Isolated severe thunderstorms affected a small portion of south-central Pennsylvania during the evening hours. Large hail and wind damage was reported in Adams County.
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.
Isolated severe thunderstorms affected a small portion of south-central Pennsylvania during the evening hours. Large hail and wind damage was reported in Adams County.
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 23, 2:50 PM EST, 4 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 350 PM EDT MON JUN 23 2008 .SYNOPSIS... AN UPPER LOW/TROUGH OVER THE GREAT LAKES AND OHIO VALLEY WILL SLIDE EASTWARD TONIGHT AND TUESDAY. SHOWERS AND THUNDERSTORMS ARE LESS LIKELY TOMORROW...HOWEVER A FEW MAY FORM ACROSS THE NORTH. A WEAK RIDGE OF HIGH PRESSURE AT THE SURFACE WILL COVER MOST OF THE EASTERN U.S. ON WEDNESDAY BRINGING DRY WEATHER. TEMPERATURES SHOULD BE NEAR NORMAL TUESDAY AND THEN SHOULD WARM SLIGHTLY THE REMAINDER OF THE WEEK. THE NEXT CHANCE OF PRECIP COMES THURSDAY- SATURDAY WHERE SCATTERED STORMS ARE POSSIBLE EACH DAY. && .NEAR TERM /UNTIL 6 AM TUESDAY MORNING/... WATER VAPOR IMAGERY SHOWS INCREASING MID-LEVEL MOISTURE ASSOCIATED WITH SHORTWAVES APPROACHING FROM THE WEST. THIS IS KICKING OFF THE FIRST/NEAREST SHRA/TSRA OF THE DAY ACROSS OHIO AND WESTERN PA. CURRENT MIXED LEVEL CAPES GENERALLY BETWEEN 500-1000 J/KG ACROSS THE STATE...MORE THAN SUFFICIENT TO ALLOW STORMS TO MAINTAIN THEMSELVES AS THEY MOVE INTO OUR AREA. THEREFORE EXPECTING THE STORMS TO MOVE EAST AND EXPAND IN COVERAGE THROUGH THIS EVENING. DEEP LAYER SHEAR IS CURRENTLY MODERATE TO STRONG OVER CENTRAL AND EASTERN PA WITH 50KTS OF 0-6KM SHEAR. CURRENT INHIBITING FACTOR IS LACK OF A LIFTING MECHANISM IN THE UNFAVORABLE JET STREAK QUADRANT AND DRY AIR ALOFT AROUND 800 MB...HOWEVER THESE WILL BE REMEDIED WITH THE APPROACHING SHORTWAVE. THE MAIN FACTOR AGAINST SEVERE WEATHER IS THAT BY THE TIME THIS SHORTWAVE ARRIVES THE BEST SHEAR WILL BE EAST OF OUR AREA. HOWEVER THE NEXT FEW HOURS APPEARS BEST FOR ANY POSSIBLE PULSE SEVERE WEATHER AS THE SHORTHWAVE WILL MOISTEN UP THE MID- LEVELS AND PROVIDE LIFT WHILE SHEAR WILL REMAIN MODERATE. THE BEST THREAT APPEARS TO BE ACROSS OUR WESTERN AND CENTRAL ZONES. THE SHEAR QUICKLY LOWERS EARLY THIS EVENING BUT STILL REMAINS MODERATE WITH 30KTS EXPECTED. SO STILL THINK A FEW STORMS MAY APPROACH SEVERE LIMITS THIS EVENING AS THE STORMS MOVE EAST THROUGH CENTRAL AREAS. AREAS FURTHER EAST WILL HAVE TO WAIT TO LATER THIS EVENING TO SEE ANY PRECIP IF THEY SEE ANY AT ALL. THE STORMS MOVING EAST SHOULD BEGIN TO WEAKEN WITH LOSS OF DAYTIME HEATING BUT AN INTENSIFYING UPPER LEVEL JET MAY IGNITE MORE STORMS ACROSS OUR FAR SOUTHEASTERN ZONES LATE THIS EVENING. THESE SHOWERS AND STORMS WILL LIKELY FORM IN THE RIGHT ENTRANCE REGION OF THIS JET...BUT IT APPEARS THAT THIS FAVORTABLE AREA MAY BE JUST EAST OF OUR ZONES. && .SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/... WILL KEEP MENTION OF PATCHY FOG IN THE MORNING GRIDS WITH MOISTURE HIGH AND SOME CLEARING POSSIBLE...ESPECIALLY WHERE IT RAINS THIS EVENING. OTHERWISE THE FIRST HALF OF TUE SHOULD BE QUIET. THE AFTERNOON WILL AGAIN BRING SCT SHRA/TSRA...MAINLY OVER THE NE PORTION OF THE CWA AND TAPERING OFF TO SLIGHT CHANCE TO THE S AND W. THE COLD POOL WILL BE OVER THIS REGION...SO THERE MAY EVEN BE SOME SMALL HAIL IN A FEW STORMS. DYNAMICS MOVE EAST TUE NIGHT AND A QUIET NIGHT SHOULD BE IN STORE. && .LONG TERM /WEDNESDAY THROUGH MONDAY/... WED THROUGH FRI WILL BRING ZONAL FLOW ALOFT WHILE SURFACE HIGH PRESSURE HANGS OVER THE MID ATLANTIC