Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 142, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 18, 2001, 5:57 PM CDT for Pembina County, North Dakota. It was in force for 48 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, 5:57 PM CDT (22:57 UTC)
- Expired
- Jul 18, 2001, 6:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Pembina County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 139 km from the middle of the area, began a volume at 22:58 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, 6:23 PM CDT | Hail 0.75 | Cavalier, 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 18, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.0 hours before the alert went out and 313 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
- 362 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1307 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 182257 SVRFAR NDC067-182345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 557 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 645 PM CDT. * AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF MOUNTAIN...OR ABOUT 24 MILES EAST OF LANGDON...MOVEMENT WAS TO THE NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HENSEL AT 600 PM CDT... AKRA AT 605 PM CDT... CAVALIER AT 610 PM CDT AND HAMILTON AT 625 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 AND EASTERN NORTH DAKOTA. LAT. ..LON 4885 9791 4860 9788 4877 9719 4899 9750 $$ DJK 08 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, 2:00 PM CDT, 3 hours 57 minutes earlier.
Area forecast discussion, Jul 18, 2:00 PM CDT, 3 hours 57 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 200 PM CDT WED JUL 18 2001 FORECAST CONCERN CONTINUES TO BE CONVECTION .OVERVIEW... SFC LOW MOVING TOWARDS NORTHEAST SD THIS AFTERNOON...WITH CONVECTION TRYING TO FIRE ACROSS WESTERN FA NEAR SFC BOUNDARY. CAP CONTINUES TO ERODE...WITH CAPES AROUND 5000 J/KG...EXPECT RAPID CONVECTIVE DEVELOPMENT IN NEXT 2 HOURS. AVN FOCUSSES CONVECTION FROM VALLEY WEST TONIGHT...WHERE ETA TARGEST SOUTHERN 2/3 OF FA. ETA HAS BEEN CONSISTENT...SO WILL UTILIZE FOR NOW. .SHORT TERM... AS LOW MOVES INTO NORTHEAST SD...CONVECTION WILL FOCUS IN SOUTHERN 2/3 OF FA NEAR MAXIMIZED SFC CONVERGENCE AND UPPER LEVEL DIVERGENCE AFTER 03Z. WITH IMPRESSIVE INSTABILITIES WITH LI/S TO -12C...EXPECT DEEP MOIST CONVECTION WITH FLASH FLOODING A CONCERN. SEVERE WEATHER THREAT IS ALSO LIKELY...WITH LARGE HAIL/WIND AND ISOLATED TORNADOES NORTH OF WARMFRONT. WILL CONTINUE FLASH FLOOD WATCH UNTIL MIDNIGHT FROM DVL-GFK NORTH...AND ELSEWHERE TONIGHT. TEMPS SIMILAR TO LAST NIGHTS...SO WILL FOLLOW PERSISTENCE. .LONG TERM... WEAK HIGH TRIES TO BUILD IN ON THURSDAY...BUT WITH PLENTY OF INSTABILITY AND MOISTURE STILL AROUND...CAN/T RULE OUT CONVECTION ONCE AGAIN. 