Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 149, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 19, 2003, 3:03 PM CDT for Wadena County, Minnesota. It was in force for 12 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 19, 2003, 3:03 PM CDT (20:03 UTC)
- Expired
- Jul 19, 2003, 3:15 PM CDT
- In force
- 12 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Wadena County, MN
The radar
The Duluth radar (KDLH), 184 km from the middle of the area, began a volume at 20:03 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 19, 2:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 200 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
- 1684 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 111 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 192003 SVRFGF MNC159-192015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 300 PM CDT SAT JUL 19 2003 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL WADENA COUNTY IN CENTRAL MINNESOTA. * UNTIL 315 PM CDT. * AT 257 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER OYLEN...OR ABOUT 53 MILES EAST OF DETROIT LAKES...MOVEMENT WAS TO THE SOUTHEAST AT 25 MPH. * THIS STORM WILL AFFECT LOCATIONS AROUND OLYEN AND THEN EXIT THE COUNTY BY 315 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4669 9476 4655 9492 4621 9433 4641 9412 $$ 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 19, 10:30 AM CDT, 4 hours 33 minutes earlier.
Area forecast discussion, Jul 19, 10:30 AM CDT, 4 hours 33 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1030 AM CDT SAT JUL 19 2003 MAIN CHALLENGE IS CONVECTIVE POTENTIAL THIS AFTN/TONIGHT. SMALL AREA OF ELEVATED CONVECTION MOVING SOUTHEAST FROM DETROIT LAKES TO PARK RAPIDS. OTHERWISE..WEAK SFC TROUGH LOCATED ALONG NR A HALLOCK-GRAND FORKS-FARGO LINE MOVING SLOWLY EAST. LOTS OF INSTABILITY ALONG AND EAST OF THIS TROUGH DUE TO WARM 85H TEMPS WITH CAPES PROGGED OVER 3000 J/KG AND LI DROPPING TO -8 OR LOWER THIS AFTN. TROUGH MOVING EAST INTO MN WHERE CONVECTIVE TEMPS ARE A BIT LOWER (ETA SOUNDINGS SHOWS PKD CONVECTIVE TEMPS NR 85). ISOLD TSRA COULD RE-FIRE ALONG THIS TROUGH IN MN THIS AFTN AND COULD BE ISOLATED SVR AS WELL. FZLVL VERY HIGH GENERALLY 14000 TO 14500 EAST OF TROUGH. FOR ERN ND...WINDS THIS AFTN WILL BE LIGHT NORTHERLY. CONVECTIVE TEMPS IN SE ND WILL BE NEAR 90 AND IN THE MID 80S NORTH. NOT MUCH FORMED ALONG AND WEST OF TROUGH IN CNTRL ND YESTERDAY SO NOT EXPECTING MUCH ACTIVITY OVER ERN ND THIS AFTN. WILL HOWEVER LEAVE ISOLD TSRA IN FOR LATE THIS AFTN AFTER COORD WITH ABR/BIS JUST IN CASE SOMETHING CAN BREAK WARM LAYER WITH AFTN HEATING. WATER VAPOR/RUC ALL SHOWING 80KT 250MB JET MOVING EAST THRU SRN SASK INTO SRN MANITOBA BY EARLY THIS EVENING. REAL COOL FRONT WITH DRIER PUCH BEHIND IT AND ASSOC WITH THIS UPPER LEVEL JET WILL MOVE INTO NW ND THIS AFTN AND INTO ERN ND OVERNIGHT. THIS FEATURE WILL HAVE BETTER CHC FOR SOME CONVECTION AS 85H WARM LAYER DIMINISHES OVERNIGHT THOUGH INSTABILITES ARE LESS. WILL CONTINUE MENTION ISOLD SVR THIS AFTN AND WILL INCLUDE THIS EVENING. BUT COVERAGE NOT EXPECTED TO BE GREAT. .FGF...NONE. RIDDLE