REGION. A WARM FRONT WILL SLIP IN FROM THE OHIO VALLEY THU INTO FRI...BRINGING NEXT CHANCE FOR SHOWERS/TSTORMS...POSSIBLY AS EARLY AS LATE WED NIGHT IN FOR FORM OF AN MCS. SCATTERED TSTMS WILL BE AROUND THU INTO FRI AS WE SLIP INTO WARM SECTOR AHEAD OF APPROACHING SYSTEM. WRAPPED UP SYSTEM MOVES IN FOR THE WEEKEND WITH SLOW MOVING SEMI- OCCLUDED COLD FRONT WELL OUT AHEAD OF MAIN UPPER LOW ON SAT. THIS WILL KEEP THE SEEMINGLY ENDLESS RUN OF DAILY CHANCE/SCATTERED TSTMS IN THE FORECAST SAT INTO SUN. PWATS INCREASE DURING THIS PERIOD AND COULD EVEN SEE SOME SHOWERS CONTINUE THROUGH THE NIGHT SAT. UPPER LOW FINALLY SLIDES THROUGH TO OUR NORTH ALONG WITH MAIN DYNAMICS LATER SUN INTO MON. PRECIP CHANCES DROP QUICK HEADED INTO MONDAY...AND A DRIER PERIOD WILL BEGIN AS BROAD RIDGE BUILDS OVER THE CENTRAL U.S. TEMPS WILL COOL A BIT FOR MID WEEK...WITH SOME COOL LOWS TO START THE DAY. A WARMING TREND FOR THE WEEKEND BEFORE TEMPS DROP BACK A BIT FOR EARLY NEXT WEEK. && .AVIATION /19Z MONDAY THROUGH SATURDAY/... CU CURRENTLY WIDESPREAD ACROSS THE AREA WITH BASES ARND 6KFT. ATMS IS BECOMING DESTABLIZED THIS AFTN AND WILL ALLOW ISO/SCT TSRA TO DEV. A FEW STORMS COULD BE STRONG WITH SMALL HAIL AND WIND GUSTS TO 35 KTS. DECOUPLED WINDS SHUD RESULT IN MVFR/IFR VSBYS AFT 06Z TUE. UPPER LVL LOW WILL GRADUALLY LIFT NE TUE/WED. REDUCED CIGS/VSBYS WILL LINGER THRU TUE...ALTHOUGH BREAKS EACH DAY MAY BE EXPECTED. NW FLOW RESUMES LATE TUE WITH A WEAK AREA OF HIGH PRESSURE BUILDING IN FOR TUE FROM THE WEST. SFC HIGH PRESSURE WILL HELP TO USHER IN A DRIER AIRMASS AND VFR CONDS WILL RETURN. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...99/DEVOIR NEAR TERM...99/DEVOIR SHORT TERM...RXR LONG TERM...RXR AVIATION...99/DEVOIR
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 322 AM EDT MON JUN 23 2008 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-240730- 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- 322 AM EDT MON JUN 23 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY. THE MOST PROBABLE TIME FOR SEVERE WEATHER IS IN THE AFTERNOON AND EVENING. THE PRIMARY THREATS WILL BE LARGE HAIL AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY. DANGELO
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 704 PM EDT MON JUN 23 2008 PAZ019-025>027-240000- BLAIR-HUNTINGDON-MIFFLIN-SOUTHERN CENTRE- 704 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MIFFLIN...NORTHEASTERN BLAIR...NORTHERN HUNTINGDON AND SOUTH CENTRAL CENTRE COUNTIES... AT 701 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 6 MILES SOUTH OF TYRONE...MOVING NORTHEAST AT 24 MPH. WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. THIS STORM WILL BE NEAR SPRUCE CREEK AROUND 715 PM...FRANKLINVILLE AROUND 725 PM...ROCK SPRINGS AROUND 745 PM...PINE GROVE MILLS AROUND 755 PM AND BOALSBURG AROUND 800 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-99 BETWEEN MILE MARKERS 38 AND 57. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE 220...ROUTE 322...STATE ROAD 26...STATE ROAD 45...STATE ROAD 453. FORECASTER: MARTIN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 729 PM EDT MON JUN 23 2008 PAZ036-064-065-240030- ADAMS-FRANKLIN-YORK- 729 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN FRANKLIN...SOUTHERN ADAMS AND SOUTHWESTERN YORK COUNTIES... AT 726 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 6 MILES SOUTH OF WAYNESBORO...MOVING EAST AT 24 MPH. WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. THIS STORM WILL BE NEAR ROUZERVILLE AROUND 735 PM...CARROLL VALLEY AROUND 755 PM...GETTYSBURG AROUND 815 PM...GERMANTOWN