Alert archive / Pennsylvania / Winter Storm Warnings in 2022

Winter Storm Warning 5, NWS Philadelphia/Mount Holly

March 11, 20228 counties in Pennsylvania; Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this winter storm warning at Mar 11, 2022, 3:57 AM EST for 8 counties in Pennsylvania; Sussex County, Warren County, New Jersey. It took effect at Mar 12, 2022, 6:00 AM EST. It was in force for 12 hr. 60 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 11, 2022, 3:57 AM EST (08:57 UTC)
In effect from
Mar 12, 2022, 6:00 AM EST
Expired
Mar 12, 2022, 6:06 PM EST
In force
12 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 09:01 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 12, 9:45 AM ESTSNOW 0.6Highland Lakes, NJ
Mar 12, 9:50 AM ESTSNOW 3Pocono Pines, PA
Mar 12, 9:52 AM ESTSNOW 3.9Albrightsville, PA
Mar 12, 9:58 AM ESTSNOW 2.2Nazareth, PA
Mar 12, 10:00 AM ESTSNOW 2.3New Hanover Twp, PA
Mar 12, 10:10 AM ESTSNOW 3Bangor, PA
Mar 12, 10:11 AM ESTSNOW 3Arlington Heights, PA
Mar 12, 10:28 AM ESTSNOW 3West Lawn, PA
Mar 12, 10:30 AM ESTSNOW 4Hudsondale, PA
Mar 12, 10:34 AM ESTSNOW 3Tobyhanna, PA
Mar 12, 10:39 AM ESTSNOW 3.5Wescosville 0.3 Se, PA
Mar 12, 10:40 AM ESTSNOW 4.5Breinigsville, PA
Mar 12, 10:41 AM ESTSNOW 5.5Pocono Pines, PA
Mar 12, 10:42 AM ESTSNOW 4Whitehall Twp, PA
Mar 12, 10:46 AM ESTSNOW 3.7Macungie, PA
Mar 12, 10:49 AM ESTSNOW 3Spring Twp, PA
Mar 12, 10:49 AM ESTSNOW 4.1Nazareth, PA
Mar 12, 10:50 AM ESTSNOW 3.2Trooper, PA
Mar 12, 10:53 AM ESTSNOW 3.7Schnecksville, PA
Mar 12, 11:00 AM ESTSNOW 2.5Andover, NJ
Mar 12, 11:00 AM ESTSNOW 2.9Pocono Summit, PA
Mar 12, 11:01 AM ESTSNOW 2.1Highland Lakes, NJ
Mar 12, 11:10 AM ESTSNOW 3.4New Hanover Twp, PA
Mar 12, 11:11 AM ESTSNOW 3Stewartsville, NJ
Mar 12, 11:13 AM ESTSNOW 2.2Wantage Twp, NJ
Mar 12, 11:17 AM ESTSNOW 3Mertztown, PA
Mar 12, 11:18 AM ESTSNOW 2.3Martins Creek, PA
Mar 12, 11:19 AM ESTSNOW 4.5Forks Twp, PA
Mar 12, 11:29 AM ESTSNOW 2.2Norristown, PA
Mar 12, 11:34 AM ESTSNOW 2.7Blairstown, NJ
Mar 12, 11:43 AM ESTSNOW 4.3Tobyhanna, PA
Mar 12, 11:47 AM ESTSNOW 4.5Hellertown, PA
Mar 12, 12:00 PM ESTSNOW 2East Coventry Twp, PA
Mar 12, 12:01 PM ESTSNOW 3.8Highland Lakes, NJ
Mar 12, 12:03 PM ESTSNOW 4.7Center Valley, PA
Mar 12, 12:14 PM ESTSNOW 4.4Pocono Pines, PA
Mar 12, 12:16 PM ESTSNOW 3.14 Wsw Wantage Twp, NJ
Mar 12, 12:18 PM ESTSNOW 3.2Blandon, PA
Mar 12, 12:19 PM ESTHEAVY SNOW 5.8Williams Twp, PAAPPROXIMATELY 1000 FT ELEVATION.
Mar 12, 12:21 PM ESTSNOW 4.1Kunkletown, PA
Mar 12, 12:22 PM ESTSNOW 5Nazareth, PA
Mar 12, 12:23 PM ESTSNOW 2.5East Pikeland, PA
Mar 12, 12:24 PM ESTSNOW 4.7Breinigsville, PA
Mar 12, 12:25 PM ESTSNOW 3.5Lower Towamensing Twp, PA
Mar 12, 12:25 PM ESTSNOW 4.6Macungie, PA
Mar 12, 12:26 PM ESTSNOW 3West Caln Twp, PA
Mar 12, 12:27 PM ESTSNOW 3.1Wantage Twp, NJ
Mar 12, 12:28 PM ESTSNOW 3.7Bushkill Twp, PA
Mar 12, 12:30 PM ESTSNOW 3.8Emmaus, PA
Mar 12, 12:30 PM ESTSNOW 4Germansville, PA
Mar 12, 12:33 PM ESTSNOW 3.5New Hanover Twp, PA
Mar 12, 12:33 PM ESTSNOW 4.5Tobyhanna, PA
Mar 12, 12:47 PM ESTSNOW 3.5Hellertown, PA
Mar 12, 12:47 PM ESTSNOW 3.5Spring Twp, PA
Mar 12, 12:48 PM ESTSNOW 3.9Stewartsville, NJ
Mar 12, 12:49 PM ESTSNOW 3.2Blairstown, NJ
Mar 12, 12:50 PM ESTSNOW 4.4Lehigh Valley Internati, PA
Mar 12, 12:56 PM ESTSNOW 2.5Martins Creek, PA
Mar 12, 12:58 PM ESTSNOW 2.5Franklin, NJ
Mar 12, 1:00 PM ESTSNOW 41 Ne Smithfield Twp, PANEAR MARSHALLS CREEK.

