Alert archive / Pennsylvania / Wind Chill Warnings in 2019

Wind Chill Warning 1, NWS Philadelphia/Mount Holly

January 20, 2019Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this wind chill warning at Jan 20, 2019, 10:03 AM EST for Carbon County, Monroe County, Pennsylvania. It took effect at Jan 20, 2019, 11:00 PM EST. It was in force for 14 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
Jan 20, 2019, 10:03 AM EST (15:03 UTC)
In effect from
Jan 20, 2019, 11:00 PM EST
Expired
Jan 21, 2019, 1:00 PM EST
In force
14 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 15:05 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, 3.1 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 2019-01-20Temperature 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 2019-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 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
416 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
328 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

688 
WWUS41 KPHI 201503
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1003 AM EST Sun Jan 20 2019


PAZ054-055-210315-
/O.UPG.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
/O.NEW.KPHI.WC.W.0001.190121T0400Z-190121T1800Z/
/O.CON.KPHI.WS.W.0002.000000T0000Z-190120T1800Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1003 AM EST Sun Jan 20 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 11 PM THIS EVENING TO 1 PM
EST MONDAY...

* WHAT...Freezing rain mixed with snow and sleet tapering off
  early this afternoon. Dangerously cold wind chills will follow
  for tonight into Monday. Additional snow and sleet accumulations
  of up to a half inch and additional ice accumulations of a light
  glaze. Wind chills as low as 25 below zero expected overnight
  tonight. 

* WHERE...Carbon and Monroe counties.

* WHEN...For the Winter Storm Warning, until 1 PM EST this 
  afternoon. For the Wind Chill Warning, from 11 PM this evening 
  to 1 PM EST Monday.

* ADDITIONAL DETAILS...Plan on very slippery road conditions to
  impact travel. The cold wind chills could cause frostbite on
  exposed skin in as little as 30 minutes. In addition, strong,
  gusty winds this afternoon into tonight could result in power 
  outages.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning means significant amounts of snow, sleet
and ice will make travel very hazardous or impossible. 

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-210315-
/O.CON.KPHI.WS.W.0002.000000T0000Z-190120T1800Z/
/O.CON.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
Sussex-
Including the city of Newton
1003 AM EST Sun Jan 20 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...

* WHAT...Freezing rain mixed with snow and sleet tapering off
  early this afternoon. Dangerously cold wind chills will follow
  for tonight into Monday. Additional snow and sleet accumulations
  of up to a half inch and additional ice accumulations of a light
  glaze. Wind chills as low as 20 below zero expected tonight into
  Monday. 

* WHERE...Sussex county.

* WHEN...For the Winter Storm Warning, until 1 PM EST this 
  afternoon. For the Wind Chill Advisory, from 11 PM this 
  evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...Plan on very slippery road conditions to
  impact travel. The cold wind chills could cause frostbite on
  exposed skin in as little as 30 minutes. In addition, strong,
  gusty winds this afternoon into tonight could result in power 
  outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning means significant amounts of snow, sleet
and ice will make travel very hazardous or impossible. 

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ007>010-012>027-PAZ060>062-
070-071-101>106-210315-
/O.CON.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Washington, Morristown, Flemington, Somerville, New Brunswick, 
Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, 
Hammonton, Cape May Court House, Ocean City, Atlantic City, 
Long Beach Island, Wharton State Forest, Reading, Allentown, 
Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
1003 AM EST Sun Jan 20 2019

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 20
  below zero expected tonight into Monday morning. 

* WHERE...Portions of central, northern, northwest and southern 
  New Jersey, east central and southeast Pennsylvania, northeast 
  Maryland and central, northern and southern Delaware.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

&&

$$

For more information from the National Weather Service visit
www.weather.gov/phi/winter
4 follow-up statements
402 
WWUS41 KPHI 201727
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1227 PM EST Sun Jan 20 2019


PAZ054-055-210530-
/O.CAN.KPHI.WS.W.0002.000000T0000Z-190120T1800Z/
/O.CON.KPHI.WC.W.0001.190121T0400Z-190121T1800Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1227 PM EST Sun Jan 20 2019

...WIND CHILL WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Dangerously cold wind chills as cold as 25 below zero are
  expected overnight tonight through Monday morning. 

* WHERE...Carbon and Monroe counties.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The very cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes. In
  addition, strong, gusty winds this afternoon into tonight could
  result in power outages, especially for areas that have received
  significant icing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken. 

&&

$$

NJZ001-210530-
/O.CAN.KPHI.WS.W.0002.000000T0000Z-190120T1800Z/
/O.CON.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
Sussex-
Including the city of Newton
1227 PM EST Sun Jan 20 2019

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Dangerously cold wind chills as cold as 20 below zero 
  are expected overnight tonight through Monday morning. 

