National Weather Service United States Department of Commerce

On December 16, 2020 a storm system brought a significant amount of snowfall to Central Pennsylvania and the Northeast States. 

 

A map of the total snowfall:

 

This storm was along the lines of a Miller-B Nor'easter set up where a surface low came across the Ohio River Valley then redeveloped off the coast of the Carolinas. Snow began Wednesday morning quite intensely (snowfall rates of +2"/hour were observed) and continued through the night. The greatest snow fell under a band of heavy snow oriented southwest to northeast through Northeast PA and the Southern Tier of NY. 

 

000
NOUS41 KCTP 172214
PNSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-056>059-
063>066-181014-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
514 PM EST THU DEC 17 2020

...SNOWFALL OBSERVATIONS FROM THE PAST 12 HOURS. SOME OF THESE REPORTS MAY NOT REFLECT THE STORM TOTAL SNOWFALL AMOUNTS...

...SNOWFALL REPORTS...

LOCATION                     AMOUNT    TIME/DATE       LAT/LON              

...PENNSYLVANIA...

...ADAMS COUNTY...
YORK SPRINGS 0.7 SE          11.0 IN   0700 AM 12/17   40.00N/77.11W        
CASHTOWN 1 S                 8.6 IN    0700 AM 12/17   39.87N/77.36W        
BIGLERVILLE                  8.2 IN    0915 AM 12/17   39.93N/77.25W        
ABBOTTSTOWN 2.4 N            8.0 IN    0700 AM 12/17   39.92N/76.99W        
BIGLERVILLE 3.0 WSW          8.0 IN    0700 AM 12/17   39.92N/77.30W        
1 NNW LITTLESTOWN            7.3 IN    0800 AM 12/17   39.76N/77.09W        
GETTYSBURG 2.5 WNW           7.0 IN    0700 AM 12/17   39.85N/77.28W        
HANOVER 3.5 WSW              5.6 IN    0730 AM 12/17   39.79N/77.04W        
2 SW MCSHERRYSTOWN           5.6 IN    0725 AM 12/17   39.79N/77.04W        

...BEDFORD COUNTY...
2 NNE OSTERBURG              13.5 IN   1055 AM 12/17   40.21N/78.52W        
EVERETT 3.9 W                11.0 IN   0700 AM 12/17   40.02N/78.44W        
WOLFSBURG                    8.0 IN    0700 AM 12/17   40.03N/78.52W        
EVERETT 3.4 SW               7.5 IN    0654 AM 12/17   39.98N/78.41W        

...BLAIR COUNTY...
1 SE LAKEMONT                13.0 IN   0530 AM 12/17   40.46N/78.37W        
1 SE DUNCANSVILLE            12.1 IN   1029 AM 12/17   40.42N/78.42W        
2 NE ALTOONA                 12.0 IN   0829 AM 12/17   40.53N/78.37W        
1 SSW TYRONE                 10.7 IN   1104 AM 12/17   40.66N/78.25W        
2 NNE CANOE CREEK STATE PARK 10.5 IN   0900 AM 12/17   40.52N/78.31W        
1 SE ALTOONA                 9.7 IN    0550 AM 12/17   40.50N/78.39W        
WILLIAMSBURG                 8.5 IN    0715 AM 12/17   40.47N/78.20W        

...CAMBRIA COUNTY...
PRINCE GALLITZIN STA PK      13.0 IN   0935 AM 12/17   40.65N/78.55W        
EBENSBURG                    10.5 IN   1029 AM 12/17   40.49N/78.73W        
EBENSBURG                    9.0 IN    0800 AM 12/17   40.47N/78.73W        
JOHNSTOWN                    8.5 IN    0758 AM 12/17   40.33N/78.92W        
1 N ELIM                     8.5 IN    0700 AM 12/17   40.31N/78.94W        
BELMONT 0.1 NE               7.5 IN    0800 AM 12/17   40.28N/78.89W        

