Alert archive / North Dakota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 62, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 10, 2002, 6:07 AM CDT for Benson County, Towner County, North Dakota. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2002, 6:07 AM CDT (11:07 UTC)
- Expired
- Jun 10, 2002, 7:00 AM CDT
- In force
- 53 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Benson County, ND, Towner County, ND
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 11.1 hours before the alert went out and 193 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
- 268 J/kg
- Mixed-layer CIN
- -541 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 388 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 101107 SVRFAR NDC005-095-101200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 604 AM CDT MON JUN 10 2002 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA AND TOWNER COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 700 AM CDT. * AT 603 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 59 MILES EAST OF MOHALL TO 47 MILES SOUTHWEST OF DEVILS LAKE... MOVEMENT WAS TO THE NORTHEAST AT 45 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... PLEASANT LAKE AT 610 AM... MADDOCK AT 615 AM... LEEDS AT 620 AM AND CANDO AT 640 AM. * WINDS TO 60 MPH WILL BE LIKELY WITH THIS LINE OF THUNDERSTORMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM MONDAY MORNING FOR NORTHEAST NORTH DAKOTA. LAT...LON 4882 10037 4748 9961 4793 9928 4890 9918 06 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 Jun 10, 3:00 AM CDT, 3 hours 7 minutes earlier.
Area forecast discussion, Jun 10, 3:00 AM CDT, 3 hours 7 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 300 AM CDT MON JUN 10 2002 ANOTHER TOUGH FCST WITH TEMPS AND CONVECTION/QPF TOPPING THE LIST. SFC LOW OVER WRN NEBRASKA WITH WELL DEFINED FRONT INTO SE ND AND INTO NRN MN...NR A FAR-BJI LINE. FRONT HAS SLIPPED SOUTH INCH BY INCH PAST FEW HOURS. QUITE A CONTRAST WITH TEMPS IN THE UPR 70S AND DEW PTS NR 70 SOUTH OF THE FRONT AND TEMPS IN THE 50S NORTH OF FRONT. PLACEMENT OF FRONT TO PLAY HAVOC WITH TEMP FCST TODAY AND MAKE FOR SOME VERY TIGHT TEMP GRADIENTS. .SHORT TERM...(TODAY AND TONIGHT)... FOR THE MOST PART FOLLOWED ETA SOLN TODAY. SFC LOW WILL TRACK NE TO LIKELY JUST SOUTH OF GRAND FORKS BY LATE TODAY. CURRENT MCS GETTING GOING INTO SW ND WILL LIKELY TRACK NE AND AFFECT NW CWFA THIS MORNING...GENERALLY ALONG AND NORTHWEST OF A JMS-GFK-ROX LINE. AS SFC LOW APPROACHES...SOUTH WINDS WILL NUDGE FRONT NORTH TO NR A BDE-GFK LINE BY LATE AFTN. ATMOS SOUTH OF THIS BOUNDARY WILLL HEAT INTO THE 80S WITH SFC DEW PTS UPR 60S TO LOWER 70S. 70H TEMPS WILL BEGIN TO COOL AND AS 50H VORT SWINGS NORTHEAST AROUND UPR LOW INTO CNTRL ND LATER TODAY EXPECT CONVECTION TO FIRE LATE TODAY ALONG FRONT IN ERN ND AND THEN TRANSLATE QUICKLY EAST THRU NW MN THIS EVENING. SVR THREAT QUITE REAL TODAY WITH DAMAGING WINDS MAIN THREAT DUE TO RATHER STRONG 50H FLOW AND 50-70H DRYING WHICH ADVECTS EAST RIGHT BEHIND FRONT. WILL KEEP FLOOD WATCH ALL AREAS. AS WE HAVE SEEN OVER THE PAST 24HRS PWATS NR 2 INCHES MORE THAN SUFFICIENT TO PRODUCE EXCESSIVE RAINS. .LONGER TERM... SOME LOW LEVEL DRYING MOVES IN ON TUESDAY AS UPR LOW REMAINS OVR SRN SASK. ANY THREAT FOR -SHRA WILL BE CONFINED TO DVL ZONE. THEN UPR LOW WILL DRIFT SOUTH LATER TUES NIGHT-WED NIGHT WITH CHC OF -SHRA. .EXTENDED... NO CHANGES. .FGF...FLOOD WATCH ENTIRE FORECAST AREA TODAY. RIDDLE
In the hours before
Local storm report, Jun 10, 1:00 AM CDT, 5 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
100 AM CDT MON JUN 10 2002
...LIST OF ALL REPORTS FROM 6/09/02....
