Alert archive / North Dakota / Tornado Warnings in 2005
Tornado Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at May 8, 2005, 8:34 PM CDT for Griggs County, North Dakota. It was in force for 41 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 8, 2005, 8:34 PM CDT (01:34 UTC)
- Expired
- May 8, 2005, 9:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Griggs County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 76 km from the middle of the area, began a volume at 01:36 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 8, 3:50 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.6 hours before the alert went out and 194 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1356 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -186 m²/s²
- 0-3 km storm-relative helicity
- -179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 090134 TORFGF NDC039-090215- /O.NEW.KFGF.TO.W.0004.050509T0134Z-050509T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 834 PM CDT SUN MAY 8 2005 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA * UNTIL 915 PM CDT * AT 831 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES WEST OF WALUM...OR 26 MILES NORTHWEST OF VALLEY CITY...MOVING TO THE NORTHWEST AT 15 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... HANNAFORD AT 840 PM REVERE AT 900 PM SUTTON AT 915 PM IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4726 9842 4726 9809 4767 9819 4766 9849 $$ VOELKER
2 follow-up statements
000 WWUS53 KFGF 090149 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 849 PM CDT SUN MAY 8 2005 NDC039-090215- /O.CON.KFGF.TO.W.0004.000000T0000Z-050509T0215Z/ GRIGGS ND- 849 PM CDT SUN MAY 8 2005 ...A TORNADO WARNING CONTINUES UNTIL 915 PM CDT FOR GRIGGS COUNTY... AT 844 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED 4 MILES SOUTH OF REVERE...OR 30 MILES NORTHWEST OF VALLEY CITY...MOVING TO THE NORTHWEST AT 15 MPH. THE TORNADO WILL BE NEAR... REVERE BY 900 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4726 9842 4726 9809 4767 9819 4766 9849 $$ VOELKER
000 WWUS53 KFGF 090215 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 915 PM CDT SUN MAY 8 2005 NDC039-090225- /O.EXP.KFGF.TO.W.0004.000000T0000Z-050509T0215Z/ GRIGGS ND- 915 PM CDT SUN MAY 8 2005 ...THE TORNADO WARNING FOR GRIGGS COUNTY EXPIRED AT 915 PM CDT... DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND THE WARNING WAS ALLOWED TO EXPIRE AT 915 PM CDT. LAT...LON 4726 9842 4726 9809 4767 9819 4766 9849 $$ VOELKER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:05 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 55 min |
| May 8, 7:13 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson, Steele | 47 min |
| May 8, 8:02 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 58 min |
| May 8, 10:26 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 51 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.