...CAMERON COUNTY...
DRIFTWOOD                    31.0 IN   0236 PM 12/17   41.34N/78.14W        
3 ESE DRIFTWOOD              28.5 IN   1000 AM 12/17   41.32N/78.08W        
3 SE DRIFTWOOD               27.5 IN   0237 PM 12/17   41.32N/78.10W        
3 SE STEVENSON DAM           27.0 IN   1015 AM 12/17   41.40N/78.02W        
EMPORIUM                     17.0 IN   0237 PM 12/17   41.51N/78.24W        

...CENTRE COUNTY...
BELLEFONTE 4.3 E             21.5 IN   0800 AM 12/17   40.92N/77.69W        
4 WNW MILESBURG              19.5 IN   0730 AM 12/17   40.96N/77.86W        
STATE COLLEGE 2.4 WNW        19.1 IN   0700 AM 12/17   40.81N/77.90W        
1 W BLACK MOSHANNON STATE PA 17.5 IN   1059 AM 12/17   40.91N/78.07W        
STATE COLLEGE 2.6 NW         16.6 IN   0730 AM 12/17   40.82N/77.90W        
3 NNE ZION                   16.4 IN   0744 AM 12/17   40.96N/77.64W        
3 WNW MILESBURG              16.2 IN   0800 AM 12/17   40.96N/77.84W        
2 ESE PORT MATILDA           15.5 IN   0228 PM 12/17   40.79N/78.02W        
PORT MATILDA                 15.5 IN   0800 AM 12/17   40.80N/78.05W        
PORT MATILDA 2.0 ESE         15.5 IN   0800 AM 12/17   40.79N/78.02W        
PHILIPSBURG                  15.2 IN   0700 AM 12/17   40.87N/78.22W        
2 ENE PORT MATILDA           15.0 IN   0800 AM 12/17   40.81N/78.01W        
1 ENE BELLEFONTE             15.0 IN   0716 AM 12/17   40.92N/77.75W        
BELLEFONTE                   15.0 IN   0700 AM 12/17   40.91N/77.78W        
PORT MATILDA 2.2 ESE         15.0 IN   0700 AM 12/17   40.79N/78.01W        
4 WSW UNIONVILLE             15.0 IN   0635 AM 12/17   40.88N/77.94W        
STATE COLLEGE 2.4 ENE        14.9 IN   0900 AM 12/17   40.81N/77.82W        
PLEASANT GAP 0.7 NW          14.8 IN   0700 AM 12/17   40.87N/77.75W        
2 ENE PARK FOREST            14.0 IN   0800 AM 12/17   40.81N/77.89W        
1 ENE BOALSBURG              13.9 IN   1006 AM 12/17   40.78N/77.77W        
PLEASANT GAP                 13.9 IN   0730 AM 12/17   40.87N/77.73W        
2 N PINE GROVE MILLS         13.0 IN   0234 PM 12/17   40.76N/77.88W        
1 ESE STATE COLLEGE          13.0 IN   0845 AM 12/17   40.79N/77.85W        
BOALSBURG 0.7 ENE            13.0 IN   0700 AM 12/17   40.78N/77.78W        
2 ENE BOALSBURG              12.7 IN   0924 AM 12/17   40.78N/77.76W        
CENTRE HALL                  12.0 IN   0800 AM 12/17   40.85N/77.69W        

...CLEARFIELD COUNTY...
CLEARFIELD                   22.0 IN   1052 AM 12/17   41.02N/78.44W        
BURNSIDE                     18.0 IN   1020 AM 12/17   40.81N/78.79W        
2 SW DUBOIS                  16.5 IN   0900 AM 12/17   41.10N/78.78W        
1 N DUBOIS                   15.5 IN   1008 AM 12/17   41.13N/78.75W        
2 NE TROUTVILLE              15.0 IN   1050 AM 12/17   41.05N/78.76W        
1 SW DUBOIS                  14.0 IN   1116 AM 12/17   41.11N/78.77W        
DUBOIS 2 S                   13.5 IN   0710 AM 12/17   41.09N/78.76W        

