Alert archive / Wisconsin / Frost Advisories in 2012

Frost Advisory 2, NWS Green Bay, WI

May 15, 20126 counties in Wisconsin

NWS Green Bay, WI issued this frost advisory at May 15, 2012, 1:52 PM CDT for 6 counties in Wisconsin. It took effect at May 16, 2012, 1:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 15, 2012, 1:52 PM CDT (18:52 UTC)
In effect from
May 16, 2012, 1:00 AM CDT
Expired
May 16, 2012, 7:00 AM CDT
In force
6 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 152 km from the middle of the area, began a volume at 18:53 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, 6.9 hours before the alert went out and 154 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 2012-05-15Temperature 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°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 2012-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
2744 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

160 
WWUS73 KGRB 151852
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
152 PM CDT TUE MAY 15 2012

...FROST EXPECTED ACROSS THE NORTH TONIGHT...

.SKIES WILL CLEAR AND WINDS WILL DIMINISH TONIGHT BEHIND A COLD
FRONT...ALLOWING FOR TEMPERATURES TO COOL QUICKLY AND WIDESPREAD
FROST TO DEVELOP.

WIZ005-010>012-018-019-160300-
/O.NEW.KGRB.FR.Y.0002.120516T0600Z-120516T1200Z/
VILAS-ONEIDA-FOREST-FLORENCE-LINCOLN-LANGLADE-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...CRANDON...
TOMAHAWK...ANTIGO
152 PM CDT TUE MAY 15 2012

...FROST ADVISORY IN EFFECT FROM 1 AM TO 7 AM CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM CDT WEDNESDAY. 

* TEMPERATURE...32 TO 36 DEGREES.

* IMPACTS...PLANTS THAT ARE SENSITIVE TO FROST CAN BE DAMAGED AND
  SHOULD BE COVERED OR TAKEN INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

WOLF
2 follow-up statements
545 
WWUS73 KGRB 160222
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
922 PM CDT TUE MAY 15 2012

...FROST EXPECTED ACROSS THE NORTH TONIGHT...

.CLEAR SKIES AND DIMINISHING WINDS TONIGHT WILL ALLOW FOR
TEMPERATURES TO COOL QUICKLY WITH WIDESPREAD FROST DEVELOPING.

WIZ005-010>012-018-019-161030-
/O.CON.KGRB.FR.Y.0002.120516T0600Z-120516T1200Z/
VILAS-ONEIDA-FOREST-FLORENCE-LINCOLN-LANGLADE-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...CRANDON...
TOMAHAWK...ANTIGO
922 PM CDT TUE MAY 15 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
WEDNESDAY...

* TEMPERATURE...32 TO 36 DEGREES.

* IMPACTS...PLANTS THAT ARE SENSITIVE TO FROST CAN BE DAMAGED 
  AND SHOULD BE COVERED OR TAKEN INSIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
279 
WWUS73 KGRB 160844
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
344 AM CDT WED MAY 16 2012

...FROST EXPECTED ACROSS NORTH CENTRAL WISCONSIN EARLY THIS MORNING...

.CLEAR SKIES AND LIGHT WINDS WILL ALLOW WIDESPREAD FROST TO DEVELOP.

WIZ005-010>012-018-019-161200-
/O.CON.KGRB.FR.Y.0002.000000T0000Z-120516T1200Z/
VILAS-ONEIDA-FOREST-FLORENCE-LINCOLN-LANGLADE-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...CRANDON...
TOMAHAWK...ANTIGO
344 AM CDT WED MAY 16 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* TEMPERATURES WILL BE FROM 32 TO 36 DEGREES AT MOST LOCATIONS...
  ALTHOUGH LOCAL SUB-FREEZING READINGS ARE ANTICIPATED IN THE
  TYPICAL COLD SPOTS.

* PLANTS THAT ARE SENSITIVE TO FROST WILL BE DAMAGED AND SHOULD
  BE COVERED OR TAKEN INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
TSK

Nearby

Frost Advisories in Wisconsin, 2012Every frost advisory in 2012

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.