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Powerful Storm in the Western U.S.; Heavy Rain and Flooding Threat Across the Central Gulf Coast

A powerful storm system will continue to bring heavy mountain snow, rain, and high winds to the Pacific Northwest and northern California through midweek. Heavy rain and flash flooding potential exists across the central Gulf Coast over the next few days, including the Florida Panhandle. A Slight Risk (level 2 of 4) of excessive rainfall is in effect Tuesday. Read More >

Overview

On November 30th through December 2, 2020, bands of lake-effect snow moving off Lake Huron and Lake Erie impacted northwestern Pennsylvania, bringing accumulations of up to 14 inches of snow to the region.

Maps

Photo Photo Photo Photo
NOHRSC 24-h Snowfall (inches) Ending 12 UTC 20201202 Early Morning Nov. 2 500-mb Analysis Morning Nov. 2 850-mb Analysis NWS Forecast vs. Observed Snowfall

 


Photos

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November 30th Current Watches, Warnings, & Advisories December 1st Current Watches, Warnings, & Advisories NWS Twitter Post NWS Twitter Post

Photo Photo
NWS Twitter Post NWS Snowfall and Winter Storm Intensity Forecast

Radar

Radar Image Radar Image
30 Nov 2020 Visible Satellite 06Z Nov. 2 Mid-level Water Vapor

Storm Reports

 

581 

NOUS41 KCTP 021436

PNSCTP

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-056>059-

063>066-030236-

 

Public Information Statement

National Weather Service State College PA

936 AM EST Wed Dec 2 2020

 

...48-HOUR STORM TOTAL SNOWFALL REPORTS...

 

Location                     Amount    Time/Date       Provider             

 

...Pennsylvania...

 

...Adams County...

York Springs 0.7 SE          0.1 in    0700 AM 12/02   COCORAHS             

 

...Bedford County...

Wolfsburg                    0.4 in    0700 AM 12/02   COOP                 

Rainsburg 5.0 NNW            0.2 in    0500 AM 12/02   COCORAHS             

Everett 3.4 SW               0.1 in    0700 AM 12/02   COCORAHS             

 

...Cambria County...

Westmont                     8.0 in    0809 PM 12/01   Public               

3 SSE Vintondale             7.5 in    0508 PM 12/01   Public               

Vinco                        5.5 in    0607 PM 12/01   Trained Spotter      

 

...Cameron County...

Emporium 2.6 S               3.6 in    0630 AM 12/02   COCORAHS             

 

...Centre County...

Philipsburg                  1.8 in    0700 AM 12/02   COOP                 

Port Matilda 2.2 ESE         1.1 in    0700 AM 12/02   COCORAHS             

State College 2.4 WNW        0.7 in    0700 AM 12/02   COCORAHS             

Boalsburg 1.2 ENE            0.7 in    0700 AM 12/02   COCORAHS             

State College                0.6 in    0700 AM 12/02   COOP                 

Pleasant Gap 0.7 NW          0.5 in    0700 AM 12/02   COCORAHS             

 

...Clearfield County...

Grampian                     3.3 in    0900 AM 12/02   COOP                 

Dubois 2 S                   1.2 in    0740 AM 12/02   COOP                 

 

...Clinton County...

Lock Haven                   0.4 in    0700 AM 12/02   COOP                 

 

...Columbia County...

2 ENE Bloomsburg             1.1 in    0840 AM 12/02   Public               

Espy 0.8 S                   1.1 in    0745 AM 12/02   COCORAHS             

 

...Dauphin County...

0.7 N Dehart Dam             0.1 in    0700 AM 12/02   COOP                 

 

...Huntingdon County...

Wood 0.1 S                   1.0 in    1000 PM 12/01   COCORAHS             

 

...Lycoming County...

Jersey Shore 0.9 S           0.1 in    0700 AM 12/02   COCORAHS             

 

...McKean County...

Bradford 5SW                 5.0 in    0800 AM 12/02   COOP                 

Cyclone                      4.5 in    1117 PM 12/01   Dept of Highways     

 

...Northumberland County...

