A few severe thunderstorms produced isolated wind damage and hail across a small portion of the Middle and Lower Susquehanna Valley.
Every event with a place to put it. 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 episode as NWS CTP wrote it up.
A few severe thunderstorms produced isolated wind damage and hail across a small portion of the Middle and Lower Susquehanna Valley.
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 Jun 20, 2:06 PM EST, 43 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 306 PM EDT FRI JUN 20 2008 .SYNOPSIS... WHILE ONE UPPER TROF STARTS TO LOSE ITS GRIP OVER THE REGION... ANOTHER UPPER LOW WILL DESCEND FROM CANADA INTO THE GREAT LAKES LATE SATURDAY AND SUNDAY...BRINGING MORE CLOUDS AND A GOOD CHANCE FOR SHOWERS AND THUNDERSTORMS. THE SECOND UPPER LOW WILL LOOSEN ITS GRIP ON THE REGION BY THE MIDDLE OF NEXT WEEK WITH SHOWER CHANCES DIMINISHING AND TEMPERATURES REBOUNDING BACK TO NORMAL BY THE MIDDLE PORTION OF NEXT WEEK. && .NEAR TERM /UNTIL 10 PM THIS EVENING/... DESPITE SOMEWHAT SKINNY CAPE PROFILES...SLOWLY RISING 5H HEIGHTS AND MEAGER MOISTURE...SEEING MORE WIDESPREAD SCT SHOWER AND THUNDERSTORM ACTIVITY THIS AFTERNOON. WET BULB ZERO HEIGHTS AROUND 9K FEET WITH -20C HEIGHTS AROUND 20K FEET WILL LIKELY LEAD TO SOME PEA SIZED HAIL REPORTS THIS AFTERNOON INTO EARLY THIS EVENING. && .SHORT TERM /10 PM THIS EVENING THROUGH SUNDAY/... 5H RIDGING WILL CONTINUE AFTER THE EARLY EVENING CONVECTION HAS DIED...ALLOWING FOR MOSTLY CLEAR SKIES AND A COOL FIRST NIGHT OF SUMMER. STUCK WITH LOWS RANGING FROM SOME MID 40 READINGS IN THE NORTH THROUGH THE MID TO UPPER 50S ACROSS THE CENTRAL AND SOUTHEAST. THINKING STILL HOLDS FOR THE WEEKEND WITH DEEPER LAYER MOISTURE RETURNING TO THE REGION LATE SATURDAY ON WLY FLOW ALOFT. SHOULD SEE SOME AFTN CONVECTION MAINLY ACROSS WESTERN SECTIONS...BUT AT THIS TIME IT DOES NOT APPEAR IT WILL BE VERY STRONG OR ORGANIZED. TEMPS WILL CONTINUE TO REBOUND NICELY FROM THE SEASONABLY CHILLY CONDITIONS SEEN IN THE MID TO LATE PORTION OF THIS WEEK...WITH HIGHS THROUGHOUT CENTRAL AND SOUTHERN PA IN THE 80S...AND THE MID TO UPPER 70S ELSEWHERE. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... LONG TERM STILL LOOKS LIKE THE SHORT TERM WITH THE CLEAR MORNINGS AND THE CONVECTIVE CLOUDS DEVELOPING IN EARLY AFTERNOON. STORMS WILL BE SHORT LIVED BUT WILL STILL CONTAIN LIGHTNING AND SMALL HAIL. UPPER TROUGH AND LOW WILL MOVE THROUGH THE REGION ON SUNDAY BRINGING A BETTER CHANCE FOR MORE WELL DEFINED CONVECTION AND STRONGER STORMS. FOR THE BEGINNING OF WORK WEEK EXPECT A HIGHER CHANCE FOR LESS PRECIP AND TEMPERATURES WILL BECOME MORE SEASONAL. && .AVIATION /19Z FRIDAY THROUGH WEDNESDAY/... SCT CONVECTION INTO EARLY THIS EVENING WITH SCT MVFR CIGS MOST PREVALENT ACROSS NORTHERN AND EASTERN ROUTES...THEN VFR OVERNIGHT THROUGH SATURDAY MORNING. AREA OF LOW PRESSURE APPROACHES THE REGION SAT AFTN WITH CHC FOR TSRA AND POSSIBLE REDUCTION IN CIGS/VSBYS TO MVFR. LOW PRESSURE LINGERS SUN...BEFOR LIFTING NE. REDUCED CIGS/VSBYS WILL LINGER THRU SUN AND SLOWLY IMPROVE SUN EVE. NW FLOW RESUMES MON WITH A WEAK AREA OF HIGH PRESSURE BUILDING IN FOR TUE FROM THE WEST. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...DEVOIR NEAR TERM...DEVOIR SHORT TERM...DEVOIR LONG TERM...ONDREJIK AVIATION...DEVOIR
