Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 54, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 6, 2011, 2:38 PM CDT for Clay County, Minnesota. It was in force for 37 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 6, 2011, 2:38 PM CDT (19:38 UTC)
- Expired
- Aug 6, 2011, 3:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
County Clay County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 103 km from the middle of the area, began a volume at 19:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 2:43 PM CDT | FUNNEL CLOUD | Comstock, MN | |
| Aug 6, 2:49 PM CDT | FUNNEL CLOUD | 1 E Rustad, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 7.6 hours before the alert went out and 237 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
- 174 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
946
WFUS53 KFGF 061938
TORFGF
MNC027-062015-
/O.NEW.KFGF.TO.W.0054.110806T1938Z-110806T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
238 PM CDT SAT AUG 6 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN CLAY COUNTY IN NORTHWEST MINNESOTA...
* UNTIL 315 PM CDT
* AT 234 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 2 MILES
NORTHEAST OF HICKSON...OR 13 MILES SOUTH OF FARGO. A TORNADO MAY
DEVELOP AT ANY TIME. RADAR SHOWED THE STORM WAS MOVING TO THE
EAST AT 10 MPH. AT 235 PM...A NATIONAL WEATHER SERVICE
METEOROLOGIST REPORTED A FUNNEL CLOUD EAST OF EXIT 50 ALONG
INTERSTATE 29.
* THE STORM WILL BE NEAR...
COMSTOCK AROUND 245 PM CDT.
BAKER AROUND 315 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 4665 9680 4668 9680 4672 9678 4675 9679
4676 9678 4673 9652 4663 9664 4663 9675
TIME...MOT...LOC 1938Z 288DEG 7KT 4669 9677
$$
GROCHOCINSKI1 follow-up statement
458
WWUS53 KFGF 062005
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
305 PM CDT SAT AUG 6 2011
MNC027-062015-
/O.CON.KFGF.TO.W.0054.000000T0000Z-110806T2015Z/
CLAY MN-
305 PM CDT SAT AUG 6 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CLAY COUNTY
IN NORTHWEST MINNESOTA UNTIL 315 PM CDT...
AT 302 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL CLOUD NEAR
COMSTOCK...OR 16 MILES SOUTHEAST OF FARGO...MOVING TO THE EAST AT 15
MPH.
THE TORNADO WILL BE NEAR...
BAKER AROUND 315 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
&&
LAT...LON 4665 9680 4668 9680 4672 9678 4675 9679
4676 9678 4673 9652 4663 9664 4663 9675
TIME...MOT...LOC 2005Z 282DEG 11KT 4666 9666
$$
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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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.