500MB VORTICITY MAXIMUM WILL ALSO TRAVERSE REGION...WHICH MAY ENHANCE LIFT. THEREFORE WILL CONTINUE SCATTERED THUNDERSTORM MENTION. A POTENT UPPER WAVE AND SFC BOUNDARY MOVE THROUGH FA FROM WEST TO EAST THU NIGHT...ALONG WITH 35 KT 850MB LOW LEVEL JET. AN MCS MAY DEVELOP AND MOVE ACROSS FA...SO WILL KEEP THUNDERSTORMS IN FORECAST. STRONG 300MB DIVERGENCE IS ALSO PROGGED WHICH WILL SUSTAIN CONVECTION. WEAK HIGH SHOULD BUILD IN FOR FRIDAY...WITH INSTABILITIES STABILIZING IN NORTH. SOUTHERN 2/3 OF AREA REMAIN UNSTABLE...WITH LI/S TO -8C. WILL LEAVE THUNDER MENTION OUT FOR EXTREME NORTH...BUT LEAVE IN ELSEWHERE. TEMPS REMAIN SIMILAR THROUGHOUT...WITH PERSISTENCE THE BEST BET. AVN AND MRF AGREE IN BRINGING MORE DISTURBANCES IN ON SOUTHWEST FLO FOR THE WEEKEND WITH MAIN ENERGY SHUNTED INTO CANADA. THEN UPPER RIDGE FLATTENS AND FLO BECOMES MORE ZONAL...WITH SFC HIGH BRINGING STABILITY MON AND TUE. WILL PUT A CHANCE OF STORMS IN NEXT WED WITH RETURN FLO SETTING UP AHEAD OF NEXT SFC LOW. FWC AND MEX TEMPS IN AGREEMENT...MAYBE TOO COOL MONDAY AND TUESDAY. .FGF...FLASH FLOOD WATCH FOR UNTIL MIDNIGHT ALONG AND NORTH OF A DVL-GFK LINE...FOR REST OF FA TONIGHT. KELLENBENZ
In the hours before
Local storm report, Jul 18, 1:46 PM CDT, 4 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
146 PM CDT WED JUL 18 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM THORHULT MN WIND DAMAGE
07/17/01 BELTRAMI WIND DAMAGE TO CROPS.
WHEAT FLATTENED.
0420 PM 3 NE COOPERSTOWN ND 2 INCH HAIL
07/17/01 GRIGGS
0443 PM 5 E COOPERSTOWN ND
07/17/01 GRIGGS FUNNEL CLOUD AND WALL
CLOUD NEAR THE STEELE
COUNTY LINE
0507 PM 5 SW PORTLAND ND
07/17/01 TRAILL FUNNEL CLOUD REPORTED BY
SHERIFF OFFICE
0530 PM PONEMAH MN .75 INCH HAIL
07/17/01 BELTRAMI
0600 PM 3 E COOPERSTOWN ND FLOODING
07/17/01 GRIGGS WATER OVER HIGHWAY 200
0600 PM 5 S FINLEY ND FLOODING
07/17/01 STEELE WATER OVER HIGHWAY 200 AND
32. WATER IN FIELDS AND
DITCHES FLOODED.
0615 PM 3 N CHAFFEE ND 4.5 INCH HAIL
07/17/01 CASS GROUND WAS WHITE MOSTLY
BASEBALL SIZED HAIL
0621 PM BEMIDJI MN 1.75 INCH HAIL
07/17/01 BELTRAMI
0630 PM CARP MN WIND DAMAGE
07/17/01 LAKE OF THE WOODS 10 TO 12 FEET WIDE PATH OF
DOWNED TREES
0658 PM 6 S HUNTERSVILLE MN 2.5 INCH HAIL
07/17/01 WADENA
0700 PM THORHULT MN FLOODING
07/17/01 BELTRAMI FLOODING OF ROADS
0715 PM 3 N HINES MN 1.75 INCH HAIL
07/17/01 BELTRAMI
0730 PM 12 N WYNDMERE ND 80 MPH TSTM GUST
07/17/01 RICHLAND 6 INCH DIAMETER TREES
BLOWN DOWN
0736 PM 4 E KINDRED ND .75 INCH HAIL
07/17/01 CASS
0800 PM CARP MN FLOODING
07/17/01 LAKE OF THE WOODS WIDESPREAD FLOODING OF
ROADS AND DITCHES IN THE
CARP AREA OF SOUTHERN LAKE
OF THE WOODS COUNTY.
