Alert archive / Pennsylvania / Wind Chill Advisories in 2008

Wind Chill Advisory 2, NWS Philadelphia/Mount Holly

December 21, 2008Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this wind chill advisory at Dec 21, 2008, 2:07 PM EST for Carbon County, Monroe County, Pennsylvania. It took effect at Dec 22, 2008, 4:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2008, 2:07 PM EST (19:07 UTC)
In effect from
Dec 22, 2008, 4:00 AM EST
Expired
Dec 22, 2008, 1:00 PM EST
In force
9 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 19:08 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

Brookhaven, NY (KOKX), launched 12:00Z, 7.1 hours before the alert went out and 224 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, Brookhaven, NY at 12:00Z on 2008-12-21Temperature 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, Brookhaven, NY at 12:00Z on 2008-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 470 square meters per square second.1939587897117136156175Sfc1 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
443 m above ground
0-6 km bulk shear
111 kt
0-1 km storm-relative helicity
470 m²/s²
0-3 km storm-relative helicity
1086 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.

000 
WWUS41 KPHI 211907
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
207 PM EST SUN DEC 21 2008
 
PAZ054-055-221100-
/O.NEW.KPHI.WC.Y.0002.081222T0900Z-081222T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
207 PM EST SUN DEC 21 2008

...WIND CHILL ADVISORY IN EFFECT FROM 4 AM TO 10 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 10 AM EST
MONDAY. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL INVADE THE AREA
TONIGHT. THE COMBINATION OF LOW TEMPERATURES IN THE SINGLE NUMBERS
COUPLED WITH GUSTY WEST WINDS WILL PRODUCE WIND CHILL FACTORS OF
AROUND 15 DEGREES BELOW ZERO COME MONDAY MORNING. ONLY MODEST
RELIEF IS EXPECTED MONDAY AFTERNOON.
 
A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$


STAUBER/GIGI
3 follow-up statements
000 
WWUS41 KPHI 220845
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 AM EST MON DEC 22 2008

PAZ054-055-221500-
/O.CON.KPHI.WC.Y.0002.081222T0900Z-081222T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
345 AM EST MON DEC 22 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 1000 AM.

THE COLDEST AIR MASS OF THE SEASON, SO FAR, IS OVER OUR REGION
THIS MORNING. THE COMBINATION OF LOW TEMPERATURES, IN THE SINGLE
DIGITS, COUPLED WITH GUSTY WEST WINDS WILL PRODUCE WIND CHILL
VALUES OF AROUND 15 DEGREES BELOW ZERO THIS MORNING. ONLY MODEST
RELIEF IS EXPECTED THIS AFTERNOON.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS, MAKE SURE THAT YOU WEAR A HAT AND
GLOVES, AND A NUMBER OF LAYERS OF CLOTHING.

$$
000 
WWUS41 KPHI 221454
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
954 AM EST MON DEC 22 2008

PAZ054-055-221800-
/O.EXT.KPHI.WC.Y.0002.000000T0000Z-081222T1800Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
954 AM EST MON DEC 22 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON. 

THE COLDEST AIR MASS OF THE SEASON... SO FAR...IS OVER OUR REGION
TODAY. THE COMBINATION OF COLD TEMPERATURES...ONLY REACHING INTO
THE MID TEENS TODAY...COUPLED WITH GUSTY WEST WINDS WILL PRODUCE
WIND CHILL VALUES OF 10 TO 20 DEGREES DEGREES BELOW ZERO INTO THIS
AFTERNOON. ONLY MODEST RELIEF IS EXPECTED LATE THIS AFTERNOON.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE THAT YOU WEAR A HAT AND
GLOVES...AND A NUMBER OF LAYERS OF CLOTHING.

$$
000 
WWUS41 KPHI 221753
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1253 PM EST MON DEC 22 2008

PAZ054-055-221900-
/O.EXP.KPHI.WC.Y.0002.000000T0000Z-081222T1800Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
1253 PM EST MON DEC 22 2008

...WIND CHILL ADVISORY WILL EXPIRE AT 1 PM EST THIS AFTERNOON...

THE WIND CHILL ADVISORY WILL EXPIRE AT 1 PM EST THIS AFTERNOON. 

WINDY CONDITIONS WILL STILL EXIST TODAY, HOWEVER, WITH INCREASING
TEMPERATURES, ADVISORY CRITERIA WILL NOT BE MET. THE ADVISORY WILL
BE ALLOWED TO EXPIRE.

$$

HEAVENER

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 21, 2:08 PM ESTWind AdvisoryPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more23 hr

Nearby

Wind Chill Advisories in Pennsylvania, 2008Every wind chill advisory in 2008

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.