Alert archive / Pennsylvania / Winter Storm Warnings in 2023

Winter Storm Warning 2, NWS Philadelphia/Mount Holly

March 10, 2023Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this winter storm warning at Mar 10, 2023, 3:16 AM EST for Monroe County, Pennsylvania. It took effect at Mar 10, 2023, 1:00 PM EST. It was in force for 14 hr. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 10, 2023, 3:16 AM EST (08:16 UTC)
In effect from
Mar 10, 2023, 1:00 PM EST
Expired
Mar 11, 2023, 3:16 AM EST
In force
14 hr
Issued by
NWS Philadelphia/Mount Holly

County Monroe County, PA

The radar

The Binghamton radar (KBGM), 138 km from the middle of the area, began a volume at 08:16 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.

What was reported inside it

TimeReportWhereRemark
Mar 10, 6:54 PM ESTSNOW 2.61 N Mount Pocono, PASTILL SNOWING.
Mar 10, 8:15 PM ESTSNOW 4.5Coolbaugh Twp, PASNOW CONTINUING.
Mar 10, 8:30 PM ESTSNOW 4.9Pocono Pines, PA
Mar 10, 9:30 PM ESTSNOW 41 N Mount Pocono, PA
Mar 10, 9:55 PM ESTSNOW 5.5Pocono Pines, PAUPDATES PREVIOUS REPORT.
Mar 11, 1:00 AM ESTSNOW 4Coolbaugh Twp, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 8.3 hours before the alert went out and 209 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 00:00Z on 2023-03-10Temperature 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 00:00Z on 2023-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
1670 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

556 
WWUS41 KPHI 100816
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 AM EST Fri Mar 10 2023

NJZ009-010-PAZ061-100930-
/O.CAN.KPHI.WW.Y.0008.230310T1800Z-230311T1500Z/
Hunterdon-Somerset-Lehigh-
Including the cities of Flemington, Somerville, and Allentown
316 AM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY IS CANCELLED...

Based on latest forecast trends, snowfall amounts will be less 
than 3 inches. Therefore, the Winter Weather Advisory has been 
cancelled.

$$

PAZ055-102300-
/O.UPG.KPHI.WW.Y.0008.230310T1800Z-230311T1500Z/
/O.NEW.KPHI.WS.W.0002.230310T1800Z-230311T1500Z/
Monroe-
Including the city of Stroudsburg
316 AM EST Fri Mar 10 2023

...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM EST SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 8 
  inches.

* WHERE...Monroe.

* WHEN...From 1 PM this afternoon to 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

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

&&

$$

NJZ001-007-008-PAZ054-102300-
/O.CON.KPHI.WW.Y.0008.230310T1800Z-230311T1500Z/
Sussex-Warren-Morris-Carbon-
Including the cities of Newton, Washington, Morristown, 
and Jim Thorpe
316 AM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...In New Jersey, Sussex, Warren and Morris. In 
  Pennsylvania, Carbon.

* WHEN...From 1 PM this afternoon to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

PAZ062-102300-
/O.CON.KPHI.WW.Y.0008.230310T1800Z-230311T1500Z/
Northampton-
Including the cities of Bethlehem and Easton
316 AM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of up to 3 
  inches.

* WHERE...Northampton.

* WHEN...From 1 PM this afternoon to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

MPS
4 follow-up statements
913 
WWUS41 KPHI 101930
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
230 PM EST Fri Mar 10 2023

PAZ055-111000-
/O.CON.KPHI.WS.W.0002.000000T0000Z-230311T1500Z/
Monroe-
Including the city of Stroudsburg
230 PM EST Fri Mar 10 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Heavy snow. Total snow accumulations of 6 to 8 inches. 
  The higher totals will be at the higher elevations. 

* WHERE...Monroe.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

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

&&

$$

NJZ001-007-008-PAZ054-111000-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Sussex-Warren-Morris-Carbon-
Including the cities of Newton, Washington, Morristown, 
and Jim Thorpe
230 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Total snow accumulations of 3 to 5 inches.

* WHERE...In New Jersey, Sussex, Warren and Morris. In 
  Pennsylvania, Carbon.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

PAZ062-111000-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Northampton-
Including the cities of Bethlehem and Easton
230 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Total snow accumulations of up to 3 inches.

* WHERE...Northampton.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
863 
WWUS41 KPHI 102124
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
424 PM EST Fri Mar 10 2023

PAZ055-111030-
/O.CON.KPHI.WS.W.0002.000000T0000Z-230311T1500Z/
Monroe-
Including the city of Stroudsburg
424 PM EST Fri Mar 10 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Heavy snow. Total snow accumulations of 4 to 8 inches.

* WHERE...Monroe.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact this evenings commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

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

&&

$$

NJZ001-007-008-PAZ054-111030-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Sussex-Warren-Morris-Carbon-
Including the cities of Newton, Washington, Morristown, 
and Jim Thorpe
424 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Total snow accumulations of 2 to 5 inches.

* WHERE...In New Jersey, Sussex, Warren and Morris. In 
  Pennsylvania, Carbon.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

PAZ062-111030-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Northampton-
Including the cities of Bethlehem and Easton
424 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Total snow accumulations of up to 3 inches.

* WHERE...Northampton.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
581 
WWUS41 KPHI 110240
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
940 PM EST Fri Mar 10 2023

PAZ055-111500-
/O.CON.KPHI.WS.W.0002.000000T0000Z-230311T1500Z/
Monroe-
Including the city of Stroudsburg
940 PM EST Fri Mar 10 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 4 
  inches.

* WHERE...Monroe.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...There may be a lull in the snow for a time
  into the overnight hours, then additional snow is expected
  Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

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

&&

$$

NJZ001-007-008-PAZ054-111500-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Sussex-Warren-Morris-Carbon-
Including the cities of Newton, Washington, Morristown, 
and Jim Thorpe
940 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...In New Jersey, Sussex, Warren and Morris. In 
  Pennsylvania, Carbon.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...There may be a lull in the snow for a time
  into the overnight hours, then additional snow is expected
  Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

PAZ062-111500-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Northampton-
Including the cities of Bethlehem and Easton
940 PM EST Fri Mar 10 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow. Additional snow accumulations 1 to 3 inches.

* WHERE...Northampton.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...There may be a lull in the snow for a time
  into the overnight hours, then additional snow is expected
  Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
759 
WWUS41 KPHI 110816
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 AM EST Sat Mar 11 2023

PAZ055-111500-
/O.CAN.KPHI.WS.W.0002.000000T0000Z-230311T1500Z/
/O.EXA.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Monroe-
Including the city of Stroudsburg
316 AM EST Sat Mar 11 2023

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations of two to three 
  inches.

* WHERE...Monroe.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

NJZ007-008-PAZ062-110930-
/O.CAN.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Warren-Morris-Northampton-
Including the cities of Washington, Morristown, Bethlehem, 
and Easton
316 AM EST Sat Mar 11 2023

...WINTER WEATHER ADVISORY IS CANCELLED...

A mix of rain and snow will result in minimal additional snow 
accumulation.

$$

NJZ001-PAZ054-111500-
/O.CON.KPHI.WW.Y.0008.000000T0000Z-230311T1500Z/
Sussex-Carbon-
Including the cities of Newton and Jim Thorpe
316 AM EST Sat Mar 11 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of two to three 
  inches.

* WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

MPS

Nearby

Winter Storm Warnings in Pennsylvania, 2023Every winter storm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.