* WHERE...Sussex county.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The very cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes. In
  addition, strong, gusty winds this afternoon into tonight could
  result in power outages, especially for areas that have received
  significant icing. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ007>010-012>027-PAZ060>062-
070-071-101>106-210530-
/O.CON.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Washington, Morristown, Flemington, Somerville, New Brunswick, 
Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, 
Hammonton, Cape May Court House, Ocean City, Atlantic City, 
Long Beach Island, Wharton State Forest, Reading, Allentown, 
Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
1227 PM EST Sun Jan 20 2019

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 below zero expected tonight into Monday morning.

* WHERE...Portions of central, northern, northwest and southern 
  New Jersey, east central and southeast Pennsylvania, northeast 
  Maryland and central, northern and southern Delaware.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

&&

$$

For more information from the National Weather Service visit
www.weather.gov/phi/winter
052 
WWUS41 KPHI 202034
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
334 PM EST Sun Jan 20 2019


PAZ054-055-210845-
/O.CON.KPHI.WC.W.0001.190121T0400Z-190121T1800Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
334 PM EST Sun Jan 20 2019

...WIND CHILL WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...

* WHAT...Dangerously cold wind chills expected. Wind chills as 
  low as 30 below zero expected.

* WHERE...Carbon and Monroe counties.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The very cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes. In
  addition, strong, gusty winds this afternoon into tonight could
  result in power outages, especially for areas that have received
  significant icing. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken. 

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-
PAZ060>062-070-071-101>106-210845-
/O.CON.KPHI.WC.Y.0001.190121T0400Z-190121T1800Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-
Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Newton, Washington, Morristown, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson,
Millville, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, Wharton State Forest, Reading, 
Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
334 PM EST Sun Jan 20 2019

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST MONDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 below zero expected.

* WHERE...Portions of central, northern, northwest and southern 
  New Jersey, east central and southeast Pennsylvania, northeast 
  Maryland and central, northern and southern Delaware.

* WHEN...From 11 PM this evening to 1 PM EST Monday.

* ADDITIONAL DETAILS...The very cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes. In
  addition, strong, gusty winds this afternoon into tonight could
  result in power outages, especially for areas that have received
  significant icing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

&&

$$

For more information from the National Weather Service visit
www.weather.gov/phi/winter
180 
WWUS41 KPHI 210811
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
311 AM EST Mon Jan 21 2019



PAZ054-055-211800-
/O.CON.KPHI.WC.W.0001.000000T0000Z-190121T1800Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
311 AM EST Mon Jan 21 2019

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Dangerously cold wind chills. Wind chills as low as 30 
  below zero.

* WHERE...Carbon and Monroe counties.

* WHEN...Until 1 PM EST this afternoon.

* ADDITIONAL DETAILS...The cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken. 

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-
PAZ060>062-070-071-101>106-211800-
/O.CON.KPHI.WC.Y.0001.000000T0000Z-190121T1800Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-
Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Newton, Washington, Morristown, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson,
Millville, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, Wharton State Forest, Reading, 
Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
311 AM EST Mon Jan 21 2019

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

* WHAT...Very cold wind chills. Wind chills as low as 20 below 
  zero.

* WHERE...Portions of central, northern, northwest and southern 
  New Jersey, east central and southeast Pennsylvania, northeast 
  Maryland and central, northern and southern Delaware.

* WHEN...Until 1 PM EST this afternoon.

* ADDITIONAL DETAILS...The cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

&&

$$

For more information from the National Weather Service visit
www.weather.gov/phi/winter
038 
WWUS41 KPHI 211756
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1256 PM EST Mon Jan 21 2019


PAZ054-055-220600-
/O.EXP.KPHI.WC.W.0001.000000T0000Z-190121T1800Z/
/O.EXB.KPHI.WC.Y.0001.190121T1800Z-190122T1100Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1256 PM EST Mon Jan 21 2019

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM EST TUESDAY...
...WIND CHILL WARNING WILL EXPIRE AT 1 PM EST THIS AFTERNOON...

* WHAT...Very cold wind chills expected. Wind chills as low as 20 
  below zero expected.

* WHERE...Carbon and Monroe counties.

* WHEN...Until 6 AM EST Tuesday.

* ADDITIONAL DETAILS...The very cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves. 

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-
PAZ060>062-070-071-101>106-211900-
/O.EXP.KPHI.WC.Y.0001.000000T0000Z-190121T1800Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-
Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Newton, Washington, Morristown, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson,
Millville, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, Wharton State Forest, Reading, 
Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
1256 PM EST Mon Jan 21 2019

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

Wind chill values are moderating enough that they no longer meet
advisory criteria. However still expect cold wind chills this
afternoon and tonight with values near or below zero. 

$$

For more information from the National Weather Service visit
www.weather.gov/phi/winter

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 11:52 PM ESTAreal Flood AdvisoryPHIChester, Delaware8 hr
Jan 20, 1:11 AM ESTAreal Flood AdvisoryPHIBucks, Delaware, Montgomery, Philadelphia8 hr
Jan 20, 3:38 AM ESTWind Chill AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more50 hr
Jan 20, 9:49 AM ESTWind AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more30 hr

Nearby

Wind Chill Warnings in Pennsylvania, 2019Every wind chill warning in 2019

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.