Alert archive / Pennsylvania / Wind Chill Warnings in 2015

Wind Chill Warning 2, NWS Pittsburgh, PA

February 18, 201511 counties in Pennsylvania; Carroll County, Columbiana County, Ohio

NWS Pittsburgh, PA issued this wind chill warning at Feb 18, 2015, 9:42 PM EST for 11 counties in Pennsylvania; Carroll County, Columbiana County, Ohio. It took effect at Feb 19, 2015, 7:00 PM EST. It was in force for 17 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
Feb 18, 2015, 9:42 PM EST (02:42 UTC)
In effect from
Feb 19, 2015, 7:00 PM EST
Expired
Feb 20, 2015, 12:00 PM EST
In force
17 hr
Issued by
NWS Pittsburgh, PA

Counties Carroll County, OH, Columbiana County, OH, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 48 km from the middle of the area, began a volume at 02:39 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

Pittsburgh, PA (KAGC), launched 00:00Z, 2.7 hours before the alert went out and 55 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, Pittsburgh, PA at 00:00Z on 2015-02-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2015-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.19395878Sfc1 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
951 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
13 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.

601 
WWUS41 KPBZ 190242
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
942 PM EST WED FEB 18 2015

MDZ001-PAZ074-076-WVZ023-041-191000-
/O.CAN.KPBZ.WW.Y.0015.000000T0000Z-150219T1200Z/
/O.NEW.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
/O.EXT.KPBZ.WC.Y.0008.150219T0600Z-150220T0000Z/
GARRETT-WESTMORELAND RIDGES-FAYETTE RIDGES-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...LIGONIER...DONEGAL...
CHAMPION...OHIOPYLE...KINGWOOD...PARSONS
942 PM EST WED FEB 18 2015

...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM TO 7 PM EST
THURSDAY...
...WIND CHILL WARNING IN EFFECT FROM 7 PM THURSDAY TO NOON EST
FRIDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 7 PM THURSDAY TO NOON EST
FRIDAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED.

* WIND CHILL...15 TO 24 BELOW OVERNIGHT AND THURSDAY...AND AS LOW
  AS 25 TO 35 BELOW THURSDAY NIGHT INTO FRIDAY MORNING.

* WIND...WEST 10 TO 20 MPH.

* TEMPERATURES...15 BELOW TO 5 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF PRECAUTIONS
  ARE NOT TAKEN. 

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

PAZ009-016-023-191000-
/O.NEW.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
/O.EXT.KPBZ.WC.Y.0008.150219T0600Z-150220T0000Z/
FOREST-JEFFERSON PA-INDIANA-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA
942 PM EST WED FEB 18 2015

...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM TO 7 PM EST
THURSDAY...
...WIND CHILL WARNING IN EFFECT FROM 7 PM THURSDAY TO NOON EST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 7 PM THURSDAY TO NOON EST
FRIDAY.

* WIND CHILL...15 TO 24 BELOW OVERNIGHT AND THURSDAY...AND AS LOW
  AS 25 TO 30 BELOW THURSDAY NIGHT INTO FRIDAY MORNING.

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...13 BELOW TO 5 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. DO NOT
VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ039>041-048>050-057>059-068-069-PAZ007-008-013>015-020>022-029-
031-073-075-WVZ001>004-012-021-022-191000-
/O.CON.KPBZ.WC.Y.0008.150219T0600Z-150220T1700Z/
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-LAWRENCE-
BUTLER-CLARION-BEAVER-ALLEGHENY-ARMSTRONG-WASHINGTON-GREENE-
WESTMORELAND-FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-
MONONGALIA-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...CARROLLTON...SALEM...
COSHOCTON...CADIZ...STEUBENVILLE...ZANESVILLE...CAMBRIDGE...
ST. CLAIRSVILLE...CALDWELL...WOODSFIELD...GROVE CITY...FRANKLIN...
NEW CASTLE...BUTLER...CLARION...BEAVER...PITTSBURGH METRO AREA...
KITTANNING...WASHINGTON...WAYNESBURG...GREENSBURG...LATROBE...
UNIONTOWN...WEIRTON...BETHANY...WHEELING...MOUNDSVILLE...
NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
942 PM EST WED FEB 18 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO
NOON EST FRIDAY...

* WIND CHILL...10 TO 24 BELOW ZERO.

