Alert archive / North Dakota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 27, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 17, 2003, 2:14 PM CDT for Traill County, North Dakota. It was in force for 46 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 17, 2003, 2:14 PM CDT (19:14 UTC)
- Expired
- Jun 17, 2003, 3:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 8 km from the middle of the area, began a volume at 19:15 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.2 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
- 14 J/kg
- Mixed-layer CIN
- -217 J/kg
- Mixed-layer LCL
- 1538 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -7 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 171914 SVRFGF NDC097-172000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 213 PM CDT TUE JUN 17 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TRAILL COUNTY IN SOUTHEAST NORTH DAKOTA. * UNTIL 300 PM CDT. * AT 212 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF MAYVILLE...OR ABOUT 25 MILES SOUTHWEST OF GRAND FORKS...MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MAYVILLE AT 230 PM... CUMMINGS AT 245 PM AND HILLSBORO AT 300 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4769 9735 4758 9749 4727 9707 4747 9687 $$ BERG
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 17, 10:15 AM CDT, 3 hours 59 minutes earlier.
Area forecast discussion, Jun 17, 10:15 AM CDT, 3 hours 59 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1015 AM CDT TUE JUN 17 2003. ...CHALLENGE FOR THE AFTERNOON UPDATE WILL BE THUNDER CHANCES... .CURRENT OBSERVATIONS... BEST SURFACE BOUNDARY CURRENTLY LOCATED OVER SOUTHERN SASKATCHEWAN AND MANITOBA. MAIN FEATURE WITH BOUNDARY IS LOWER 50 DEWPOINTS ON THE BACKSIDE COMPARED TO MID 60 DEWPOINTS POOLING AHEAD OF FRONT. UPPER LEVEL TROUGH SITUATED ABOVE THE RED RIVER VALLEY WITH BEST JET ENERGY TO THE NORTH OF THE REGION. .THIS AFTERNOON... KEY FOR THE AFTERNOON IS HOW WELL MODELS ARE HANDLING THE TIMING OF DRIER DEWPOINTS MOVING INTO THE REGION. LATEST ETA APPEARS WAY TOO FAST AND MAY BE GETTING INTO TIME OF YEAR WHERE EVAPO-TRANSPIRATION IS NOT HANDLED WELL. AS WAVE OVER SASKATCHEWAN NEARS...SOME MID LEVEL COOLING TAKES PLACE THIS AFTERNOON AND SHOULD HELP THE INSTABILITY PARAMETERS. OVERALL...BEST THUNDER CHANCES APPEAR ACROSS MINNESOTA WHERE INTERACTION WITH UPPER LEVEL TROUGH WILL HELP. ALONG THE RED RIVER VALLEY AND EAST...LITTLE UPPER LEVEL SUPPORT IS AVAILABLE AND REGION DOES GET INTO THE RIGHT EXIT REGION OF THE 250 MB JET...WHICH MAY HELP INHIBIT CONVECTION. CHANCES LIKELY RIDING ON TIMING OF BOUNDARY PASSAGE. WILL LIKELY ADD THUNDER MENTION EVERYWHERE THIS AFTERNOON WITH ISOLATED WEST OF VALLEY AND SCT TO THE EAST. WILL OPEN UP RANGE FOR AFTERNOON HIGHS AS WELL WITH SOME TWEAKS TO SKY COVER NEEDED. .FGF...NONE. DONAVON
Hazardous weather outlook, Jun 17, 11:38 AM CDT, 2 hours 36 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-171930- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1138 AM CDT TUE JUN 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND EVENING. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS. THE SEVERE THREAT WILL COME TO AN END THIS EVENING WITH A FEW LINGERING SHOWERS AND THUNDERSTORMS POSSIBLE OVERNIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY EVENING. DONAVON
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 2:01 AM CDT | Flash Flood Warning | FGF | Grand Forks | 4 hr |
| Jun 17, 12:56 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 49 min |
| Jun 17, 3:49 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 41 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.