Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 128, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 17, 2001, 9:57 PM CDT for Richland County, North Dakota. It was in force for 48 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
- Jul 17, 2001, 9:57 PM CDT (02:57 UTC)
- Expired
- Jul 17, 2001, 10:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 128 km from the middle of the area, began a volume at 02:59 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 |
|---|---|---|---|
| Jul 17, 10:50 PM CDT | Thunderstorm Wind 56 E | Wahpeton, ND | Numerous trees were blown down. |
| Jul 17, 10:55 PM CDT | Hail 1.75 | Mooreton, ND |
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 |
|---|---|---|---|
| Jul 17, 7:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.0 hours before the alert went out and 199 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
- 2561 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 2319 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 180258 SVRFAR NDC077-180345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 957 PM CDT TUE JUL 17 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA. * UNTIL 1045 PM CDT. * AT 954 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES WEST OF GALCHUTT...OR ABOUT 27 MILES NORTHWEST OF WAHPETON...MOVEMENT WAS TO THE SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MOORETON AT 1025 PM CDT AND DWIGHT AT 1035 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT WEDNESDAY MORNING FOR NORTHWESTERN MINNESOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT WEDNESDAY MORNING FOR SOUTHEAST NORTH DAKOTA. LAT...LON 4655 9714 4639 9728 4616 9674 4634 9666 $$ 14 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 Jul 17, 8:00 PM CDT, 1 hour 57 minutes earlier.
Area forecast discussion, Jul 17, 8:00 PM CDT, 1 hour 57 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 800 PM CDT TUE JUL 17 2001 ...DUE TO ONGOING SEVERE WEATHER...THE EVENING AFfD WILL BE DELAYED... THE EVENING FORECAST DISCUSSION AND ZONE UPDATES WILL OCCUR ONCE THE SEVERE WEATHER SUBSIDES... RJT
In the hours before
Local storm report, Jul 17, 5:28 PM CDT, 4 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
528 PM CDT TUE JUL 17 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0350 PM 7 W FINLEY ND 2 INCH HAIL
07/17/01 GRIGGS
0400 PM 7 SW FINLEY ND 2 INCH HAIL
07/17/01 STEELE GROUND WAS WHITE
0404 PM 4 E COOPERSTOWN ND 1 INCH HAIL
07/17/01 GRIGGS
0405 PM 5 W FINLEY ND 1.75 INCH HAIL
07/17/01 STEELE
0425 PM 3 N BEMIDJI MN 1.5 INCH HAIL
07/17/01 BELTRAMI
0428 PM 3 S FINLEY ND 1 INCH HAIL
07/17/01 STEELE
0435 PM 5 N HOPE ND 1.75 INCH HAIL
07/17/01 STEELE
0435 PM 3 S SALOL MN 1 INCH HAIL
07/17/01 ROSEAU
0440 PM 10 N GRYGLA MN .75 INCH HAIL
07/17/01 MARSHALL
0453 PM 4 W KELLIHER MN .75 INCH HAIL
07/17/01 BELTRAMI
NNNNSpecial weather statement, Jul 17, 7:29 PM CDT, 2 hours 28 minutes before
NDZ014-015-024-026>030-180100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 729 PM CDT TUE JUL 17 2001 ...SEVERE THUNDERSTORM WATCH HAS EXPIRED... AT 700 PM CDT...THE ATMOSPHERE HAS STABILIZED OVER BENSON... RAMSEY...NELSON...GRAND FORKS...EDDY...GRIGGS...STEELE AND TRAILL COUNTIES OF EASTERN NORTH DAKOTA. WHILE SCATTERED THUNDERSTORMS ARE POSSIBLE...NO SEVERE WEATHER IS EXPECTED. A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND MUCH OF NORTHWEST MINNESOTA UNTIL MIDNIGHT CDT. RJT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:03 PM CDT | Tornado Warning | FGF | Ransom | 42 min |
| Jul 17, 7:27 PM CDT | Tornado Warning | FGF | Richland | 48 min |
| Jul 17, 7:41 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Walsh | 49 min |
| Jul 17, 7:47 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 43 min |
| Jul 17, 8:10 PM CDT | Tornado Warning | FGF | Richland | 35 min |
| Jul 17, 8:13 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 47 min |
| Jul 17, 8:37 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 53 min |
| Jul 17, 8:42 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 48 min |
| Jul 17, 8:58 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 32 min |
| Jul 17, 9:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 31 min |
| Jul 17, 9:38 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 37 min |
| Jul 17, 10:05 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 40 min |
| Jul 17, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 34 min |
| Jul 17, 10:40 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 35 min |
| Jul 17, 11:50 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 40 min |
| Jul 18, 12:30 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 45 min |
| Jul 18, 12:56 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 49 min |
| Jul 18, 1:12 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 63 min |
| Jul 18, 2:07 AM CDT | Severe Thunderstorm Warning | FGF | Steele | 38 min |
| Jul 18, 2:13 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 62 min |
| Jul 18, 3:41 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 49 min |
| Jul 18, 4:22 PM CDT | Tornado Warning | FGF | Pembina | 38 min |
| Jul 18, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 47 min |
| Jul 18, 5:57 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 6:00 PM CDT | Tornado Warning | FGF | Nelson | 30 min |
| Jul 18, 6:04 PM CDT | Tornado Warning | FGF | Griggs | 26 min |
| Jul 18, 6:26 PM CDT | Tornado Warning | FGF | Griggs, Nelson, Steele | 49 min |
| Jul 18, 6:32 PM CDT | Tornado Warning | FGF | Walsh | 43 min |
| Jul 18, 6:36 PM CDT | Tornado Warning | FGF | Pembina | 24 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.