Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 162, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 18, 2001, 11:28 PM CDT for Grand Forks County, North Dakota. It was in force for 47 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 18, 2001, 11:28 PM CDT (04:28 UTC)
- Expired
- Jul 19, 2001, 12:15 AM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 42 km from the middle of the area, began a volume at 04:31 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 19, 12:04 AM CDT | Tornado F0 | Emerado, ND | A tornado touchdown was reported, paralleling county road 6. |
| Jul 19, 12:14 AM CDT | Tornado F0 | Grand Forks, ND | A brief touchdown was reported. At the 8300 block of 32nd Avenue South, 2 policemen in their squad cars felt the pull of 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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 4.5 hours before the alert went out and 288 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
- 2623 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1396 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 190429 SVRFAR NDC035-190515- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1128 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA. INCLUDING THE CITY OF GRAND FORKS... * UNTIL 1215 AM CDT. * AT 1126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF EMERADO...OR ABOUT 10 MILES WEST OF GRAND FORKS...MOVEMENT WAS TO THE NORTHEAST AT 40 MPH. * LARGE HAIL IS POSSIBLE WITH THIS STORM. * THE SEVERE THUNDERSTORM WILL BE NEAR... GRAND FORKS AT 1140 PM CDT AND MANVEL AT 1145 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. 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 4790 9744 4777 9727 4779 9700 4818 9717 $$ BRAZZELL/VOELKER 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, 2 hours 59 minutes earlier.
Area forecast discussion, Jul 18, 8:29 PM CDT, 2 hours 59 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
In the hours before
Special weather statement, Jul 18, 10:19 PM CDT, 1 hour 9 minutes before
MNZ004-NDZ006>008-014>016-024-026-027-054-190415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1019 PM CDT WED JUL 18 2001 ...THE TORNADO WATCH HAS BEEN ALLOWED TO EXPIRE... AT 1010 PM CDT...THE MAIN THREAT FOR SEVERE WEATHER HAS SHIFTED FURTHER SOUTH AND EAST OF THE REGION AS INCREASINGLY STABLE AIR MOVED IN FROM THE NORTHWEST. THEREFORE THE TORNADO WATCH WAS ALLOWED TO EXPIRE FOR TOWNER...CAVALIER...BENSON...RAMSEY... WALSH... PEMBINA...NELSON...GRAND FORKS AND EDDY COUNTIES OF NORTHEAST NORTH DAKOTA AND KITTSON COUNTY OF EXTREME NORTHWEST MINNESOTA AT 10 PM CDT. A SEVERE THUNDERSTORM WATCH CONTINUES FOR SOUTHEAST NORTH DAKOTA AND MUCH OF NORTHWEST MINNESOTA UNTIL 3 AM CDT. RJT
Local storm report, Jul 18, 10:39 PM CDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS 111 AM CDT
THU JUL 19 2001...RETRANSMISSION FOR SPC
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1010 PM 3 W TABOR MN 1 INCH HAIL
07/18/01 POLK
1045 PM 8 S ARGYLE MN 1 INCH HAIL
07/18/01 MARSHALL
1115 PM 6 NE EUCLID MN 1 INCH HAIL
07/18/01 POLK
1204 AM 4 S EMERADO ND TORNADO
07/19/01 GRAND FORKS TORNADO TOUCHDOWN
1207 AM 5 S EMERADO ND TORNADO
07/19/01 GRAND FORKS TWO TORNADOES PARALLELING
COUNTY ROAD 6
1214 AM 4 W GRAND FORKS ND TORNADO
07/19/01 GRAND FORKS TORNADO ON GROUND
1222 AM 3 SW GRAND FORKS ND TORNADO
