Alert archive / Pennsylvania / Winter Weather Advisories in 2017

Winter Weather Advisory 13, NWS Philadelphia/Mount Holly

March 23, 2017Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this winter weather advisory at Mar 23, 2017, 3:34 PM EDT for Carbon County, Monroe County, Pennsylvania. It took effect at Mar 24, 2017, 8:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 23, 2017, 3:34 PM EDT (19:34 UTC)
In effect from
Mar 24, 2017, 8:00 AM EDT
Expired
Mar 24, 2017, 1:00 PM EDT
In force
5 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 19:36 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, 7.6 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 2017-03-23Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 2017-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939587897Sfc1 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
1847 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

050 
WWUS41 KPHI 231934
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
334 PM EDT Thu Mar 23 2017


PAZ054-055-240745-
/O.NEW.KPHI.WW.Y.0013.170324T1200Z-170324T1700Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
334 PM EDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 1 PM EDT
FRIDAY...

The National Weather Service in Mount Holly has issued a Winter
Weather Advisory for freezing rain and sleet, which is in effect 
from 8 AM to 1 PM EDT Friday.

* LOCATIONS...The Southern Poconos.

* HAZARD TYPES...Freezing rain and sleet.

* ACCUMULATIONS...Ice accumulation up to a few hundredths of an
  inch. Less than a tenth of an inch of sleet accumulation.

* TIMING...Precipitation is expected to move in shortly after
  sunrise, starting as a mix of freezing rain and sleet. As
  temperatures slowly increase through the morning, precipitation
  should change over to all rain by mid day.

* IMPACTS...Icing may create slippery conditions on roads, 
  bridges, and sidewalks.

* WINDS...South 5 to 10 mph with gusts up to 20 mph.

* TEMPERATURES...Starting in the mid 20s increasing to mid 30s by
  mid day.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow...sleet...or
freezing rain will cause travel difficulties. Be prepared for 
slippery roads and limited visibilities...and use caution while 
driving.

Report Snow and ice accumulation to the National Weather Service
by calling our trained spotter line...posting to the NWS Mount
Holly Facebook page...or using Twitter.

Snowfall and ice accumulation forecast maps in addition to
experimental probabilistic snowfall information for the latest
event are available online at www.weather.gov/phi/winter

&&

$$
4 follow-up statements
230 
WWUS41 KPHI 240129
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
929 PM EDT Thu Mar 23 2017

PAZ054-055-241330-
/O.CON.KPHI.WW.Y.0013.170324T1200Z-170324T1700Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
929 PM EDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM TO 1 PM
EDT FRIDAY...

* LOCATIONS...Southern Poconos.

* HAZARD TYPES...Freezing rain and sleet.

* ACCUMULATIONS...Ice accumulation up to a few hundredths of an
  inch. Little to no sleet accumulation.

* TIMING...A mix of freezing rain and sleet is expected to begin
  between 8 and 10 AM. Precipitation should change over to all
  rain around midday as temperatures slowly increase.

* IMPACTS...A light glaze of icing will create slippery
  conditions, especially on untreated roads, bridges, and
  overpasses.

* TEMPERATURES...Mid 20s, then rising above freezing through
  midday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of sleet and 
freezing rain will cause travel difficulties. Be prepared for 
slippery roads and use caution while driving.

Report Snow and ice accumulation to the National Weather Service
by calling our trained spotter line...posting to the NWS Mount
Holly Facebook page...or using Twitter.

Snowfall and ice accumulation forecast maps in addition to
experimental probabilistic snowfall information for the latest
event are available online at www.weather.gov/phi/winter

&&

$$
JRK/MJG
732 
WWUS41 KPHI 241119
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
719 AM EDT Fri Mar 24 2017


PAZ054-055-241700-
/O.CON.KPHI.WW.Y.0013.170324T1200Z-170324T1700Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
719 AM EDT Fri Mar 24 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* LOCATIONS...Southern Poconos.

* HAZARD TYPES...Freezing rain and sleet.

* ACCUMULATIONS...Snow accumulation of up to 1 inch, along with 
  around a trace of ice.

* TIMING...Precipitation will move in by 10 AM, beginning as a mix
  of freezing rain and sleet. Precipitation should change over to
  all rain around midday as temperatures slowly increase.

* IMPACTS...Ice and snow accumulations may create slippery 
  conditions on roads, bridges and sidewalks. 

* TEMPERATURES...In the lower 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of sleet and
freezing rain will cause travel difficulties. Be prepared for
slippery roads and use caution while driving.

Report Snow and ice accumulation to the National Weather Service
by calling our trained spotter line...posting to the NWS Mount
Holly Facebook page...or using Twitter.

Snowfall and ice accumulation forecast maps in addition to
experimental probabilistic snowfall information for the latest
event are available online at www.weather.gov/phi/winter

&&

$$
905 
WWUS41 KPHI 241308
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
908 AM EDT Fri Mar 24 2017


PAZ054-055-241700-
/O.CON.KPHI.WW.Y.0013.000000T0000Z-170324T1700Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
908 AM EDT Fri Mar 24 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* LOCATIONS...Southern Poconos.

* HAZARD TYPES...Freezing rain.

* ACCUMULATIONS...Up to a few hundredths of an inch of ice
  accumulation.

* TIMING...Freezing rain is possible through the morning. 
  Precipitation should change over to all rain around midday as 
  temperatures slowly increase.

* IMPACTS...Icing may create slippery conditions on roads, 
  bridges and sidewalks.

* TEMPERATURES...In the mid 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of sleet and
freezing rain will cause travel difficulties. Be prepared for
slippery roads and use caution while driving.

Report Snow and ice accumulation to the National Weather Service
by calling our trained spotter line...posting to the NWS Mount
Holly Facebook page...or using Twitter.

Snowfall and ice accumulation forecast maps in addition to
experimental probabilistic snowfall information for the latest
event are available online at www.weather.gov/phi/winter

&&

$$

Johnson
421 
WWUS41 KPHI 241648
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1248 PM EDT Fri Mar 24 2017


PAZ054-055-241800-
/O.EXP.KPHI.WW.Y.0013.000000T0000Z-170324T1700Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1248 PM EDT Fri Mar 24 2017

...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 PM EDT THIS
AFTERNOON...

Precipitation has moved out of the advisory area. Thus, the
advisory will be allowed to expire. However, for locations that
saw freezing rain earlier, icy spots may persist on elevated
surfaces as temperatures in the higher terrain remain just below
freezing.

$$

Johnson

Nearby

Winter Weather Advisories in Pennsylvania, 2017Every winter weather advisory in 2017

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.