AROUND 825 PM AND LITTLESTOWN AROUND 830 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 15...ROUTE 30...STATE ROAD 94...STATE ROAD 97. FORECASTER: MARTIN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 743 PM EDT MON JUN 23 2008 PAZ026>028-050-240045- HUNTINGDON-JUNIATA-MIFFLIN-SNYDER- 743 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT MIFFLIN...NORTH CENTRAL JUNIATA...NORTHEASTERN HUNTINGDON AND WEST CENTRAL SNYDER COUNTIES... AT 739 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 8 MILES EAST OF HUNTINGDON...MOVING NORTHEAST AT 22 MPH. WIND GUSTS TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. THIS STORM WILL BE NEAR MCVEYTOWN AROUND 750 PM...MCALEVYS FORT AROUND 755 PM...BELLEVILLE AROUND 800 PM...STRODES MILLS AROUND 805 PM...REEDSVILLE...AND LEWISTOWN AROUND 820 PM...YEAGERTOWN...BURNHAM AND AND SEVEN MOUNTAINS AROUND 825 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22/522... ROUTE 322...ROUTE 322/22...ROUTE 522. FORECASTER: MARTIN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 800 PM EDT MON JUN 23 2008 PAZ041-046-240030- NORTHERN LYCOMING-SOUTHERN LYCOMING- 800 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LYCOMING COUNTY... AT 756 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED OVER WILLIAMSPORT...MOVING NORTHEAST AT 21 MPH. WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. THIS STORM WILL BE NEAR MONTOURSVILLE AROUND 810 PM...LOYALSOCKVILLE AROUND 815 PM AND BARBOURS AROUND 830 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-180 BETWEEN MILE MARKERS 14 AND 29. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 15...ROUTE 220. FORECASTER: MARTIN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 801 PM EDT MON JUN 23 2008 PAZ019-027-049-050-240045- MIFFLIN-SNYDER-SOUTHERN CENTRE-UNION- 801 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MIFFLIN... SOUTHEASTERN CENTRE...SOUTHWESTERN UNION AND WEST CENTRAL SNYDER COUNTIES... AT 800 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 12 MILES NORTH OF LEWISTOWN...MOVING NORTHEAST AT 31 MPH. WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR POE VALLEY STATE PARK AROUND 810 PM... MILLHEIM AROUND 815 PM...SNYDER-MIDDLESWARTH STATE PARK AROUND 825 PM AND WEIKERT AROUND 830 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 322...STATE ROAD 45. FORECASTER: JUNG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 806 PM EDT MON JUN 23 2008 PAZ027-028-056-240100- JUNIATA-MIFFLIN-PERRY- 806 PM EDT MON JUN 23 2008 ...A STRONG THUNDERSTORM WILL AFFECT JUNIATA...NORTHERN PERRY AND SOUTH CENTRAL MIFFLIN COUNTIES... AT 804 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 14 MILES SOUTH OF LEWISTOWN...MOVING NORTHEAST AT 21 MPH. WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. THIS STORM WILL BE NEAR BLAIN AROUND 815 PM...HONEY GROVE AROUND 820 PM...SPRUCE HILL AROUND 835 PM...KISTLER AROUND 840 PM...LOYSVILLE AROUND 845 PM...PORT ROYAL AND AND MIFFLIN AROUND 850 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 322/22. FORECASTER: MARTIN
The Sterling radar (KLWX), 91 km away, was scanning. The volume nearest the first event began at 00:12 UTC.
2 thunderstorm wind, 1 hail. Local standard time, as filed.
The Adams County 911 centered relayed a report from local law enforcement of golf-ball sized hail at Fairfield and Carrol Valley.
Adams County emergency management reported trees and wires down in Arendtsville.
Adams County emergency management reported trees and wires down in Biglerville.
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: 96398, 96400, 96401.