...CLINTON COUNTY...
3 NNE HYNER                  27.0 IN   1119 AM 12/17   41.34N/77.66W        
1 N WESTPORT                 24.7 IN   1049 AM 12/17   41.31N/77.84W        
2 W LOCK HAVEN               20.5 IN   1051 AM 12/17   41.14N/77.50W        
LOCK HAVEN                   19.0 IN   0700 AM 12/17   41.12N/77.45W        
2 N MACKEYVILLE              17.0 IN   0630 AM 12/17   41.08N/77.42W        
2 W MACKEYVILLE              15.5 IN   0515 AM 12/17   41.05N/77.46W        

...COLUMBIA COUNTY...
3 WNW BLOOMSBURG             15.0 IN   0700 AM 12/17   41.02N/76.51W        
BENTON                       14.9 IN   1100 AM 12/17   41.19N/76.39W        
2 SW FAIRMOUNT SPGS          14.9 IN   0600 AM 12/17   41.23N/76.34W        
2 SE ORANGEVILLE             14.3 IN   0700 AM 12/17   41.05N/76.38W        
ESPY 0.8 S                   12.1 IN   0700 AM 12/17   40.99N/76.42W        
1 NNW KNOEBELS GROVE         11.0 IN   1059 AM 12/17   40.89N/76.52W        

...CUMBERLAND COUNTY...
CARLISLE 7.2 SSW             11.2 IN   0800 AM 12/17   40.11N/77.28W        
2 WNW CARLISLE SPRINGS       11.0 IN   0642 AM 12/17   40.25N/77.22W        
SHIREMANSTOWN 0.4 SE         10.5 IN   0800 AM 12/17   40.22N/76.95W        
MECHANICSBURG 1.0 NNW        10.1 IN   0820 AM 12/17   40.22N/77.01W        
CARLISLE                     10.0 IN   0700 AM 12/17   40.23N/77.19W        
2 S CARLISLE                 9.5 IN    0953 AM 12/17   40.18N/77.21W        

...DAUPHIN COUNTY...
4 NE LIVERPOOL               13.0 IN   1023 AM 12/17   40.60N/76.94W        
1 W LINGLESTOWN              11.0 IN   0800 AM 12/17   40.34N/76.82W        
MILLERSBURG                  10.6 IN   0800 AM 12/17   40.54N/76.96W        
1 W ELIZABETHVILLE           10.5 IN   0900 AM 12/17   40.55N/76.84W        
HARRISBURG 5.9 NE            9.6 IN    0715 AM 12/17   40.33N/76.80W        
CLIFTON                      9.1 IN    0224 PM 12/17   40.24N/76.72W        
1 WSW RUTHERFORD HEIGHTS     9.0 IN    0930 AM 12/17   40.27N/76.78W        
DAUPHIN 2.6 NNE              8.8 IN    0800 AM 12/17   40.41N/76.91W        
MIDDLETOWN 2.9 NW            8.2 IN    0800 AM 12/17   40.23N/76.76W        
0.7 N DEHART DAM             8.2 IN    0700 AM 12/17   40.46N/76.75W        
SKYLINE VIEW                 8.0 IN    0739 AM 12/17   40.33N/76.73W        
HARRISBURG 1NE               8.0 IN    0700 AM 12/17   40.28N/76.87W        
HUMMELSTOWN                  8.0 IN    0642 AM 12/17   40.27N/76.71W        
PAXTONIA 1.7 E               7.5 IN    0800 AM 12/17   40.31N/76.76W        

...ELK COUNTY...
ST. MARYS 1.7 SE             19.6 IN   0600 AM 12/17   41.41N/78.53W        
SAINT MARYS                  17.5 IN   1056 AM 12/17   41.43N/78.56W        
1 E SAINT MARYS              16.0 IN   1019 AM 12/17   41.43N/78.55W        
RIDGWAY                      13.2 IN   0700 AM 12/17   41.42N/78.75W        

