Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 268, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Nov 1, 2000, 6:52 PM CST for Polk County, Minnesota. It was in force for 28 min. 1 report 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
- Nov 1, 2000, 6:52 PM CST (00:52 UTC)
- Expired
- Nov 1, 2000, 7:20 PM CST
- In force
- 28 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 99 km from the middle of the area, began a volume at 00:54 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 |
|---|---|---|---|
| Nov 1, 7:00 PM CST | Hail 1.75 | Winger, MN | The hailstones broke a window. |
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
International Fa, MN (KINL), launched 00:00Z, 0.9 hours before the alert went out and 228 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
- 2 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 611 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 175 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 020052 SVRFAR MNC119-020120- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 652 PM CST WED NOV 1 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN POLK COUNTY IN NORTHWEST MINNESOTA... * UNTIL 720 PM CST * AT 649 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF MCINTOSH...OR ABOUT 42 MILES SOUTH OF THIEF RIVER FALLS...MOVEMENT WAS TO THE NORTH AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MCINTOSH AT 700 PM CST... ERSKINE AT 705 PM CST... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 800 PMJ CST WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4753 9616 4751 9586 4775 9578 4775 9612 $$ DJK 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 Nov 1, 2:02 PM CST, 4 hours 50 minutes earlier.
Area forecast discussion, Nov 1, 2:02 PM CST, 4 hours 50 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 202 PM CST WED NOV 1 2000 ...FORECAST CHALLENGES THIS PACKAGE CENTER ON POSSIBLE SEVERE CONVECTION EARLY AND THEN SNOW THREAT TONIGHT/THURSDAY ACROSS NORTHWEST... .CURRENT OBSERVATIONAL OVERVIEW... 19Z MSAS ANALYSIS DEPICTED LOW PRESSURE VICINITY OF NORTH CENTRAL SOUTH DAKOTA WITH WARM FRONT/CORE OF BEST MOISTURE FLUX CONVERGENCE INCHING NORTHWARD ACROSS SOUTHERN NORTH DAKOTA. STRONGEST PRESSURE FALLS ATTM EVIDENT ACROSS CENTRAL NORTH DAKOTA SUGGESTING LOW TRACKING FURTHER WEST THEN MODELS ARE SUGGESTING. LATEST VISIBLE SATELLITE IMAGERY INDICATED GOOD DRY PUNCH FROM EASTERN NEBRASKA NORTHWARD INTO THE DAKOTAS WITH SCATTERED/ISOLATED CONVECTION TRYING TO FIRE IN THIS ZONE. .FORECAST DETAILS... QUICK CHANGES IN THE OFFING ACROSS REGION DURING NEXT 24 HRS AS STRONG LOW PRESSURE LIFTS NORTHEAST INTO MANITOBA/ONTARIO PROVINCE. EXPECT SCATTERED CONVECTION SOME POSSIBLY SEVERE TO FIRE VICINITY OF TRIPLE POINT/WARM SECTOR THIS AFTERNOON AND EARLY EVENING WITH MAIN THREAT ACROSS SOUTHERN NORTH DAKOTA SEE SPC OUTLOOK FOR FURTHER DETAILS. AS LOW LIFTS INTO NORTHERN RED RIVER VALLEY LATE TONIGHT EXPECT COLD AIR TO WRAP INTO BACKSIDE OF SYSTEM WITH RAIN CHANGING TO SNOW ALONG AND WEST OF A LANGDON TO DEVILS LAKE LINE...PER CRITICAL THICKNESS FIELDS. DEEP LAYERED CYCLONIC FLOW THURSDAY SHOULD RESULT IN LINGERING WIND AND SHOWERS POSSIBLY ENDING AS SNOW IN THE NORTH DURING THE AFTERNOON AND EVENING. LOW WEAKENS ITS GRIP FRIDAY AS WEAK RIDGE BUILDS IN. .EXTENDED... FLAT WESTERLY FLOW AT 500 MB ON SAT TRANSITIONS TO MORE OF A NORTHWESTERLY FLOW BY WED...AS RIDGING BUILDS OFF THE WESTERN COAST. MRF/ECMWF/CANADIAN ALL SIMILAR IN DROPPING A SFC LOW/SFC TROUGH INTO THE NORTHERN PLAINS LATE SUNDAY. DIFFERENCES SHOW UP IN WHERE THE PLACEMENT WOULD BE...WITH MRF/CANADIAN HINTING AT MORE OF SOUTHERN LOW TRACK. WILL KEEP CHANCE OF PCPN WITH THIS FEATURE ALONG WITH FALLING TEMPS AFTER ITS PASSAGE. .FGF...NONE BERG/GODON B
In the hours before
Special weather statement, Nov 1, 6:08 PM CST, 44 minutes before
MNZ002-003-022>024-027>032-040-NDZ028>030-038-039-049-052-053-020110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 608 PM CST WED NOV 1 2000 ...TORNADO WATCH NUMBER 775 HAS BEEN CANCELLED FOR PARTS OF SOUTHEAST NORTH DAKOTA AND A SMALL PART OF WEST CENTRAL MINNESOTA... THE TORNADO WATCH THAT WAS IN EFFECT UNTIL 8 PM HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... CASS...BARNES...STEELE...GRIGGS...RANSOM...SARGENT...RICHLAND IN NORTH DAKOTA...AND WILKIN AND GRANT IN MINNESOTA. THE TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM FOR THE COUNTIES OF TRAILL IN NORTH DAKOTA...AND CLAY...OTTER TAIL... WADENA...BECKER...NORMAN...HUBBARD...AND MAHNOMEN IN MINNESOTA. RIDDLE N
Nearby
Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm warning in 2000
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.