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 9.0 hours before the alert went out and 254 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, Washington/Dulle, VA at 00:00Z on 2022-03-11Temperature 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, Washington/Dulle, VA at 00:00Z on 2022-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1571 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

668 
WWUS41 KPHI 110857
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
357 AM EST Fri Mar 11 2022

PAZ054-055-112200-
/O.UPG.KPHI.WS.A.0006.220312T1100Z-220313T0000Z/
/O.NEW.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
357 AM EST Fri Mar 11 2022

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 7 PM EST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 7
  inches. Winds gusting as high as 40 mph.

* WHERE...Carbon and Monroe.

* WHEN...From Saturday morning through Saturday evening.

* IMPACTS...Travel could be very difficult. Consider canceling
  unnecessary travel. 

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-PAZ060>062-112200-
/O.NEW.KPHI.WS.A.0007.220312T1100Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, and Easton
357 AM EST Fri Mar 11 2022

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 6 
  inches possible. Winds could gust as high as 35 mph.

* WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, 
  Berks, Lehigh and Northampton.

* WHEN...From Saturday morning through Saturday evening.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
6 follow-up statements
095 
WWUS41 KPHI 112019
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
319 PM EST Fri Mar 11 2022

NJZ001-007-PAZ060>062-121100-
/O.UPG.KPHI.WS.A.0007.220312T1100Z-220313T0000Z/
/O.EXA.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, and Easton
319 PM EST Fri Mar 11 2022

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 7 PM EST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 6 
  inches. Winds gusting as high as 45 mph.

* WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, 
  Berks, Lehigh and Northampton.

* WHEN...From 6 AM to 7 PM EST Saturday.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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.

&&

$$

PAZ054-055-121100-
/O.CON.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
319 PM EST Fri Mar 11 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 8 
  inches. Winds gusting as high as 45 mph.

* WHERE...Carbon and Monroe.

* WHEN...From 6 AM to 7 PM EST Saturday.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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.