...FRANKLIN COUNTY...
3.0 E MONT ALTO              9.1 IN    0700 AM 12/17   39.85N/77.50W        
GREENCASTLE                  8.0 IN    1103 AM 12/17   39.79N/77.73W        
MERCERSBURG                  7.0 IN    0915 AM 12/17   39.83N/77.90W        
WAYNESBORO 2.6 WSW           6.8 IN    0700 AM 12/17   39.74N/77.63W        
FAYETTEVILLE 3.2 S           6.0 IN    0700 AM 12/17   39.87N/77.56W        

...HUNTINGDON COUNTY...
3 WSW ROCK SPRINGS           11.5 IN   0700 AM 12/17   40.70N/78.00W        
HUNTINGDON 1.3 N             11.4 IN   0700 AM 12/17   40.52N/78.02W        
PETERSBURG                   10.5 IN   0830 AM 12/17   40.57N/78.05W        

...JUNIATA COUNTY...
1 W THOMPSONTOWN             13.0 IN   1117 AM 12/17   40.56N/77.25W        
MIFFLIN                      11.1 IN   0742 AM 12/17   40.57N/77.40W        
EAST WATERFORD 0.2 SW        10.1 IN   0700 AM 12/17   40.37N/77.61W        

...LANCASTER COUNTY...
MILLERSVILLE                 10.0 IN   0221 PM 12/17   40.00N/76.35W        
4 W LEOLA                    9.4 IN    0705 AM 12/17   40.09N/76.26W        
LITITZ 0.3 WNW               9.0 IN    0800 AM 12/17   40.16N/76.31W        
DENVER                       8.8 IN    1050 AM 12/17   40.23N/76.14W        
SALUNGA-LANDISVILLE 1.1 SSE  8.5 IN    0900 AM 12/17   40.08N/76.41W        
2 E LANCASTER                8.0 IN    0730 AM 12/17   40.04N/76.27W        
ADAMSTOWN 2.5 SSE            7.8 IN    0700 AM 12/17   40.21N/76.05W        
2 ENE MILLERSVILLE           7.5 IN    0746 AM 12/17   40.02N/76.33W        
LANCASTER                    7.3 IN    0630 AM 12/17   40.04N/76.30W        
3 N LANCASTER                7.1 IN    0855 AM 12/17   40.08N/76.30W        
3 NW CHURCHTOWN              6.5 IN    1147 AM 12/17   40.18N/75.99W        
SAFE HARBOR                  6.0 IN    0800 AM 12/17   39.92N/76.39W        

...LEBANON COUNTY...
1 S LEBANON                  9.7 IN    0730 AM 12/17   40.33N/76.43W        
MOUNT GRETNA                 9.0 IN    0900 AM 12/17   40.25N/76.47W        
1 ENE CORNWALL               8.0 IN    0900 AM 12/17   40.28N/76.39W        
PALMYRA 2.1 S                8.0 IN    0700 AM 12/17   40.28N/76.60W        
LEBANON 1.3 SW               8.0 IN    0700 AM 12/17   40.33N/76.44W        
LEBANON 3.1 SSE              5.0 IN    0705 AM 12/17   40.30N/76.39W        

...LYCOMING COUNTY...
3 S ENGLISH CENTER           27.5 IN   0719 AM 12/17   41.40N/77.25W        
3 WNW COGAN STATION          22.0 IN   0900 AM 12/17   41.32N/77.08W        
3 ENE JERSEY SHORE           21.0 IN   0748 AM 12/17   41.22N/77.21W        
PICTURE ROCKS                19.8 IN   0600 AM 12/17   41.28N/76.71W        
JERSEY SHORE 0.9 S           18.2 IN   0700 AM 12/17   41.19N/77.27W        

...MCKEAN COUNTY...
PORT ALLEGANY                10.0 IN   0830 AM 12/17   41.82N/78.28W        
1 SW SMETHPORT               8.5 IN    0825 AM 12/17   41.80N/78.46W        
SMETHPORT                    8.5 IN    0821 AM 12/17   41.80N/78.45W        
KANE                         8.0 IN    0700 AM 12/17   41.68N/78.80W        
BRADFORD 5SW                 7.0 IN    0800 AM 12/17   41.90N/78.71W        

