Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 24, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 8, 2001, 7:40 PM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 35 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 8, 2001, 7:40 PM CDT (00:40 UTC)
- Expired
- Jun 8, 2001, 8:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Becker County, MN, Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 144 km from the middle of the area, began a volume at 00:40 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 |
|---|---|---|---|
| Jun 8, 7:55 PM CDT | Thunderstorm Wind | Frazee, MN | Large tree branches were blown down. |
| Jun 8, 7:55 PM CDT | Hail 1 | Dent, 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
Minneapolis, MN (KMPX), launched 00:00Z, 0.7 hours before the alert went out and 271 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
- 2108 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 090041 SVRFAR MNC005-111-090115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 740 PM CDT FRI JUN 8 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BECKER COUNTY IN NORTHWEST MINNESOTA... NORTH CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 815 PM CDT * AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF DUNVILLA...OR ABOUT 13 MILES SOUTHWEST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SHOREHAM AT 745 PM CDT... VERGAS AT 750 PM CDT... FRAZEE AT 800 PM CDT... EVERGREEN AT 815 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4678 9612 4660 9609 4663 9536 4686 9540 $$ HOPPES NNNN
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 Jun 8, 2:20 PM CDT, 5 hours 20 minutes earlier.
Area forecast discussion, Jun 8, 2:20 PM CDT, 5 hours 20 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 220 PM CDT FRI JUN 8 2001 FORECAST CHALLENGE WILL BE CONVECTION THROUGH PERIOD .OVERVIEW... UPPER WAVE AND SFC TROUGH CONTINUES TO MOVE EAST INTO THE RED RIVER VALLEY THIS AFTERNOON. CONVECTION IS GETTING MORE INTENSE NEAR INTERNATIONAL BORDER ATTM...WITH ANOTHER CELL IN NORTHWEST FA. ETA MODEL DID THE BEST WITH MOISTURE...SO WILL UTILIZE. .SHORT TERM... CONVECTION THIS EVENING ENTERING MN SHOULD SLOWLY DIE WITH DAY TIME HEATING OVERNIGHT...BUT SHOULD PERSIST TO AROUND 04Z AFTER UPPER WAVE MOVES THROUGH AREA. THERE MAY BE A SEVERE STORM OR TWO THIS EVENING...WITH LIFT FROM SHORTWAVE AND DECENT INSTABILITY. LATER TONIGHT...850MB LOW LEVEL JET DEVELOPS IN CENTRAL SD...WITH SHOWALTER/S APPROACHING -2C IN SOUTHEAST ND BY 12Z SAT. THIS COULD BRING A ROUND OF THUNDERSTORMS INTO SOUTHEAST ND LATE TONIGHT. TEMPS SHOULD FALL INTO THE MIDDLE 50S. .LONG TERM... ACTIVE PATTERN SHOULD CONTINUE WITH WARM AIR ADVECTION CONTINUING WITH GOOD MID LEVEL FLOW. SFC WARM FRONT WILL DEVELOP IN NEAR NORTHEAST SD...WITH FAIRLY WEAK PRESSURE PATTERN OVER FA. INSTABILITY AND MOISTURE WILL BE PLENTIFUL THROUGH SUNDAY...WITH CAPES AROUND 2000 J/KG AND PRECIPITABLE WATERS AROUND 1.20 INCHES ACROSS ALL BUT EXTREME NORTHEAST FA. EVEN IN NORTHEAST....CAPES APPROACH 1500 J/KG WITH PRECIPITABLE WATERS NEARING 1 INCH BY 00Z SUNDAY. STORMS SHOULD HOLD OFF ACROSS NORTHERN FA ON SATURDAY UNTIL AFTERNOON...WITH THE REST OF AREA SEEING A CHANCE AT ANY TIME SATURDAY. A POTENT SHORTWAVE WILL RIDE OVER RIDGE SATURDAY NIGHT...AND EXPECT AN MCS TO DEVELOP ACROSS SOUTHEAST ND AND RIDE SOUTHEAST BY SUNDAY MORNING. TIMING OF SHORTWAVES IS TOUGH...AND WITH BOUNDARIES LEFT OVER FROM CONVECTION WILL JUST MENTION A CHANCE FOR STORMS ALL DAY SUNDAY...WITH BEST CHANCES FROM LATE AFTERNOON THROUGH THE NIGHT. EXPECT SOME SEVERE STORMS THROUGHOUT WEEKEND...WITH BEST CHANCES SATURDAY AFTERNOON/EVENING...THEN AGAIN SUNDAY AFTERNOON AND SUNDAY NIGHT WITH ANOTHER MCS POSSIBLE AS SOUTHWEST FLOW DEVELOPS. TEMPS WILL BE AROUND 80 TO 85...WITH DEWPOINTS NEAR 60 MAKING IT FEEL QUITE MUGGY. EXPECT LOWS IN THE MIDDLE 50S TO AROUND 60 AS WELL. FWC HAS A GOOD HANDLE ON SITUATION...AND WILL FOLLOW FAIRLY CLOSELY. STILL SOME TIMINING DIFFERENCES ON THE EXTEDNED MODELS IN WHEN THE 50H MOTHER LOW EJECTS OUT OF THE MOUNTAIN STATES NEXT WEEK. UNTIL THE LOW EJECTS OUT CAN NOT RULE OUT A CHANCE OF SHOWERS AND THUNDERSTORMS ON ANY GIVEN DAY IN SOUTHWEST FLOW ALOFT. CONFIDENCE BEGINS TO DIMINISH IN THE FORECAST RIGHT AT THE START OF THE EXTENDED. THE ECMWF IS NOW THE FASTEST OF THE MODELS WITH THE CANADIAN STILL THE SLOWEST. MRF IS IN THE MIDDLE OF THE ROAD AND IS NOTORIOUSLY TO FAST IN THESE SITUATIONS. WILL CONTINUE TOWARDS THE TRANSISTION TO A MORE ACTIVE PATTEREN FROM PREVIOUS EXTENDED. WITH THE AMOUNT OF INSTABILITY COULD SEE SEVERE TSRA AND HEAVY RAINS THROUGH WEDENSDAY. .FGF...NONE. KELLENBENZ/BRAZZELL
In the hours before
Local storm report, Jun 8, 4:18 PM CDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
418 PM CDT FRI JUN 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0855 PM 11 NE LANCASTER MN .75 INCH HAIL
06/08/01 KITTSONLocal storm report, Jun 8, 4:18 PM CDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION...
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
418 PM CDT FRI JUN 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0355 PM 11 NE LANCASTER MN .75 INCH HAIL
06/08/01 KITTSONThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:10 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 35 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2001Every severe thunderstorm warning in 2001
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.