Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 105, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 4, 2003, 12:02 AM CDT for Grant County, Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 43 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 4, 2003, 12:02 AM CDT (05:02 UTC)
- Expired
- Jul 4, 2003, 12:45 AM CDT
- In force
- 43 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Grant County, MN, Wilkin County, MN, Richland County, ND
The radar
The Aberdeen radar (KABR), 183 km from the middle of the area, began a volume at 05:06 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 3, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 5.0 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
- 1927 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1633 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 040502 SVRFGF MNC051-167-NDC077-040545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1200 AM CDT FRI JUL 4 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... GRANT COUNTY IN WEST CENTRAL MINNESOTA AND SOUTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA. * UNTIL 1245 AM CDT. * AT 1157 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF TENNEY...OR ABOUT 18 MILES SOUTH OF WAHPETON...MOVEMENT WAS TO THE EAST AT 50 MPH. WIND GUSTS TO 70 MPH ARE LIKELY. * THE SEVERE THUNDERSTORM WILL BE NEAR... NASHUA AT 1205 AM... WENDELL AT 1215 AM... ELBOW LAKE AT 1225 AM AND BARRETT AT 1230 AM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4611 9672 4592 9667 4587 9543 4606 9541 $$ DTR/06
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 3, 8:40 PM CDT, 3 hours 22 minutes earlier.
Area forecast discussion, Jul 3, 8:40 PM CDT, 3 hours 22 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 840 PM CDT THU JUL 3 2003 ZFP UPDATED SHORTLY AFTER 8 PM FOR SVR TSTM WATCH FOR PARTS OF SE ND. THUNDERSTORMS GETTING GOING NEAR BISMARCK AND STARTING TO ACCELERATE SOUTHEAST ATTM. SFC-85H WIND FLOW NOT THAT IMPRESSIVE...THOUGH 85H MOISTURE ADVECTION IS PRETTY GOOD ALONG ND/SD BORDER BTWN 03-06Z. MAIN DYNAMICS ARE IN THE MID AND UPPER LEVELS...WITH 00Z BIS SOUNDING AND 00Z UPPER AIR PLOTS SHOWING GOOD 500 MB WESTERLY FLOW (AOA 50KTS) ALONG WITH CNTRL/ERN ND IN RIGHT REAR OF DEPARTING 100KT 250 MB JET. QUESTION OF THE EVENING IS WHAT WILL HAPPEN TO COMPLEX NR BISMARCK. ANOTHER LARGER COMPLEX IS DEVELOPING OVR CNTRL NEBRASKA CLOSER TO BETTER 85H SOUTHERLY JET AND JUICY AIRMASS (70+ DEW PTS) AND SFC BOUNDARY. THINKING ACTIVITY NR BISMARCK WILL TRY TO MOVE EAST...BUT WITH CELLS TURNING SOUTHEAST INTO SD WITH TIME...BRUSHING OUR SOUTHWEST ZONES. AS 850 MB JET GETS GOING TONIGHT...MAIN MCS MAY GET GOING LATER TONIGHT OVER SD INTO PARTS OF SRN MN. LATEST 00Z RUC MAINTAINS PCPN ALONG SE ND/SD INTO WCNTRL MN THRU 12Z WITH ANOTHER STRONGER AREA SOUTH. UNTIL THINGS BECOME MORE CLEAR WILL NOT LIKELY ISSUE ANOTHER UPDATE THIS EVENING UNLESS CONDITIONS WARRANT. SOME GRIDDS WILL NEED MODIFYING FOR CONVECTION...OTHERWISE TEMPS LOOK GOOD. .FGF...NONE RIDDLE