&&

$$

DEZ001-NJZ008>010-012-015-PAZ070-071-101>106-121100-
/O.NEW.KPHI.WW.Y.0014.220312T1100Z-220313T0000Z/
New Castle-Morris-Hunterdon-Somerset-Middlesex-Mercer-Delaware-
Philadelphia-Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, 
Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville,
and Doylestown
319 PM EST Fri Mar 11 2022

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 7 PM EST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches. Winds gusting as high as 45 mph.

* WHERE...Portions of northern New Jersey, southeast Pennsylvania
  and northern Delaware.

* WHEN...From 6 AM to 7 PM EST Saturday.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

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
396 
WWUS41 KPHI 120822
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
322 AM EST Sat Mar 12 2022

PAZ101-103-105-122130-
/O.UPG.KPHI.WW.Y.0014.220312T1100Z-220313T0000Z/
/O.EXA.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Western Chester-Western Montgomery-Upper Bucks-
Including the cities of Honey Brook, Oxford, Collegeville, 
Pottstown, Chalfont, and Perkasie
322 AM EST Sat Mar 12 2022

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 7 PM
EST THIS EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 6 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Chester, Western Montgomery and Upper Bucks.

* WHEN...From 6 AM this morning to 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A period of blizzard-like conditions is
  likely late this morning and early this afternoon due to
  increasing winds combined with heavy snow.

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.

&&

$$

PAZ054-055-122130-
/O.CON.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
322 AM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 7 PM EST THIS EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...Carbon and Monroe.

* WHEN...From 6 AM this morning to 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A period of blizzard-like conditions is
  likely late this morning and early this afternoon due to
  increasing winds combined with heavy snow.

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-PAZ060>062-122130-
/O.CON.KPHI.WS.W.0005.220312T1100Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, and Easton
322 AM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 7 PM EST THIS EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 
  inches. Winds gusting as high as 50 mph.

* WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, 
  Northampton, Lehigh and Berks.

* WHEN...From 6 AM this morning to 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A period of blizzard-like conditions is
  likely late this morning and early this afternoon due to
  increasing winds combined with heavy snow.

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.

&&

$$

MDZ012-NJZ016>019-122130-
/O.EXB.KPHI.WW.Y.0014.220312T1500Z-220313T0000Z/
Kent MD-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Chestertown, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, and Mount Holly
322 AM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
7 PM EST THIS EVENING...

* WHAT...Snow expected. Total snow accumulations of up to two 
  inches. Winds gusting as high as 45 mph.

* WHERE...In New Jersey, Salem, Gloucester, Camden and 
  Northwestern Burlington. In Maryland, Kent MD.

* WHEN...From 10 AM this morning to 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...In addition to light snow accumulations, a
  flash freeze is possible this afternoon, with wet surfaces
  rapidly becoming icy due to falling temperatures.

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.

&&

$$

DEZ001-NJZ008>010-012-015-PAZ070-071-102-104-106-122130-
/O.EXT.KPHI.WW.Y.0014.220312T1300Z-220313T0000Z/
New Castle-Morris-Hunterdon-Somerset-Middlesex-Mercer-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
West Chester, Kennett Square, Norristown, Lansdale, Morrisville, 
and Doylestown
322 AM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING
TO 7 PM EST THIS EVENING...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches.
  Winds gusting as high as 45 mph.

* WHERE...Portions of central, northern and northwest New 
  Jersey, southeast Pennsylvania and northern Delaware.

* WHEN...From 8 AM this morning to 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...Briefly blizzard-like conditions are
  possible late this morning and early this afternoon. In addition
  to snow accumulations, a flash freeze is possible, with wet 
  surfaces rapidly becoming icy due to falling temperatures.

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.

&&

$$

JEO
164 
WWUS41 KPHI 121431
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
931 AM EST Sat Mar 12 2022

PAZ054-055-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
931 AM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Heavy snow. Total snow accumulations of 4 to 6 inches. 
  Winds gusting as high as 50 mph.

