Alert archive / South Dakota / Wind Chill Watches in 2014

Wind Chill Watch 1, NWS Sioux Falls, SD

January 3, 201424 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this wind chill watch at Jan 3, 2014, 3:38 PM CST for 24 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota. It took effect at Jan 5, 2014, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 3, 2014, 3:38 PM CST (21:38 UTC)
In effect from
Jan 5, 2014, 12:00 PM CST
Expired
Jan 4, 2014, 3:34 AM CST
In force
Issued by
NWS Sioux Falls, SD
All 43 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 12 km from the middle of the area, began a volume at 21:39 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, 9.6 hours before the alert went out and 198 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, Aberdeen, SD at 12:00Z on 2014-01-03Temperature 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, Aberdeen, SD at 12:00Z on 2014-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 341 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
985 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
341 m²/s²
0-3 km storm-relative helicity
425 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill watch went out at Jan 3, 3:31 PM CST, 7 minutes earlier.

Area forecast discussion, Jan 3, 3:31 PM CST, 7 minutes before
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Hazardous weather outlook, Jan 3, 3:38 AM CST, 12 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0338 AM CST FRI JAN 03 2014

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-041200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
0338 AM CST FRI JAN 03 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
AREAS OF BLOWING AND DRIFTING SNOW WILL RESULT FROM STRONG
SOUTHERLY WINDS TODAY. THE BLOWING SNOW WILL DECREASE FROM THE
WEST. FOR TONIGHT...A MIXTURE OF RAIN...FREEZING RAIN...AND SLEET
WILL BECOME ALL SNOW LATE. THE PRECIPITATION WILL BE LIGHT AND
MAINLY NORTH OF INTERSTATE 90. SOME LIGHT ICING IS POSSIBLE.
AREAS OF BLOWING SNOW WILL REDEVELOP LATE TONIGHT.

WIND AND FOG...
STRONG SOUTHERLY WINDS TODAY WILL STAY GENERALLY A LITTLE BELOW
30 MPH SUSTAINED...BUT SUSTAINED SOUTHERLY WINDS MAY BE ABOVE
THIS LEVEL AT TIMES THIS MORNING ALONG AND NEAR THE BUFFALO RIDGE
AREA IN SOUTHWEST MINNESOTA...EXTENDING WEST INTO BROOKINGS
COUNTY OF SOUTH DAKOTA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SOME BLOWING SNOW MAY LINGER SATURDAY MORNING BUT SHOULD DECREASE
DURING THE DAY. DANGEROUS WIND CHILLS ARE EXPECTED TO DEVELOP
SATURDAY NIGHT AND WORSEN SUNDAY. WIND CHILLS OF 25 TO 40 BELOW
ZERO ARE EXPECTED BY LATE SUNDAY AFTERNOON...AND 40 TO 50 BELOW
BY LATE SUNDAY NIGHT. AREAS OF BLOWING SNOW MAY ALSO REDEVELOP
SUNDAY.

DANGEROUS WIND CHILLS OF 40 TO 55 BELOW ZERO ARE EXPECTED MONDAY
MORNING. THESE WIND CHILLS WILL CONTINUE WITH AT MOST SLIGHT
IMPROVEMENT THROUGH MONDAY NIGHT. MORE RAPID IMPROVEMENT IS
EXPECTED TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 3:04 PM CSTWind AdvisoryFSDAurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 12 more18 hr
Jan 3, 8:46 AM CSTBlizzard WarningFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 1 more6 hr

Nearby

Wind Chill Watches in South Dakota, 2014Wind Chill Watches in Iowa, 2014Wind Chill Watches in Minnesota, 2014Every wind chill watch in 2014

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.