Alert archive / Pennsylvania / Winter Storm Warnings in 2021

Winter Storm Warning 1, NWS Binghamton, NY

January 3, 20214 counties in Pennsylvania

NWS Binghamton, NY issued this winter storm warning at Jan 3, 2021, 10:03 PM EST for 4 counties in Pennsylvania. It was in force for 4 hr. 7 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
Jan 3, 2021, 10:03 PM EST (03:03 UTC)
Expired
Jan 4, 2021, 2:00 AM EST
In force
4 hr
Issued by
NWS Binghamton, NY

Counties Bradford County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 57 km from the middle of the area, began a volume at 03:02 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
Jan 3, 10:15 PM ESTSNOW 6.5Factoryville, PAELEV 850 FEET.
Jan 3, 10:45 PM ESTSNOW 7.13 Ssw West Burlington, PA
Jan 3, 10:55 PM ESTHEAVY SNOW 6Pocono Springs, PAELEVATION 2080 FEET
Jan 3, 11:00 PM ESTSNOW 14New Albany, PAREPORTED AT NEW ALBANY FIRE HALL. ELEV 1215 FT.
Jan 3, 11:22 PM ESTHEAVY SNOW 11Harford, PA
Jan 4, 12:15 AM ESTHEAVY SNOW 5.2Little Meadows, PA
Jan 4, 12:30 AM ESTHEAVY SNOW 7.1Forest City, PAELEVATION 1620 FEET

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

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 3.1 hours before the alert went out and 204 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, Albany, NY at 00:00Z on 2021-01-04Temperature 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, Albany, NY at 00:00Z on 2021-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
709 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

630 
WWUS41 KBGM 040303
WSWBGM

URGENT - WINTER WEATHER MESSAGE
National Weather Service Binghamton NY
1003 PM EST Sun Jan 3 2021

PAZ038-040500-
/O.UPG.KBGM.WW.Y.0001.000000T0000Z-210104T0400Z/
/O.NEW.KBGM.WS.W.0001.210104T0303Z-210104T0500Z/
Bradford-
Including the cities of Sayre and Towanda
1003 PM EST Sun Jan 3 2021

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Heavy snow. Additional snow accumulations of up 2 to 3
  inches. Storm total snowfall 6 to 8 inches, with higher amounts
  over 10 inches at elevations above 1500 feet. 

* WHERE...Bradford County in Pennsylvania.

* WHEN...Until midnight EST tonight.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The Pennsylvania Department of Transportation and Pennsylvania 
Turnpike Commission strongly encourage motorist to heed all travel
restrictions and delay unnecessary travel. Visit www.511pa.com 
for the latest travel, roadways, and traffic conditions.

&&

$$

PAZ039-040-043-040700-
/O.UPG.KBGM.WW.Y.0001.000000T0000Z-210104T0400Z/
/O.NEW.KBGM.WS.W.0001.210104T0303Z-210104T0700Z/
Susquehanna-Northern Wayne-Wyoming-
Including the cities of Hallstead, Montrose, Damascus, Equinunk, 
and Tunkhannock
1003 PM EST Sun Jan 3 2021

...WINTER STORM WARNING IN EFFECT UNTIL 2 AM EST MONDAY...

* WHAT...Heavy snow. Additional snow accumulations of up 2 to 3
  inches. Storm total snowfall 6 to 8 inches, with higher amounts
  over 10 inches at elevations above 1500 feet. 

* WHERE...Susquehanna, Northern Wayne and Wyoming counties.

* WHEN...Until 2 AM EST Monday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The Pennsylvania Department of Transportation and Pennsylvania 
Turnpike Commission strongly encourage motorist to heed all travel
restrictions and delay unnecessary travel. Visit www.511pa.com 
for the latest travel, roadways, and traffic conditions.

&&

$$

PAZ044-047-040700-
/O.EXT.KBGM.WW.Y.0001.000000T0000Z-210104T0700Z/
Lackawanna-Luzerne-
Including the cities of Scranton, Hazleton, and Wilkes-Barre
1003 PM EST Sun Jan 3 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 AM EST MONDAY...