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...11 BELOW TO 6 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
6 follow-up statements
454 
WWUS41 KPBZ 190849
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
349 AM EST THU FEB 19 2015

OHZ040-041-PAZ007-008-013>015-020-022-191700-
/O.EXA.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
/O.EXT.KPBZ.WC.Y.0008.000000T0000Z-150220T0000Z/
CARROLL-COLUMBIANA-MERCER-VENANGO-LAWRENCE-BUTLER-CLARION-BEAVER-
ARMSTRONG-
INCLUDING THE CITIES OF...CARROLLTON...SALEM...GROVE CITY...
FRANKLIN...NEW CASTLE...BUTLER...CLARION...BEAVER...KITTANNING
349 AM EST THU FEB 19 2015

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST FRIDAY.

* WIND CHILL...20 TO 30 BELOW.

* WINDS...WEST 10 TO 20 MPH.

* TEMPERATURES...12 BELOW TO 4 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

MDZ001-PAZ009-016-023-074-076-WVZ023-041-191700-
/O.CON.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T0000Z/
GARRETT-FOREST-JEFFERSON PA-INDIANA-WESTMORELAND RIDGES-
FAYETTE RIDGES-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...TIONESTA...BROOKVILLE...
INDIANA...LIGONIER...DONEGAL...CHAMPION...OHIOPYLE...KINGWOOD...
PARSONS
349 AM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST FRIDAY...

* WIND CHILL...25 TO 35 BELOW.

* WINDS...WEST 10 TO 20 MPH.

* TEMPERATURES...14 BELOW TO 4 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ039-048>050-057>059-068-069-PAZ021-029-031-073-075-WVZ001>004-
012-021-022-191700-
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-GUERNSEY-
BELMONT-NOBLE-MONROE-ALLEGHENY-WASHINGTON-GREENE-WESTMORELAND-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...COSHOCTON...CADIZ...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...ST. CLAIRSVILLE...
CALDWELL...WOODSFIELD...PITTSBURGH METRO AREA...WASHINGTON...
WAYNESBURG...GREENSBURG...LATROBE...UNIONTOWN...WEIRTON...
BETHANY...WHEELING...MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...
MORGANTOWN
349 AM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST FRIDAY...

* WIND CHILL...15 TO 24 BELOW.

* WINDS...WEST 10 TO 20 MPH.

* TEMPERATURES...10 BELOW TO 6 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
629 
WWUS41 KPBZ 191659
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1159 AM EST THU FEB 19 2015

MDZ001-OHZ040-041-PAZ007>009-013>016-020-022-023-074-076-WVZ023-
041-200100-
/O.CON.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T0000Z/
GARRETT-CARROLL-COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-
CLARION-JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-WESTMORELAND RIDGES-
FAYETTE RIDGES-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...CARROLLTON...SALEM...
GROVE CITY...FRANKLIN...TIONESTA...NEW CASTLE...BUTLER...
CLARION...BROOKVILLE...BEAVER...KITTANNING...INDIANA...LIGONIER...
DONEGAL...CHAMPION...OHIOPYLE...KINGWOOD...PARSONS
1159 AM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST FRIDAY...

* WIND CHILL...AS LOW AS 35 BELOW DUE TO TEMPERATURES 13 BELOW 
  TO 4 ABOVE ZERO...AND WINDS WEST 10 TO 20 MPH WITH GUSTS UP TO 
  30 MPH.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...13 BELOW TO 4 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ039-048>050-057>059-068-069-PAZ021-029-031-073-075-WVZ001>004-
012-021-022-200100-
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-GUERNSEY-
BELMONT-NOBLE-MONROE-ALLEGHENY-WASHINGTON-GREENE-WESTMORELAND-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...COSHOCTON...CADIZ...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...ST. CLAIRSVILLE...
CALDWELL...WOODSFIELD...PITTSBURGH METRO AREA...WASHINGTON...
WAYNESBURG...GREENSBURG...LATROBE...UNIONTOWN...WEIRTON...
BETHANY...WHEELING...MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...
MORGANTOWN
1159 AM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST FRIDAY...

