Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 171, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2000, 10:54 AM CDT for Hubbard County, Minnesota. It was in force for 31 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
- Aug 8, 2000, 10:54 AM CDT (15:54 UTC)
- Expired
- Aug 8, 2000, 11:25 AM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Hubbard County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 8, 10:55 AM CDT | Hail 0.88 | Laporte, 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
International Fa, MN (KINL), launched 12:00Z, 3.9 hours before the alert went out and 163 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
- 582 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
558 WUUS53 KFGF 081559 COR SVRFAR MNC057-081625- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1054 AM CDT TUE AUG 8 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA... * UNTIL 1125 AM CDT * AT 1045 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF BENEDICT...OR ABOUT 21 MILES SOUTH OF BEMIDJI...MOVEMENT WAS TO THE EAST AT 35 MPH. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4729 9477 4711 9473 4730 9378 4751 9388 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 Aug 8, 10:20 AM CDT, 34 minutes earlier.
Area forecast discussion, Aug 8, 10:20 AM CDT, 34 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1020 AM CDT TUE AUG 8 2000 FCST CHALLENGE...SVR TSTM THREAT NW MN TDY. SURFACE MAP SHOWS TROF BI-SECTING CWA FROM CLOSED LOW OVER WESTERN MANITOBA. THIS TROF EXTENDS DOWN TO NEAR K8D3 WHERE TRIPLE POINT CIRCULATION ALSO NOTED ON SURFACE MAP. WARM FRONT LOCATED FROM TIPLE POINT TO JUST NORTH OF KSTC. CURRENT SVR CONVECTION OVER BELTRAMI COUNTY IS CURRENTLY ELEVATED...BUT SHOULD BECOME MORE SURFACE BASED AS IT CONTINUES TO BUILD SOUTH INTO MOST UNSTABLE AIRMASS (-5 LIS). BEST JET DYNAMICS ARE ALSO LOCATED ACROSS WEST CENTRAL MINNESOTA WITH 90KT JET PUNCHING INTO THE REGION. SVR THREAT IS EXPECTED TO CONTINUE ACROSS EASTERN PORTION OF CWA THROUGH EARLY AFTERNOON AS SURFACE BOUNDARY MAKES ITS WAY ACROSS REMAINDER OF CWA. CURRENT ZONES LOOK GOOD WITH MENTION OF SEVERE OVER EASTERN COUNTIES...BUT WILL UPDATE TO TAKE OUT MORNING WORDING. .FGF...NONE. BRAZZELL
In the hours before
Special weather statement, Aug 8, 6:45 AM CDT, 4 hours 9 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-081400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 645 AM CDT TUE AUG 8 2000 ...SEVERE THUNDERSTORMS ARE POSSIBLE IN NORTHWEST MINNESOTA TODAY... SYNOPSIS...A SURFACE TROF WILL MOVE ACROSS THE RED RIVER VALLEY THROUGH THE FORENOON AND MOIST SOUTHERLY FLOW WILL INCREASE ACROSS NORTHWEST MINNESOTA AHEAD OF THIS TROF. MEANWHILE...AN UPPER LEVEL DISTURBANCE WILL TRACK FROM CENTRAL NORTH DAKOTA INTO NORTHWEST MINNESOTA AROUND MIDDAY. THIS COMBINATION WILL LEAD TO RAPID THUNDERSTORM DEVELOPMENT THROUGH THE FORENOON INTO THE EARLY AFTERNOON. AREA OF CONCERN...ALONG AND EAST OF A FERGUS FALLS...RED LAKE FALLS TO ROSEAU LINE. TIME...BRIEFLY FROM 7 AM UNTIL 10 PM...AGAIN FROM NOON THROUGH 6 PM. TYPE OF HAZARD...MAINLY LARGE HAIL THROUGH THE FORENOON...WITH LARGE HAIL AND DAMAGIN]G WINDS IN THE AFTERNOON. GUST NNNN
Local storm report, Aug 8, 6:53 AM CDT, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
653 AM CDT TUE AUG 08 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 AM 7 WNW NORTHWOOD ND 1 INCH HAIL
08/08/00 GRAND FORKS
0415 AM 2 E NORTHWOOD ND .75 INCH HAIL
08/08/00 GRAND FORKS
NNNNThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 9:28 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 32 min |
| Aug 8, 10:03 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 32 min |
| Aug 8, 3:02 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 28 min |
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.