Alert archive / Iowa / Wind Chill Advisories in 2014

Wind Chill Advisory 15, NWS Quad Cities, IA

March 2, 201414 counties in Iowa; Jo Daviess County, Illinois

NWS Quad Cities, IA issued this wind chill advisory at Mar 2, 2014, 3:51 AM CST for 14 counties in Iowa; Jo Daviess County, Illinois. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2014, 3:51 AM CST (09:51 UTC)
Expired
Mar 2, 2014, 12:00 PM CST
In force
8 hr
Issued by
NWS Quad Cities, IA

Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Washington County, IA, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 76 km from the middle of the area, began a volume at 09:51 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

Lincoln, IL (KILX), launched 00:00Z, 9.9 hours before the alert went out and 306 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, Lincoln, IL at 00:00Z on 2014-03-02Temperature 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, Lincoln, IL at 00:00Z on 2014-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 square meters per square second.1939587897117136Sfc1 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
786 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
485 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 Quad Cities, IA wrote its last area forecast discussion before this wind chill advisory went out at Mar 2, 3:37 AM CST, 14 minutes earlier.

Area forecast discussion, Mar 2, 3:37 AM CST, 14 minutes before
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Hazardous weather outlook, Mar 1, 4:20 AM CST, 23 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
420 AM CST SAT MAR 1 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-021030-
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-
420 AM CST SAT MAR 1 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

A WINTER STORM SYSTEM WILL SPREAD SNOW AND BITTER COLD
TEMPERATURES OVER THE REGION THIS AFTERNOON THROUGH TONIGHT. A
WINTER WEATHER ADVISORY IS IN EFFECT FOR THE ENTIRE OUTLOOK AREA.
PLEASE SEE THE LATEST WINTER WEATHER PRODUCT FOR FURTHER
INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SNOW WILL BE ENDING OVER AREAS SOUTH OF INTERSTATE 80 DURING THE DAY
SUNDAY.  ANOTHER INCH OF ACCUMULATION IS POSSIBLE BEFORE THE SNOW
MOVES OUT OF THE AREA.  NORTH WINDS AT 10 TO 15 MPH WILL CAUSE SOME
DRIFTING SNOW.

BITTERLY COLD TEMPERATURES ARE EXPECTED SUNDAY NIGHT.  THE COLD
TEMPERATURES AND NORTH WINDS AT 5 TO 10 MPH WILL CREATE DANGEROUSLY
LOW WIND CHILLS...RANGING FROM AROUND -30 IN THE NORTHWEST TO AROUND -15
IN THE SOUTHEAST.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
HOWEVER...REPORTS OF SNOWFALL AMOUNTS OF 1 INCH OR GREATER WOULD
BE WOULD BE APPRECIATED.

DLS/DLF

In the hours before

Local storm report, Mar 2, 12:54 AM CST, 2 hours 57 minutes before
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Local storm report, Mar 2, 1:12 AM CST, 2 hours 39 minutes before
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Local storm report, Mar 2, 2:08 AM CST, 1 hour 43 minutes before
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Local storm report, Mar 2, 2:48 AM CST, 1 hour 3 minutes before
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Local storm report, Mar 2, 3:20 AM CST, 31 minutes before
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Local storm report, Mar 2, 3:26 AM CST, 25 minutes before
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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 3:44 PM CSTWind Chill AdvisoryDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more17 hr

Nearby

Wind Chill Advisories in Iowa, 2014Wind Chill Advisories in Illinois, 2014Every wind chill advisory 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.