* WIND CHILL...AS LOW AS 24 BELOW DUE TO TEMPERATURES 10 BELOW 
  TO 6 ABOVE ZERO...AND WINDS WEST 10 TO 20 MPH WITH GUSTS UP TO 
  30 MPH.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...10 BELOW TO 6 ABOVE ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
563 
WWUS41 KPBZ 192337
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
637 PM EST THU FEB 19 2015

MDZ001-OHZ040-041-PAZ007>009-013>016-020-022-023-074-076-WVZ023-
041-200745-
/O.EXP.KPBZ.WC.Y.0008.000000T0000Z-150220T0000Z/
/O.CON.KPBZ.WC.W.0002.150220T0000Z-150220T1700Z/
GARRETT-CARROLL-COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-
CLARION-JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-WESTMORELAND RIDGES-
FAYETTE RIDGES-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...CARROLLTON...SALEM...
GROVE CITY...FRANKLIN...TIONESTA...NEW CASTLE...BUTLER...
CLARION...BROOKVILLE...BEAVER...KITTANNING...INDIANA...LIGONIER...
DONEGAL...CHAMPION...OHIOPYLE...KINGWOOD...PARSONS
637 PM EST THU FEB 19 2015

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST FRIDAY...
...WIND CHILL ADVISORY WILL EXPIRE AT 7 PM EST THIS EVENING...

* WIND CHILL...FALLING TO 25 TO 35 BELOW ZERO...AND AS LOW AS 40
  BELOW ZERO IN THE HIGHER ELEVATIONS.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH...DECREASING
  OVERNIGHT.

* LOW TEMPERATURES...12 TO 18 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ039-048>050-057>059-068-069-PAZ021-029-031-073-075-WVZ001>004-
012-021-022-200745-
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-GUERNSEY-
BELMONT-NOBLE-MONROE-ALLEGHENY-WASHINGTON-GREENE-WESTMORELAND-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...COSHOCTON...CADIZ...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...ST. CLAIRSVILLE...
CALDWELL...WOODSFIELD...PITTSBURGH METRO AREA...WASHINGTON...
WAYNESBURG...GREENSBURG...LATROBE...UNIONTOWN...WEIRTON...
BETHANY...WHEELING...MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...
MORGANTOWN
637 PM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST FRIDAY...

* WIND CHILL...15 TO 25 BELOW ZERO.

* WINDS...WEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH THIS
  EVENING...DECREASING OVERNIGHT.

* LOW TEMPERATURES...5 TO 15 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
798 
WWUS41 KPBZ 200238
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
938 PM EST THU FEB 19 2015

OHZ040-041-PAZ020-201045-
/O.CAN.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
/O.EXA.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
CARROLL-COLUMBIANA-BEAVER-
INCLUDING THE CITIES OF...CARROLLTON...SALEM...BEAVER
938 PM EST THU FEB 19 2015

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON EST FRIDAY...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST FRIDAY. THE
WIND CHILL WARNING HAS BEEN CANCELLED.

* WIND CHILL...15 TO 25 BELOW ZERO.

* WINDS...WEST 5 TO 10 MPH...DECREASING OVERNIGHT.

* LOW TEMPERATURES...5 TO 15 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$

MDZ001-PAZ007>009-013>016-022-023-074-076-WVZ023-041-201045-
/O.CON.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
GARRETT-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-ARMSTRONG-INDIANA-WESTMORELAND RIDGES-FAYETTE RIDGES-
PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GROVE CITY...FRANKLIN...
TIONESTA...NEW CASTLE...BUTLER...CLARION...BROOKVILLE...
KITTANNING...INDIANA...LIGONIER...DONEGAL...CHAMPION...OHIOPYLE...
KINGWOOD...PARSONS
938 PM EST THU FEB 19 2015

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST FRIDAY...

* WIND CHILL...FALLING TO 25 TO 35 BELOW ZERO...AND AS LOW AS 40 
  BELOW ZERO IN THE HIGHER ELEVATIONS.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH EARLY THIS
  EVENING...DECREASING OVERNIGHT.

* LOW TEMPERATURES...12 TO 18 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ039-048>050-057>059-068-069-PAZ021-029-031-073-075-WVZ001>004-
012-021-022-201045-
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-GUERNSEY-
BELMONT-NOBLE-MONROE-ALLEGHENY-WASHINGTON-GREENE-WESTMORELAND-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...COSHOCTON...CADIZ...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...ST. CLAIRSVILLE...
CALDWELL...WOODSFIELD...PITTSBURGH METRO AREA...WASHINGTON...
WAYNESBURG...GREENSBURG...LATROBE...UNIONTOWN...WEIRTON...
BETHANY...WHEELING...MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...
MORGANTOWN
938 PM EST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST FRIDAY...

* WIND CHILL...15 TO 25 BELOW ZERO.

* WINDS...WEST 5 TO 10 MPH...DECREASING OVERNIGHT.