Hazardous weather outlook, Jul 19, 11:10 AM CDT, 3 hours 53 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-191815- HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1110 AM CDT SAT JUL 19 2003 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 OVER EASTER NORTH DAKOTA AND NORTHWESTERN MINNESOTA BETWEEN 4 PM TODAY AND 3 AM TONIGHT. A WEAK TROUGH OF LOW PRESSURE WILL MOVE EAST INTO NORTHWESTERN MINNESOTA THIS AFTERNOON. SCATTERED THUNDERSTORMS ARE EXPECTED ALONG THIS TROUGH THIS AFTERNOON AND EARLY EVENING EAST OF THE RED RIVER...WITH A FEW OF THESE POSSIBLY SEVERE WITH DAMAGING WINDS AND LARGE HAIL. THERE IS ALSO A SMALL CHANCE FOR AN ISOLATED THUNDERSTORM OVER EASTERN NORTH DAKOTA LATE THIS AFTERNOON OR EVENING. THERE IS A GREATER CHANCE FOR THUNDERSTORMS TONIGHT ACROSS THE REGION..A FEW OF THESE MAY BECOME SEVERE AS WELL WITH DAMAGING WINDS AND LARGE HAIL. A STRONGER FRONT WILL DROP SOUTHEAST OUT OF CANADA AND INTO NORTHWEST NORTH DAKOTA THIS AFTERNOON AND ACROSS EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA OVERNIGHT. THIS FRONT WILL HAVE BETTER UPPER LEVEL SUPPORT AND IS EXPECTED TO GIVE A BETTER CHANCE FOR THUNDERSTORM DEVELOPMENT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A FEW THUNDERSTORMS MAY LINGER INTO SUNDAY MORNING ACROSS SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA. A CHANCE OF THUNDERSTORMS EXISTS AGAIN LATE THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER 4 PM TODAY AND THROUGH THE EVENING. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.CRH.NOAA.GOV/FGF/INDEX.HTML (ALL LOWER CASE) RIDDLE
In the hours before
Local storm report, Jul 19, 12:36 PM CDT, 2 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1236 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1210 PM LAKE ITASCA MN .75 INCH HAIL
07/19/03 CLEARWATER REPORTED BY CO-OP OBSERVER.
1215 PM LAKE ITASCA MN 1.75 INCH HAIL
07/19/03 CLEARWATER REPORTED BY LAKE ITASCA
STATE PARK PERSONNEL.
1223 PM GUTHRIE MN 1.00 INCH HAIL
07/19/03 HUBBARD
WJBLocal storm report, Jul 19, 12:48 PM CDT, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1248 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1240 PM 10 NE PARK RAPIDS MN 1.75 INCH HAIL
07/19/03 HUBBARD
1240 PM 11 NE PARK RAPIDS MN 1.00 INCH HAIL
07/19/03 HUBBARD
WJBLocal storm report, Jul 19, 12:51 PM CDT, 2 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1251 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1240 PM 11 NE PARK RAPIDS MN 1.00 INCH HAIL
07/19/03 HUBBARD
WJBLocal storm report, Jul 19, 1:23 PM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
123 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0105 PM 5 ENE NEVIS MN 1.00 INCH HAIL
07/19/03 HUBBARD REPORTED BY TRAINED
SPOTTER.
WJBLocal storm report, Jul 19, 2:14 PM CDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
214 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0150 PM 6 NW NEVIS MN .75 INCH HAIL
07/19/03 HUBBARD REPORTED BY TRAINED
SPOTTER.
WJBLocal storm report, Jul 19, 2:21 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
221 PM CDT SAT JUL 19 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0215 PM 5 S PARK RAPIDS MN 1.00 INCH HAIL
07/19/03 HUBBARD REPORTED BY TRAINED
SPOTTER.
WJBThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 11:59 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Hubbard | 46 min |
| Jul 19, 12:42 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 33 min |
| Jul 19, 1:33 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 57 min |
| Jul 19, 2:22 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard, Wadena | 38 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.