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1200 AM 3SE SHEYENNE ND 1.50 INCH HAIL
06/09/02 EDDY REPORTED BY CO-OP
OBSERVERS
1210 AM ST MICHAEL ND 1.50 INCH HAIL
06/09/02 BENSON
1215 AM 3N ADA MN 75 MPH TSTM WIND GUST
06/09/02 NORMAN ROOF DAMAGE REPORTED BY
SPOTTERS
1215 AM NORTHWOOD ND 1.75 INCH HAIL
06/09/02 GRAND FORKS REPORTED BY LAW ENFORCMENT
1220 AM DEVILS LAKE ND 1.00 INCH HAIL
06/09/02 RAMSEY
1224 AM DEVILS LAKE ND 1.25 INCH HAIL
06/09/02 RAMSEY
1230 AM REYNOLDS ND .75 INCH HAIL
06/09/02 TRAILL
1230 AM 2S MAPES ND .88 INCH HAIL
06/09/02 NELSON REPORTED BY
SPOTTERS
1245 AM 4 N NORTHWOOD ND 1.75 INCH HAIL
06/09/02 GRAND FORKS
0130 AM 4N SUTTON ND 1.75 INCH HAIL
06/09/02 GRIGGS
0140 AM 5 E WAUBUN MN .75 INCH HAIL
06/09/02 MAHNOMEN
0200 AM 3NW OGEMA MN .75 INCH HAIL
06/09/02 BECKER REPORTED BY LAW
ENFORCEMENT
0200 AM 4N OBERON MN 70 MPH TSTM WIND GUST
06/09/02 BENSON
0210 AM COOPERSTOWN ND .75 INCH HAIL
06/09/02 GRIGGS REPORTED BY
SPOTTERS
0230 AM GRAND FORKS ND FLASH FLOODS
06/09/02 GRAND FORKS NUMEROUS CITY STREETS
FLOODED. CARS STRANDED
ALONG UNIVERSITY AVENUE
NEAR THE UNIVERSITY OF
NORTH DAKOTA CAMPUS.
0325 AM 9 NE ADA MN WIND DAMAGE
06/09/02 NORMAN SPOTTER ESTIMATED 80 MPH
WIND GUST. 8 TO 10 INCH
DIAMETER TREES DOWN AND
WINDOW BLOWN OUT.
0344 AM ADA MN WIND DAMAGE
06/09/02 NORMAN TREES DOWN
0400 AM 6 E ADA MN TORNADO
06/09/02 NORMAN ROOF TORN OFF FARM
BUILDINGS WITH DEBRIS
LITTERED IN NEARBY TREES.
LOCATION CORRECTED FROM
PREVIOUS REPORT.
0400 AM GARY MN WIND DAMAGE
06/09/02 NORMAN CHURCH STEEPLE BLOWN OFF.
CORRECTED TIME FROM
PREVIOUS REPORT.
0415 AM 4N MAHNOMEN MN 80 MPH TSTM WIND GUST
06/09/02 MAHNOMEN WINDOWS BROKEN SHED DOOR
TORN OFF
0430 AM 3 S MAHNOMEN MN WIND DAMAGE
06/09/02 MAHNOMEN ONE PRIVATE HANGAR
DESTROYED AND PRIVATE
AIRPLANE INSIDE WAS
DESTROYED. ANOTHER COUNTY
HANGAR WAS SEVERERLY
DAMAGED
0430 AM 3NE ULEN MN 1.75 INCH HAIL
06/09/02 CLAY 12 INCH DIAMETER TREE
LIMBS DOWN
0430 AM TWIN VALLEY MN WIND DAMAGE
06/09/02 NORMAN STEEL POWER TRANSMISSION
POLES DOWN
0500 AM NEW ROCKFORD ND FLASH FLOODS
06/09/02 EDDY FLOODED STREETS REPORTED BY
LAW ENFORCEMENT
0500 AM 6W OGEMA MN WIND DAMAGE
06/09/02 BECKER 6 INCH DIAMETER BRANCHES
BLOWN DOWN
0500 AM 6W OGEMA MN WIND DAMAGE
06/09/02 BECKER 6 INCH TREE LIMBS DOWN
0504 AM 6 SE TWIN VALLEY MN .75 INCH HAIL
06/09/02 NORMAN
0515 AM 4E ULEN MN .75 INCH HAIL
06/09/02 CLAY REPORTED BY CO-OP
OBSERVERS
0554 AM BEJOU MN WIND DAMAGE
06/09/02 MAHNOMEN TREES DOWN
0530 AM RED LAKE MN FLASH FLOODS
06/09/02 RED LAKE SHERIFF OFFICE
REPORTED ROADS WASHED OUT
0600 AM 3 E ULEN MN .75 INCH HAIL
06/09/02 CLAY 5 INCH DIAMETER LIMBS ALSO
DOWN
0600 AM 5W MAHNOMEN MN FLASH FLOODS
06/09/02 MAHNOMEN HIGHWAY 200 UNDER
WATER REPORTED BY LAW
ENFORCEMENT
0600 AM 3SW FLOM MN 1.75 INCH HAIL
06/09/02 NORMAN
DAMAGED.