* LOW TEMPERATURES...5 TO 15 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
160 
WWUS41 KPBZ 200901
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
401 AM EST FRI FEB 20 2015

PAZ007-008-013>015-022-201700-
/O.CAN.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
/O.EXA.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
MERCER-VENANGO-LAWRENCE-BUTLER-CLARION-ARMSTRONG-
INCLUDING THE CITIES OF...GROVE CITY...FRANKLIN...NEW CASTLE...
BUTLER...CLARION...KITTANNING
401 AM EST FRI FEB 20 2015

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON EST TODAY...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. THE
WIND CHILL WARNING HAS BEEN CANCELLED.

* WIND CHILL...AS LOW AS 24 BELOW.

* WINDS...WEST AROUND 5.

* TEMPERATURES...5 TO 21 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$

MDZ001-WVZ023-041-201715-
/O.NEW.KPBZ.WS.A.0004.150221T1100Z-150222T1100Z/
/O.CON.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...KINGWOOD...PARSONS
401 AM EST FRI FEB 20 2015

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT.

* ICE ACCUMULATIONS...AROUND A TRACE.

* SNOW ACCUMULATIONS...6 INCHES OR MORE.

* WIND CHILL...AS LOW AS 39 BELOW.

* WINDS...SOUTHWEST 10 TO 20 MPH.

* LOW TEMPERATURES...12 TO 18 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

* SNOW/ICE BEGINNING...AROUND DAWN SATURDAY.

* PERIOD OF MOST INTENSE SNOW/ICE...SATURDAY AFTERNOON AND EVENING.

* SNOW ENDING...SUNDAY MORNING.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO
  ACCUMULATION OF A WINTRY MIX OF SNOW AND ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

A WINTER STORM WATCH MEANS THAT SNOW...SLEET...OR ICE
ACCUMULATION MAY SEVERELY IMPACT TRAVEL. PREPARE FOR WINTER
WEATHER AND MONITOR THE LATEST FORECASTS VIA THE NATIONAL WEATHER
SERVICE HOMEPAGE NOAA WEATHER RADIO OR OTHER NEWS MEDIA.

&&

$$

PAZ009-016-023-074-076-201700-
/O.CON.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
FOREST-JEFFERSON PA-INDIANA-WESTMORELAND RIDGES-FAYETTE RIDGES-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA...
LIGONIER...DONEGAL...CHAMPION...OHIOPYLE
401 AM EST FRI FEB 20 2015

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WIND CHILL...AS LOW AS 35 BELOW.

* WINDS...WEST 5 TO 10 MPH.

* LOW TEMPERATURES...12 TO 18 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT
IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  DO
NOT VENTURE OUTDOORS UNLESS YOU ARE PROPERLY DRESSED FOR THE
CONDITIONS.

&&

$$

OHZ057>059-068-069-PAZ031-WVZ004-012-021-022-201715-
/O.NEW.KPBZ.WW.Y.0016.150221T0600Z-150222T0000Z/
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-GREENE-MARSHALL-WETZEL-
MARION-MONONGALIA-
INCLUDING THE CITIES OF...ZANESVILLE...CAMBRIDGE...
ST. CLAIRSVILLE...CALDWELL...WOODSFIELD...WAYNESBURG...
MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
401 AM EST FRI FEB 20 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND ICE...WHICH IS IN EFFECT FROM 1 AM
TO 7 PM EST SATURDAY.

* ICE ACCUMULATIONS...AROUND A TRACE.

* SNOW ACCUMULATIONS...3 TO 5 INCHES.

* WIND CHILL...AS LOW AS 24 BELOW.

* WINDS...SOUTH AROUND 5 MPH.

* LOW TEMPERATURES...5 TO 15 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

* SNOW/ICE BEGINNING...BETWEEN 1 AM AND 7 AM.

* PERIOD OF MOST INTENSE SNOW/ICE...LATE SATURDAY MORNING THROUGH
  THE AFTERNOON.

* SNOW/ICE ENDING...SATURDAY EVENING.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO SNOW AND
  ICE COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

A WINTER WEATHER ADVISORY MEANS THAT SNOW OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHILE DRIVING AND REPORT
SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY
CALLING 412-262-1988...POSTING TO THE NWS PITTSBURGH FACEBOOK
PAGE...OR USING TWITTER @NWSPITTSBURGH.

&&

$$

OHZ039>041-048>050-PAZ020-021-029-073-075-WVZ001>003-201700-
/O.CON.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
BEAVER-ALLEGHENY-WASHINGTON-WESTMORELAND-FAYETTE-HANCOCK-BROOKE-
OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...CARROLLTON...SALEM...
COSHOCTON...CADIZ...STEUBENVILLE...BEAVER...
PITTSBURGH METRO AREA...WASHINGTON...GREENSBURG...LATROBE...
UNIONTOWN...WEIRTON...BETHANY...WHEELING
401 AM EST FRI FEB 20 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WIND CHILL...AS LOW AS 24 BELOW.

