1 flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before the first event at Nov 30, 9:58 PM EST, 2 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 958 PM EST WED NOV 30 2005 .SHORT TERM (REST OF TONIGHT)... STRATUS HANGING TOUGH UNDERNEITH STRONG SUBSIDENCE INVERSION... DONT EXPECT MUCH IMPROVEMENT FROM CURRENT SKY CONDITIONS OVERNIGHT. SENT A QUICK UPDATE FOR OVERNIGHT SKY COVER...OTHERWISE ALL GOING FORECAST DETAILS IN GOOD SHAPE. && .PREVIOUS DISCUSSION... (ISSUED 211 PM EST WED NOV 30 2005) SHORT TERM (TONIGHT THROUGH THURSDAY)... STRATUS STILL STUCK OVER THE WRN HIGH TERRAIN AND CENTRAL MTS. ONLY A FLURRY OR TWO FALLING OVER THE EXTREME NW...AND WILL CARRY THE SAME TONIGHT UP THERE NO POP NECESSARY). TEMPS CLOSE TO MET/MAV BLEND. WINDS WILL GO LIGHT AND VRB. CLOUDS WILL TRY TO BREAK UP IN CENTRAL MTS AND SRN PART OF LAURELS...BUT HOLD TOUGH TO THE N/W. HIGH CLOUDS COME IN FROM THE WEST ON THURSDAY AND MAY EVEN BEAR SOME LIGHT SNOW IN THE EXTREME NWRN COS BEFORE NIGHTFALL...BUT MOST AREAS WILL NOT SEE ANY SNOW BEFORE DARK. LEFT POPS LOW EXCEPT 30S IN WARREN AND MCKEAN COS. MAX TEMPS QUITE A BIT CHILLIER IN THE EAST THURS (COMPARED TO TODAY) WITH NO DOWNSLOPE HELP. AGAIN...FOLLOWED MAV/MET BLEND. LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)... CLIPPER SYSTEM WITH LIMITED SURFACE SUPPORT MOVES THROUGH THU NIGHT INTO FRIDAY...BRINGING A CHANCE FOR LIGHT SNOW TO THE REGION. IN ITS WAKE...TROUGH SETTLES OVER NORTHEAST U.S. AND WINDS ALIGN ACROSS THE GREAT LAKES BRINGING A ROUND OF LAKE EFFECT SNOWS TO THE NW MTNS. BIGGEST THREAT AREA WILL BE WARREN COUNTY AND PARTS OF MCKEAN COUNTY WHERE CURRENTLY ADVISORY SNOW TOTALS ARE FORECAST FROM LATER THU NIGHT INTO FRI NIGHT. A BIT TOO EARLY TO ISSUE AN ADVISORY WITH THIS PACKAGE...BUT ADVISORY OR WATCH (PRECURSOR TO FUTURE WARNING) WILL NEED TO BE CONSIDERED BY THIS TIME TOMORROW. FORECAST GETS A LITTLE BLURRY AS WE PROGRESS DEEPER INTO THE EXTENDED WITH MODELS AGREEING THERE WILL BE A TROUGH ACROSS THE AREA BUT DIVERGING ON PLACEMENT OF FEATURES. BEST FORECAST RIGHT NOW IS TO SLIDE A LOW ACROSS JUST TO OUR SOUTH FOR SUNDAY WITH A CHANCE FOR SNOW IN THE NORTH AND MIXED PRECIP IN THE CENTRAL AND SOUTH DEPENDING ON HOW MUCH COLD AIR FILTERS SOUTHWARD. THEN FOCUS WILL SHIFT TO SECONDARY STORM WITH POTENTIAL TO BE MORE SIGNIFICANT IF ELEMENTS COME TOGETHER NEXT MON/TUE. AVIATION... STRATUS CLOUDS OVER ALL BUT KMDT WILL LINGER LONGEST IN WRN TAF SITES...ESP AT KBFD...WHERE A DIP TO IFR NOT OUT OF THE QUESTION...BUT WILL KEEP THEM UNDER GENERALLY MVFR CIGS THRU THE MORNING. WILL HOLD A FLURRY IN THERE...TOO. REST OF THE WRN TERMINALS WILL ONLY SHOW A GRADUAL IMPROVEMENT...AS DWPTS UPSTREAM STILL CLOSE TO EXPECTED LOWS...AND INVERSION WILL NOT GET REALLY LOW UNTIL CLOSE TO SUNRISE. MOISTURE SHOULD STAY TRAPPED UNDERNEATH IT. FOG NOT A CONCERN...EXCEPT PERHAPS IPT/MDT AS WINDS GO LIGHT...AND SKIES GO MAINLY CLEAR LATER TONIGHT. LEFT PRECIP OUT FOR 12-18Z THURS...AS SNOW LOOKS TO HOLD OFF IN THE NW UNTIL 22Z OR LATER. HYDROLOGY... SIX RIVER POINTS STILL IN FLOOD THIS AFTERNOON...WITH SMALLER STREAMS CRESTING OR FALLING CURRENTLY. ONLY THE LARGER RIVERS (WEST BRANCH AND MAIN STEM SUSQ) WILL CONT TO RISE. SEE AHPS WEB PAGES OR LATEST FLS/FLWS FOR DETAILS. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...DEVOIR
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 505 AM EST WED NOV 30 2005 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056>059-063>066-011015- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 505 AM EST WED NOV 30 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT ALTHOUGH SMALLER STREAMS ARE QUICKLY RECEDING...MINOR RIVER FLOODING WILL CONTINUE TODAY OVER PORTIONS OF CENTRAL PENNSYLVANIA DUE TO THE RECENT HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SEVERAL INCHES OF LAKE EFFECT SNOW APPEAR POSSIBLE OVER PORTIONS OF WARREN COUNTY...AND PERHAPS MCKEAN COUNTY...BETWEEN THURSDAY NIGHT AND FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Heavy rain caused the West Branch Susquehanna River at Montgomery to flood. The river exceeded flood stage of 17 feet at 09:00 EST on the 30th, crested at 19.7 feet at 22:00 EST on the 30th, then fell back below flood stage at 01:00 EST on the 2nd of December.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2005Every state in 2005This day in weather historyWarnings in Pennsylvania, December 2005
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5483392.