A slow moving cold front progressed eastward into the Upper Ohio, as waves of low pressure tracked along the boundary. The main threats were damaging wind gusts and locally heavy rainfall creating flash flooding.
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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 PBZ wrote it up.
A slow moving cold front progressed eastward into the Upper Ohio, as waves of low pressure tracked along the boundary. The main threats were damaging wind gusts and locally heavy rainfall creating flash flooding. A weak MCV moving over during the evening aided in additional shower/thunderstorm development for portions of southwest PA.
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 Pittsburgh, PA wrote its last area forecast discussion before the first event at Jun 5, 10:11 AM EST, 2 hours 40 minutes earlier.
Area Forecast Discussion National Weather Service Pittsburgh PA 1111 AM EDT Thu Jun 5 2025 .SYNOPSIS... Shower and thunderstorm chances return today with an approaching cold front. This front will drift across the region through Sunday, as waves of low pressure track along it. This will result in periodic shower and thunderstorm chances through the weekend. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... KEY MESSAGES: - Shower and thunderstorm chances increase today - Marginal Risk for mainly damaging wind gusts - Locally heavy rain possible --------------------------------------------------------------- The surface front currently lies across northern Ohio to just along the Lake Erie shoreline and into western New York. Southward progression remains slow, but an approaching shortwave in southwest flow aloft will give the boundary a southward push into our region during the mid to late afternoon. Mid and upper clouds continue to slowly stream into the region, with cumulus development expected by early afternoon. The 12Z sounding showed a cap just above 750mb, but some modest cold advection at that level should help mitigate this inhibition. Initial activity should focus closer to the frontal boundary during the early afternoon before scattered showers and storms develop further east with time as cold pool interactions become more likely and as convective temperatures are breached. Overall shear levels in the 0-6km layer will remain at 20 knots or less, limiting storm organization, although values could be a bit higher north of I-80 and perhaps could support a modest hail threat there. However, the main severe threat is still expected to be isolated/scattered damaging wind gusts. Although lapse rates aloft will not be overly steep, DCAPE of 700-900 J/kg should support a downburst threat with any storms that generate stronger updrafts. Localized heavy rainfall/flash flooding remains a concern as well. With precipitable water increasing into the 1.5 to 1.6 inch range, along with slow storm motion and potential for training along the front, localized heavy rainfall totals of 1 to 2 inches could be realized, perhaps higher on a highly localized basis. Another warm day in the 80s is expected before the shower/storms increase later today. && .SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/... KEY MESSAGES: - Showers and thunderstorms continue at times - Marginal Risk for damaging thunderstorm wind gusts Friday - Locally heavy rainfall possible through Friday night ---------------------------------------------------------------- The front is expected to stall across the Upper Ohio Valley region tonight. Ongoing showers and thunderstorms should quickly lose intensity during the early evening, with the severe thunderstorm threat ending. Elevated instability is progged to remain overnight, with scattered showers and isolated thunderstorms still possible. The quasi stationary front will remain across the area on Friday, under westerly flow aloft. With building diurnal instability, expect an increase in coverage of showers and thunderstorms again through the day. Increasing flow aloft and MU CAPE from 1000-1500 j/kg could result in a marginal potential for damaging wind gusts again Friday afternoon and early evening (as highlighted in the SPC day 2 outlook.) A locally heavy rainfall potential will also continue with the quasi stationary front across the area. Will continue to highlight this and the severe storm potential in the Hazardous Weather Outlook. Models indicate a vort max in broad upper troughing will track across the region Friday night into early Saturday. This should result in another round of showers and thunderstorms crossing the region, with a locally heavy rain potential. This wave should drive the front further south later on Saturday, with some decrease in rain chances especially north of PIT. Another shortwave and surface low are expected to develop and track east along the front Saturday night, returning the front northward as a warm front. This should maintain a chance of showers across the region overnight. