Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 51, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 23, 2003, 1:55 PM CDT for Otter Tail County, Minnesota. It was in force for 35 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 23, 2003, 1:55 PM CDT (18:55 UTC)
- Expired
- Jun 23, 2003, 2:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 202 km from the middle of the area, began a volume at 18:57 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 6.9 hours before the alert went out and 212 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
- 627 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
916 WUUS53 KFGF 231855 SVRFGF MNC111-231930- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 154 PM CDT MON JUN 23 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA. * UNTIL 230 PM CDT. * AT 152 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER PARKERS PRAIRIE...OR ABOUT 37 MILES EAST OF FERGUS FALLS...MOVEMENT WAS TO THE EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WRIGHTSTOWN AT 210 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM MONDAY EVENING FOR NORTH CENTRAL MINNESOTA. LAT...LON 4634 9560 4613 9556 4613 9518 4637 9519 $$ 77/GJG
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 23, 9:50 AM CDT, 4 hours 5 minutes earlier.
Area forecast discussion, Jun 23, 9:50 AM CDT, 4 hours 5 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 950 AM CDT MON JUN 23 2003 BASES ARE COVERED WELL THIS MORNING...SO ONLY A FEW MINOR TWEAKS EXPECTED. SLOW MOVING LINE OF THUNDERSTORMS (A FEW SEVERE) SET UP RIGHT ALONG THE RED RIVER VALLEY. THE STRONGEST CELLS ACROSS THE SOUTHEAST FA AND THIS AREA HAS BEEN HIT THE HARDEST WITH RAINFALL DURING THE PAST SEVERAL EVENTS. PRIOR SHIFT ISSUED A FLASH FLOOD WATCH FOR THE SOUTHERN FA AND WITH CURRENT HEAVIER RAIN AND MORE EXPECTED...WILL CONTINUE. SPC SLIGHT RISK AREA COVERS SOUTH/EAST FA SO WILL MAINTAIN POSSIBLE SEVERE WORDING IN THESE AREAS. LOTS OF CLOUDS ALONG THE VALLEY AND EAST WHICH WILL INHIBIT A LOT OF TEMP RISE THIS AFTERNOON. SHOULD SEE BETTER RISE TO THE WEST OF THE VALLEY...BUT THIS AREA WAS COOLER THAN AREAS TO THE EAST. SO TEMPS SHOULD BALANCE OUT TO WHAT IS EXPECTED IN THE GRIDS. WEAK SFC FLOW AND SOUPY DEW POINTS LEADING TO PERSISTENT FOG SO WILL PROBABLY INCLUDE A MENTION INTO EARLY AFTERNOON. .FGF...FLASH FLOOD WATCH ALONG AND SOUTH OF A LINE FROM KFAR-KPKD THIS AFTERNOON AND TONIGHT. GODON
Hazardous weather outlook, Jun 23, 7:31 AM CDT, 6 hours 24 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-231530- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 731 AM CDT MON JUN 23 2003 ...A FLASH FLOOD WATCH IS IN EFFECT FOR PORTIONS OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND TONIGHT... ...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF SOUTHEAST NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF SOUTHEAST NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND EVENING. SEVERE THUNDERSTORMS MAY DEVELOP OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA AFTER 2 PM CDT LIFTING NORTHEAST INTO THE EVENING HOURS. THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. THESE THUNDERSTORMS WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY RAINFALL. WITH RECENT HEAVY RAINS OVER PARTS OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA ADDITIONAL HEAVY RAIN MAY LEAD TO FLOODING PROBLEMS. AS A RESULT A FLASH FLOOD WATCH HAS BEEN ISSUED FOR SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA FOR THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. CHANCES FOR THUNDERSTORMS WILL CONTINUE ACROSS MAINLY SOUTHERN PARTS OF THE REGION INTO WEDNESDAY. AT THIS TIME IT APPEARS THE STRONGEST STORMS WILL BE SOUTH OF THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.CRH.NOAA.GOV/FGF/INDEX.HTML (ALL LOWER CASE) VOELKER
In the hours before
Local storm report, Jun 23, 8:18 AM CDT, 5 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
818 AM CDT MON JUN 23 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 AM 7 NW LITCHVILLE ND .75 INCH HAIL
06/23/03 BARNES REPORTED BY CO-OP
OBSERVER.
DPORTERLocal storm report, Jun 23, 9:23 AM CDT, 4 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
923 AM CDT MON JUN 23 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0918 AM 3 NE HAVANA ND .75 INCH HAIL
06/23/03 SARGENT REPORTED BY PUBLIC.
GJGLocal storm report, Jun 23, 1:35 PM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
135 PM CDT MON JUN 23 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0115 PM HOFFMAN MN WIND DAMAGE
06/23/03 GRANT SEVERAL TREE BRANCHES DOWN
AND UPROOTED TREES.
REPORTED BY TRAINED
SPOTTER.
DPORTERLocal storm report, Jun 23, 1:48 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
148 PM CDT MON JUN 23 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0125 PM 7 W URBANK MN WIND DAMAGE
06/23/03 OTTER TAIL SEVERAL LARGE BRANCHES
DOWN. REPORTED BY PUBLIC.
DPORTERThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 11:32 AM CDT | Flash Flood Warning | FGF | Grant | 8 hr |
| Jun 23, 12:36 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 54 min |
| Jun 23, 12:46 PM CDT | Flash Flood Warning | FGF | Otter Tail | 8 hr |
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.