Muncy 4.7 SSE                0.7 in    0700 AM 12/02   COCORAHS             

0.6 SW Sunbury               0.2 in    0700 AM 12/02   COOP                 

 

...Potter County...

Roulette 1.8 NNE             4.3 in    0700 AM 12/02   COCORAHS             

Coudersport 7SE              3.3 in    0700 AM 12/02   COOP                 

0.6 E Galeton                2.5 in    0800 AM 12/02   COOP                 

1.4 W Coudersport            2.1 in    0700 AM 12/02   COOP                 

 

...Schuylkill County...

Valley View 0.5 W            0.2 in    0600 AM 12/02   COCORAHS             

 

...Somerset County...

Hidden Valley 0.3 ENE        13.5 in   0500 AM 12/02   COCORAHS             

Laurel Summit                13.3 in   0700 AM 12/02   COOP                 

Hidden Valley                12.2 in   0800 AM 12/02   COOP                 

Somerset                     9.4 in    0800 AM 12/02   COOP                 

Windber 7SE                  8.3 in    0700 AM 12/02   COOP                 

 

...Sullivan County...

Laporte                      1.7 in    0537 AM 12/02   COOP                 

 

...Tioga County...

Covington 2 WSW              2.0 in    0700 AM 12/02   COOP                 

Tioga                        0.4 in    0700 AM 12/02   COOP                 

 

...Warren County...

Warren                       10.7 in   0700 AM 12/02   COOP                 

1 SSW Columbus               10.5 in   0502 PM 12/01   Trained Spotter      

1 NW Youngsville             5.0 in    0456 PM 12/01   Trained Spotter      

&&

 

**METADATA**

:12/02/2020,0700 AM, PA, Adams, York Springs 0.7 SE, , , 40.0014, -77.1089, SNOW_48, 0.1, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Bedford, Everett 3.4 SW, , , 39.9757, -78.4087, SNOW_48, 0.1, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0500 AM, PA, Bedford, Rainsburg 5.0 NNW, , , 39.9575, -78.5638, SNOW_48, 0.2, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Bedford, Wolfsburg, , , 40.0333, -78.5167, SNOW_48, 0.4, Inch, COOP, 48 hour snowfall,

:12/01/2020,1807 PM, PA, Cambria, Vinco, , , 40.4109936, -78.8450842, SNOW_24, 5.5, Inch, Trained Spotter, 24 hour snowfall,

:12/01/2020,1708 PM, PA, Cambria, 3 SSE Vintondale, , , 40.4449, -78.8864, SNOW_24, 7.5, Inch, Public, 24 hour snowfall,

:12/01/2020,2009 PM, PA, Cambria, Westmont, , , 40.320790000000045, -78.95592999999997, SNOW_24, 8, Inch, Public, 24 hour snowfall,

:12/02/2020,0630 AM, PA, Cameron, Emporium 2.6 S, , , 41.4734, -78.2433, SNOW_24, 3.6, Inch, COCORAHS, 24 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, Pleasant Gap 0.7 NW, , , 40.8727, -77.7466, SNOW_48, 0.5, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, State College, , , 40.7935, -77.8672, SNOW_48, 0.6, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, State College 2.4 WNW, , , 40.8064, -77.8978, SNOW_48, 0.7, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, Boalsburg 1.2 ENE, , , 40.7814, -77.7707, SNOW_48, 0.7, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, Port Matilda 2.2 ESE, , , 40.7912, -78.0118, SNOW_48, 1.1, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Centre, Philipsburg, , , 40.8722, -78.2153, SNOW_48, 1.8, Inch, COOP, 48 hour snowfall,

:12/02/2020,0740 AM, PA, Clearfield, Dubois 2 S, , , 41.0947, -78.7555, SNOW_48, 1.2, Inch, COOP, 48 hour snowfall,

:12/02/2020,0900 AM, PA, Clearfield, Grampian, , , 40.9666, -78.5871, SNOW_48, 3.3, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Clinton, Lock Haven, , , 41.1167, -77.45, SNOW_48, 0.4, Inch, COOP, 48 hour snowfall,

:12/02/2020,0840 AM, PA, Columbia, 2 ENE Bloomsburg, , , 41.0124, -76.426, SNOW_24, 1.1, Inch, Public, 24 hour snowfall,

