Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 149, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 18, 2001, 7:54 PM CDT for Roseau County, Minnesota. It was in force for 66 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
- Jul 18, 2001, 7:54 PM CDT (00:54 UTC)
- Expired
- Jul 18, 2001, 9:00 PM CDT
- In force
- 66 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Roseau County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 188 km from the middle of the area, began a volume at 00:54 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 |
|---|---|---|---|
| Jul 18, 6:30 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.9 hours before the alert went out and 183 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 190056 SVRFAR MNC135-190200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 754 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ROSEAU COUNTY IN NORTHWEST MINNESOTA. INCLUDING THE CITY OF ROSEAU... * UNTIL 900 PM CDT. * AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF ROSEAU...MOVEMENT WAS TO THE EAST AT 15 MPH. IN ADDITION TO THE THUNDERSTORM NEAR ROSEAU...OTHER SEVERE THUNDERSTORMS WERE LOCATED BETWEEN SKIME AND PENCER. ALSO A LINE OF SEVERE THUNDERSTORMS WILL BE APPROACHING WESTERN ROSEAU COUNTY IN THE NEXT HALF HOUR. * THE SEVERE THUNDERSTORM WILL BE NEAR... MALUNG AT 755 PM CDT AND SALOL AT 815 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. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4890 9601 4871 9606 4878 9531 4898 9537 $$ BRAZZELL 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, 5 hours 54 minutes earlier.
Area forecast discussion, Jul 18, 2:00 PM CDT, 5 hours 54 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, 2:59 PM CDT, 4 hours 55 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, 4 hours 42 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, 4 hours 37 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 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, 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, 10:00 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.