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... KEY MESSAGES: - Unsettled weather Sunday through Tuesday - Dry Wednesday ------------------------------------------------------------------- Models have trended toward a stronger shortwave trough crossing the Upper Ohio Valley region on Sunday, as a surface low tracks along the quasi stationary front to our south. The GFS is an outlier, developing a stronger surface low and pulling the front back farther northward than most other guidance. Stayed close to the ensemble solution, resulting in increasing shower and thunderstorm chances through the day with the passing wave. Another trough is progged to tack from the Upper Midwest to the Great Lakes and Upper Ohio Valley region Monday and Tuesday. Shower and thunderstorm chances will again increase with the approach and passage of the trough. Dry weather is expected to return on Wednesday as the trough exits, and surface high pressure builds in. Temperatures are expected to average near seasonable levels through the period. && .AVIATION /15Z THURSDAY THROUGH MONDAY/... General VFR conditions are expected through the TAF period, with the exception of localized restrictions with afternoon/evening convection. Mid/upper level clouds will increase through the morning hours. Isolated to scattered showers and thunderstorms are possible later this afternoon and early evening, with the greatest coverage mainly north of KPIT. Guidance leans towards lower coverage than previously anticipated, and quickly- dissipating storms as they cross western PA. There is low confidence on the continuation of showers after 00z. Generally have kept prevailing SHRA where confidence in showers/storms is highest, and Prob30s covering the most likely window of potential thunderstorms at each terminal. Showers and storms look to remain fairly high-based, so any restrictions will likely be limited to brief visibility reductions. Fog may develop into the overnight near terminals that do see rainfall. Outlook... Widespread MVFR/IFR ceiling restrictions are expected Friday as a series of shortwaves brings continued shower and thunderstorm chances Friday and Saturday. && .PBZ WATCHES/WARNINGS/ADVISORIES... PA...None. OH...None. WV...None. && SYNOPSIS...WM NEAR TERM...WM/CL SHORT TERM...WM LONG TERM...WM AVIATION...88
Hazardous Weather Outlook National Weather Service Pittsburgh PA 349 AM EDT Thu Jun 5 2025 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>022-029- 031-073>075-077-078-WVZ001>004-012-021-509-060800- Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest- Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-Armstrong- Washington-Greene-Westmoreland-Higher Elevations of Westmoreland- Fayette-Indiana-Higher Elevations of Indiana-Hancock-Brooke-Ohio- Marshall-Wetzel-Marion-Monongalia- 349 AM EDT Thu Jun 5 2025 This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia. .DAY ONE...Today and tonight. Showers and thunderstorm chances are expected to increase today with an approaching cold front. There is a Marginal Risk, or level 1 out of 5, for severe thunderstorms this afternoon and early evening. The main hazard is expected to be damaging wind gusts, though isolated instances of large hail is also possible. In addition, locally heavy rainfall could result in localized flash flooding this afternoon into tonight, especially for areas that see multiple rounds of showers and thunderstorms. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The front will stall across the region Friday and Friday night, with additional rounds of showers and thunderstorms. There is a Marginal Risk, or level 1 out of 5, for severe thunderstorms Friday afternoon and evening, mainly along and south of Interstate 80. Damaging wind is expected to be the main hazard. In addition, locally heavy rainfall could result in localized flash flooding Friday and Friday night, especially for areas that see multiple rounds of showers and thunderstorms. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. PAZ076-WVZ510>514-060800- Higher Elevations of Fayette- Ridges of Eastern Monongalia and Northwestern Preston-Preston- Eastern Preston-Western Tucker-Eastern Tucker- 349 AM EDT Thu Jun 5 2025 This Hazardous Weather Outlook is for southwest Pennsylvania and northern West Virginia. .DAY ONE...Today and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. A cold front will approach the area tonight, and become stationary through Friday night. Rounds of showers and thunderstorms are expected along the front. There is a Marginal Risk, or level 1 out of 5, for severe thunderstorms Friday afternoon and evening. The main hazard is expected to be damaging wind. In addition, locally heavy rainfall could result in localized flash flooding, especially for areas that see multiple rounds of showers and thunderstorms. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. WM
The Pittsburgh radar (KPBZ), 94 km away, was scanning. The volume nearest the first event began at 17:49 UTC.
4 thunderstorm wind. Local standard time, as filed.
Public reported a tree snapped near the intersection of Carlisle Road and Hilltop Road.
Numerous tree branches between 1 to 3 inches in diameter were snapped with the largest 5 inches in diameter.
Report of a tree down on North Washington Road in Washington Township.
A tree was reported down on State Route 857.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2025Every state in 2025This day in weather historyWarnings in Pennsylvania, June 2025
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: 1278607, 1278608, 1278612, 1278613.