Alert archive / Minnesota / Special Weather Statements in 2012
Special Weather Statement, NWS Grand Forks, ND
NWS Grand Forks, ND issued this special weather statement at Jul 22, 2012, 7:21 PM CDT for Becker County, Minnesota. It was in force for 24 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 22, 2012, 7:21 PM CDT (00:21 UTC)
- Expired
- Jul 22, 2012, 7:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Grand Forks, ND
County Becker County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 138 km from the middle of the area, began a volume at 00:21 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 22, 7:35 PM CDT | HAIL 1 | 4 Se Rollag, MN | |
| Jul 22, 7:45 PM CDT | TSTM WND DMG | 2 Wnw Cormorant, MN | SEVERAL LARGE TREES WERE EITHER SNAPPED OR UPROOTED ALONG THE NORTH SHORE OF LAKE IDA. TREES VARIED FROM 1 TO 2.5 FOOT IN DIAMETER. |
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 00:00Z, 0.4 hours before the alert went out and 276 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
- 2811 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1819 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
715 WWUS83 KFGF 230021 SPSFGF SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 721 PM CDT SUN JUL 22 2012 MNZ003-027-029>031-230045- CLAY MN-EAST OTTER TAIL MN-WEST BECKER MN-WEST OTTER TAIL MN-WILKIN MN- 721 PM CDT SUN JUL 22 2012 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME NORTHEASTERN WILKIN... SOUTHWESTERN BECKER...NORTHWESTERN OTTER TAIL AND SOUTHEASTERN CLAY COUNTIES UNTIL 745 PM CDT... AT 717 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A THUNDERSTORM 10 MILES NORTHEAST OF BARNESVILLE...OR 19 MILES WEST OF DETROIT LAKES...MOVING TO THE EAST AT 20 MPH. HAIL UP TO THE SIZE OF NICKELS IS EXPECTED WITH THE STORM. THE STORM WILL BE NEAR... CORMORANT AROUND 735 PM CDT. DUNVILLA AROUND 740 PM CDT. VERGAS...SHOREHAM AND LAKE LIDA AROUND 745 PM CDT. BE PREPARED TO TAKE SHELTER IF THE STORMS INTENSIFY AND BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER SERVICE. LAT...LON 4677 9571 4655 9576 4664 9634 4681 9630 TIME...MOT...LOC 0021Z 279DEG 24KT 4671 9619 $$ VG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:31 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail | 29 min |
| Jul 22, 8:08 PM CDT | Special Weather Statement | FGF | Becker | 67 min |
| Jul 22, 8:15 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 18 min |
| Jul 22, 8:19 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Wadena | 37 min |
Nearby
Special Weather Statements in Minnesota, 2012Every special weather statement 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.