Alert archive / Minnesota / Wind Chill Advisories in 2009

Wind Chill Advisory 10, NWS Grand Forks, ND

March 11, 200917 counties in North Dakota; 18 counties in Minnesota

NWS Grand Forks, ND issued this wind chill advisory at Mar 11, 2009, 4:48 AM CDT for 17 counties in North Dakota; 18 counties in Minnesota. It took effect at Mar 11, 2009, 5:00 AM CDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Mar 11, 2009, 4:48 AM CDT (09:48 UTC)
In effect from
Mar 11, 2009, 5:00 AM CDT
Expired
Mar 12, 2009, 12:00 PM CDT
In force
31 hr
Issued by
NWS Grand Forks, ND
All 35 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 32 km from the middle of the area, began a volume at 09:48 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.8 hours before the alert went out and 300 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, Bismarck Municip, ND at 00:00Z on 2009-03-11Temperature 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, Bismarck Municip, ND at 00:00Z on 2009-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 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
888 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
13 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 Mar 11, 3:44 AM CDT, 1 hour 4 minutes earlier.

Area forecast discussion, Mar 11, 3:44 AM CDT, 1 hour 4 minutes before
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Hazardous weather outlook, Mar 10, 6:00 AM CDT, 22 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
600 AM CDT TUE MAR 10 2009

MNZ001>003-008-013>015-022-027-029>031-040-NDZ027>030-038-039-049-
052-053-111100-
WEST POLK-NORMAN-CLAY-EAST MARSHALL-PENNINGTON-RED LAKE-EAST POLK-
MAHNOMEN-WEST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-GRANT-
GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-
RICHLAND-
600 AM CDT TUE MAR 10 2009

...BLIZZARD WARNING IN EFFECT UNTIL 1 AM CDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

CONDITIONS WILL DETERIORATE FROM WEST TO EAST DURING THE MORNING.
WINDS WILL CONTINUE TO INCREASE WITH NORTH WINDS UP TO 35 MPH
EXPECTED BY THE AFTERNOON HOURS. HEAVY SNOW AND BLOWING SNOW WILL
RESULT IN BLIZZARD CONDITIONS TODAY INTO TONIGHT. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM 6 TO 10 INCHES. WIND CHILLS WILL
FALL TO BETWEEN 25 AND 35 BELOW THIS AFTERNOON AND CONTINUE INTO
TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

HAZARDOUS WIND CHILLS ARE EXPECTED TO CONTINUE INTO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATION AND VISIBILITY WILL BE HELPFUL.

MNZ006-009-016-017-023-024-028-032-111100-
LAKE OF THE WOODS-NORTH BELTRAMI-NORTH CLEARWATER-SOUTH BELTRAMI-
SOUTH CLEARWATER-HUBBARD-EAST BECKER-WADENA-
600 AM CDT TUE MAR 10 2009

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM CDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

HEAVY SNOW IS EXPECTED TODAY AND TONIGHT WITH 6 TO 12 INCHES OF
ACCUMULATION. NORTH WINDS TO 30 MPH WILL CAUSE AREAS OF BLOWING AND
DRIFTING SNOW. WIND CHILLS WILL ALSO FALL TO BETWEEN 25 AND 35
BELOW TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

HAZARDOUS WIND CHILLS ARE EXPECTED TO CONTINUE INTO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATION AND VISIBILITY WILL BE HELPFUL.

MNZ004-005-007-NDZ006>008-014>016-024-026-054-111100-
KITTSON-ROSEAU-WEST MARSHALL-TOWNER-CAVALIER-PEMBINA-BENSON-
RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON-WESTERN WALSH COUNTY-
600 AM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

ONE TO FOUR INCHES OF SNOW ACCUMULATION ARE EXPECTED TODAY. NORTH
WINDS OF 20 TO 35 MPH WILL CAUSE REDUCED VISIBILITY IN BLOWING AND
DRIFTING SNOW...ESPECIALLY IN OPEN COUNTRY. WIND CHILLS WILL
REMAIN BETWEEN 25 AND 40 BELOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

HAZARDOUS WIND CHILLS ARE EXPECTED TO CONTINUE INTO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATION AND VISIBILITY WILL BE HELPFUL.

TG

In the hours before

Local storm report, Mar 10, 11:17 PM CDT, 5 hours 31 minutes before
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Local storm report, Mar 10, 11:19 PM CDT, 5 hours 29 minutes before
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Local storm report, Mar 11, 3:40 AM CDT, 1 hour 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 8:44 PM CDTWind Chill WarningFGFBenson, Cavalier, Eddy, Ramsey, Towner15 hr

Nearby

Wind Chill Advisories in Minnesota, 2009Wind Chill Advisories in North Dakota, 2009Every wind chill advisory in 2009

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.