Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 31, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 17, 2012, 6:16 PM CDT for Grant County, Otter Tail County, Wilkin County, Minnesota. It was in force for 59 min. 4 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
- Jun 17, 2012, 6:16 PM CDT (23:16 UTC)
- Expired
- Jun 17, 2012, 7:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Grant County, MN, Otter Tail County, MN, Wilkin County, MN
The radar
The Aberdeen radar (KABR), 186 km from the middle of the area, began a volume at 23:17 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 |
|---|---|---|---|
| Jun 17, 6:43 PM CDT | FUNNEL CLOUD | 6 Nw Herman, MN | |
| Jun 17, 6:50 PM CDT | TSTM WND DMG | Herman, MN | TREE BRANCH THE SIZE OF A PERSONS BELLY BROKEN OFF |
| Jun 17, 6:56 PM CDT | FUNNEL CLOUD | 3 Wnw Norcross, MN | A PERSISTENT FUNNEL WAS SEEN APPROACHING THE NORCROSS AREA FROM EASTERN TRAVERSE COUNTY FOR SEVERAL MINUTES BEFORE IT CROSSED INTO WESTERN GRANT COUNTY. |
| Jun 17, 7:02 PM CDT | TORNADO 0 | 2 Nw Norcross, MN | A WEAK TORNADO TOUCHED DOWN JUST WEST OF HWY 9 AND TRACKED INTERMITTENTLY EASTWARD FOR ABOUT 3 MILES TO NEAR 2 NE OF NORCROSS BY 713 PM CDT. THIS TORNADO BROKE DOWN SEVERAL LARGE TREE BRANCHES AND A FEW TREE LIMBS IN SHELTER BELTS ALONG ITS PATH. MAXIMUM WIDTH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.3 hours before the alert went out and 211 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
- 2160 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 545 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
409
WUUS53 KFGF 172316
SVRFGF
MNC051-111-167-180015-
/O.NEW.KFGF.SV.W.0031.120617T2316Z-120618T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
616 PM CDT SUN JUN 17 2012
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GRANT COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 715 PM CDT
* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 7 MILES
SOUTHWEST OF CHARLESVILLE...OR 29 MILES SOUTH OF WAHPETON...MOVING
TO THE EAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
NASHUA AROUND 635 PM CDT.
NORCROSS AND HERMAN AROUND 640 PM CDT.
WENDELL AROUND 705 PM CDT.
HOFFMAN...ELBOW LAKE AND UNDERWOOD AROUND 715 PM CDT.
THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM
INCLUDE ERDAHL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED...
MOVE QUICKLY TO A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4577 9627 4601 9627 4601 9640 4602 9640
4635 9579 4576 9576 4575 9582
TIME...MOT...LOC 2316Z 248DEG 16KT 4589 9636
WIND...HAIL 60MPH 1.00IN
$$
TG/BB1 follow-up statement
304
WWUS53 KFGF 172333
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
633 PM CDT SUN JUN 17 2012
MNC051-111-167-180015-
/O.CON.KFGF.SV.W.0031.000000T0000Z-120618T0015Z/
GRANT MN-OTTER TAIL MN-WILKIN MN-
633 PM CDT SUN JUN 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
WILKIN...SOUTHWESTERN OTTER TAIL AND GRANT COUNTIES IN WEST CENTRAL
MINNESOTA UNTIL 715 PM CDT...
AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 2 MILES
SOUTH OF CHARLESVILLE...OR 27 MILES SOUTH OF FERGUS FALLS...MOVING TO
THE EAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
NORCROSS AND HERMAN AROUND 640 PM CDT.
WENDELL AROUND 705 PM CDT.
HOFFMAN...ELBOW LAKE AND UNDERWOOD AROUND 715 PM CDT.
THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM
INCLUDE ERDAHL...DALTON...BARRETT AND ASHBY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED
ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4577 9627 4601 9627 4601 9640 4602 9640
4635 9579 4576 9576 4575 9582
TIME...MOT...LOC 2332Z 248DEG 16KT 4592 9626
$$
TG/BBThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 6:02 PM CDT | Special Weather Statement | FGF | Wilkin | 58 min |
| Jun 17, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 67 min |
| Jun 17, 6:31 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 44 min |
| Jun 17, 6:41 PM CDT | Tornado Warning | FGF | Grant | 49 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
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.