Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 74, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 12, 2012, 7:43 PM CDT for Becker County, Clay County, Minnesota. It was in force for 45 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
- Jul 12, 2012, 7:43 PM CDT (00:43 UTC)
- Expired
- Jul 12, 2012, 8:28 PM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Becker County, MN, Clay County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 00:45 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 |
|---|---|---|---|
| Jul 12, 7:50 PM CDT | TSTM WND DMG | 6 E Glyndon, MN | SEVERAL LARGE TREE LIMBS BROKEN DOWN AT THE BUFFALO RIVER STATE PARK. |
| Jul 12, 7:50 PM CDT | HAIL 0.88 | 1 S Hitterdal, MN | BRIEF HAIL AND STRONG WINDS. WINDS ESTIMATED TO 55 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.7 hours before the alert went out and 275 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
- 209 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1683 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
869 WUUS53 KFGF 130043 SVRFGF MNC005-027-130145- /O.NEW.KFGF.SV.W.0074.120713T0043Z-120713T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 743 PM CDT THU JUL 12 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN BECKER COUNTY IN NORTHWEST MINNESOTA... CENTRAL CLAY COUNTY IN NORTHWEST MINNESOTA... * UNTIL 845 PM CDT * AT 740 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 6 MILES EAST OF AVERILL...OR 19 MILES EAST OF FARGO...MOVING TO THE EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MUSKODA AROUND 750 PM CDT. ULEN AND HAWLEY AROUND 805 PM CDT. HITTERDAL AROUND 810 PM CDT. DALE AROUND 820 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE LAKE PARK AND WESTBURY. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4712 9584 4677 9592 4685 9659 4708 9648 TIME...MOT...LOC 0044Z 278DEG 14KT 4695 9641 WIND...HAIL 60MPH 1.00IN $$ BRAMER
2 follow-up statements
785 WWUS53 KFGF 130103 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 803 PM CDT THU JUL 12 2012 MNC005-027-130145- /O.CON.KFGF.SV.W.0074.000000T0000Z-120713T0145Z/ CLAY MN-BECKER MN- 803 PM CDT THU JUL 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN BECKER AND EAST CENTRAL CLAY COUNTIES IN NORTHWEST MINNESOTA UNTIL 845 PM CDT... AT 759 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 4 MILES SOUTHWEST OF HITTERDAL...OR 24 MILES EAST OF FARGO...MOVING TO THE EAST AT 15 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... HITTERDAL AROUND 810 PM CDT. DALE AROUND 820 PM CDT. LAKE PARK AROUND 840 PM CDT. WHITE EARTH...WESTBURY AND OGEMA AROUND 845 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE CALLAWAY AND AUDUBON. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4684 9649 4709 9637 4712 9584 4677 9592 TIME...MOT...LOC 0103Z 278DEG 14KT 4694 9630 WIND...HAIL 60MPH 1.00IN $$ BRAMER
386 WWUS53 KFGF 130128 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 828 PM CDT THU JUL 12 2012 MNC005-027-130137- /O.CAN.KFGF.SV.W.0074.000000T0000Z-120713T0145Z/ CLAY MN-BECKER MN- 828 PM CDT THU JUL 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BECKER AND EAST CENTRAL CLAY COUNTIES IN NORTHWEST MINNESOTA IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTHEASTERN CLAY AND SOUTHWESTERN BECKER COUNTIES. LAT...LON 4684 9649 4709 9637 4712 9584 4677 9592 TIME...MOT...LOC 0127Z 278DEG 14KT 4693 9616 $$ BRAMER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:08 PM CDT | Special Weather Statement | FGF | Norman | 67 min |
| Jul 12, 7:47 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail | 58 min |
| Jul 12, 8:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 59 min |
| Jul 12, 8:46 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 59 min |
| Jul 13, 9:57 AM CDT | Areal Flood Advisory | FGF | Lake of the Woods | 5 hr |
| Jul 13, 4:48 PM CDT | Special Weather Statement | FGF | Clearwater | 57 min |
| Jul 13, 4:59 PM CDT | Special Weather Statement | FGF | Hubbard | 61 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.