0830 PM 1 E TENSTRIKE MN 1 INCH HAIL
07/17/01 BELTRAMI
0850 PM 9 W WAHPETON ND 65 MPH TSTM GUST
07/17/01 RICHLAND TREES DOWN
1135 PM 13 NE VALLEY CITY ND .75 INCH HAIL
07/17/01 BARNES
0115 AM 9 N TOWER CITY ND .75 INCH HAIL
07/18/01 CASSLocal storm report, Jul 18, 2:59 PM CDT, 2 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
259 PM CDT WED JUL 18 2001
...ADDTIONAL REPORT...
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0810 PM 7 N 4 E BARNEY ND TORNADO
07/17/01 RICHLAND TOUCHDOWN REPORTED BY
FARMER. 70 FOOT
COTTONWOOD TREES
UPROOTED AND TWISTED IN
DIFFERENT DIRECTIONS.
AWNINGS OF HOME AND A
BARN WAS DESTROYED.
NNNNLocal storm report, Jul 18, 3:12 PM CDT, 2 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
418 AM CDT WED JUL 18 2001
...UPDATED TIMES FROM EARLIER REPORTS...
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0337 PM 10 N BEMIDJI MN .75 INCH HAIL
07/17/01 BELTRAMI
0350 PM 9 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI AMATUER RADIO REPORT
0350 PM 7 W FINLEY ND 2 INCH HAIL
07/17/01 GRIGGS
0354 PM 9 N BEMIDJI MN .75 INCH HAIL
07/17/01 BELTRAMI AMATUER RADIO REPORT
0400 PM 7 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0404 PM 4 E COOPERSTOWN ND 1 INCH HAIL
07/17/01 GRIGGS
0405 PM 10 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI AMATUER RADIO REPORT
0405 PM 5 W FINLEY ND 1.75 INCH HAIL
07/17/01 STEELE
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
0430 PM 10 NW FOUR TOWN MN 1.75 INCH HAIL
07/17/01 BELTRAMI
0430 PM 11 NW FOUR TOWN MN 1.25 INCH HAIL
07/17/01 BELTRAMI
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
0435 PM 2 NW BEMIDJI MN 1.5 INCH HAIL
07/17/01 BELTRAMI
0440 PM 15 N GRYGLA MN .75 INCH HAIL
07/17/01 ROSEAU
0453 PM 4 W KELLIHER MN .75 INCH HAIL
07/17/01 BELTRAMI
0459 PM 15 E BEMIDJI MN 2.75 INCH HAIL
07/17/01 BELTRAMI
0500 PM 7 SW FINLEY ND 2 INCH HAIL
07/17/01 STEELE GROUND WAS WHITE; HAIL
FELL FOR OVER 15 MINUTES
0510 PM 9 E COOPERSTOWN ND .75 INCH HAIL
07/17/01 GRIGGS
0521 PM BEMIDJI MN 1.75 INCH HAIL
07/17/01 BELTRAMI AMATUER RADIO REPORT
0550 PM GRACETON MN .75 INCH HAIL
07/17/01 LAKE OF THE WOODS
0550 PM GRACETON MN .75 INCH HAIL
07/17/01 LAKE OF THE WOODS
0600 PM LYNCHBURG ND 2.75 INCH HAIL
07/17/01 CASS
0615 PM 3 N CHAFFEE ND 4.50 INCH HAIL
07/17/01 CASS BROKEN WINDOWS
0620 PM 3 NE CHAFFEE ND 3 INCH HAIL
07/17/01 CASS
0624 PM 3 W REDBY MN TORNADO
07/17/01 BELTRAMI
0624 PM SAUM MN TORNADO
07/17/01 BELTRAMI AMATUER RADIO REPORT
0631 PM 6 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0636 PM 4 N BEMIDJI MN .75 INCH HAIL
07/17/01 BELTRAMI REPORT FROM THE NORTH
SHORE OF LAKE BEMIDJI FROM
AMATUER RADIO
