Alert archive / Wisconsin / Freeze Warnings in 2014

Freeze Warning 1, NWS Green Bay, WI

September 11, 2014Lincoln County, Oneida County, Vilas County, Wisconsin

NWS Green Bay, WI issued this freeze warning at Sep 11, 2014, 9:33 PM CDT for Lincoln County, Oneida County, Vilas County, Wisconsin. It took effect at Sep 11, 2014, 11:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 11, 2014, 9:33 PM CDT (02:33 UTC)
In effect from
Sep 11, 2014, 11:00 PM CDT
Expired
Sep 12, 2014, 8:00 AM CDT
In force
9 hr
Issued by
NWS Green Bay, WI

Counties Lincoln County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 177 km from the middle of the area, began a volume at 02:35 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 00:00Z, 2.6 hours before the alert went out and 179 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 00:00Z on 2014-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2014-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 square meters per square second.1939587897117Sfc1 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
759 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
66 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 freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this freeze warning went out at Sep 11, 6:30 PM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, Sep 11, 6:30 PM CDT, 3 hours 3 minutes before
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Hazardous weather outlook, Sep 11, 2:47 PM CDT, 6 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
247 PM CDT THU SEP 11 2014

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-122000-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE-
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET-
MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO-
247 PM CDT THU SEP 11 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...TONIGHT

AREAS OF FROST ARE POSSIBLE ACROSS NORTH-CENTRAL WISCONSIN IF
CLEARING OCCURS TONIGHT. PRECAUTIONS SHOULD BE TAKEN TO PROTECT
SENSITIVE VEGETATION. SEE THE LATEST FROST ADVISORY FOR MORE INFORMATION.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY

FROST AND FREEZING TEMPERATURES ARE POSSIBLE ACROSS NORTH CENTRAL
WISCONSIN EARLY SATURDAY MORNING IF SUFFICIENT CLEARING OCCURS. STAY
TUNED FOR A POSSIBLE FROST ADVISORY OR FREEZE WARNING FOR THAT
PART OF THE STATE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

LMZ521-522-541>543-122000-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
247 PM CDT THU SEP 11 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE
MICHIGAN AND THE WATERS OF GREEN BAY.

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

RDM/MPC

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 12, 2:55 PM CDTFrost AdvisoryGRBFlorence, Forest, Langlade, Lincoln, Marathon, Oneida and 3 more17 hr

Nearby

Freeze Warnings in Wisconsin, 2014Every freeze warning 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.