:12/02/2020,0745 AM, PA, Columbia, Espy 0.8 S, , , 40.9929, -76.415, SNOW_48, 1.1, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Dauphin, 0.7 N Dehart Dam, , , 40.46, -76.7489, SNOW_48, 0.1, Inch, COOP, 48 hour snowfall,

:12/01/2020,2200 PM, PA, Huntingdon, Wood 0.1 S, , , 40.1675, -78.1363, SNOW_24, 1, Inch, COCORAHS, 24 hour snowfall,

:12/02/2020,0700 AM, PA, Lycoming, Jersey Shore 0.9 S, , , 41.1871, -77.2657, SNOW_48, 0.1, Inch, COCORAHS, 48 hour snowfall,

:12/01/2020,2317 PM, PA, McKean, Cyclone, , , 41.82, -78.58, SNOW, 4.5, Inch, Dept of Highways, Storm total snowfall,

:12/02/2020,0800 AM, PA, McKean, Bradford 5SW                                                                  , , , 41.898, -78.7143, SNOW_48, 5, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Northumberland, 0.6 SW Sunbury, , , 40.8544, -76.7925, SNOW_48, 0.2, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Northumberland, Muncy 4.7 SSE, , , 41.1361, -76.7651, SNOW_48, 0.7, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Potter, 1.4 W Coudersport, , , 41.775, -78.0417, SNOW_48, 2.1, Inch, COOP, 48 hour snowfall,

:12/02/2020,0800 AM, PA, Potter, 0.6 E Galeton, , , 41.7333, -77.6333, SNOW_48, 2.5, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Potter, Coudersport 7SE      , , , 41.7392, -77.971, SNOW_48, 3.3, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Potter, Roulette 1.8 NNE, , , 41.8076, -78.1414, SNOW_24, 4.3, Inch, COCORAHS, 24 hour snowfall,

:12/02/2020,0600 AM, PA, Schuylkill, Valley View 0.5 W, , , 40.6437, -76.5485, SNOW_48, 0.2, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Somerset, Windber 7SE, , , 40.1712, -78.6966, SNOW_48, 8.3, Inch, COOP, 48 hour snowfall,

:12/02/2020,0800 AM, PA, Somerset, Somerset, , , 40, -79.0833, SNOW_48, 9.4, Inch, COOP, 48 hour snowfall,

:12/02/2020,0800 AM, PA, Somerset, Hidden Valley, , , 40.042, -79.2566, SNOW_48, 12.2, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Somerset, Laurel Summit, , , 40.1694, -79.1393, SNOW_48, 13.3, Inch, COOP, 48 hour snowfall,

:12/02/2020,0500 AM, PA, Somerset, Hidden Valley 0.3 ENE, , , 40.0584, -79.2616, SNOW_48, 13.5, Inch, COCORAHS, 48 hour snowfall,

:12/02/2020,0537 AM, PA, Sullivan, Laporte, , , 41.4247, -76.4925, SNOW_48, 1.7, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Tioga, Tioga, , , 41.9083, -77.1292, SNOW_48, 0.4, Inch, COOP, 48 hour snowfall,

:12/02/2020,0700 AM, PA, Tioga, Covington 2 WSW              , , , 41.7333, -77.1167, SNOW_48, 2, Inch, COOP, 48 hour snowfall,

:12/01/2020,1656 PM, PA, Warren, 1 NW Youngsville, , , 41.859909, -79.327834, SNOW_24, 5, Inch, Trained Spotter, 24 hour snowfall,

:12/01/2020,1702 PM, PA, Warren, 1 SSW Columbus, , , 41.9400393, -79.5843332, SNOW_24, 10.5, Inch, Trained Spotter, 24 hour snowfall,

:12/02/2020,0700 AM, PA, Warren, Warren, , , 41.8438, -79.15, SNOW_48, 10.7, Inch, COOP, 48 hour snowfall,

 

Observations are collected from a variety of sources with varying

equipment and exposures. We thank all volunteer weather observers 

for their dedication. Not all data listed are considered official.

 

$$


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