* WINDS...WEST AROUND 5 MPH.

* LOW TEMPERATURES...5 TO 15 BELOW ZERO.

* IMPACTS...FROST BITE AND HYPOTHERMIA ARE POSSIBLE IF 
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WIND
WILL PRODUCE LOW WIND CHILL INDICES.  THIS COULD RESULT IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS PROPERLY.

&&

$$
678 
WWUS41 KPBZ 201657
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1157 AM EST FRI FEB 20 2015

MDZ001-WVZ023-041-210100-
/O.EXP.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
/O.CON.KPBZ.WS.A.0004.150221T1100Z-150222T1100Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...KINGWOOD...PARSONS
1157 AM EST FRI FEB 20 2015

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT...
...WIND CHILL WARNING WILL EXPIRE AT NOON EST TODAY...

* ICE ACCUMULATIONS...AROUND A TRACE.

* SNOW ACCUMULATIONS...6 INCHES OR MORE.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  ACCUMULATION OF A WINTRY MIX OF SNOW AND ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THAT SNOW...SLEET...OR ICE
ACCUMULATION MAY SEVERELY IMPACT TRAVEL. PREPARE FOR WINTER
WEATHER AND MONITOR THE LATEST FORECASTS VIA THE NATIONAL WEATHER
SERVICE HOMEPAGE NOAA WEATHER RADIO OR OTHER NEWS MEDIA.

&&

$$

PAZ009-016-023-074-076-201800-
/O.EXP.KPBZ.WC.W.0002.000000T0000Z-150220T1700Z/
FOREST-JEFFERSON PA-INDIANA-WESTMORELAND RIDGES-FAYETTE RIDGES-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA...
LIGONIER...DONEGAL...CHAMPION...OHIOPYLE
1157 AM EST FRI FEB 20 2015

...WIND CHILL WARNING WILL EXPIRE AT NOON EST TODAY...

TEMPERATURES WILL CONTINUE TO WARM TODAY.

$$

OHZ057>059-068-069-PAZ031-WVZ004-012-021-022-210100-
/O.EXP.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
/O.CON.KPBZ.WW.Y.0016.150221T0600Z-150222T0000Z/
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-GREENE-MARSHALL-WETZEL-
MARION-MONONGALIA-
INCLUDING THE CITIES OF...ZANESVILLE...CAMBRIDGE...
ST. CLAIRSVILLE...CALDWELL...WOODSFIELD...WAYNESBURG...
MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
1157 AM EST FRI FEB 20 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
EST SATURDAY...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON EST TODAY...

* ICE ACCUMULATIONS...AROUND A TRACE.

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* PERIOD OF MOST INTENSE SNOW/ICE...SATURDAY MORNING THROUGH THE
  AFTERNOON.

* SNOW/ICE ENDING...SATURDAY EVENING.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO SNOW 
  AND ICE COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHILE DRIVING AND REPORT
SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY
CALLING 412-262-1988...POSTING TO THE NWS PITTSBURGH FACEBOOK
PAGE...OR USING TWITTER @NWSPITTSBURGH.


&&

$$

OHZ039>041-048>050-PAZ007-008-013>015-020>022-029-073-075-
WVZ001>003-201800-
/O.EXP.KPBZ.WC.Y.0008.000000T0000Z-150220T1700Z/
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MERCER-VENANGO-LAWRENCE-BUTLER-CLARION-BEAVER-ALLEGHENY-ARMSTRONG-
WASHINGTON-WESTMORELAND-FAYETTE-HANCOCK-BROOKE-OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...CARROLLTON...SALEM...
COSHOCTON...CADIZ...STEUBENVILLE...GROVE CITY...FRANKLIN...
NEW CASTLE...BUTLER...CLARION...BEAVER...PITTSBURGH METRO AREA...
KITTANNING...WASHINGTON...GREENSBURG...LATROBE...UNIONTOWN...
WEIRTON...BETHANY...WHEELING
1157 AM EST FRI FEB 20 2015

...WIND CHILL ADVISORY WILL EXPIRE AT NOON EST TODAY...

TEMPERATURES WILL CONTINUE TO WARM TODAY.

$$

15

What forecasters said that day

The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this wind chill warning went out at Feb 18, 7:02 PM EST, 2 hours 40 minutes earlier.

