Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 265, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2001, 2:28 AM CDT for 4 counties in Minnesota. It was in force for 62 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, 2001, 2:28 AM CDT (07:28 UTC)
- Expired
- Aug 8, 2001, 3:30 AM CDT
- In force
- 62 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Becker County, MN, Beltrami County, MN, Clearwater County, MN, Hubbard County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 160 km from the middle of the area, began a volume at 07:28 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 |
|---|---|---|---|
| Aug 8, 2:30 AM CDT | Thunderstorm Wind | Gary, MN | Branches were blown down. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 8, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 7.5 hours before the alert went out and 191 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
- 1009 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1873 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
117 WUUS53 KFGF 080730 SVRFAR MNC005-007-029-057-080830- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 228 AM CDT WED AUG 8 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA... HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA... NORTHEASTERN BECKER COUNTY IN NORTHWEST MINNESOTA AND CLEARWATER COUNTY IN NORTHWEST MINNESOTA. INCLUDING THE CITY OF BEMIDJI... * UNTIL 330 AM CDT. * AT 223 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 36 MILES NORTHWEST OF BEMIDJI TO 16 MILES NORTHEAST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 45 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... CLEARBROOK AT 240 AM... BAGLEY AT 240 AM... LAKE ITASCA AT 245 AM LAKE GEORGE AT 250 AM BEMIDJI AT 305 AM. * 60 MPH WINDS WERE REPORTED AT MCINTOSH IN POLK COUNTY AT 128 AM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM WEDNESDAY MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM WEDNESDAY MORNING FOR EASTERN NORTH DAKOTA. LAT...LON 4774 9553 4691 9558 4690 9476 4782 9464 $$ YOUR FORECASTER NUMBER REQUIRED FOR SHORT FUSE WARNINGS 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 7, 8:25 PM CDT, 6 hours 3 minutes earlier.
Area forecast discussion, Aug 7, 8:25 PM CDT, 6 hours 3 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 825 PM CDT TUE AUG 7 2001 FCST CHALLENGE OVERNIGHT...COVERAGE/INTENSITY AND LOCATION OF CONVECTION. EARLY EVE SFC MAP SHOWS LOW IN SE SASK WITH WARM FRONT INTO FAR SRN MB AND TROUGH THROUGH FAR ERN MT. ACTUAL COLD FRONT FARTHER WEST DROPPING SOUTH THROUGH SRN ALBERTA. SATELLITE ALONG WITH 70H TEMPS WOULD INDICATE NRN EDGE OF CAP EXTENDS JUST NORTH OF A BIS-FAR-BJI LINE. SFC MAP ALSO SHOWS WK TROUGH ALONG THIS AXIS AS WELL. FIRST BATCH OF ELEVATED WEAK CONVECTION THAT WAS NR MINOT LATE THIS AFTN HAS MOVED EAST AND FALLEN APART AS IT APPROACHED WRN CWFA. STRONGER TSRA THAT GOT GOING IN ERN MT NOW MOVING EAST AND LOCATED BTWN MOT/BIS. NO SVR YET. 18Z MESO ETA INDICATES 35-40KT LOW LEVEL JET WILL GET GOING BY 06Z WITH NOSE IN NCNTRL ND AND THEN IT MOVES OVR THE NE ND/NW MN AND SRN IN THE 09-12Z TIME FRAME. THUS EXPECT SOME EVOLUTION OF TSRA IN WRN ND/ERN MT INTO A LARGER COMPLEX AS THE NIGHT PROGRESSES. GOING FCST AND BREAKUP LOOK GOOD WITH HIGHEST POPS NRN ZONES (NORTH OF TROUGH) AND NO POPS IN THE FAR SOUTH WHERE CAP WILL REMAIN. AS FOR THE HEAT ADVISORY...MUCH OF ERN ND AND A FEW PLACES IN NW MN REACHED 105F LATE THIS AFTN...AND WITH DEW PTS CLIMBING INTO THE UPPER 70S OVERNIGHT EXPECT HEAT INDICES TO REMAIN ABV 80F TONIGHT. THUS WILL MAINTAIN CURRENT HEAT ADVISORY LOCATION FOR TONIGHT. WILL RE-ISSUE NEW NPWFAR AND ZONES SHORTLY AFTER 9 PM. .FGF...HEAT ADVISORY ALL CWFA EXCEPT WC MN TONIGHT. RIDDLE
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:16 AM CDT | Severe Thunderstorm Warning | FGF | Norman, Polk | 44 min |
| Aug 8, 1:39 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 21 min |
| Aug 8, 1:53 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Mahnomen, Norman, Polk | 67 min |
| Aug 8, 2:08 AM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 52 min |
| Aug 8, 1:59 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 46 min |
| Aug 8, 1:59 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 46 min |
| Aug 8, 3:35 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 25 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.