0638 PM BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0643 PM 6 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0650 PM 9 N BEMIDJI MN 1.5 INCH HAIL
07/17/01 BELTRAMI
0652 PM 2 S TURTLE RIVER MN 1 INCH HAIL
07/17/01 BELTRAMI
0656 PM 3 SW FUNKLEY MN TORNADO
07/17/01 BELTRAMI
0658 PM 5 NW FUNKLEY MN TORNADO
07/17/01 BELTRAMI
0700 PM 7 E BEMIDJI MN .88 INCH HAIL
07/17/01 BELTRAMI
0700 PM FUNKLEY MN TORNADO
07/17/01 BELTRAMI
0705 PM 1 E FUNKLEY MN TORNADO
07/17/01 BELTRAMI
0710 PM 7 N BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0727 PM 8 SE LEONARD ND .75 INCH HAIL
07/17/01 RICHLAND
0727 PM 8 SE LEONARD ND 70 MPH TSTM GUST
07/17/01 RICHLAND
0728 PM HINES MN .75 INCH HAIL
07/17/01 BELTRAMI
0731 PM TENSTRIKE MN .75 INCH HAIL
07/17/01 BELTRAMI
0740 PM BROCKET ND .75 INCH HAIL
07/17/01 RAMSEY
0744 PM OYLEN MN 1.75 INCH HAIL
07/17/01 WADENA
0745 PM 14 E BEMIDJI MN 1 INCH HAIL
07/17/01 BELTRAMI
0747 PM PONEMAH MN 1.75 INCH HAIL
07/17/01 BELTRAMI
0751 PM ROOSEVELT MN 1 INCH HAIL
07/17/01 ROSEAU
0755 PM 1 E ROOSEVELT MN .75 INCH HAIL
07/17/01 LAKE OF THE WOODS
0800 PM 1 E ROOSEVELT MN .75 INCH HAIL
07/17/01 LAKE OF THE WOODS
0810 PM 8 N BARNEY ND 1 INCH HAIL
07/17/01 RICHLAND
0810 PM 8 N BARNEY ND WIND DAMAGE
07/17/01 RICHLAND BARN AND MACHINE SHED
KNOCKED OVER...RADIO
TOWERS AND TREES ALSO
BLOWN DOWN.
0805 PM MOORETON ND 65 MPH TSTM GUST
07/17/01 RICHLAND
0820 PM MOORETON ND 79 MPH TSTM GUST
07/17/01 RICHLAND
0838 PM 10 N PARK RAPIDS MN .88 INCH HAIL
07/17/01 HUBBARD
0838 PM 2 S FINGAL ND 2 INCH HAIL
07/17/01 BARNES
0846 PM 10 NE PARK RAPIDS MN 1.75 INCH HAIL
07/17/01 HUBBARD
0854 PM 1 N ROTHSAY MN 62 MPH TSTM GUST
07/17/01 WILKIN
0855 PM 7 SW ALICE ND 1.75 INCH HAIL
07/17/01 CASS
0855 PM 3 SE MOORETON ND 1.75 INCH HAIL
07/17/01 RICHLAND
0903 PM FERGUS FALLS MN 65 MPH TSTM GUST
07/17/01 OTTER TAIL
0915 PM SHELDON ND .75 INCH HAIL
07/17/01 RANSOM
0955 PM 5 SW LISBON ND 1.5 INCH HAIL
07/17/01 RANSOM
1007 PM PARKERS PRAIRIE MN .75 INCH HAIL
07/17/01 OTTER TAIL
1010 PM 6 S LISBON ND 1.75 INCH HAIL
07/17/01 RANSOM
1015 PM 7 S LISBON ND 1.75 INCH HAIL
07/17/01 RANSOM
1100 PM 5 E MOORETON ND 1 INCH HAIL
07/17/01 RICHLANDLocal storm report, Jul 18, 3:17 PM CDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
317 PM CDT WED JUL 18 2001
...LATE REPORT...
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0800 PM WALCOTT ND WIND DAMAGE
07/17/01 RICHLAND ROOF OF WALCOTT FIRE
STATION BLOWN OFF.
MANY TREES UPROOTED.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, 9:57 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 48 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, 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.