Alert archive / Pennsylvania / Wind Chill Advisories in 2015

Wind Chill Advisory 7, NWS Philadelphia/Mount Holly

February 13, 2015Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this wind chill advisory at Feb 13, 2015, 12:00 PM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 13, 2015, 12:00 PM EST (17:00 UTC)
Expired
Feb 13, 2015, 3:17 PM EST
In force
3 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 17:02 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.0 hours before the alert went out and 176 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, Phillips Aaf/Abe, MD at 12:00Z on 2015-02-13Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2015-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1228 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-8 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.

055 
WWUS41 KPHI 131700
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1200 PM EST FRI FEB 13 2015

PAZ054-055-140100-
/O.CAN.KPHI.WC.W.0001.000000T0000Z-150213T2100Z/
/O.NEW.KPHI.WC.Y.0007.150213T1700Z-150213T2100Z/
/O.CON.KPHI.WC.A.0001.150215T0600Z-150216T1300Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
1200 PM EST FRI FEB 13 2015

...WIND CHILL ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...WIND CHILL WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH MONDAY MORNING...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. THE WIND CHILL WARNING HAS BEEN CANCELLED.

* WIND CHILL VALUES...AS LOW AS 15 DEGREES BELOW ZERO THIS
  AFTERNOON AND AS LOW AS 25 DEGREES BELOW ZERO SATURDAY NIGHT
  THROUGH MONDAY MORNING.

* WINDS...NORTHWEST WINDS GUSTING TO 30 MPH BUT DIMINISHING LATE
  THIS AFTERNOON. NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 55
  MPH SATURDAY NIGHT AND SUNDAY.

* TEMPERATURES...5 BELOW TO 20 ABOVE ZERO.

* TIMING...LOW WIND CHILLS WILL CONTINUE THROUGH THIS AFTERNOON.
  DANGEROUSLY LOW WIND CHILLS WILL OCCUR AGAIN SATURDAY NIGHT
  THROUGH MONDAY MORNING.

* IMPACTS...DANGEROUS WIND CHILLS WILL LEAD TO FROSTBITE AND
  HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS STRONG WINDS COMBINED WITH BITTERLY
COLD TEMPERATURES WILL CREATE EXTREMELY DANGEROUS CONDITIONS FOR
EXPOSED SKIN. THE WIND CHILL WILL BE COLD ENOUGH TO CAUSE
FROSTBITE IN 15 MINUTES OR LESS... AND COULD LEAD TO HYPOTHERMIA
IF PROPER PRECAUTIONS ARE NOT TAKEN. IF YOU MUST GO OUTSIDE...
REMEMBER THAT SEVERAL LAYERS OF CLOTHING WILL KEEP YOU WARMER
THAN A SINGLE HEAVY COAT. IT IS VERY IMPORTANT TO COVER ALL
EXPOSED SKIN TO PROTECT YOURSELF FROM FROSTBITE.

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.

A WIND CHILL WATCH MEANS THE THERE IS THE POTENTIAL FOR A
COMBINATION OF VERY COLD AIR AND STRONG WINDS TO CREATE
DANGEROUSLY LOW WIND CHILL VALUES. MONITOR THE LATEST FORECASTS
AND WARNINGS FOR UPDATES ON THIS SITUATION.

&&

$$

NJZ001-007>009-PAZ060>062-101-103-105-131800-
/O.CAN.KPHI.WC.Y.0005.000000T0000Z-150213T1700Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-
WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...READING...ALLENTOWN...BETHLEHEM...EASTON...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
1200 PM EST FRI FEB 13 2015

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND CHILL ADVISORY.

RISING TEMPERATURES AND DIMINISHING WINDS WILL ALLOW FOR MILDER
CONDITIONS THIS AFTERNOON.

$$

NJZ010-012>015-PAZ102-104-106-131800-
/O.CAN.KPHI.WC.Y.0006.000000T0000Z-150213T1700Z/
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-
EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...
SANDY HOOK...TRENTON...WEST CHESTER...KENNETT SQUARE...
NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN
1200 PM EST FRI FEB 13 2015

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND CHILL ADVISORY.

RISING TEMPERATURES AND DIMINISHING WINDS WILL ALLOW FOR MILDER
CONDITIONS THIS AFTERNOON.


$$
1 follow-up statement
602 
WWUS41 KPHI 132017
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
317 PM EST FRI FEB 13 2015

PAZ054-055-140430-
/O.CAN.KPHI.WC.Y.0007.000000T0000Z-150213T2100Z/
/O.CON.KPHI.WC.A.0001.150215T0600Z-150216T1300Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
317 PM EST FRI FEB 13 2015

...WIND CHILL WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH MONDAY MORNING...
...WIND CHILL ADVISORY IS CANCELLED FOR THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND CHILL ADVISORY.

* WIND CHILL VALUES...AS LOW AS 25 DEGREES BELOW ZERO SATURDAY
  NIGHT THROUGH MONDAY MORNING.

* WINDS...NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 55 MPH
  SATURDAY NIGHT AND SUNDAY.

* TEMPERATURES...10 ABOVE ZERO TO 10 BELOW ZERO.

* TIMING...DANGEROUSLY LOW WIND CHILLS WILL OCCUR AGAIN SATURDAY
  NIGHT THROUGH MONDAY MORNING.

* IMPACTS...DANGEROUS WIND CHILLS WILL LEAD TO FROSTBITE AND 
  HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WATCH MEANS THERE IS THE POTENTIAL FOR A COMBINATION
OF VERY COLD AIR AND STRONG WINDS TO CREATE DANGEROUSLY LOW WIND
CHILL VALUES. MONITOR THE LATEST FORECASTS AND WARNINGS FOR
UPDATES ON THIS SITUATION.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 10:57 PM ESTSpecial Weather StatementPHIMonroe33 min
Feb 13, 3:48 AM ESTWind Chill WatchPHICarbon, Monroe24 hr
Feb 13, 4:16 AM ESTHigh Wind WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more23 hr
Feb 13, 9:04 AM ESTWind Chill AdvisoryPHIBucks, Chester, Montgomery3 hr
Feb 13, 4:15 PM ESTWinter Weather AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more42 hr

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.