Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 156, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 18, 2001, 10:00 PM CDT for Beltrami County, Minnesota. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 18, 2001, 10:00 PM CDT (03:00 UTC)
- Expired
- Jul 18, 2001, 10:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Beltrami County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 185 km from the middle of the area, began a volume at 03:01 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 18, 10:20 PM CDT | Thunderstorm Wind | Waskish, MN | Trees were blown down by the strong wind. |
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 18, 6:30 PM CDT | Tornado Watch | SPC | 4 hr |
| Jul 18, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 3.0 hours before the alert went out and 138 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
- 2275 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1506 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 190300 SVRFAR MNC007-190345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1000 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA. * UNTIL 1045 PM CDT. * AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHWEST OF WASKISH...OR ABOUT 58 MILES NORTH OF BEMIDJI...MOVEMENT WAS TO THE SOUTHEAST AT 35 MPH. * WINDS NEAR 100 MPH IS POSSIBLE WITH THIS STORM. PERSONS IN WASKISH SHOULD TAKE COVER NOW! * THE SEVERE THUNDERSTORM WILL BE NEAR... WASKISH AT 1020 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING FOR NORTHWESTERN MINNESOTA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING FOR SOUTHEAST NORTH DAKOTA. LAT..."LON 4839 9475 4817 9525 4788 9427 4809 9396 $$ DTR/JB 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 18, 8:29 PM CDT, 1 hour 31 minutes earlier.
Area forecast discussion, Jul 18, 8:29 PM CDT, 1 hour 31 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 829 PM CDT WED JUL 18 2001 ...DUE TO ONGOING SVR WEATHER WL BE BRIEF... MSAS AND SFC ANALYSIS SHOWING BEST MOIST CONVERGENCE EXTENDING FROM E OF GFK TO NR DVL ATTM. SFC WARM FRONT CONT TO MOVE N THRU SE ND AND INTO NW MN PROVIDING FOCUS FOR ONGOING CONVECTION. ALTHOUGH BEST FOCUS E OF DVL AREA ATTM...TSTMS CONT JUST E OF THIS AREA AND AM HESITANT TO DROP WATCH THERE BEFORE EXPIRATION TIME. THUS WL KEEP TORNADO WATCHES GOING UNTIL 3Z THIS AREA. FFA LOCATIONS LOOK REASONABLE...AND WL CONT AS PREVIOUSLY FORECAST. ALL SAID...NO BIG CHANGES NEEDED ATTM. WL SEND EVENING UPDATE AFTER 3Z. .FGF...FLASH FLOOD WATCH UNTIL MIDNIGHT ALONG AND NORTH OF A DVL-GFK LINE...FOR REST OF FA OVERNIGHT. RJT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 41 min |
| Jul 18, 7:08 PM CDT | Flash Flood Warning | FGF | Kittson | 3 hr |
| Jul 18, 7:23 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 52 min |
| Jul 18, 7:36 PM CDT | Tornado Warning | FGF | Lake of the Woods | 39 min |
| Jul 18, 7:45 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 45 min |
| Jul 18, 7:54 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 66 min |
| Jul 18, 8:09 PM CDT | Flash Flood Warning | FGF | Lake of the Woods, Roseau | 2 hr |
| Jul 18, 8:44 PM CDT | Tornado Warning | FGF | Marshall | 46 min |
| Jul 18, 8:50 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 55 min |
| Jul 18, 9:01 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 29 min |
| Jul 18, 9:43 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 47 min |
| Jul 18, 9:51 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 39 min |
| Jul 18, 10:14 PM CDT | Flash Flood Warning | FGF | Lake of the Woods, Roseau | 3 hr |
| Jul 18, 10:32 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 28 min |
| Jul 18, 10:37 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 38 min |
| Jul 18, 11:04 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 41 min |
| Jul 18, 11:11 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 49 min |
| Jul 18, 11:18 PM CDT | Tornado Warning | FGF | Pennington, Red Lake | 27 min |
| Jul 18, 11:42 PM CDT | Tornado Warning | FGF | Red Lake | 33 min |
| Jul 19, 12:14 AM CDT | Tornado Warning | FGF | Polk | 31 min |
| Jul 19, 12:27 AM CDT | Flash Flood Warning | FGF | Marshall, Polk | 2 hr |
| Jul 19, 12:54 AM CDT | Severe Thunderstorm Warning | FGF | Norman | 66 min |
| Jul 19, 1:09 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 66 min |
| Jul 19, 1:28 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 47 min |
| Jul 19, 1:59 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 46 min |
| Jul 19, 2:05 AM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 40 min |
| Jul 19, 2:15 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 30 min |
| Jul 19, 2:28 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 47 min |
| Jul 19, 2:52 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Hubbard | 38 min |
| Jul 19, 3:12 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 63 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.