Alert archive / South Dakota / Wind Chill Advisories in 2015

Wind Chill Advisory 4, NWS Aberdeen, SD

January 8, 201526 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill advisory at Jan 8, 2015, 2:59 PM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Jan 8, 2015, 9:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Jan 8, 2015, 2:59 PM CST (20:59 UTC)
In effect from: Jan 8, 2015, 9:00 PM CST
Expired: Jan 9, 2015, 9:59 AM CST
In force: 13 hr
Issued by: NWS Aberdeen, SD

All 28 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 20:57 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

Aberdeen, SD (KABR), launched 12:00Z, 9.0 hours before the alert went out and 34 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 801 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 344 m²/s²
0-3 km storm-relative helicity: 398 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 Aberdeen, SD wrote its last area forecast discussion before this wind chill advisory went out at Jan 8, 2:06 PM CST, 53 minutes earlier.

Area forecast discussion, Jan 8, 2:06 PM CST, 53 minutes before

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Hazardous weather outlook, Jan 8, 4:57 AM CST, 10 hours 2 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
457 AM CST THU JAN 8 2015

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-091100-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
457 AM CST THU JAN 8 2015 /357 AM MST THU JAN 8 2015/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND
NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

STRONG NORTHWEST WINDS FROM 25 TO 40 MPH WITH GUSTS AROUND 50 MPH
WILL DEVELOP THROUGH THE DAY...CREATING WIDESPREAD BLOWING SNOW
AND LOW VISIBILITY. THE WORST CONDITIONS WILL BE WHEREVER THERE IS
A DEEPER SNOW COVER ON THE GROUND. BITTERLY COLD WIND CHILLS WILL
MAKE A RETURN TONIGHT AS WELL...WITH READINGS FROM 25 BELOW TO 30
BELOW ZERO.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

BITTERLY COLD WIND CHILLS FROM 25 BELOW TO 30 BELOW ZERO WILL BE
FELT FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

TMT

In the hours before

Local storm report, Jan 8, 1:26 PM CST, 1 hour 33 minutes before

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Local storm report, Jan 8, 1:29 PM CST, 1 hour 30 minutes before

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Local storm report, Jan 8, 1:31 PM CST, 1 hour 28 minutes before

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Local storm report, Jan 8, 1:48 PM CST, 1 hour 11 minutes before

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Local storm report, Jan 8, 2:11 PM CST, 48 minutes before

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Local storm report, Jan 8, 2:22 PM CST, 37 minutes before

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The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 8, 12:25 PM CST	Blizzard Warning	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	6 hr
Jan 8, 12:25 PM CST	Winter Weather Advisory	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	12 hr

Nearby

Wind Chill Advisories in South Dakota, 2015 Wind Chill Advisories in Minnesota, 2015 Every wind chill advisory in 2015

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.