Alert archive / Iowa / Wind Chill Watches in 2014

Wind Chill Watch 1, NWS Quad Cities, IA

January 3, 201421 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this wind chill watch at Jan 3, 2014, 3:50 PM CST for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Jan 5, 2014, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 3, 2014, 3:50 PM CST (21:50 UTC)
In effect from
Jan 5, 2014, 6:00 AM CST
Expired
Jan 4, 2014, 3:06 AM CST
In force
Issued by
NWS Quad Cities, IA
All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 21:53 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.8 hours before the alert went out and 411 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, Green Bay/Straub, WI 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, Green Bay/Straub, WI at 12:00Z on 2014-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 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
927 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
206 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 Quad Cities, IA wrote its last area forecast discussion before this wind chill watch went out at Jan 3, 12:11 PM CST, 3 hours 39 minutes earlier.

Area forecast discussion, Jan 3, 12:11 PM CST, 3 hours 39 minutes before
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Hazardous weather outlook, Jan 3, 3:52 AM CST, 11 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
352 AM CST FRI JAN 3 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-041000-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
352 AM CST FRI JAN 3 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

BITTER COLD TEMPERATURES AND DANGEROUS WIND CHILLS WILL BE OVER
THE AREA THIS MORNING AND A WIND CHILL ADVISORY IS IN EFFECT.
PLEASE REFER TO OUR WINTER WEATHER PRODUCTS FOR MORE SPECIFIC INFORMATION.

DEVELOPING SOUTH TO SOUTHWEST WINDS FROM 15 TO 25 MPH...WITH
GUSTS AS HIGH AS 30 MPH...WILL CREATE AREAS OF BLOWING AND
DRIFTING SNOW TODAY THROUGH MUCH OF TONIGHT. THIS MAY PRODUCE
AREAS OF REDUCED VISIBILITY AND RESULT IN SLICK SPOTS ON ROADWAYS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

EXTREME COLD WILL AFFECT THE MIDWEST SUNDAY THROUGH TUESDAY. WIND
CHILLS OF -20 TO -30 WILL CONTINUE FOR THESE DAYS WITH THE MOST
EXTREME WIND CHILLS OF -40 TO -50 EXPECTED SUNDAY NIGHT AND MONDAY.
WINDS OF 15 TO 25 MPH...WITH GUSTS TO 35 MPH WILL LAST THROUGH
SEVERAL DAYS...WITH ACTUAL AIR TEMPERATURES BETWEEN -10 AND -20
SUNDAY NIGHT THROUGH TUESDAY MORNING.

SNOW MAY ALSO IMPACT SOUTHEAST IOWA AND WEST CENTRAL ILLINOIS
SATURDAY AFTERNOON THROUGH SUNDAY. AT THIS TIME...LIGHT AMOUNTS OF
SNOW ARE EXPECTED...BUT THIS MAY CREATE A BLOWING SNOW HAZARD
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

SHEETS/ERVIN

In the hours before

Special weather statement, Jan 3, 2:08 PM CST, 1 hour 42 minutes before
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Nearby

Wind Chill Watches in Iowa, 2014Wind Chill Watches in Illinois, 2014Wind Chill Watches in Missouri, 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.