Alert archive / North Dakota / Tornado Warnings in 2005
Tornado Warning 12, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at May 20, 2005, 6:25 PM CDT for Barnes County, North Dakota. It was in force for 50 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
- May 20, 2005, 6:25 PM CDT (23:25 UTC)
- Expired
- May 20, 2005, 7:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Barnes County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 90 km from the middle of the area, began a volume at 23:25 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 20, 6:10 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.4 hours before the alert went out and 191 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
- 184 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 202325 TORFGF NDC003-210015- /O.NEW.KFGF.TO.W.0012.050520T2325Z-050521T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 625 PM CDT FRI MAY 20 2005 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... BARNES COUNTY IN SOUTHEAST NORTH DAKOTA THIS INCLUDES THE CITY OF VALLEY CITY * UNTIL 715 PM CDT * AT 620 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES SOUTHWEST OF URBANA...OR 21 MILES WEST OF VALLEY CITY...MOVING TO THE EAST AT 15 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... ECKELSON AT 645 PM SANBORN AT 705 PM 8 MILES SOUTHWEST OF BALD HILL DAM...8 MILES SOUTH OF ROGERS AND 9 MILES WEST OF VALLEY CITY AT 715 PM IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4717 9843 4669 9841 4669 9785 4721 9790 $$ GV
2 follow-up statements
000 WWUS53 KFGF 202347 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 647 PM CDT FRI MAY 20 2005 NDC003-210015- /O.CON.KFGF.TO.W.0012.000000T0000Z-050521T0015Z/ BARNES ND- 647 PM CDT FRI MAY 20 2005 ...A TORNADO WARNING CONTINUES UNTIL 715 PM CDT FOR BARNES COUNTY... AT 644 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED NEAR ECKELSON...OR 15 MILES WEST OF VALLEY CITY...MOVING TO THE EAST AT 15 MPH. THE TORNADO WILL BE NEAR... SANBORN BY 655 PM CDT... VALLEY CITY AND 7 MILES SOUTH OF BALD HILL DAM BY 715 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4717 9843 4669 9841 4669 9785 4721 9790 $$ GV
000 WWUS53 KFGF 210014 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 714 PM CDT FRI MAY 20 2005 NDC003-210023- /O.EXP.KFGF.TO.W.0012.000000T0000Z-050521T0015Z/ BARNES ND- 714 PM CDT FRI MAY 20 2005 ...THE TORNADO WARNING FOR BARNES COUNTY EXPIRED AT 715 PM CDT... AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED 2 MILES NORTHEAST OF SANBORN...OR 9 MILES WEST OF VALLEY CITY...MOVING TO THE EAST AT 15 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO THE WARNING WAS ALLOWED TO EXPIRE AT 715 PM CDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4717 9843 4669 9841 4669 9785 4721 9790 $$ GV
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 4:09 PM CDT | Tornado Warning | FGF | Steele | 37 min |
| May 20, 4:24 PM CDT | Tornado Warning | FGF | Traill | 51 min |
| May 20, 4:35 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 40 min |
| May 20, 4:39 PM CDT | Tornado Warning | FGF | Grand Forks | 36 min |
| May 20, 4:56 PM CDT | Tornado Warning | FGF | Cass | 64 min |
| May 20, 5:46 PM CDT | Tornado Warning | FGF | Richland | 44 min |
| May 20, 5:55 PM CDT | Tornado Warning | FGF | Cass | 33 min |
| May 20, 6:30 PM CDT | Tornado Warning | FGF | Richland | 60 min |
Nearby
Tornado Warnings in North Dakota, 2005Every tornado warning in 2005Tornadoes in 2005
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.