Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 6, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 17, 2012, 6:41 PM CDT for Grant County, Minnesota. It was in force for 49 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, 6:41 PM CDT (23:41 UTC)
- Expired
- Jun 17, 2012, 7:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
County Grant County, MN
The radar
The Aberdeen radar (KABR), 188 km from the middle of the area, began a volume at 23:45 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, 11.7 hours before the alert went out and 212 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.
268 WFUS53 KFGF 172341 TORFGF MNC051-180030- /O.NEW.KFGF.TO.W.0006.120617T2341Z-120618T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 641 PM CDT SUN JUN 17 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... GRANT COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 730 PM CDT * AT 635 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 6 MILES SOUTHWEST OF CHARLESVILLE...OR 31 MILES SOUTHEAST OF WAHPETON. A TORNADO MAY DEVELOP AT ANY TIME. RADAR SHOWED THE STORM WAS MOVING TO THE EAST AT 15 MPH. * THE STORM WILL BE NEAR... NORCROSS AROUND 700 PM CDT. HERMAN AROUND 710 PM CDT. HOFFMAN...ELBOW LAKE AND ERDAHL AROUND 730 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE STORM INCLUDE BARRETT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4577 9627 4598 9627 4606 9578 4576 9575 TIME...MOT...LOC 2341Z 260DEG 13KT 4587 9630 $$ TG/BB
3 follow-up statements
037 WWUS53 KFGF 172346 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 646 PM CDT SUN JUN 17 2012 MNC051-180030- /O.CON.KFGF.TO.W.0006.000000T0000Z-120618T0030Z/ GRANT MN- 646 PM CDT SUN JUN 17 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR GRANT COUNTY IN WEST CENTRAL MINNESOTA UNTIL 730 PM CDT... AT 640 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 5 MILES WEST OF NORCROSS...OR 31 MILES SOUTH OF FERGUS FALLS...MOVING TO THE EAST AT 15 MPH. THE TORNADO WILL BE NEAR... NORCROSS AROUND 700 PM CDT. HERMAN AROUND 710 PM CDT. HOFFMAN...ELBOW LAKE AND ERDAHL AROUND 730 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE BARRETT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4577 9627 4598 9627 4606 9578 4576 9575 TIME...MOT...LOC 2345Z 260DEG 13KT 4587 9628 $$ TG/BB
483 WWUS53 KFGF 180009 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 709 PM CDT SUN JUN 17 2012 MNC051-180030- /O.CON.KFGF.TO.W.0006.000000T0000Z-120618T0030Z/ GRANT MN- 709 PM CDT SUN JUN 17 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR GRANT COUNTY IN WEST CENTRAL MINNESOTA UNTIL 730 PM CDT... AT 703 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR NORCROSS...OR 28 MILES SOUTH OF FERGUS FALLS...MOVING TO THE EAST AT 15 MPH. THE TORNADO WILL BE NEAR... HOFFMAN...ELBOW LAKE AND ERDAHL AROUND 730 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE BARRETT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4577 9627 4598 9627 4606 9578 4576 9575 TIME...MOT...LOC 0009Z 260DEG 13KT 4590 9616 $$ TG/BB
877 WWUS53 KFGF 180029 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 729 PM CDT SUN JUN 17 2012 MNC051-180039- /O.EXP.KFGF.TO.W.0006.000000T0000Z-120618T0030Z/ GRANT MN- 729 PM CDT SUN JUN 17 2012 ...THE TORNADO WARNING FOR GRANT COUNTY IN WEST CENTRAL MINNESOTA WILL EXPIRE AT 730 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4577 9627 4598 9627 4606 9578 4576 9575 TIME...MOT...LOC 0029Z 260DEG 13KT 4591 9606 $$ TG/BB
The 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, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 59 min |
| Jun 17, 6:31 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 44 min |
Nearby
Tornado Warnings in Minnesota, 2012Every tornado warning in 2012Tornadoes 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.