* WHERE...Carbon and Monroe.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A period of blizzard-like conditions is 
  likely late this morning and early this afternoon due to 
  increasing winds combined with heavy snow.

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-PAZ060>062-101-103-105-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-Western Chester-
Western Montgomery-Upper Bucks-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, 
Chalfont, and Perkasie
931 AM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Heavy snow. Total snow accumulations of 3 to 5 inches. 
  Winds gusting as high as 50 mph.

* WHERE...Portions of northern New Jersey and east central and 
  southeast Pennsylvania.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A period of blizzard-like conditions is 
  likely late this morning and early this afternoon due to 
  increasing winds combined with heavy snow.

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.

&&

$$

DEZ001-NJZ008>010-012-015-PAZ070-071-102-104-106-130000-
/O.CON.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
New Castle-Morris-Hunterdon-Somerset-Middlesex-Mercer-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
West Chester, Kennett Square, Norristown, Lansdale, Morrisville, 
and Doylestown
931 AM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Total snow accumulations of 2 to 4 inches. Winds 
  gusting as high as 50 mph.

* WHERE...Portions of central, northern and northwest New 
  Jersey, southeast Pennsylvania and northern Delaware.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A brief period of blizzard-like conditions
  are possible late this morning and early this afternoon. In 
  addition to snow accumulations, a flash freeze is possible, with
  wet surfaces rapidly becoming icy due to falling temperatures.

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.

&&

$$

MDZ012-NJZ016>019-130000-
/O.CON.KPHI.WW.Y.0014.220312T1500Z-220313T0000Z/
Kent MD-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Chestertown, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, and Mount Holly
931 AM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow expected. Total snow accumulations of up to two 
  inches. Winds gusting as high as 45 mph.

* WHERE...In New Jersey, Gloucester, Salem, Northwestern 
  Burlington and Camden. In Maryland, Kent MD.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...In addition to light snow accumulations, 
  a flash freeze is possible this afternoon, with wet surfaces 
  rapidly becoming icy due to falling temperatures.

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
716 
WWUS41 KPHI 121748
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1248 PM EST Sat Mar 12 2022

PAZ054-055-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1248 PM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches 
  possible. Winds gusting as high as 55 mph.

* WHERE...Carbon and Monroe.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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-PAZ060>062-101-103-105-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-Western Chester-
Western Montgomery-Upper Bucks-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, 
Chalfont, and Perkasie
1248 PM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of 1 to 2 inches. 
  Winds gusting as high as 50 mph.

* WHERE...Portions of northern New Jersey and east central and 
  southeast Pennsylvania.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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.

&&

$$

DEZ001-NJZ008>010-012-015-PAZ070-071-102-104-106-130000-
/O.CON.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
New Castle-Morris-Hunterdon-Somerset-Middlesex-Mercer-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
West Chester, Kennett Square, Norristown, Lansdale, Morrisville, 
and Doylestown
1248 PM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Additional light snow accumulations possible. 
  Winds gusting as high as 50 mph.

* WHERE...Portions of northern and central New Jersey, southeast 
  Pennsylvania and northern Delaware.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A flash freeze is possible this afternoon
  and evening as wet surfaces rapidly become icy due to falling 
  temperatures.

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.

&&

$$

MDZ012-NJZ016>019-130000-
/O.CON.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
Kent MD-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Chestertown, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, and Mount Holly
1248 PM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Light snow accumulations possible. Winds gusting 
  as high as 45 mph.

* WHERE...In New Jersey, Gloucester, Salem, Northwestern 
  Burlington and Camden. In Maryland, Kent MD.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A flash freeze is possible this afternoon
  and evening, as wet surfaces rapidly become icy due to falling 
  temperatures.

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
342 
WWUS41 KPHI 122016
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 PM EST Sat Mar 12 2022

PAZ054-055-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
316 PM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Heavy snow. Additional snow accumulations of up to one 
  inch. Winds gusting as high as 50 mph.

