Alert archive / Pennsylvania / Wind Chill Advisories in 2015

Wind Chill Advisory 10, NWS Philadelphia/Mount Holly

February 22, 2015Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this wind chill advisory at Feb 22, 2015, 3:40 PM EST for Carbon County, Monroe County, Pennsylvania. It took effect at Feb 23, 2015, 4:00 AM EST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2015, 3:40 PM EST (20:40 UTC)
In effect from
Feb 23, 2015, 4:00 AM EST
Expired
Feb 24, 2015, 10:00 AM EST
In force
30 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 20:43 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, 8.7 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 2015-02-22Temperature 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 2015-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 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
454 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
-35 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.

473 
WWUS41 KPHI 222040
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
340 PM EST SUN FEB 22 2015
 
PAZ054-055-230945-
/O.NEW.KPHI.WC.Y.0010.150223T0900Z-150224T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
340 PM EST SUN FEB 22 2015

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

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

* LOCATIONS...THE POCONOS.

* WIND CHILL...AS LOW AS 15 TO 20 BELOW ZERO.
 
* TIMING...THE LOWEST WIND CHILLS WILL OCCUR ON MONDAY MORNING AND
  AGAIN ON TUESDAY MORNING.

* IMPACTS...FROSTBITE AND HYPOTHERMIA ARE POSSIBLE IF PROPER
  PRECAUTIONS ARE NOT TAKEN.
 
* LOW TEMPERATURES...IN THE SINGLE NUMBERS ON MONDAY MORNING
  AND ZERO TO TEN BELOW ZERO ON TUESDAY MORNING.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
3 follow-up statements
753 
WWUS41 KPHI 230901
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
401 AM EST MON FEB 23 2015

PAZ054-055-232115-
/O.CON.KPHI.WC.Y.0010.000000T0000Z-150224T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
401 AM EST MON FEB 23 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...

* LOCATIONS...THE POCONOS.

* WIND CHILL...DROPPING TO 10 BELOW LATER THIS MORNING AND BETWEEN
  15 TO 20 DEGREES BELOW LATE TONIGHT.

* TIMING...THE LOWEST WIND CHILLS WILL OCCUR LATER THIS MORNING AS
  AN ARCTIC COLD FRONT SLIDES THROUGH AND THE WINDS INCREASE.
  ANOTHER COLD NIGHT, WITH LESS WIND, IS EXPECTED TONIGHT AS WIND
  CHILLS WILL BE BETWEEN 15 TO 20 BELOW.

* IMPACTS...FROSTBITE AND HYPOTHERMIA ARE POSSIBLE IF PROPER 
  PRECAUTIONS ARE NOT TAKEN.

* TEMPERATURES...DROPPING INTO THE SINGLE DIGITS BY LATER THIS
  MORNING AND ZERO TO TEN BELOW ZERO ON TUESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
488 
WWUS41 KPHI 232018
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
318 PM EST MON FEB 23 2015

PAZ054-055-241500-
/O.CON.KPHI.WC.Y.0010.000000T0000Z-150224T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
318 PM EST MON FEB 23 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...

* LOCATIONS...THE POCONOS.

* WIND CHILL...AS LOW AS 20 BELOW ZERO.

* TIMING...ANOTHER COLD NIGHT...WITH LESS WIND...IS EXPECTED
  TONIGHT AS WIND CHILLS WILL BE BETWEEN 15 TO 20 BELOW.

* IMPACTS...FROSTBITE AND HYPOTHERMIA ARE POSSIBLE IF PROPER 
  PRECAUTIONS ARE NOT TAKEN.

* TEMPERATURES...5 TO 10 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
187 
WWUS41 KPHI 241445
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
945 AM EST TUE FEB 24 2015

PAZ054-055-241545-
/O.EXP.KPHI.WC.Y.0010.000000T0000Z-150224T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
945 AM EST TUE FEB 24 2015

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING...

TEMPERATURES WILL CONTINUE TO RISE INTO THE LOW TO MID TEENS TODAY
AND WIND CHILLS WILL REBOUND SLIGHTLY, SO THE WIND CHILL ADVISORY
WILL BE ALLOWED TO EXPIRE.

WIND CHILLS FOR MANY PLACES WILL LIKELY REMAIN IN THE NEGATIVE
SINGLE DIGITS.

$$

ROBERTSON

Nearby

Wind Chill Advisories in Pennsylvania, 2015Every wind chill advisory in 2015

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.