Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 124, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 13, 2003, 10:18 PM CDT for Norman County, Minnesota. It was in force for 57 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
- Jul 13, 2003, 10:18 PM CDT (03:18 UTC)
- Expired
- Jul 13, 2003, 11:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Norman County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 63 km from the middle of the area, began a volume at 03:18 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.
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 13, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 3.3 hours before the alert went out and 276 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
- 9 J/kg
- Mixed-layer CIN
- -491 J/kg
- Mixed-layer LCL
- 1667 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 140318 SVRFGF MNC107-140415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1018 PM CDT SUN JUL 13 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORMAN COUNTY IN NORTHWEST MINNESOTA. * UNTIL 1115 PM CDT. * AT 1013 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 18 MILES WEST OF HADLER...OR ABOUT 33 MILES NORTH OF FARGO...MOVEMENT WAS TO THE SOUTHEAST AT 55 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HALSTAD AT 1025 PM... ADA AT 1030 PM... TWIN VALLEY AT 1045 PM. WINDS UP TO 80 MPH ARE LIKELY WITH THIS STORM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4747 9679 4720 9681 4718 9614 4745 9611 $$ DONAVON
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 13, 8:20 PM CDT, 1 hour 58 minutes earlier.
Area forecast discussion, Jul 13, 8:20 PM CDT, 1 hour 58 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 820 PM CDT SUN JUL 13 2003 ...ABBREVIATED DISCUSSION DUE TO ONGOING SEVERE WEATHER... NEAR TERM/ANALYSIS...A SEVERE/TORNADIC CONVECTIVE CLUSTER IN CENTRAL ND IS MOVING STEADILY EWD AT AROUND 45KTS...WITH ADDN SEVERE LINE EXTENDING NEWD INTO SWRN BENSON CNTY. EXPECT SVR TSTMS INTO THE GRAND FORKS AREA BY 10 PM...WITH LIKELY DEVELOPMENT SOUTHWARD ALG THE LINE...AND INTO THE FARGO-MOORHEAD AREA BY 11PM. A SFC COLD FRONT IS SWEEPING SEWD THROUGH WCNTL ND AND IS EXPECTED TO PUSH ACROSS THE NRN RRV SHORTLY AFTER MIDNIGHT. MUCAPE VALUES ACROSS EASTERN ND ARE APPROACHING 3500-400J/KG...AS LOW LEVEL MOISTURE POOLS AHEAD OF THIS FRONT. THE 21Z RUC SHOWS THESE HIGH INSTABILITIES SHIFTING INTO WRN MN THROUGH THE LATE EVENING AND OVERNIGHT HOURS. COORD WITH SPC INDICATES THAT SEVERE TSTM WATCH WILL LIKLEY BE ISSUED INTO THE RRV AND NORTHWEST-WEST CENTRAL MN FROM 10PM INTO OVERNIGHT HOURS. MONDAY...EXPECT A SECOND ROUND OF STRONG TO SEVERE THUNDERSTORMS TO DEVELOP ACROSS ERN MT TONIGHT...AND MOVE ACROSS ND DURING THE OVERNIGHT AND EARLY MORNING HOURS. THUS ADDN TSTMS ACTIVITY IS EXPECTED THROUGH THE MONDAY FORENOON HOURS. MUCH DEPENDS ON HOW AND IF SFC LOW PRESSURE DEEPENS INTO SCNTRL ND AROUND 12Z AS NOSE OF 500-300MB JET NOSES INTO WRN ND. UPR DIVERGENCE HAS BEEN PROGGED CONSISTENTLY HIGH WITH THIS FEATURE AND SHOULD ADD IN DEVELOPMENT OF WIDESPREAD AND PERSISTENT CONVECTION INTO THE FGF CWFA FOR EARLY MONDAY. THREAT FOR TRAINING ECHOES AND/OR REPEATED TSTMS WITH HEAVY RAIN EXISTS THROUGH MONDAY MORNING...MAINLY ACROSS THE SRN PORTIONS OF THE FGF CWFA. .FGF...SEVERE TSTM WATCH FOR EASTERN ND TIL 10PM. EXTENSION EXPECTED INTO NORTHWEST MN AFTER 10PM. GUST
Hazardous weather outlook, Jul 13, 6:32 AM CDT, 15 hours 46 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-131430- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 632 AM CDT SUN JUL 13 2003 ...SCATTERED SEVERE THUNDERSTORMS TO DEVELOP LATE TODAY AND TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP AFTER 4 PM THIS AFTERNOON ACROSS THE DEVILS LAKE REGION AND THE FAR NORTHERN PORTION OF THE RED RIVER VALLEY. THUNDERSTORM COVERAGE IS EXPECTED TO INCREASE AND SPREAD OVER THE REST OF THE REGION AFTER 7 PM. THE THREAT FOR SEVERE WEATHER WILL THEN CONTINUE INTO MUCH OF THE NIGHT. DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREATS. THE THUNDERSTORMS WILL FORM IN A VERY WARM AND UNSTABLE AIRMASS TODAY AHEAD OF A WEAK COLD FRONT THAT WILL EXTEND FROM NEAR WINNIPEG TO MINOT TO DICKINSON LATE THIS AFTERNOON. THE FRONT WILL MOVE EAST ACROSS THE REGION OVERNIGHT AND EARLY MONDAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A CHANCE OF THUNDERSTORMS WILL CONTINUE INTO MONDAY...BUT NO SEVERE WEATHER IS EXPECTED. THE NEXT CHANCE OF THUNDERSTORMS WILL COME THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER 4 PM TODAY THROUGH TONIGHT. RIDDLE
In the hours before
Local storm report, Jul 13, 8:48 PM CDT, 1 hour 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
848 PM CDT SUN JUL 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0846 PM 8 S HAMAR ND E60 MPH WIND GUST
07/13/03 EDDY LARGE BRANCHES BROKE AND
SMALLER TREES BENT
SEVERELY. REPORTED BY
TRAINED SPOTTER.
GJGLocal storm report, Jul 13, 9:18 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
918 PM CDT SUN JUL 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0906 PM 7 SW MCVILLE ND E65 MPH WIND GUST
07/13/03 NELSON
0906 PM 8 NNE BINFORD ND E65 MPH WIND GUST
07/13/03 GRIGGS
GJGLocal storm report, Jul 13, 10:01 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1001 PM CDT SUN JUL 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0945 PM 4 E GOLDEN LAKE ND E70 MPH WIND GUST
07/13/ STEELE LARGE TREE SNAPPED OFF
REPORTED BY PUBLIC.
GJGLocal storm report, Jul 13, 10:01 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT ...CORRECTED
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1001 PM CDT SUN JUL 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0945 PM 4 E GOLDEN LAKE ND E70 MPH WIND GUST
07/13/03 STEELE LARGE TREE SNAPPED OFF
REPORTED BY PUBLIC.
GJGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 2:54 PM CDT | Tornado Warning | FGF | Kittson | 66 min |
| Jul 14, 3:04 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 41 min |
| Jul 14, 4:00 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 45 min |
| Jul 14, 4:05 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 40 min |
| Jul 14, 4:41 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 49 min |
| Jul 14, 4:48 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 42 min |
| Jul 14, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 44 min |
| Jul 14, 5:58 PM CDT | Tornado Warning | FGF | Polk | 47 min |
| Jul 14, 6:00 PM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 45 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2003Every severe thunderstorm warning in 2003
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.