Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 49, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 2, 2012, 6:30 PM CDT for 5 counties in Minnesota. It was in force for 60 min. 17 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 2, 2012, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 2, 2012, 7:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Becker County, MN, Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 194 km from the middle of the area, began a volume at 23:30 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 2, 6:30 PM CDT | HAIL 0.75 | 1 S Debs, MN | |
| Jul 2, 6:44 PM CDT | TSTM WND DMG | 14 Sw Bemidji, MN | ROOF BLOWN OFF A GARAGE. TIME APPROXIMATE ESTIMATED BY RADAR AND INDIVIDUAL ON SCENE. |
| Jul 2, 6:50 PM CDT | TSTM WND DMG | 2 S Solway, MN | EIGHT TO TEN INCH DIAMETER TREES WERE BLOWN DOWN ALONG COUNTY ROAD 5. |
| Jul 2, 6:55 PM CDT | TSTM WND GST 70 | 11 Nnw Kabekona, MN | WIND SENSOR NEAR LAKE PLANTAGENET LOST POWER AT 56 MPH WHILE WINDS INCREASED SUBSTANTIALLY HIGHER OVER THE NEXT 10 MINUTES. NUMEROUS LARGE TREE LIMBS WERE SNAPPED. |
| Jul 2, 7:00 PM CDT | TSTM WND DMG | 3 Ssw Bemidji, MN | TIME ESTIMATED...A FEW ROOFS OFF OF BUILDINGS AT OAKSVILLE CHRISTIAN COLLEGE AND NUMEROUS TREES DOWN ON CAMPUS |
| Jul 2, 7:00 PM CDT | TSTM WND DMG | 4 Wsw Becida, MN | TIME ESTIMATED ... NEW RECREATIONAL AREA NEAR LASALLE LAKE HAS NUMEROUS TREES DOWN |
| Jul 2, 7:00 PM CDT | TSTM WND DMG | Bemidji, MN | NUMEROUS TREES DOWN THROUGHOUT THE CITY OF BEMIDJI. STREET FLOODING AS WELL. |
| Jul 2, 7:04 PM CDT | HAIL 0.88 | Bemidji, MN | |
| Jul 2, 7:05 PM CDT | TSTM WND DMG | Bemidji, MN | PUBLIC REPORT OF A 60 FT SPRUCE TREE BROKEN OFF ABOUT HALFWAY UP THE TREE WITH OTHER LIMBS DOWN IN THE AREA ... POSTED ON KVLY FACEBOOK SITE |
| Jul 2, 7:05 PM CDT | NON-TSTM WND DMG | Bemidji, MN | PUBLIC REPORT OF A 60 FT SPRUCE TREE BROKEN OFF ABOUT HALFWAY UP THE TREE WITH OTHER LIMBS DOWN IN THE AREA ... POSTED ON KVLY FACEBOOK SITE |
| Jul 2, 7:14 PM CDT | TSTM WND GST 80 | 7 W Lake George, MN | EM REPORTS A LOT OF TREES DOWN NEAR THE HWY 71 AND HWY 200 INTERSECTION EAST OF LAKE ITASCA STATE PARK. ESTIMATES 80 MPH WINDS. PEOPLE TRAPPED IN THE PARK DUE TO TREES ACROSS THE ROAD EXITING THE PARK |
| Jul 2, 7:20 PM CDT | TSTM WND GST 60 | 13 Ne Park Rapids, MN | NUMEROUS TREES AND POWER LINES DOWN AROUND CAMP WILDERNESS NEAR EMMAVILLE...WIND ESTIMATE BETWEEN 50 AND 70 MPH |
| Jul 2, 7:20 PM CDT | NON-TSTM WND GST 60 | 13 Ne Emmaville, MN | NUMEROUS TREES AND POWER LINES DOWN NEAR CAMP WILDERNESS...WIND ESTIMATE BETWEEN 50 AND 70 MPH |
| Jul 2, 7:20 PM CDT | NON-TSTM WND GST 60 | 13 Ne Park Rapids, MN | NUMEROUS TREES AND POWER LINES DOWN AROUND CAMP WILDERNESS NEAR EMMAVILLE...WIND ESTIMATE BETWEEN 50 AND 70 MPH |
| Jul 2, 7:25 PM CDT | TSTM WND GST 80 | 1 S Benedict, MN | NUMEROUS LARGE TREES WERE FELLED ACROSS ROADS AND DRIVEWAYS IN THE LAKE BENEDICT AREA. DAMAGING WINDS OCCURRED FOR SEVERAL MINUTES DURING THE STORM. |
| Jul 2, 7:31 PM CDT | TSTM WND GST 58 | Park Rapids, MN | |
| Jul 2, 7:37 PM CDT | TSTM WND GST 58 | Park Rapids, MN |
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 |
|---|---|---|---|
| Jul 2, 11:43 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.5 hours before the alert went out and 173 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
- 3219 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
458
WUUS53 KFGF 022330
SVRFGF
MNC005-007-029-057-159-030030-
/O.NEW.KFGF.SV.W.0049.120702T2330Z-120703T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
630 PM CDT MON JUL 2 2012
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BECKER COUNTY IN NORTHWEST MINNESOTA...
SOUTHEASTERN BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA...
SOUTHEASTERN CLEARWATER COUNTY IN NORTHWEST MINNESOTA...
HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA...
EXTREME NORTHERN WADENA COUNTY IN CENTRAL MINNESOTA...
* UNTIL 730 PM CDT
* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH. THE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF DEBS TO 5
MILES SOUTHEAST OF OSAGE...MOVING TO THE EAST AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
PARK RAPIDS...DEBS AND BECIDA AROUND 635 PM CDT.
HUBBARD AROUND 640 PM CDT.
WILTON...LAKE GEORGE AND ISLAND LAKE AROUND 645 PM CDT.
DORSET AROUND 650 PM CDT.
THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORMS
INCLUDE ISLAND LAKE...PUPOSKY...BEMIDJI...ROSBY...TURTLE RIVER AND
CHAMBERLAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
THE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THE STORMS...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4740 9466 4681 9465 4678 9525 4784 9524
4787 9441 4741 9441
TIME...MOT...LOC 2330Z 269DEG 23KT 4776 9515 4688 9512
WIND...HAIL 70MPH 1.00IN
$$
HOPKINSThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 4:15 AM CDT | Heat Advisory | FGF | Becker, Clay, Clearwater, Grant, Kittson, Mahnomen and 8 more | 15 hr |
| Jul 2, 1:36 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 39 min |
| Jul 2, 1:40 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 37 min |
| Jul 2, 2:03 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 42 min |
| Jul 2, 3:10 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 35 min |
| Jul 2, 5:22 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 53 min |
| Jul 2, 5:36 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 54 min |
| Jul 2, 5:53 PM CDT | Special Weather Statement | FGF | Becker | 67 min |
| Jul 2, 6:10 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clearwater, Mahnomen, Norman, Polk | 65 min |
| Jul 2, 6:33 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 57 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.