07/19/01 GRAND FORKS TORNADO ON GROUND AT 8300
BLOCK OF 32ND AVENUE
WWUS30 KFAR 190339
LSRFAR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1039 PM CDT WED JUL 18 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0700 PM 5 S PEKIN ND TORNADO
07/18/01 NELSON BARN DESTROYED, HOUSE
DAMAGED BUT STILL
STANDING, FARM EQUIPMENT
DESTROYED AND POWER LINES
DOWN
WWUS30 KFAR 190331
LSRFAR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1030 PM CDT WED JUL 18 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0411 PM 4 E NECHE ND 2.5 INCH HAIL
07/18/01 PEMBINA
0418 PM 3 W PEMBINA ND 1 INCH HAIL
07/18/01 PEMBINA HAIL COVERING GROUND
0435 PM 2 S PEMBINA ND .75 INCH HAIL
07/18/01 PEMBINA
0507 PM 4 NW LANCASTER MN 1.75 INCH HAIL
07/18/01 KITTSON
0635 PM 10 S PEKIN ND TORNADO
07/18/01 GRIGGS
0655 PM 3 S PARK RIVER ND 1.25 INCH HAIL
07/18/01 WALSH
0707 PM 4 NW LANCASTER MN WIND DAMAGE
07/18/01 KITTSON 4 INCH DIAMETER BRANCHES
DOWN, SHINGLES BLOWN OFF
ROOF
0749 PM 6 SW CARIBOU MN .75 INCH HAIL
07/18/01 KITTSON
0805 PM LUDE MN FLOODING
07/18/01 LAKE OF THE WOODS BASEMENTS FLOODED
0805 PM LUDE MN WIND DAMAGE
07/18/01 LAKE OF THE WOODS TREES AND POWER LINES DOWN
0830 PM 5 SE PENCER MN 1.5 INCH HAIL
07/18/01 ROSEAU
0830 PM 5 SE PENCER MN FLOODING
07/18/01 ROSEAU DITCHES FULL AND WATER
RUNNING RAPIDLY OVER
ROADWAY
WWUS30 KFAR 182337
LSRFAR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
637 PM CDT WED JUL 18 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0557 PM 7 S PEKIN ND TORNADO
07/18/01 GRIGGS TORNADO ON GROUND WITH
DEBRIS IN AIR
0604 PM 2 NW BINFORD ND TORNADO
07/18/01 GRIGGS TORNADO ON THE GROUND
0609 PM 9 NW BINFORD ND TORNADO
07/18/01 GRIGGS LARGE TORNADO ON GROUND
0625 PM 10 W ANETA ND TORNADO
07/18/01 NELSON 100 YD WIDE TORNADO ON
GROUND
WWUS30 KFAR 182019
LSRFAR
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, 7:00 PM CDT | Tornado Warning | FGF | Pembina | 45 min |
| Jul 18, 7:08 PM CDT | Flash Flood Warning | FGF | Pembina | 3 hr |
| Jul 18, 7:09 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 51 min |
| Jul 18, 7:09 PM CDT | Tornado Warning | FGF | Nelson | 51 min |
| Jul 18, 7:13 PM CDT | Tornado Warning | FGF | Walsh | 47 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Grand Forks | 45 min |
| Jul 18, 7:17 PM CDT | Flash Flood Warning | FGF | Grand Forks, Nelson | 3 hr |
| Jul 18, 7:42 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 50 min |
| Jul 18, 8:00 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 8:46 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 59 min |
| Jul 18, 10:47 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 43 min |
| Jul 18, 11:47 PM CDT | Tornado Warning | FGF | Grand Forks | 28 min |
| Jul 19, 12:04 AM CDT | Severe Thunderstorm Warning | FGF | Traill | 41 min |
| Jul 19, 12:14 AM CDT | Tornado Warning | FGF | Grand Forks | 31 min |
| Jul 19, 12:27 AM CDT | Flash Flood Warning | FGF | Grand Forks, Traill | 2 hr |
| Jul 19, 12:27 AM CDT | Tornado Warning | FGF | Traill | 33 min |
| Jul 19, 1:59 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 46 min |
| Jul 19, 5:07 AM CDT | Severe Thunderstorm Warning | FGF | Ransom | 23 min |
| Jul 19, 5:16 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 44 min |
| Jul 19, 6:02 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 28 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.