* WHERE...Carbon and Monroe.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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-PAZ060>062-101-103-105-130000-
/O.CON.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Sussex-Warren-Berks-Lehigh-Northampton-Western Chester-
Western Montgomery-Upper Bucks-
Including the cities of Newton, Washington, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, 
Chalfont, and Perkasie
316 PM EST Sat Mar 12 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Heavy snow. Additional snow accumulations of up to one 
  inch. Winds gusting as high as 45 mph.

* WHERE...Portions of northern New Jersey and east central and 
  southeast Pennsylvania.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

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.

&&

$$

DEZ001-NJZ008>010-012-015-PAZ070-071-102-104-106-130000-
/O.CON.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
New Castle-Morris-Hunterdon-Somerset-Middlesex-Mercer-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
West Chester, Kennett Square, Norristown, Lansdale, Morrisville, 
and Doylestown
316 PM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of up to one inch. 
  Winds gusting as high as 45 mph.

* WHERE...Portions of central, northern and northwest New 
  Jersey, southeast Pennsylvania and northern Delaware.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Gusty winds could 
  bring down tree branches.

* ADDITIONAL DETAILS...A freeze of standing water on untreated 
  surfaces is likely this evening as wet surfaces rapidly become 
  icy due to falling temperatures.

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.

&&

$$

MDZ012-NJZ016>019-130000-
/O.CON.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
Kent MD-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Chestertown, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, and Mount Holly
316 PM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of up to one inch. 
  Winds gusting as high as 45 mph.

* WHERE...In New Jersey, Gloucester, Salem, Northwestern 
  Burlington and Camden. In Maryland, Kent MD.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...A freeze of standing water on untreated 
  surfaces is likely this evening as wet surfaces rapidly become 
  icy due to falling temperatures.

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
424 
WWUS41 KPHI 122306
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
606 PM EST Sat Mar 12 2022

NJZ001-007-PAZ054-055-060>062-101-103-105-130015-
/O.CAN.KPHI.WS.W.0005.000000T0000Z-220313T0000Z/
Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton-
Western Chester-Western Montgomery-Upper Bucks-
Including the cities of Newton, Washington, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, 
Oxford, Collegeville, Pottstown, Chalfont, and Perkasie
606 PM EST Sat Mar 12 2022

...WINTER STORM WARNING IS CANCELLED...

The snow has ended in our region. As a result, the Winter Storm 
Warning has been cancelled.

A Wind Advisory remains in effect until 1:00 AM. Also, blowing 
snow will continue to reduce the visibility at times overnight.

$$

DEZ001-MDZ012-NJZ008>010-012-015>019-PAZ070-071-102-104-106-
130015-
/O.CAN.KPHI.WW.Y.0014.000000T0000Z-220313T0000Z/
New Castle-Kent MD-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Salem-Gloucester-Camden-Northwestern Burlington-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Chestertown, Morristown, 
Flemington, Somerville, New Brunswick, Trenton, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, West Chester, Kennett Square, Norristown, Lansdale,
Morrisville, and Doylestown
606 PM EST Sat Mar 12 2022

...WINTER WEATHER ADVISORY IS CANCELLED...

The snow has ended in our region. As a result, the Winter Weather
Advisory has been cancelled.

A Wind Advisory remains in effect until 1:00 AM.

Icy conditions are possible overnight on untreated roads and 
walkways.

$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 3:57 AM ESTWinter Storm WatchPHIBerks, Lehigh, Northampton11 hr
Mar 11, 3:19 PM ESTWind AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more34 hr
Mar 11, 3:19 PM ESTWinter Weather AdvisoryPHIBucks, Chester, Delaware, Montgomery, Philadelphia27 hr
Mar 11, 3:39 AM ESTGale WarningPHI53 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2022Winter Storm Warnings in New Jersey, 2022Every winter storm warning in 2022

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.