Alert archive / Minnesota / Wind Chill Advisories in 2020

Wind Chill Advisory 11, NWS Grand Forks, ND

February 11, 202011 counties in Minnesota

NWS Grand Forks, ND issued this wind chill advisory at Feb 11, 2020, 7:01 PM CST for 11 counties in Minnesota. It took effect at Feb 12, 2020, 6:00 AM CST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2020, 7:01 PM CST (01:01 UTC)
In effect from
Feb 12, 2020, 6:00 AM CST
Expired
Feb 12, 2020, 10:35 AM CST
In force
5 hr
Issued by
NWS Grand Forks, ND

Counties Becker County, MN, Beltrami County, MN, Clearwater County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 123 km from the middle of the area, began a volume at 01:02 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, 1.0 hours before the alert went out and 367 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2020-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2020-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill advisory 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 wind chill advisory went out at Feb 11, 7:01 PM CST, 0 minutes earlier.

Area forecast discussion, Feb 11, 7:01 PM CST, 0 minutes before
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Hazardous weather outlook, Feb 11, 7:00 PM CST, 1 minute before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
700 PM CST Tue Feb 11 2020

MNZ001>003-029-030-040-NDZ026>030-038-039-049-052-053-130100-
West Polk-Norman-Clay-Wilkin-West Otter Tail-Grant-Nelson-
Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-
Richland-
700 PM CST Tue Feb 11 2020

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Tonight

A cold front dropping into the region late tonight and tomorrow
morning will bring blizzard conditions for portions of the Red
River Valley during the pre-dawn hours. While snow amounts will be
light, 1-2 inches at most, the combination of falling snow and
high winds will bring a short period of blizzard conditions in
open country.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Blizzard conditions in open country with blowing snow, near zero
visibility, and hazardous wind chills will continue through
Wednesday morning for a few hours, then improve from north to
south later in the day. Wind chills of 35 to 45 below zero will
continue from Wednesday afternoon into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

MNZ004-007-NDZ006>008-014>016-024-054-130100-
Kittson-West Marshall-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh-Eddy-Western Walsh-
700 PM CST Tue Feb 11 2020

This hazardous weather outlook is for portions of eastern North
Dakota and northwest Minnesota.

.DAY ONE...Tonight

A cold front moving into the region late tonight into tomorrow
morning will bring less than 1 inch of snow, but high winds will
bring blowing snow. Some brief periods of white-out conditions in
open country will be possible in open areas as the front moves
through.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Extremely cold wind chills will drop into the 40 to 50 below zero
range for Wednesday morning, with hazardous wind chills
continuing on and off through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

MNZ005-006-008-009-013>017-022-023-027-028-031-130100-
Roseau-Lake Of The Woods-East Marshall-North Beltrami-Pennington-
Red Lake-East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-West Becker-East Becker-East Otter Tail-
700 PM CST Tue Feb 11 2020

This hazardous weather outlook is for portions of west central
and northwest Minnesota.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Wind chills will drop into the 25 to 40 below zero range for
Wednesday, with hazardous wind chills continuing on and off
through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

MNZ024-032-130100-
Hubbard-Wadena-
700 PM CST Tue Feb 11 2020

This hazardous weather outlook is for portions of west central
and northwest Minnesota.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 11, 7:01 PM CSTWind Chill WarningFGFKittson, Marshall, Norman, Polk41 hr
Feb 12, 6:08 AM CSTWind Chill WarningFGFBecker, Beltrami, Clay, Clearwater, Grant, Hubbard and 11 more30 hr
Feb 12, 6:08 AM CSTWind Chill AdvisoryFGFClearwater, Marshall, Pennington, Polk, Red Lake, Roseau4 hr
Feb 12, 6:08 AM CSTWinter Weather AdvisoryFGFKittson4 hr
Feb 12, 10:35 AM CSTWind Chill AdvisoryFGFBenson, Eddy, Towner4 hr

Nearby

Wind Chill Advisories in Minnesota, 2020Every wind chill advisory in 2020

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.