Alert archive / Minnesota / Tornado Warnings in 2008
Tornado Warning 31, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 7, 2008, 7:23 PM CDT for Marshall County, Minnesota; Walsh County, North Dakota. It was in force for 39 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 7, 2008, 7:23 PM CDT (00:23 UTC)
- Expired
- Jul 7, 2008, 8:02 PM CDT
- In force
- 39 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Marshall County, MN, Walsh County, ND
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 7, 5:30 PM CDT | Tornado Watch | SPC | 3 hr |
| Jul 7, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.4 hours before the alert went out and 252 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
- 8 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 395 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 080023
TORFGF
MNC089-NDC099-080130-
/O.NEW.KFGF.TO.W.0031.080708T0023Z-080708T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
723 PM CDT MON JUL 7 2008
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN WALSH COUNTY IN NORTHEAST NORTH DAKOTA...
THIS INCLUDES THE CITY OF GRAFTON...
WESTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA...
* UNTIL 830 PM CDT
* AT 718 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTH OF
WARSAW...OR 8 MILES SOUTHEAST OF GRAFTON...MOVING TO THE EAST AT 37
MPH.
* THE TORNADO WILL BE NEAR...
BIG WOODS AT 730 PM CDT...
ARGYLE AT 750 PM CDT...
7 MILES NORTH OF WARREN AT 800 PM CDT...
RADIUM AT 810 PM CDT...
INTERSTATE 29 BETWEEN MILE MARKERS 168 AND 173 AT 725 PM CDT...
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.
LAT...LON 4846 9620 4817 9625 4817 9668 4827 9743
4847 9740
TIME...MOT...LOC 0023Z 277DEG 32KT 4833 9721
$$
PJS/PR2 follow-up statements
000
WWUS53 KFGF 080050
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
750 PM CDT MON JUL 7 2008
NDC099-080100-
/O.CAN.KFGF.TO.W.0031.000000T0000Z-080708T0130Z/
WALSH ND-
750 PM CDT MON JUL 7 2008
...THE TORNADO WARNING FOR EAST CENTRAL WALSH COUNTY IS CANCELLED...
AT 750 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN EAST CENTRAL
WALSH COUNTY. SO THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
MONDAY EVENING FOR WEST CENTRAL MINNESOTA AND SOUTHEAST NORTH DAKOTA.
LAT...LON 4833 9652 4817 9625 4817 9668 4823 9711
4839 9712
TIME...MOT...LOC 0050Z 285DEG 23KT 4829 9704
$$
MNC089-080130-
/O.CON.KFGF.TO.W.0031.000000T0000Z-080708T0130Z/
MARSHALL MN-
750 PM CDT MON JUL 7 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN MARSHALL COUNTY...
AT 746 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
2 MILES SOUTHEAST OF BIG WOODS...OR 17 MILES SOUTHEAST OF GRAFTON...
MOVING TO THE EAST AT 27 MPH.
* THE TORNADO WILL BE ABOUT...
6 MILES SOUTH OF ARGYLE BY 810 PM CDT...
WARREN BY 820 PM CDT...
RADIUM BY 830 PM CDT...
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.
LAT...LON 4833 9652 4817 9625 4817 9668 4823 9711
4839 9712
TIME...MOT...LOC 0050Z 285DEG 23KT 4829 9704
$$
PJS/PR000
WWUS53 KFGF 080102
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
802 PM CDT MON JUL 7 2008
MNC089-080112-
/O.CAN.KFGF.TO.W.0031.000000T0000Z-080708T0130Z/
MARSHALL MN-
802 PM CDT MON JUL 7 2008
...THE TORNADO WARNING FOR SOUTHWESTERN MARSHALL COUNTY IS
CANCELLED...
AT 800 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM LOCATED 6 MILES NORTHWEST OF MARCH...OR 23 MILES
SOUTHEAST OF GRAFTON...MOVING TO THE EAST AT 26 MPH.
THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO
THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.
LAT...LON 4833 9652 4817 9625 4817 9668 4823 9711
4839 9712
TIME...MOT...LOC 0102Z 285DEG 23KT 4827 9693
$$
PJS/PRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:00 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 60 min |
Nearby
Tornado Warnings in Minnesota, 2008Tornado Warnings in North Dakota, 2008Every tornado warning in 2008Tornadoes in 2008
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.