Alert archive / Minnesota / Special Weather Statements in 2017
Special Weather Statement, NWS Grand Forks, ND
NWS Grand Forks, ND issued this special weather statement at Sep 20, 2017, 12:26 AM CDT for Otter Tail County, Wadena County, Minnesota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2017, 12:26 AM CDT (05:26 UTC)
- Expired
- Sep 20, 2017, 1:00 AM CDT
- In force
- 34 min
- Issued by
- NWS Grand Forks, ND
Counties Otter Tail County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 200 km from the middle of the area, began a volume at 05:28 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.4 hours before the alert went out and 219 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
- 246 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 454 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Forks, ND wrote its last area forecast discussion before this special weather statement went out at Sep 19, 11:51 PM CDT, 35 minutes earlier.
Area forecast discussion, Sep 19, 11:51 PM CDT, 35 minutes before
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</html>Hazardous weather outlook, Sep 20, 12:08 AM CDT, 18 minutes before
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Special weather statement, Sep 19, 11:17 PM CDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1117 PM CDT TUE SEP 19 2017
MNZ003-027>031-200445-
West Becker MN-East Otter Tail MN-East Becker MN-Clay MN-Wilkin MN-
West Otter Tail MN-
1117 PM CDT TUE SEP 19 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CLAY...OTTER TAIL...
EASTERN WILKIN AND SOUTHERN BECKER COUNTIES UNTIL 1145 PM CDT...
At 1116 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Richwood to near Vergas to near Foxhome.
Movement was east at 35 mph.
Wind gusts of 50 to 55 mph will be possible with these storms.
Strong thunderstorms will be near...
Detroit Lakes, Vergas and Shoreham around 1120 PM CDT.
Frazee around 1130 PM CDT.
Fergus Falls and Erhard around 1135 PM CDT.
Pine Point, Toad Lake and Evergreen around 1145 PM CDT.
Other locations impacted by these storms include Fergus Falls
Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Grand Forks.
&&
A tornado watch remains in effect until midnight CDT for northwestern
and west central Minnesota.
A severe thunderstorm watch remains in effect until 500 AM CDT for
northwestern and west central Minnesota.
LAT...LON 4614 9651 4673 9625 4697 9619 4699 9520
4677 9526 4613 9528
TIME...MOT...LOC 0416Z 255DEG 31KT 4697 9582 4671 9583 4635 9629
TGSpecial weather statement, Sep 19, 11:18 PM CDT, 1 hour 8 minutes before
Special Weather Statement National Weather Service Eastern ND/Grand Forks ND 1118 PM CDT TUE SEP 19 2017 MNZ015>017-022>024-027-028-200445- West Becker MN-East Becker MN-Mahnomen MN-South Clearwater MN- Hubbard MN-East Polk MN-North Clearwater MN-South Beltrami MN- 1118 PM CDT TUE SEP 19 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HUBBARD... SOUTHEASTERN POLK...SOUTH CENTRAL BELTRAMI...MAHNOMEN...NORTHERN BECKER AND SOUTHERN CLEARWATER COUNTIES UNTIL 1145 PM CDT... At 1118 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Lengby to Richwood. Movement was east at 35 mph. Wind gusts of 50 to 55 mph will be possible with these storms. Strong thunderstorms will be near... Lengby around 1120 PM CDT. Ebro around 1125 PM CDT. Bagley and Many Point Lake around 1135 PM CDT. Pine Point, Shevlin and Ponsford around 1145 PM CDT. Other locations impacted by these storms include Many Point Scout Camp. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Grand Forks. && A tornado watch remains in effect until midnight CDT for northwestern Minnesota. A severe thunderstorm watch remains in effect until 500 AM CDT for north central and northwestern Minnesota. LAT...LON 4697 9518 4695 9615 4758 9591 4759 9498 TIME...MOT...LOC 0418Z 269DEG 38KT 4756 9565 4696 9581 TG
Special weather statement, Sep 19, 11:32 PM CDT, 54 minutes before
Special Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1132 PM CDT TUE SEP 19 2017
MNZ005-006-009-015>017-200530-
North Beltrami MN-Roseau MN-East Polk MN-North Clearwater MN-
Lake Of The Woods MN-South Beltrami MN-
1132 PM CDT TUE SEP 19 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN POLK...SOUTHEASTERN
ROSEAU...BELTRAMI...SOUTHERN LAKE OF THE WOODS AND NORTHERN
CLEARWATER COUNTIES UNTIL 1230 AM CDT...
At 1130 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Norris Camp to 12 miles northwest of Lower Red
Lake to near Leonard. Movement was east at 30 mph.
Wind gusts of 50 to 55 mph will be possible with these storms.
Strong thunderstorms will be near...
Norris Camp around 1135 PM CDT.
Pinewood and Faunce around 1150 PM CDT.
Upper Red Lake, Ponemah and Debs around 1155 PM CDT.
Island Lake in Beltrami County around 1205 AM CDT.
Puposky around 1210 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Grand Forks.
&&
A tornado watch remains in effect until midnight CDT for northwestern
Minnesota.
A severe thunderstorm watch remains in effect until 500 AM CDT for
north central and northwestern Minnesota.
LAT...LON 4766 9454 4752 9569 4800 9557 4859 9551
4871 9454 4869 9445 4870 9443 4820 9442
TIME...MOT...LOC 0430Z 249DEG 28KT 4860 9520 4803 9525 4760 9534
SpeicherSpecial weather statement, Sep 19, 11:49 PM CDT, 37 minutes before
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</html>Local storm report, Sep 20, 12:07 AM CDT, 19 minutes before
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</html>Special weather statement, Sep 20, 12:26 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 7:23 PM CDT | Tornado Warning | FGF | Norman, Polk | 52 min |
| Sep 19, 8:16 PM CDT | Tornado Warning | FGF | Polk, Red Lake | 44 min |
| Sep 19, 8:57 PM CDT | Areal Flood Advisory | FGF | Norman | 5 hr |
| Sep 19, 9:02 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Mahnomen, Pennington, Polk, Red Lake | 58 min |
| Sep 19, 9:52 PM CDT | High Wind Warning | FGF | Kittson, Roseau | 97 min |
| Sep 19, 10:10 PM CDT | Special Weather Statement | FGF | Wilkin | 35 min |
| Sep 19, 10:13 PM CDT | Special Weather Statement | FGF | Clay, Norman | 32 min |
| Sep 19, 10:49 PM CDT | Special Weather Statement | FGF | Becker, Clearwater, Mahnomen | 26 min |
| Sep 19, 10:50 PM CDT | Special Weather Statement | FGF | Grant, Otter Tail | 25 min |
| Sep 19, 11:02 PM CDT | Special Weather Statement | FGF | Beltrami, Clearwater | 28 min |
| Sep 19, 11:17 PM CDT | Special Weather Statement | FGF | Becker, Otter Tail | 28 min |
| Sep 19, 11:18 PM CDT | Special Weather Statement | FGF | Clearwater, Mahnomen | 27 min |
| Sep 19, 11:32 PM CDT | Special Weather Statement | FGF | Beltrami, Clearwater | 58 min |
| Sep 19, 11:46 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 44 min |
| Sep 19, 11:49 PM CDT | Special Weather Statement | FGF | Becker, Clearwater, Hubbard | 56 min |
| Sep 19, 7:56 PM CDT | Areal Flood Advisory | FGF | Barnes | 4 hr |
| Sep 19, 8:13 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 62 min |
| Sep 19, 9:04 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 56 min |
Nearby
Special Weather Statements in Minnesota, 2017Every special weather statement in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.