...MIFFLIN COUNTY...
2 WSW MILROY                 11.1 IN   0229 PM 12/17   40.70N/77.62W        
2 SSW LEWISTOWN              9.0 IN    0800 AM 12/17   40.57N/77.58W        
2 SSW ALFARATA               9.0 IN    0755 AM 12/17   40.63N/77.50W        
LEWISTOWN                    9.0 IN    0700 AM 12/17   40.58N/77.57W        

...MONTOUR COUNTY...
DANVILLE                     12.0 IN   0800 AM 12/17   40.96N/76.62W        

...NORTHUMBERLAND COUNTY...
MUNCY 4.7 SSE                16.1 IN   0700 AM 12/17   41.14N/76.77W        
1 NE MONTANDON               13.0 IN   1057 AM 12/17   40.97N/76.85W        
4 ESE MEISERVILLE            13.0 IN   0930 AM 12/17   40.65N/76.89W        
0.6 SW SUNBURY               13.0 IN   0825 AM 12/17   40.85N/76.79W        

...PERRY COUNTY...
3 NE LIVERPOOL               20.0 IN   1001 AM 12/17   40.61N/76.95W        

...POTTER COUNTY...
0.6 E GALETON                20.0 IN   0800 AM 12/17   41.73N/77.63W        
GALETON                      20.0 IN   0700 AM 12/17   41.73N/77.64W        
1 ESE COUDERSPORT            19.0 IN   0900 AM 12/17   41.77N/77.99W        
COUDERSPORT 7SE              18.2 IN   0700 AM 12/17   41.74N/77.97W        
5 NNE DENTON HILL STATE PARK 15.0 IN   0713 AM 12/17   41.83N/77.80W        
1.4 W COUDERSPORT            13.4 IN   0700 AM 12/17   41.77N/78.04W        
ROULETTE 1.8 NNE             11.0 IN   0700 AM 12/17   41.81N/78.14W        

...SCHUYLKILL COUNTY...
1 SE ORWIGSBURG              11.5 IN   1138 AM 12/17   40.65N/76.10W        
POTTSVILLE                   10.0 IN   1045 AM 12/17   40.68N/76.20W        
VALLEY VIEW 0.5 W            9.5 IN    0600 AM 12/17   40.64N/76.55W        
1 E TOWER CITY               8.0 IN    0650 AM 12/17   40.59N/76.54W        
1.4 N MAHANOY CITY           1.1 IN    0700 AM 12/17   40.83N/76.13W        

...SNYDER COUNTY...
SELINSGROVE 2.6 WNW          16.1 IN   0700 AM 12/17   40.82N/76.91W        
SELINSGROVE                  12.5 IN   0700 AM 12/17   40.78N/76.86W        

...SOMERSET COUNTY...
LAUREL SUMMIT                13.4 IN   0700 AM 12/17   40.17N/79.14W        
WINDBER 7SE                  13.3 IN   0700 AM 12/17   40.17N/78.70W        
CONFLUENCE 1 SW              9.5 IN    0800 AM 12/17   39.80N/79.37W        
GLENCOE 1 E                  9.1 IN    0700 AM 12/17   39.82N/78.85W        
3 SW JENNERSTOWN             8.0 IN    0233 PM 12/17   40.14N/79.09W        
SOMERSET                     8.0 IN    0233 PM 12/17   40.01N/79.08W        
HIDDEN VALLEY                8.0 IN    0800 AM 12/17   40.04N/79.26W        
BERLIN 3.1 NW                8.0 IN    0700 AM 12/17   39.95N/78.99W        
SOMERSET                     7.8 IN    0800 AM 12/17   40.00N/79.08W        

...SULLIVAN COUNTY...
DUSHORE                      33.9 IN   1100 AM 12/17   41.52N/76.40W        
1 SE SHUNK                   23.7 IN   1101 AM 12/17   41.55N/76.74W        
LAPORTE                      20.5 IN   0705 AM 12/17   41.42N/76.49W        