Area forecast discussion, Feb 18, 7:02 PM EST, 2 hours 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
702 PM EST WED FEB 18 2015

.SYNOPSIS...
SCATTERED SNOW SHOWERS WILL CONTINUE INTO THURSDAY...AS ANOTHER
ARCTIC AIR MASS POURS INTO THE REGION.  DRY WEATHER RETURNS BRIEFLY
ON FRIDAY AHEAD OF A WEEKEND WEATHER SYSTEM.

&&

.NEAR TERM /THROUGH THURSDAY/...
645 PM UPDATE...MAIN CHANGE WAS TO DECREASE POPS A LITTLE BIT MORE
QUICKLY...BASED ON LATEST RADAR TRENDS AND PASSAGE OF H500 TROUGH AXIS.
ALSO...HRRR/RAP SOUNDINGS SHOWING THE DENDRITIC GROWTH LAYER DIVING
INTO THE GROUND...WHICH WILL PUT A DAMPER ON FURTHER SNOW
ACCUMULATION.  SLIGHTLY DECREASED 00Z-12Z SNOW ACCUMULATIONS IN THE
GRIDS...ESPECIALLY ON THE RIDGES. WILL ALLOW WINTER WEATHER ADVISORY
TO CONTINUE FOR NOW BUT PICTURE CANCELLING IT EARLY IF CURRENT
TRENDS CONTINUE.  CL

PREVIOUS DISCUSSION...

HEAVIEST SNOWFALL THIS AFTERNOON IS OCCURRING IN A NORTH-SOUTH
ORIENTED BAND EXTENDING FROM ARMSTRONG COUNTY PENNSYLVANIA INTO
MONONGALIA COUNTY WEST VIRGINIA ALONG A COLD FRONT. SNOWFALL RATES
HAVE BEEN AS HIGH AS AN INCH PER HOUR ALONG THE LINE. THIS LINE WILL
MOVE EAST OF THE AREA IN THE NEXT ONE TO TWO HOURS. BEHIND THE
FRONT...SNOW SHOWER COVERAGE WILL DIMINISH...ALTHOUGH WESTERLY
WINDS WILL ALLOW UPSLOPE SNOW TO CONTINUE OVERNIGHT. WILL CONTINUE
THE WINTER WEATHER ADVISORY OVERNIGHT FOR THE HIGHER ELEVATIONS OF
PA/WV/MD...WITH AREAS OUTSIDE OF THE ADVISORY GETTING LESS THAN AN
INCH OF SNOW AFTER SUNSET. ADDITIONAL SNOWFALL WILL BE LIGHT AGAIN
ON THURSDAY WITH WESTERLY WINDS CONTINUING AND POSSIBLY BRINGING
TRAJECTORIES OFF LAKE MICHIGAN...BUT WITH HOW COLD TEMPERATURES
WILL BE...MOISTURE CONTENT OF AIR WILL BE SO LOW THAT ONLY MINIMAL
ACCUMULATIONS WILL BE POSSIBLE.

