Alert archive / North Dakota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 64, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 27, 2003, 6:20 PM CDT for Towner County, North Dakota. It was in force for 25 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 27, 2003, 6:20 PM CDT (23:20 UTC)
- Expired
- Jun 27, 2003, 6:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County 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 12:00Z, 11.3 hours before the alert went out and 241 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1892 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
854 WUUS53 KFGF 272320 SVRFGF NDC095-272345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 619 PM CDT FRI JUN 27 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL TOWNER COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 645 PM CDT. * AT 616 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF PERTH...OR ABOUT 51 MILES WEST OF LANGDON...MOVEMENT WAS TO THE SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PERTH AT 625 PM... ROCKLAKE AT 640 PM AND BISBEE AT 645 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4888 9952 4874 9968 4840 9909 4883 9906 $$ 55
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 27, 1:50 PM CDT, 4 hours 30 minutes earlier.
Area forecast discussion, Jun 27, 1:50 PM CDT, 4 hours 30 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 150 PM CDT FRI JUN 27 2003 FORECAST CONCERNS WILL BE CONVECTIVE CHANCES AND TEMPS .OVERVIEW... SFC BOUNDARY AND UPPER LEVEL ENERGY CONTINUE TO PUSH SOUTHEAST INTO WESTERN FORECAST AREA. THUNDERSTORMS STARTING TO DEVELOP ACROSS MOST OF CENTRAL INTO SOUTHEASTERN ND. MODELS IN GENERALLY GOOD AGREEMENT AND LIKE ETA MOISTURE/TEMPS PROFILES SO WILL USE. .TONIGHT... WITH UPPER LEVEL VORTICITY MAXIMUM AND JET ENERGY OVERSPREADING REGION TONIGHT...THUNDER WILL BE LIKELY EVERYWHERE TONIGHT WITH FAVORABLE PARAMETERS FOR SEVERE STORMS AS WELL. SEVERE STORMS POSSIBLE UNTIL AROUND 06Z...AND WILL WORD AS SUCH IN GRIDS. TEMPS TO FALL INTO MID 50S EAST AND NEAR 50 FAR NORTHWEST. .SATURDAY THROUGH MONDAY... EXPECT CONTINUE CYCLONIC FLOW AND LI/S BY AFTERNOON AROUND -3C...SO WILL MENTION THUNDER CHANCES ALL DAY IN EAST AND EVERYWHERE IN AFTERNOON WITH TEMPS RISING INTO LOW/MID 70S WITH WARMER TEMPS ALOFT. WEATHER PATTERN SHOULD DRY OUT SAT NIGHT THROUGH MONDAY...WITH WARMING TREND ABOVE NORMAL BY MONDAY WITH BUILDING RIDGE. .EXTENDED... REASONABLE AGREEMENT BETWEEN EXTENDED MODELS AND CONTINUITY BETWEEN GFS UNTIL LATE. MID LEVEL RIDGE FLATTENS EARLY TRANSITIONING FA IN SW/ZONAL FLOW THROUGH REMAINDER OF PERIOD. SFC BOUNDARY SETTING UP FROM S MB TO WESTERN HIGH PLAINS TUESDAY. MID LEVEL SUPPORT LOOKS WEAK WITH FAVORED AREA ACROSS NORTH. BETTER CHANCES WEDNESDAY AS SFC BOUNDARY PUSHES THROUGH WITH MORE SIGNIFICANT WAVE...AGAIN MAIN ENERGY LOOKS TO BE ACROSS SOUTHERN CANADA. THERMAL RIDGE PEAKS PRIOR TO FROPA WITH FALLING THICKNESS/850MB TEMPS THEREAFTER. .FGF...NONE KELLENBENZ/VOELKER
Hazardous weather outlook, Jun 27, 6:05 AM CDT, 12 hours 15 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-271300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 605 AM CDT FRI JUN 27 2003 ...A SLIGHT RISK OF SEVERE WEATHER EXISTS ACROSS EASTERN NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA TODAY AND TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT A SLIGHT RISK OF SEVERE WEATHER EXISTS FOR EASTERN NORTH DAKOTA... NORTHWEST AND WEST CENTRAL MINNESOTA TODAY AND TONIGHT. THE MAIN SEVERE WEATHER THREATS ARE LARGE HAIL AND DAMAGING WINDS. IN ADDITION...THERE IS THE POTENTIAL FOR ISOLATED TORNADOS. THE THUNDERSTORMS ARE EXPECTED TO DEVELOP IN CENTRAL NORTH DAKOTA THIS AFTERNOON...TRACK INTO EASTERN NORTH DAKOTA BY LATE AFTERNOON...AND THEN MOVE INTO NORTHWEST AND WEST CENTRAL MINNESOTA THIS EVENING. A STRONG UPPER LEVEL DISTURBANCE IN CONJUNCTION WITH AN AREA OF LOW PRESSURE AND ITS ASSOCIATED FRONTAL BOUNDARY WILL MOVE THROUGH THE AREA TODAY AND TONIGHT...PROVIDING THE FOCUS FOR THUNDERSTORM DEVELOPMENT...SOME OF WHICH COULD BE SEVERE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A CHANCE FOR THUNDERSTORMS IN ALL BUT SOUTHEASTERN NORTH DAKOTA ON SATURDAY...AND FOR THE WHOLE AREA FROM TUESDAY AFTERNOON THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON INTO TONIGHT. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.CRH.NOAA.GOV/FGF/INDEX.HTML (ALL LOWER CASE) NG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 5:20 PM CDT | Tornado Warning | FGF | Sargent | 40 min |
| Jun 27, 5:42 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 48 min |
| Jun 27, 6:47 PM CDT | Tornado Warning | FGF | Towner | 43 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.