...TIOGA COUNTY...
2 SSW MORRIS                 32.0 IN   1002 AM 12/17   41.63N/77.28W        
WELLSBORO                    31.2 IN   1204 PM 12/17   41.75N/77.30W        
TIOGA                        28.8 IN   0658 AM 12/17   41.90N/77.14W        
COVINGTON 2 WSW              28.0 IN   0700 AM 12/17   41.73N/77.12W        
MANSFIELD                    23.5 IN   0550 AM 12/17   41.81N/77.08W        
1 ENE MILLERTON              22.7 IN   0800 AM 12/17   41.99N/76.93W        
WESTFIELD                    16.6 IN   0238 PM 12/17   41.92N/77.54W        
COWANESQUE DAM               16.5 IN   0700 AM 12/17   41.99N/77.16W        

...UNION COUNTY...
1 NW MILTON                  16.0 IN   0221 PM 12/17   41.02N/76.87W        
LINNTOWN                     15.0 IN   1000 AM 12/17   40.96N/76.90W        
1 WSW LINNTOWN               15.0 IN   0945 AM 12/17   40.95N/76.92W        
LEWISBURG                    14.0 IN   0100 PM 12/17   40.95N/76.88W        

...WARREN COUNTY...
CHANDLERS VALLEY             6.0 IN    0700 AM 12/17   41.93N/79.30W        
WARREN                       5.3 IN    0700 AM 12/17   41.84N/79.15W        

...YORK COUNTY...
MOUNT WOLF 1.0 SE            11.0 IN   0700 AM 12/17   40.05N/76.69W        
MANCHESTER 0.7 NNW           10.0 IN   0700 AM 12/17   40.07N/76.72W        
YORKANA 1.4 SE               9.3 IN    0800 AM 12/17   39.96N/76.57W        
1 NNW STONYBROOK             9.1 IN    1030 AM 12/17   39.99N/76.65W        
SPRING GROVE                 9.0 IN    0231 PM 12/17   39.88N/76.86W        
FELTON                       9.0 IN    0730 AM 12/17   39.85N/76.57W        
VALLEY GREEN 0.8 ENE         9.0 IN    0700 AM 12/17   40.16N/76.78W        
1 WSW VALLEY GREEN           9.0 IN    0535 AM 12/17   40.15N/76.82W        
2 SSE NEW CUMBERLAND         9.0 IN    0530 AM 12/17   40.20N/76.86W        
2 SSW GOLDSBORO              8.5 IN    0921 AM 12/17   40.13N/76.76W        
YORK 2.5 NNW                 8.5 IN    0700 AM 12/17   40.00N/76.75W        
2 SE WEIGELSTOWN             8.0 IN    0957 AM 12/17   39.97N/76.79W        
MANCHESTER 3.6 W             8.0 IN    0700 AM 12/17   40.06N/76.79W        
1 WNW BROGUE                 7.0 IN    1056 AM 12/17   39.87N/76.47W        
1 SSE YORK                   7.0 IN    1000 AM 12/17   39.95N/76.73W        
STEWARTSTOWN 0.5 S           7.0 IN    0700 AM 12/17   39.75N/76.59W        
EAST BERLIN 3.4 ESE          7.0 IN    0600 AM 12/17   39.91N/76.92W        
1 SE NEW SALEM               6.0 IN    0801 AM 12/17   39.89N/76.78W        
&&
RECORD SNOWSTORM FOR WILLIAMSPORT, PA



000
SXUS71 KCTP 171657
RERIPT

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1155 AM EST THU DEC 17 2020

...ALL TIME TWO-DAY SNOWFALL RECORD SET AT WILLIAMSPORT PA...
...RECORD DAILY MAXIMUM SNOWFALL SET YESTERDAY AT WILLIAMSPORT PA...
...RECORD DAILY MAXIMUM SNOWFALL SET TODAY AT WILLIAMSPORT PA...


