Alert archive / South Dakota / Wind Chill Advisories in 2013

Wind Chill Advisory 7, NWS Aberdeen, SD

February 18, 201323 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill advisory at Feb 18, 2013, 3:19 PM CST for 23 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Feb 18, 2013, 9:00 PM CST. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2013, 3:19 PM CST (21:19 UTC)
In effect from: Feb 18, 2013, 9:00 PM CST
Expired: Feb 20, 2013, 11:44 AM CST
In force: 39 hr
Issued by: NWS Aberdeen, SD

All 25 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, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 37 km from the middle of the area, began a volume at 21:21 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.3 hours before the alert went out and 31 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: 689 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -108 m²/s²
0-3 km storm-relative helicity: -59 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 Feb 18, 12:05 PM CST, 3 hours 14 minutes earlier.

Area forecast discussion, Feb 18, 12:05 PM CST, 3 hours 14 minutes before

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Hazardous weather outlook, Feb 18, 4:14 AM CST, 11 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
414 AM CST MON FEB 18 2013

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-191015-
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-
414 AM CST MON FEB 18 2013 /314 AM MST MON FEB 18 2013/

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

WRAP AROUND SNOW SHOWERS WILL MAINLY AFFECT THE NORTHERN HALF
OF THE CWA...WHILE STRONG GUSTY WINDS CAN BE EXPECTED ACROSS MOST
OF THE AREA. THE COMBINATION OF SNOW AND GUSTY WINDS MAY RESULT IN
HAZARDOUS TRAVEL CONDITIONS...MAINLY DUE TO REDUCED VISIBILITY.
WINDS WILL DIMINISH AND SHOWERS MOVE EAST THIS EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ARCTIC AIR AND LIGHT WINDS WILL CREATE HAZARD WIND CHILLS
TUESDAY MORNING. WIND CHILL READINGS OF -20 TO -30 DEGREES ARE
POSSIBLE.

A STORM SYSTEM WILL EJECT ACROSS THE CENTRAL AND NORTHERN PLAINS
FOR THE LATTER HALF OF THE WEEK. THIS STORM HAS THE POTENTIAL TO
BRING SIGNIFICANT SNOWFALL TO PARTS OF THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

CONNELLY

In the hours before

Local storm report, Feb 18, 12:50 PM CST, 2 hours 29 minutes before

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Local storm report, Feb 18, 12:56 PM CST, 2 hours 23 minutes before

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Local storm report, Feb 18, 1:03 PM CST, 2 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
103 PM CST MON FEB 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     BLIZZARD         ROSCOE                  45.45N  99.33W
02/18/2013                   EDMUNDS            SD   LAW ENFORCEMENT

            VISIBILITY NEAR ZERO ALONG HIGHWAY 12 IN AND AROUND
            ROSCOE

&&

EVENT NUMBER ABR1300172

TMK

Local storm report, Feb 18, 1:19 PM CST, 2 hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
119 PM CST MON FEB 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0118 PM     BLIZZARD         MILLER                  44.52N  98.99W
02/18/2013                   HAND               SD   LAW ENFORCEMENT

            BLIZZARD CONDITIONS NORTH AND SOUTH OF TOWN VISIBILITY
            NEAR ZERO

&&

EVENT NUMBER ABR1300173

TMK

Local storm report, Feb 18, 1:25 PM CST, 1 hour 54 minutes before

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Local storm report, Feb 18, 3:19 PM CST, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
319 PM CST MON FEB 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0318 PM     BLIZZARD         WATERTOWN               44.91N  97.17W
02/18/2013                   CODINGTON          SD   EMERGENCY MNGR

            NEAR 0 VISIBILITY ACROSS MUCH OF CODINGTON COUNTY

&&

EVENT NUMBER ABR1300175

TMK

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 18, 11:37 AM CST	Blizzard Warning	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 8 more	12 hr
Feb 18, 11:37 AM CST	Winter Weather Advisory	ABR	Brown, Edmunds, Faulk, Hand, McPherson, Spink	39 min

Nearby

Wind Chill Advisories in South Dakota, 2013 Wind Chill Advisories in Minnesota, 2013 Every wind chill advisory in 2013

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.