Brief intense rainfall brought flash flooding to portions of Somerset and Bedford Counties on the afternoon of June 20th.
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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.
Brief intense rainfall brought flash flooding to portions of Somerset and Bedford Counties on the afternoon of June 20th.
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, 2:51 PM EST, 1 hour 2 minutes earlier.
Area Forecast Discussion National Weather Service State College PA 351 PM EDT Wed Jun 20 2018 .SYNOPSIS... Rain and thunderstorms will impact central Pennsylvania through this evening, with an isolated risk of flash flooding across the southern tier. After a dry and pleasant Thursday, rounds of showers and thunderstorms will return Friday into the weekend. && .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/... *Isolated flash flooding possible through this evening across parts of south central Pennsylvania A stalled front draped west to east from the Front Range across the central Plains/mid-Mississippi Valley into the Ohio Valley and mid-Atlantic will focus rounds of rain and thunderstorms through tonight across central PA. Laurel Highlands have been the hot spot through early afternoon with persistent showers and isolated thunderstorms tracking across central and northern portions of Somerset and Bedford Counties. Many of these areas have been primed for flash flooding should higher intensity rainfall redevelop across those areas...with 2"+ having fallen from Armstrong County through portions of Somerset and Bedford Counties. Upstream radar returns suggest that Flash Flood Warnings may be imminent for some of the above areas in the next half hour to 90 minutes. Activity will shift eastward throughout the late afternoon and evening as sfc low ripples along the frontal system draped across the southern tier of PA. Some pockets of heavy rain should shift eastward toward the Lower Susquehanna Valley later this evening with focused boundary layer moisture convergence supporting secondary precip max before showers taper down into early Thursday morning. Widespread low clouds and areas of fog will be prevalent Thursday morning as the system moves away and drier air advects in aloft. Mins will range from the low 50s north to the muggy mid 60s south. && .SHORT TERM /6 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/... Wavy frontal boundary should sink far enough south to bring fair and pleasant conditions on Thursday. The morning will be cloudy with areas of fog central and south, but a nice afternoon is on tap with lower humidity and increasing sunshine. Highs will range from the low to mid 40s north to the lower 80s south. && .LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/... Frontal system returns Friday with increase in shower and thunderstorm activity. This will lead to a trough over the area for the weekend and pops in the forecast. Heights rise early next week and a much more summerlike weather pattern is expected by the middle of next week and later. && .AVIATION /20Z WEDNESDAY THROUGH MONDAY/... Warm front and wave of low pressure moving from the Ohio Valley east along the Mason-Dixon line will produce widespread MVFR through this afternoon, with areas of IFR Cigs in rain of varying intensity along with scattered thunderstorms. Showers diminish through Wed night, but restrictions will remain in place into early Thu. .Outlook... Thu...Early AM rain/cig and vsby reductions possible - mainly across the SE half of Pa. Fri...PM showers/cig reductions possible central mountains. Sat-Sun...AM showers/cig reductions possible. Sct PM tsra impacts possible. Mon...Fair. && .CLIMATE... Astronomical summer begins Thursday, June 21st at 607 AM. && .CTP WATCHES/WARNINGS/ADVISORIES... Flash Flood Watch until 10 PM EDT this evening for PAZ033>036. && SYNOPSIS...DeVoir/Steinbugl NEAR TERM...DeVoir/Steinbugl SHORT TERM...DeVoir/Steinbugl LONG TERM...Ross/Steinbugl AVIATION...DeVoir/Gartner/RXR CLIMATE...
Hazardous Weather Outlook National Weather Service State College PA 1054 AM EDT Wed Jun 20 2018 PAZ004>006-010>012-017>019-037-041-042-045-046-049>053-058-211500- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Tioga-Northern Lycoming-Sullivan- Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Schuylkill- 1054 AM EDT Wed Jun 20 2018 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...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ024>028-056-057-059-063>066-211500- Cambria-Blair-Huntingdon-Mifflin-Juniata-Perry-Dauphin-Lebanon- Cumberland-Adams-York-Lancaster- 1054 AM EDT Wed Jun 20 2018 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. Localized flash flooding is possible Wednesday afternoon into Wednesday night. Small streams, low water crossings, and poor drainage and urban areas will be the most vulnerable to flooding. Be aware of flood prone areas. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ033>036-211500- Somerset-Bedford-Fulton-Franklin- 1054 AM EDT Wed Jun 20 2018 ...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Flash Flood Watch. Localized flash flooding is possible Wednesday afternoon into Wednesday night. Small streams, low water crossings, and poor drainage and urban areas will be the most vulnerable to flooding. Be aware of flood prone areas. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
416 PM EDT WED JUN 20 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0844 PM TORNADO 3 NW GALLITZIN 40.51N 78.60W
06/13/2018 CAMBRIA PA NWS STORM SURVEY
EF-1 TORNADO CONFIRMED BY NWS STORM SURVEY.
&&
EVENT NUMBER CTP1801906
TYBURSKISpecial Weather Statement
National Weather Service State College PA
425 PM EDT WED JUN 20 2018
PAZ034-035-202100-
Bedford PA-Fulton PA-
425 PM EDT WED JUN 20 2018
...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN BEDFORD AND FULTON
COUNTIES UNTIL 500 PM EDT...
At 423 PM EDT, Doppler radar indicated a line of strong
thunderstorms 8 miles near Clearville, moving southeast at 30 mph.
Wind gusts up to 50 mph are possible. The ground is wet from recent
rainfall and trees may be blown down by winds less than 60 MPH.
Additionally, the heavy rain may lead to flash flooding. Part of the
area covered by this statement is also under a Flash Flood Warning
until 700 PM EDT.
This strong thunderstorm will be near...
Clearville around 430 PM EDT.
Inglesmith around 440 PM EDT.
Barnes Gap around 445 PM EDT.
Locust Grove around 450 PM EDT.
Warfordsburg around 500 PM EDT.
Other locations impacted by this storm include Rainsburg and Hyndman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3972 7860 3978 7876 4000 7855 3987 7797
3972 7810
TIME...MOT...LOC 2023Z 294DEG 28KT 3984 7852
DangeloThe State College radar (KCCX), 126 km away, was scanning. The volume nearest the first event began at 20:50 UTC.
6 flash flood. Local standard time, as filed.
Heavy rainfall flooded Cornerstone Road at Huckleberry Highway, including the bridge.
A swift water rescue occurred at the intersection of Cider Mill Road and Klondike Road.
The bridge at East Bakersville Edie Road and Brendle Road in Lincoln Township was flooded.
A covered bridge near New Baltimore was washed out.
Flooding reported across Sherry Road north of the bridge over Cove Creek.
The Hooversville Fire Dept Chief has reported they have a total of 5 streets under water, a total of 20 homes displaced due to flooding in Hooverville, Somerset County. Approximately, 47 people have been evacuated and have gotten placement either with other family members, in hotels, or the at shelter at Church Street and Clark Street. in Hooversville. Hooversville Fire Chief also advised the water is approx one house away from there station at this time.
Somerset County 911 is reporting that 35 persons are being evacuated in Benson Borough. The evacuees are will being going to a shelter being set up at St. Thomas Church.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2018Every state in 2018This day in weather historyWarnings in Pennsylvania, June 2018
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: 757266, 757274, 757275, 757276, 757278, 757277.