Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 292, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2001, 11:08 PM CDT for Ransom County, Richland County, Sargent County, North Dakota. It was in force for 52 min. No storm report in the archive falls 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.
The facts
- Issued
- Aug 8, 2001, 11:08 PM CDT (04:08 UTC)
- Expired
- Aug 9, 2001, 12:00 AM CDT
- In force
- 52 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Aberdeen radar (KABR), 130 km from the middle of the area, began a volume at 04:11 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.
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, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.1 hours before the alert went out and 181 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
- 1379 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 2559 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
539 WUUS53 KFGF 090410 SVRFAR NDC073-077-081-090500- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1108 PM CDT WED AUG 8 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA AND SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA. * UNTIL MIDNIGHT CDT. * AT 1105 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE FROM ENDERLIN TO LISBON TO FORMAN. WIND GUSTS TO 70 MPH WILL BE LIKELY FROM THIS LINE AS IT MOVES EAST AT 40 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... MCLEOD AT 1120 PM... FORMAN AT 1115 PM... LIDGERWOOD AND WYNDMERE AT 1130 PM AND WAHPETON AT 1145 PM HANKINSON AT 1110 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM THURSDAY MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA. LAT...LON 4660 9762 4579 9771 4600 9664 4662 9679 $$ DTR/06 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, 9:11 PM CDT, 1 hour 57 minutes earlier.
Area forecast discussion, Aug 8, 9:11 PM CDT, 1 hour 57 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 911 PM CDT WED AUG 8 2001 ...DISCUSSION DELAYED DUE TO SEVERE WEATHER... ...MAIN FORECAST CHALLENGE THIS PACKAGE IS SVR CONVECTION WITH FROPA... .CURRENT OBSERVATIONAL OVERVIEW...INTENSE SVR TSTMS HAVE MOVED THROUGH THE GRAND FORKS METRO AREA. WIND GUSTS TO 101 MPH WERE RECORDED WITH THE WEATHER OFFICE HERE. BROKEN LINE OF SVR CELLS ARE ASSOCIATED WITH COLD FRONT MOVING THROUGH THE AREA. .SHORT TERM...WILL MAKE SHORT TERM ADJUSTMENTS TO ZONES TO ACCOUNT FOR CURRENT TSTM ACTIVITY. ZONES WILL AGAIN BE UPDATED WHEN WATCH STATUS CHANGES. .FGF...TORNADO WATCH 664 UNTIL 11 PM (DUE TO BE REVISED BY 10 PM) BRAMER
In the hours before
Local storm report, Aug 8, 7:22 PM CDT, 3 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
722 PM CDT WED AUG 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0245 PM 6 NW PONSFORD MN 60 MPH TSTM GUST
08/08/01 BECKER
0339 PM AKELEY MN 62 MPH TSTM GUST
08/08/01 HUBBARD MEASURED MN DOT
ROADSIDE SITE
0340 PM PARK RAPIDS MN WIND DAMAGE
08/08/01 HUBBARD NUMEROUS TREES DOWN
0600 PM 2 SW MADDOCK ND 1 INCH HAIL
08/08/01 BENSON
0620 PM 4 SW ESMOND ND 1 INCH HAIL
08/08/01 BENSON
0620 PM 9 NW MADDOCK ND .88 INCH HAIL
08/08/01 BENSON 4 INCH DIAMETER TREE
BRANCHES ALSO DOWN
0623 PM 5 NE MADDOCK ND .75 INCH HAIL
08/08/01 BENSON 4 INCH DIAMETER TREE
BRANCHES ALSO DOWN
0640 PM 4 NW OBERON ND WIND DAMAGE
08/08/01 BENSON 2 TREES BLOWN DOWN
NNNNThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:25 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 50 min |
| Aug 8, 7:29 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 46 min |
| Aug 8, 7:59 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 46 min |
| Aug 8, 8:04 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 56 min |
| Aug 8, 8:39 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 36 min |
| Aug 8, 8:47 PM CDT | Flash Flood Warning | FGF | Grand Forks | 6 hr |
| Aug 8, 8:49 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 56 min |
| Aug 8, 8:59 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 46 min |
| Aug 8, 9:03 PM CDT | Flash Flood Warning | FGF | Barnes, Cass | 6 hr |
| Aug 8, 9:46 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 44 min |
| Aug 8, 10:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 31 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.