0600 AM DEVILS LAKE ND FLASH FLOODS
06/09/02 RAMSEY FLOODED ROADS IN DEVILS
LAKE REPORTED BY LAW
ENFORCEMENT
0605 AM 5 W SYRE MN FLASH FLOODS
06/09/02 NORMAN HIGHWAY 113 FLOODED
0607 AM MAHNOMEN MN 67 MPH TSTM WND GUST
06/09/02 MAHNOMEN MEASURED AT MN DOT RWIS
SITE ALONG HIGHWAY 59
0630 AM 5W WAUBUN MN 1.75 INCH HAIL
06/09/02 MAHNOMEN REPORTED BY CO-OP
OBSERVERS
0630 AM 5E CROOKSTON MN FLASH FLOODS
06/09/02 POLK US HIGHWAY 2 COVERED WITH
WATER
0630 AM FOSSTON MN FLASH FLOODS
06/09/02 POLK COUNTY ROADS
WASHED OUT
0745 AM 3 SW FLOM MN FLASH FLOODS
6/09/02 NORMAN COUNTY ROAD 3 WASHED OUT.
0800 AM 4 W OGEMA MN FLASH FLOODS
06/09/02 BECKER SEVERAL AREA ROADS
COVERED BY WATER REPORTED
BY LAW ENFORCEMENT
0800 AM ULEN MN FLASH FLOODS
06/09/02 CLAY COUNTY ROADS FLOODED.
0800 AM MOORHEAD MN FLASH FLOODS
06/09/02 CLAY INTERSTATE 94 FLOODED AT
MP2 REPORTED BY LAW
ENFORCEMENT
0800 AM LAKOTA ND FLASH FLOODS
06/09/02 NELSON ROADS FLOODED AROUND
LAKOTA AREA
0830 AM RURAL CASS CO ND FLASH FLOODS
06/09/02 CASS NUMEROUS ROADS UNDER WATER
THROUGHOUT COUNTY
0855 AM BAD MEDICINE LAKE MN .88 INCH HAIL
06/09/02 BECKER
0915 AM 1ESE LAKE ITASCA MN .75 INCH HAIL
06/09/02 CLEARWATER
1005 AM GARDNER ND .75 INCH HAIL
06/09/02 CASS
1100 AM ZERKEL MN FLASH FLOODS
06/09/02 CLEARWATER WATER OVER US HIGHWAY
200 REPORTED BY LAW
ENFORCEMENT
0100 PM GRAND FORKS ND FLASH FLOODS
06/09/02 GRAND FORKS FLOODING ON SEVERAL CITY
STREETS REPORTED BY LAW
ENFORCEMENT
0100 PM RURAL POLK MN FLASH FLOODS
06/09/02 POLK NUMEROUS COUNTY ROADS
0100 PM RURAL PENNINGTON MN FLASH FLOODS
06/09/02 PENNINGTON MANY RURAL AND SECONDARY
ROADS UNDER WATER REPORTED
BY LAW ENFORCEMENT
0146 PM 7NNE EAST GRAND FORKS MN .75 INCH HAIL
06/09/02 POLK
0240 PM RURAL RED LAKE MN FLASH FLOODS
06/09/02 RED LAKE NUMEROUS RURAL ROADS
UNDER WATER REPORTED BY LAW
ENFORCEMENT
0400 PM NEWFOLDEN MN FLASH FLOODS
06/09/02 MARSHALL STREETS FLOODED MIDDLE
RIVER AT BANKFUL REPORTED BY
CO-OP OBSERVERS
0400 PM ERIE MN FLASH FLOODS
06/09/02 RED LAKE SEVERAL COUNTY AND
SECONDARY ROADS UNDER 1 TO
2 FEET WATER REPORTED BY
CO-OP OBSERVERS
0400 PM PLUMMER MN FLASH FLOODS
06/09/02 RED LAKE COUNTY HIGHWAY 1 AT US
HIGHWAY 59 UNDERWATER
REPORTED BY CO-OP
OBSERVERS
0811 PM 15S BAUDETTE MN 1.00 INCH HAIL
06/09/02 LAKE OF THE WOODS REPORTED BY
PUBLIC
0823 PM CLEMENTSON MN .75 INCH HAIL
06/09/02 LAKE OF THE WOODS REPORTED BY
PUBLIC
1105 PM BAUDETTE MN FLASH FLOODS
06/09/02 LAKE OF THE WOODS COUNTY ROADS 65...66...AND 3
WASHED OUTThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 6:48 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 42 min |
| Jun 10, 7:08 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 52 min |
| Jun 10, 7:29 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 31 min |
| Jun 10, 8:13 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 47 min |
| Jun 10, 9:22 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 38 min |
| Jun 10, 9:45 AM CDT | Flash Flood Warning | FGF | Pembina | 3 hr |
| Jun 10, 11:09 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 51 min |
| Jun 10, 1:08 PM CDT | Flash Flood Warning | FGF | Cavalier, Pembina | 4 hr |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2002Every severe thunderstorm warning in 2002
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.