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 341 AM EDT FRI JUN 20 2008 PAZ004>006-010-011-017-024-033-210745- WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-CAMBRIA-SOMERSET- 341 AM EDT FRI JUN 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON...AND SOME MAY CONTAIN DAMAGING WIND GUSTS OR LARGE HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059- 063>066-210745- NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON- MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND- ADAMS-YORK-LANCASTER- 341 AM EDT FRI JUN 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. DANGELO
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 310 PM EDT FRI JUN 20 2008 PAZ017-024-033-034-202015- BEDFORD-CAMBRIA-CLEARFIELD-SOMERSET- 310 PM EDT FRI JUN 20 2008 ...STRONG THUNDERSTORMS WILL AFFECT CAMBRIA...NORTHEASTERN SOMERSET...NORTHWESTERN BEDFORD AND SOUTHWESTERN CLEARFIELD COUNTIES... AT 303 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 7 MILES NORTHWEST OF BLAIRSVILLE TO 7 MILES SOUTH OF MCCHESNEYTOWN-LOYALHANNA...MOVING EAST AT 24 MPH. THESE STORMS WILL PRODUCE PEA-SIZED HAIL. THESE STORMS WILL BE NEAR JENNERSTOWN AROUND 335 PM...BOSWELL AROUND 340 PM...JEROME AROUND 345 PM...HOOVERSVILLE...AND BENSON AROUND 350 PM...WESTMONT...TIRE HILL...ELIM...AND DAVIDSVILLE AROUND 355 PM AND FERNDALE AROUND 400 PM. FORECASTER: RHG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 316 PM EDT FRI JUN 20 2008 PAZ037-041-042-202000- NORTHERN LYCOMING-SULLIVAN-TIOGA- 316 PM EDT FRI JUN 20 2008 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL LYCOMING... NORTHWESTERN SULLIVAN AND SOUTHEASTERN TIOGA COUNTIES... AT 307 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 19 MILES SOUTH OF WELLSBORO...MOVING EAST AT 28 MPH. THIS STORM WILL PRODUCE PEA-SIZED HAIL. THIS STORM WILL BE NEAR RALSTON AROUND 340 PM AND SHUNK AROUND 400 PM. FORECASTER: GRUMM
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 317 PM EDT FRI JUN 20 2008 PAZ035-036-202000- FRANKLIN-FULTON- 317 PM EDT FRI JUN 20 2008 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FRANKLIN AND SOUTHERN FULTON COUNTIES... AT 316 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 11 MILES SOUTH OF BREEZEWOOD...MOVING EAST AT 23 MPH. WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR BIG COVE TANNERY AROUND 335 PM... MCCONNELLSBURG AROUND 340 PM...CLAYLICK AROUND 350 PM...MERCERSBURG AROUND 355 PM AND GREENCASTLE AROUND 400 PM. FORECASTER: ONDREJIK
The Sterling radar (KLWX), 101 km away, was scanning. The volume nearest the first event began at 19:48 UTC.
2 hail, 1 thunderstorm wind. Local standard time, as filed.
Franklin County Law Enforcement reported several trees and wires down in the Fort Loudon area.
Public reported nickel-sized hail in Biggertown.
Public reported penny-sized hail along Route 239 just north of Benton.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2008Every state in 2008This day in weather historyWarnings in Pennsylvania, June 2008
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: 96340, 96336, 96337.