Hazardous weather outlook, Jul 3, 6:55 AM CDT, 17 hours 7 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-031430- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 655 AM CDT THU JUL 3 2003 ...SEVERE WEATHER THREAT CONTINUES ACROSS THE REGION TODAY AND THIS EVENING WITH THE GREATEST RISK TARGETED FOR AREAS ALONG AND SOUTH OF THE I-94 CORRIDOR... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR THIS AFTERNOON AND EVENING FOR AREAS ALONG AND SOUTH OF THE I-94 CORRIDOR. A SLIGHT RISK OF SEVERE THUNDERSTORMS IS POSSIBLE ACROSS THE REMAINDER OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. THE MAIN THREAT FROM THE STORMS WILL BE DAMAGING WINDS...LARGE HAIL AND VERY HEAVY RAINS. HOWEVER THE POTENTIAL EXISTS FOR SIGNIFICANT STRAIGHT LINE WIND DAMAGE AND ISOLATED TORNADOES ACROSS SOUTHEAST NORTH DAKOTA INTO ADJACENT WEST CENTRAL MINNESOTA COUNTIES. THE GREATEST RISK FOR SEVERE WEATHER SHOULD OCCUR BETWEEN THE HOURS OF 2PM AND 9PM THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ADDITIONAL CHANCES OF THUNDERSTORMS ARE EXPECTED SATURDAY NIGHT INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND EVENING. BERG
In the hours before
Local storm report, Jul 3, 11:03 PM CDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1103 PM CDT THU JUL 3 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1055 PM 4 WSW COGSWELL ND E60 MPH WIND GUST
07/03/03 SARGENT POWER OUTAGES IN RURAL
AREAS WEST OF COGSWELL
AROUND 1050 PM CDT. WIND
INCREASING FROM 50 TO 60
MPH 1050 TO 1055 PM.
GJGLocal storm report, Jul 3, 11:10 PM CDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1110 PM CDT THU JUL 3 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1055 PM 4 WSW COGSWELL ND E60 MPH WIND GUST
07/03/03 SARGENT POWER OUTAGES IN RURAL
AREAS WEST OF COGSWELL
AROUND 1050 PM CDT. WIND
INCREASING FROM 50 TO 60
MPH 1050 TO 1055 PM.
1103 PM 1 SE GWINNER ND 63 MPH WIND GUST
07/03/03 SARGENT GWINNER AIRPORT AWOS
REPORTED 55KT WIND GUST.
1107 PM GWINNER ND 80 MPH WIND GUST
07/03/03 SARGENT DAVIS WIND SENSOR DATA
REPORTED BY TRAINED
SPOTTER.
GJGLocal storm report, Jul 3, 11:26 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1126 PM CDT THU JUL 3 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 PM HAVANA ND .88 INCH HAIL
07/03/03 SARGENT ABOUT 5 MINUTES OF DIME TO
NICKEL HAIL 1110 TO 1115 PM
REPORTED BY TRAINED
SPOTTER.
1112 PM 6 W RUTLAND ND .88 INCH HAIL
07/03/03 SARGENT BRIEF HAIL AND WIND GUST
ESTIMATED GREATER THAN 60
MPH REPORTED BY TRAINED
SPOTTER.
1115 PM HAVANA ND E80 MPH WIND GUST
07/03/03 SARGENT REPORTED BY TRAINED
SPOTTER.
GJGLocal storm report, Jul 3, 11:41 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1141 PM CDT THU JUL 3 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1133 PM 1 E GENESEO ND .75 INCH HAIL
07/03/03 SARGENT ACCOMPANIED BY STRONG
WINDS FROM 1133 TO 1136 PM.
REPORTED BY TRAINED SPOTTER
.
1135 PM 5 W LIDGERWOOD ND .75 INCH HAIL
07/03/03 RICHLAND REPORTED BY TRAINED
SPOTTER.
GJGLocal storm report, Jul 3, 11:57 PM CDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1157 PM CDT THU JUL 3 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1055 PM 2 S BRAMPTON ND WIND DAMAGE
07/03/03 SARGENT ESTIMATED WINDS 80-90 MPH.
LARGE TREE LIMBS BROKEN
OFF. TV ANTENNA AND
SATELLITE DISH TORN OFF
ROOF. WINDOWS BROKEN OUT BY
WIND DRIVEN HAIL. NICKEL
SIZED HAIL ALSO REPORTED BY
TRAINED SPOTTER.
GJGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 12:32 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 43 min |
| Jul 3, 10:20 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 55 min |
| Jul 3, 10:59 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 61 min |
| Jul 3, 11:13 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 32 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2003Severe 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.