Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 29, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 10, 2011, 6:47 PM CDT for Kittson County, Minnesota. 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 10, 2011, 6:47 PM CDT (23:47 UTC)
- Expired
- Jul 10, 2011, 7:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
County Kittson County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 165 km from the middle of the area, began a volume at 23:47 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 nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.8 hours before the alert went out and 249 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
- 1680 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
141 WFUS53 KFGF 102347 TORFGF MNC069-110030- /O.NEW.KFGF.TO.W.0029.110710T2347Z-110711T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 647 PM CDT SUN JUL 10 2011 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHERN KITTSON COUNTY IN NORTHWEST MINNESOTA... * UNTIL 730 PM CDT * AT 643 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS LOCATED 3 MILES NORTH OF ORLEANS...OR 43 MILES NORTHEAST OF GRAFTON...MOVING TO THE EAST AT 25 MPH. * THE TORNADIC STORM WILL BE NEAR... LANCASTER AROUND 655 PM CDT. CARIBOU AROUND 730 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4900 9641 4885 9641 4886 9702 4901 9702 TIME...MOT...LOC 2347Z 268DEG 23KT 4897 9691 $$ HOPKINS
2 follow-up statements
400 WWUS53 KFGF 110014 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 714 PM CDT SUN JUL 10 2011 MNC069-110030- /O.CON.KFGF.TO.W.0029.000000T0000Z-110711T0030Z/ KITTSON MN- 714 PM CDT SUN JUL 10 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN KITTSON COUNTY IN NORTHWEST MINNESOTA UNTIL 730 PM CDT... AT 710 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES NORTHEAST OF LANCASTER...OR 43 MILES WEST OF ROSEAU...MOVING TO THE NORTHEAST AT 25 MPH. THE TORNADIC STORM WILL BE NEAR... CARIBOU AROUND 730 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4900 9641 4892 9641 4892 9676 4900 9676 TIME...MOT...LOC 0014Z 268DEG 23KT 4899 9665 $$ HOPKINS
129 WWUS53 KFGF 110023 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 723 PM CDT SUN JUL 10 2011 MNC069-110033- /O.EXP.KFGF.TO.W.0029.000000T0000Z-110711T0030Z/ KITTSON MN- 723 PM CDT SUN JUL 10 2011 ...THE TORNADO WARNING FOR NORTHEASTERN KITTSON COUNTY IN NORTHWEST MINNESOTA WILL EXPIRE AT 730 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4900 9641 4892 9641 4892 9676 4900 9676 TIME...MOT...LOC 0023Z 268DEG 23KT 4899 9656 $$ HOPKINS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:43 PM CDT | Areal Flood Advisory | FGF | Wilkin | 13 hr |
| Jul 10, 6:07 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 53 min |
| Jul 10, 6:55 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 22 min |
Nearby
Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes in 2011
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.