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Severe Thunderstorm Warning 0257
Issued by the Pittsburgh Forecast Office

Action Issued Starts Expiration
New 2026-08-08 23:51:40 2026-08-08 23:51:00 2026-08-09 00:30:00
Continued 2026-08-09 00:01:40 2026-08-09 00:30:00
Continued 2026-08-09 00:12:10 2026-08-09 00:30:00
Cancelled 2026-08-09 00:18:55 2026-08-09 00:30:00


Action: New
Issued At: 2026-08-08 23:51:40

557 
WUUS51 KPBZ 090451
SVRPBZ
PAC051-059-125-090530-
/O.NEW.KPBZ.SV.W.0257.260809T0451Z-260809T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
1251 AM EDT Sun Aug 9 2026

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Northwestern Fayette County in southwestern Pennsylvania...
  Northeastern Greene County in southwestern Pennsylvania...
  Southeastern Washington County in southwestern Pennsylvania...

* Until 130 AM EDT.

* At 1251 AM EDT, a severe thunderstorm was located near Jefferson
  Boro, or 7 miles northeast of Waynesburg, moving east at 25 mph.

  HAZARD...60 mph wind gusts and small hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  California, Brownsville, Fredericktown-Millsboro, Jefferson Boro,
  Isabella, West Brownsville, Deemston, Republic, Marianna, Rices
  Landing, New Salem, Grindstone, Clarksville and Centerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 4001 8017 4003 8017 4006 7981 3989 7980
      3993 8017
TIME...MOT...LOC 0451Z 271DEG 21KT 3998 8012

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB


Action: Continued
Issued At: 2026-08-09 00:01:40

849 
WWUS51 KPBZ 090501
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
101 AM EDT Sun Aug 9 2026

PAC051-059-125-090530-
/O.CON.KPBZ.SV.W.0257.000000T0000Z-260809T0530Z/
Fayette PA-Greene PA-Washington PA-
101 AM EDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR
NORTHWESTERN FAYETTE, NORTHEASTERN GREENE AND SOUTHEASTERN WASHINGTON
COUNTIES...

At 101 AM EDT, a severe thunderstorm was located over
Fredericktown-Millsboro, or 9 miles northeast of Waynesburg, moving
east at 25 mph.

HAZARD...60 mph wind gusts and small hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  California, Brownsville, Fredericktown-Millsboro, Jefferson Boro,
  Isabella, West Brownsville, Deemston, Republic, Marianna, Rices
  Landing, New Salem, Grindstone, Clarksville and Centerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

Continuous cloud to ground lightning is occurring with this storm.
Lightning is one of natures leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3999 8011 4003 8011 4006 7981 3989 7980
      3992 8011
TIME...MOT...LOC 0451Z 271DEG 21KT 3998 8012

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB


Action: Continued
Issued At: 2026-08-09 00:12:10

086 
WWUS51 KPBZ 090511
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
111 AM EDT Sun Aug 9 2026

PAC051-059-125-090530-
/O.CON.KPBZ.SV.W.0257.000000T0000Z-260809T0530Z/
Fayette PA-Greene PA-Washington PA-
111 AM EDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR
NORTHWESTERN FAYETTE, NORTHEASTERN GREENE AND SOUTHEASTERN WASHINGTON
COUNTIES...

At 111 AM EDT, a severe thunderstorm was located over
Fredericktown-Millsboro, or 13 miles northeast of Waynesburg, moving
east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  California, Brownsville, Fredericktown-Millsboro, Isabella, West
  Brownsville, Deemston, Republic, Rices Landing, New Salem,
  Grindstone and Centerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

Continuous cloud to ground lightning is occurring with this storm.
Lightning is one of natures leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3998 8002 4004 8002 4006 7981 3989 7980
      3991 8002
TIME...MOT...LOC 0501Z 271DEG 21KT 3998 8004

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB


Action: Cancelled
Issued At: 2026-08-09 00:18:55

305 
WWUS51 KPBZ 090518
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
118 AM EDT Sun Aug 9 2026

PAC051-059-125-090528-
/O.CAN.KPBZ.SV.W.0257.000000T0000Z-260809T0530Z/
Fayette PA-Greene PA-Washington PA-
118 AM EDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN FAYETTE,
NORTHEASTERN GREENE AND SOUTHEASTERN WASHINGTON COUNTIES...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office.

&&

LAT...LON 3998 8002 4004 8002 4006 7981 3989 7980
      3991 8002
TIME...MOT...LOC 0511Z 271DEG 21KT 3998 7996

$$

MLB



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