....C*OUNTY LOCATION....
0350 PM 1 N GRAND FORKS ND WIND DAMAGE
07/01/97 GRAND FORKS TREE AND ROOF DAMAGED
BRIEF GUSTNADO.
BELLESSpecial weather statement, Jul 1, 5:58 PM CDT, 1 hour before
MNZ001>003-005-111-167-NDZ006>008-014>016-024-026>030-038-039-049- 052-053-020030- HIGH WIND WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 558 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... EASTERN OTTER TAIL AND EASTERN 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, 6:00 PM CDT, 58 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, 56 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, 55 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, 23 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
BELLESThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:35 AM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 25 min |
| Jul 1, 3:40 PM CDT | Flash Flood Warning | FGF | Polk | 2 hr |
| Jul 1, 3:50 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 25 min |
| Jul 1, 4:44 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 46 min |
| Jul 1, 5:37 PM CDT | Tornado Warning | FGF | Polk | 38 min |
| Jul 1, 6:16 PM CDT | Tornado Warning | FGF | Polk | 14 min |
| Jul 1, 6:45 PM CDT | Tornado Warning | FGF | Polk | 30 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.