SPEAKING OF THE COLD AIR...TEMPERATURES ARE ALREADY STARTING TO FALL
BEHIND THE COLD FRONT. ANOTHER NIGHT OF TEMPERATURES WITHIN A FEW
DEGREES OF ZERO ARE EXPECTED TONIGHT. DAYTIME TEMPERATURES ON
THURSDAY WILL BE IN THE BALLPARK OF WHAT OCCURRED THIS PAST
SUNDAY...WITH SINGLE DIGITS THE EXPECTED HIGH. SOME LOCATIONS MAY BE
LUCKY TO REACH ZERO. WIND CHILL ADVISORY WILL CONTINUE IN ALL
LOCATIONS THROUGH THIS TIME PERIOD.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
ANY LEFTOVER SNOW SHOWERS WILL DIMINISH QUICKLY THURSDAY EVENING AS
WINDS BEGIN TO BACK TO THE SOUTHWEST. THURSDAY NIGHT WILL BE EVEN
COLDER THAN TONIGHT...ALTHOUGH TEMPERATURES DO NOT APPEAR TO BE AS
COLD AS LAST SUNDAY NIGHT. WIDESPREAD TEMPERATURES OF MINUS 10 ARE
FORECAST...WITH EVEN COLDER TEMPERATURES POSSIBLE DEPENDING ON HOW
QUICKLY CLOUDS CLEAR OUT. WINDS SHOULD ALSO BE DIMINISHING THURSDAY
NIGHT WITH HIGH PRESSURE MOVING OVERHEAD. SOME LOCATIONS SHOULD
REACH WIND CHILL WARNING CRITERIA...BUT HAVE HELD OFF ON UPGRADING
FROM ADVISORY TO WARNING AT THIS TIME TO AVOID A DOUBLE WIND CHILL
HEADLINE. TEMPERATURES SHOULD MARGINALLY WARM UP ON FRIDAY...BUT
WILL STILL BE IN THE SINGLE DIGITS. NEXT SYSTEM BEGINS TO MOVE INTO
THE REGION FRIDAY NIGHT INTO SATURDAY. AFTER ANOTHER NIGHT OF SINGLE
DIGIT TEMPERATURES FRIDAY NIGHT...THE WARMEST TEMPERATURES IN THE
LAST WEEK SHOULD ARRIVE...BRINGING HIGHS CLOSE TO OR OVER THE
FREEZING MARK. THIS MEANS THAT ANY PRECIPITATION SATURDAY WILL START
AS SNOW...BUT MAY TRANSITION TO A FEW HOURS OF FREEZING RAIN BEFORE
CHANGING OVER TO RAIN CONSIDERING JUST HOW COLD SURFACE TEMPERATURES
HAVE BEEN. WILL HIGHLIGHT THIS POTENTIAL IN THE HAZARDOUS WEATHER
OUTLOOK.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS LOW PRESSURE TRACKS NORTHEAST...MUCH OF THE FORECAST AREA WILL BE
IN THE WARM SECTOR SATURDAY NIGHT INTO SUNDAY BEFORE THE COLD FRONT
MOVES THROUGH SUNDAY AFTERNOON. THIS WILL RESULT IN ADDITIONAL
CHALLENGES DETERMINING PRECIPITATION TYPE AS THE SYSTEM MOVES
THROUGH BY SUNDAY NIGHT. HIGH PRESSURE SHOULD ALLOW FOR A BRIEF
PERIOD OF DRY WEATHER BEFORE MORE PRECIPITATION MOVES IN FOR TUESDAY
AND WEDNESDAY. AFTER SUNDAYS COLD FRONT...TEMPERATURES WILL FALL
WELL BELOW NORMAL ONCE AGAIN...WITH HIGHS IN THE 20S.

&&

.AVIATION /00Z THURSDAY THROUGH MONDAY/...
SNOW SHOWERS QUICKLY DIMINISHING ACROSS THE FORECAST AREA...SAVE FOR
NEAR FKL/DUJ WHERE DEEPER MOISTURE STILL EXISTS. EXPECTING SHOWERS
TO CONTINUE TO DISSIPATE THROUGH MIDNIGHT. WINDS WILL STAY STRONG
AND FROM THE NORTHWEST...BUT WILL LOSE THE GUSTY NATURE.

AFTER MIDNIGHT...ADDITIONAL LIGHT SNOW SHOWERS MAY COME BACK IN FROM
THE WEST...AND MAINLY IMPACT THE FAR NORTHERN AND FAR SOUTHERN
TERMINALS. STILL...WITH MOISTURE ERODING AND SUPPORT FOR SNOW SHOWER
DEVELOPMENT WANING...WOULDNT EXPECT ANY MAJOR IMPACTS. HAVE INCLUDED
MVFR CIGS/VIS WITH SHSN MENTION...BUT CONFIDENCE IS NOT ALL THAT
HIGH.

THURSDAY THE GUSTY WINDS RETURN IN A VERY COLD AIRMASS. ANY MOISTURE
BROUGHT IN ACROSS OUR SOUTH MAY GET SQUEEZED OUT TO PRODUCE
ADDITIONAL LIGHT SNOW SHOWERS. IMPACTS SHOULD NOT BE GREAT.
TAX

OUTLOOK.../THURSDAY THROUGH MONDAY/...
HIGH PRESSURE WILL RETURN VFR FRIDAY. RESTRICTIONS POSSIBLE SATURDAY
AND SUNDAY WITH APPROACH OF LOW PRESSURE.