THIS HISTORIC STORM SET AN ALL TIME TWO-DAY SNOWFALL RECORD OF 24.7 
INCHES IN WILLIAMSPORT PA ON DECEMBER 16-17 2020. THIS BREAKS THE 
PREVIOUS TWO-DAY RECORD OF 24.1 INCHES SET ON JANUARY 12-13 1964 
(THE ONLY OTHER TWO FOOT STORM ON RECORD). THE PREVIOUS TWO-DAY 
RECORD SNOW FOR THE MONTH OF DECEMBER WAS 17.2 INCHES ON DECEMBER 
25-26 1969.

DAILY SNOWFALL RECORDS WERE BROKEN FOR BOTH WEDNESDAY AND THURSDAY. 

A RECORD SNOWFALL OF 13.7 INCHES WAS MEASURED AT WILLIAMSPORT PA 
WENDESDAY (12/16)...BREAKING THE OLD RECORD OF 6.5 SET IN 1970.

A RECORD SNOWFALL OF 11.0 INCHES WAS MEASURED AT WILLIAMSPORT PA 
THURSDAY (12/17)...BREAKING THE OLD RECORD OF 10.0 INCHES SET IN 
1973.

IN ADDITION...

WEDNESDAY'S TOTAL OF 13.7 INCHES ALSO TIES FOR THE SECOND HIGHEST 
ONE-DAY DECEMBER SNOWFALL TOTAL WITH DECEMBER 19 1945...JUST BEHIND 
THE RECORD 14.7 INCHES THAT FELL ON DECEMBER 16 1969.

THE LAST TIME THERE WAS 12 OR MORE INCHES OF SNOW OVER A TWO-DAY 
PERIOD WAS 18.4 INCHES ON MARCH 14-15, 2017.

THE ONLY OTHER TWO FOOT SNOWSTORM ON RECORD AT WILLIAMSPORT OCCURRED 
ON JANUARY 12-13 1964.

$$

 

000
SXUS71 KCTP 180739
RERIPT

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
0230 AM EST FRI DEC 18 2020

...RECORD DAILY MAXIMUM SNOWFALL SET YESTERDAY AT WILLIAMSPORT PA...

A RECORD SNOWFALL OF 11.0 INCHES WAS SET AT WILLIAMSPORT PA 
YESTERDAY. THIS BREAKS THE OLD RECORD OF 10.0 INCHES SET IN 1973.


...ALL TIME TWO-DAY SNOWFALL RECORD SET AT WILLIAMSPORT PA...

THIS HISTORIC STORM SET AN ALL-TIME TWO-DAY SNOWFALL RECORD OF 24.7 
INCHES IN WILLIAMSPORT PA ON DECEMBER 16-17 2020. THIS BREAKS THE 
PREVIOUS TWO-DAY RECORD OF 24.1 INCHES SET ON JANUARY 12-13 1964 
(THE ONLY OTHER TWO FOOT STORM ON RECORD). THE PREVIOUS TWO-DAY 
RECORD SNOW FOR THE MONTH OF DECEMBER WAS 17.2 INCHES ON DECEMBER 25-
26 1969.

DAILY SNOWFALL RECORDS WERE BROKEN FOR BOTH WEDNESDAY AND THURSDAY. 

A RECORD SNOWFALL OF 13.7 INCHES WAS MEASURED AT WILLIAMSPORT PA 
WENDESDAY (12/16)...BREAKING THE OLD RECORD OF 6.5 SET IN 1970.

IN ADDITION...

WEDNESDAY'S TOTAL OF 13.7 INCHES ALSO TIES FOR THE SECOND HIGHEST 
ONE-DAY DECEMBER SNOWFALL TOTAL WITH DECEMBER 19 1945...JUST BEHIND 
THE RECORD 14.7 INCHES THAT FELL ON DECEMBER 16 1969.

THE LAST TIME THERE WAS 12 OR MORE INCHES OF SNOW OVER A TWO-DAY 
PERIOD WAS 18.4 INCHES ON MARCH 14-15, 2017.

WITH 24.7 INCHES SO FAR THIS MONTH 2020 STANDS ALONE AS THIRD 
SNOWIEST DECEMBER ON RECORD, BEHIND 1995 (25.0 INCHES) AND 1969 
(35.5 INCHES).

$$