* WHAT...Wet snow expected. Additional snow accumulations of 1 to
  3 inches expected. The highest snow amounts will be over the 
  higher elevations as snow will mix in with rain at times in the 
  valleys.

* WHERE...Bradford, Susquehanna, Wyoming, Lackawanna and Luzerne 
  counties.

* WHEN...Until 2 AM EST Monday.

* IMPACTS...Plan on slippery road conditions and reduced 
  visibility where higher snowfall rates occur.

* ADDITIONAL DETAILS...Snowfall totals will be highly elevation
  dependent. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The Pennsylvania Department of Transportation and Pennsylvania 
Turnpike Commission remind motorist to adjust speeds based on 
driving conditions as winter weather impacts Pennsylvania 
roadways. Visit www.511pa.com for the latest travel, roadways, and
traffic conditions.

&&

$$

NYZ057-062-PAZ048-072-040700-
/O.EXT.KBGM.WW.Y.0001.000000T0000Z-210104T0700Z/
Delaware-Sullivan-Pike-Southern Wayne-
Including the cities of Delhi, Walton, Monticello, Milford, 
and Honesdale
1003 PM EST Sun Jan 3 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 AM EST MONDAY...

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

* WHERE...In Pennsylvania, Pike, Southern Wayne and Northern 
  Wayne counties. In New York, Sullivan and Delaware counties.

* WHEN...Until 2 AM EST Monday.

* IMPACTS...Plan on slippery road conditions and reduced 
  visibility where higher snowfall rates can occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The Pennsylvania Department of Transportation and Pennsylvania 
Turnpike Commission remind motorist to adjust speeds based on 
driving conditions as winter weather impacts Pennsylvania 
roadways. Visit www.511pa.com for the latest travel, roadways, and
traffic conditions.

&&

$$

MPH
1 follow-up statement
248 
WWUS41 KBGM 040659
WSWBGM

URGENT - WINTER WEATHER MESSAGE
National Weather Service Binghamton NY
159 AM EST Mon Jan 4 2021

PAZ039-040-043-040800-
/O.EXP.KBGM.WS.W.0001.000000T0000Z-210104T0700Z/
Susquehanna-Northern Wayne-Wyoming-
Including the cities of Hallstead, Montrose, Damascus, Equinunk, 
and Tunkhannock
159 AM EST Mon Jan 4 2021

...WINTER STORM WARNING WILL EXPIRE AT 2 AM EST EARLY THIS
MORNING...

Snow is tapering off and moving out at this time. Less than an
inch of snow is expected after 2 AM. 

Plan on slippery road conditions early this morning. Slow down and
use caution if traveling. 

$$

PAZ044-047-040800-
/O.EXP.KBGM.WW.Y.0001.000000T0000Z-210104T0700Z/
Lackawanna-Luzerne-
Including the cities of Scranton, Hazleton, and Wilkes-Barre
159 AM EST Mon Jan 4 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 2 AM EST EARLY THIS
MORNING...

Snow is tapering off and moving out at this time. Less than an
inch of snow is expected after 2 AM. 

Plan on slippery road conditions early this morning. Slow down and
use caution if traveling. 

$$

NYZ057-062-PAZ048-072-040800-
/O.EXP.KBGM.WW.Y.0001.000000T0000Z-210104T0700Z/
Delaware-Sullivan-Pike-Southern Wayne-
Including the cities of Delhi, Walton, Monticello, Milford, 
and Honesdale
159 AM EST Mon Jan 4 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 2 AM EST EARLY THIS
MORNING...

Snow is tapering off and moving out at this time. An inch or less  
of snow is expected after 2 AM. 

Plan on slippery road conditions early this morning. Slow down and
use caution if traveling. 

$$

TAC

The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 3, 9:28 PM ESTSpecial Weather StatementBGMBradford, Susquehanna, Wayne107 min
Jan 4, 12:02 AM ESTSpecial Weather StatementBGMLackawanna, Luzerne, Pike, Wayne, Wyoming118 min

Nearby

Winter Storm Warnings in Pennsylvania, 2021Every winter storm warning in 2021

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.