&&

.CLIMATE...
PITTSBURGH RECORD LOW TEMPERATURE FOR THU FEB 19 ... -8 IN 1936.
PITTSBURGH RECORD COLDEST HIGH TEMPERATURE FOR THU FEB 19 ... 9 IN
1936.
PITTSBURGH RECORD LOW TEMPERATURE FOR FRI FEB 20 ... MINUS 2 MOST
RECENTLY SET IN 1936.
PITTSBURGH RECORD COLDEST HIGH TEMPERATURE FOR FRI FEB 20 ... 9 IN
1896.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...WIND CHILL ADVISORY FROM 1 AM THURSDAY TO NOON EST FRIDAY FOR
     MDZ001.
     WINTER WEATHER ADVISORY UNTIL 7 AM EST THURSDAY FOR MDZ001.
OH...WIND CHILL ADVISORY FROM 1 AM THURSDAY TO NOON EST FRIDAY FOR
     OHZ039>041-048>050-057>059-068-069.
PA...WIND CHILL ADVISORY FROM 1 AM THURSDAY TO NOON EST FRIDAY FOR
     PAZ007>009-013>016-020>023-029-031-073>076.
     WINTER WEATHER ADVISORY UNTIL 7 AM EST THURSDAY FOR PAZ074-076.
WV...WIND CHILL ADVISORY FROM 1 AM THURSDAY TO NOON EST FRIDAY FOR
     WVZ001>004-012-021>023-041.
     WINTER WEATHER ADVISORY UNTIL 7 AM EST THURSDAY FOR WVZ023-041.

&&
Hazardous weather outlook, Feb 18, 3:40 PM EST, 6 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
340 PM EST WED FEB 18 2015

OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-029-
031-073-075-WVZ001>004-012-021-022-191200-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-FOREST-
LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-ARMSTRONG-
INDIANA-WASHINGTON-GREENE-WESTMORELAND-FAYETTE-HANCOCK-BROOKE-OHIO-
MARSHALL-WETZEL-MARION-MONONGALIA-
340 PM EST WED FEB 18 2015

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM THURSDAY TO NOON EST
FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHWEST
PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL
PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF
WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND CHILL ADVISORY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND CHILL ADVISORY.

IN ADDITION...A WINTRY MIX INCLUDING FREEZING RAIN IS POSSIBLE
SATURDAY INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MDZ001-PAZ074-076-WVZ023-041-191200-
GARRETT-WESTMORELAND RIDGES-FAYETTE RIDGES-PRESTON-TUCKER-
340 PM EST WED FEB 18 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST THURSDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM THURSDAY TO NOON EST
FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...SOUTHWEST
PENNSYLVANIA AND NORTHERN WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.
   WIND CHILL ADVISORY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.
   WIND CHILL ADVISORY.

IN ADDITION...A WINTRY MIX INCLUDING FREEZING RAIN IS POSSIBLE
SATURDAY INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Feb 18, 5:06 PM EST, 4 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
506 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0445 PM     SNOW             1 SSE WEXFORD           40.62N  80.04W
02/18/2015  M2.8 INCH        ALLEGHENY          PA   SOCIAL MEDIA

            LOCATED IN MCANDLESS TOWNSHIP

&&

EVENT NUMBER PBZ1501059

TAX
Local storm report, Feb 18, 5:08 PM EST, 4 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
508 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0507 PM     SNOW             BEAVER                  40.69N  80.31W
02/18/2015  E2.0 INCH        BEAVER             PA   SOCIAL MEDIA

&&

EVENT NUMBER PBZ1501060

TAX
Local storm report, Feb 18, 5:25 PM EST, 4 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
525 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0520 PM     SNOW             MOON TOWNSHIP           40.53N  80.22W
02/18/2015  M2.5 INCH        ALLEGHENY          PA   NWS OFFICE

&&

EVENT NUMBER PBZ1501062

TAX
Local storm report, Feb 18, 5:29 PM EST, 4 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
529 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0529 PM     SNOW             PENN HILLS              40.48N  79.83W
02/18/2015  E2.1 INCH        ALLEGHENY          PA   SOCIAL MEDIA

&&

EVENT NUMBER PBZ1501063

TAX
Local storm report, Feb 18, 6:16 PM EST, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
616 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0415 PM     SNOW             IRWIN                   40.33N  79.70W
02/18/2015  M1.4 INCH        WESTMORELAND       PA   SOCIAL MEDIA

&&

EVENT NUMBER PBZ1501064

TAX
Local storm report, Feb 18, 9:06 PM EST, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
906 PM EST WED FEB 18 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     SNOW             OAKLAND                 39.41N  79.41W
02/18/2015  M3.5 INCH        GARRETT            MD   TRAINED SPOTTER

            SNOW HAS ENDED

&&

EVENT NUMBER PBZ1501065

TAX

Nearby

Wind Chill Warnings in Pennsylvania, 2015Wind Chill Warnings in Ohio, 2015Wind Chill Warnings in West Virginia, 2015Every wind chill warning 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.