819
NOUS41 KPBZ 202025
PNSPBZ
PAZ015-016-073-074-210830-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
425 PM EDT MON JUL 20 2026
..NWS DAMAGE SURVEY FOR JULY 18, 2026 TORNADOES...UPDATE #1
UPDATE
UPDATING TO INCLUDE WESTMORELAND COUNTY TORNADOES
.LIMESTONE TORNADO
RATING: EF1
ESTIMATED PEAK WIND: 90 MPH
PATH LENGTH /STATUTE/: 1.53 MILES
PATH WIDTH /MAXIMUM/: 0 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/18/2026
START TIME: 03:54 PM EDT
START LOCATION: 5 S STRATTANVILLE / CLARION COUNTY / PA
START LAT/LON: 41.1271 / -79.3287
END DATE: 07/18/2026
END TIME: 04:00 PM EDT
END LOCATION: 6 W SUMMERVILLE / CLARION COUNTY / PA
END LAT/LON: 41.1197 / -79.3011
SURVEY SUMMARY:
NWS PITTSBURGH HAS CONFIRMED A EF1 TORNADO OCCURRED NEAR
LIMESTONE ASA STORM CROSSED NORTHERN CLARION COUNTY ON JULY 18,
2026.
ALONG ROUTE 66, THERE WAS A LARGE, UPROOTED TREE THAT FELL ON A
HOUSE. THIS WAS IN ADDITION TO SMALL TREES ON THE PROPERTY WITH
SNAPPED BRANCHES AND UPROOTED SMALLER TREES. ALONG TRAIL 682,
THERE WAS A GROUP OF TREES SNAPPED MID-TRUNK. IN THIS AREA THERE
WAS ALSO ANOTHER LARGE TREE UPROOTED. DAMAGE HERE WAS CONSISTENT
WITH WIND GUSTS AROUND 90 MPH, ON THE LOW END OF EF1 RANGE.
THE STORM THEN CONTINUED EAST-SOUTHEAST WHERE MORE DAMAGE WAS
NOTED ALONG OLEAN TRAIL. HERE, A TREE HAD SNAPPED BRANCHES AND
ANOTHER TREE ON A HILL TOP WAS SNAPPED MID-TRUNK. NO OTHER DAMAGE
WAS NOTED FURTHER EAST.
NWS PITTSBURGH APPRECIATES THE PHOTO AND VIDEO IMAGERY PROVIDED
BY CLARION COUNTY EMA AND JEFFERSON COUNTY EMA.
.PUNXSUTAWNEY TORNADO
RATING: EF0
ESTIMATED PEAK WIND: 80 MPH
PATH LENGTH /STATUTE/: 0.22 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/18/2026
START TIME: 04:44 PM EDT
START LOCATION: 1 NE PUNXSUTAWNEY / JEFFERSON COUNTY / PA
START LAT/LON: 40.957 / -78.9593
END DATE: 07/18/2026
END TIME: 04:47 PM EDT
END LOCATION: 1 NE PUNXSUTAWNEY / JEFFERSON COUNTY / PA
END LAT/LON: 40.9577 / -78.9556
SURVEY SUMMARY:
NWS HAS CONFIRMED A SECOND TORNADO OF EF0 INTENSITY OCCURRED
FROMTHE SAME STORM AS IT CROSSED NEAR PUNXSUTAWNEY ON JULY 18,
2026.
THE STORM MOVED INTO AREAS JUST NORTH OF PUNXSUTAWNEY AND CAUSED
DAMAGE TO A BMX TRACK. THE TRACK WAS JUST OFF TO THE EAST OF
SCOTLAND AVE. HERE, THERE WERE NUMEROUS INSTANCES OF UPROOTED
SMALL TREES. THE DAMAGE TO THE TREES WERE INDICATIVE OF WIND
GUSTSUP TO 80 MPH. THE TORNADO CURVED NORTHEASTERLY ALONG GRAFFIUS
AVE, CONSISTENT WITH A RAPID OCCLUSION OF THE CIRCULATION AT THE
END OF ITS BRIEF EXISTENCE.
NWS PITTSBURGH APPRECIATES THE PHOTO AND VIDEO IMAGERY PROVIDED
BY JEFFERSON COUNTY EMA AND PUNXSUTAWNEY FIRE DEPARTMENT.
.LATROBE TORNADO
RATING: EF0
ESTIMATED PEAK WIND: 75 MPH
PATH LENGTH /STATUTE/: 0.62 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/18/2026
START TIME: 04:51 PM EDT
START LOCATION: 1 NNW LATROBE / WESTMORELAND COUNTY / PA
START LAT/LON: 40.3348 / -79.3835
END DATE: 07/18/2026
END TIME: 04:54 PM EDT
END LOCATION: 1 N LATROBE / WESTMORELAND COUNTY / PA
END LAT/LON: 40.3298 / -79.374
SURVEY SUMMARY:
A BRIEF TORNADO OCCURRED ON JULY 18, 2026 TO THE NORTH OF
LATROBE.
AN AERIAL DAMAGE SURVEY SUGGESTS THE TORNADO BEGAN NEAR RED CUT
LODGE RD, AND PROGRESSED SOUTHEAST, CROSSING ROUTE 981 BEFORE
DISSIPATING.AN EARLIER TORNADO LSR WAS ISSUED CONFIRMING THIS
TORNADO.
NO DAMAGE TO CROPS OR TREES WAS EVIDENT ALONG STEWART RD WHERE
THE LSR WAS ISSUED.DAMAGE WITH THE TORNADO WAS CONSISTENT WITH
WIND GUSTS UP TO 75 MPH, WHICH LEADS TO THIS TORNADO BEING RATED
EF0.
THE PATH LENGTH, WIDTH AND MAGNITUDE ARE ALL SUBJECT TO CHANGE
PENDING ADDITIONAL INFORMATION RECEIVED.
.DERRY TORNADO
RATING: EF0
ESTIMATED PEAK WIND: 70 MPH
PATH LENGTH /STATUTE/: 1.73 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/18/2026
START TIME: 05:08 PM EDT
START LOCATION: 2 SSE DERRY / WESTMORELAND COUNTY / PA
START LAT/LON: 40.3065 / -79.2945
END DATE: 07/18/2026
END TIME: 05:12 PM EDT
END LOCATION: 3 SE DERRY / WESTMORELAND COUNTY / PA
END LAT/LON: 40.295 / -79.266
SURVEY SUMMARY:
NWS PITTSBURGH HAS CONFIRMED A BRIEF TORNADO SOUTHEAST OF DERRY,
PA FROM A STORM ON JULY 18, 2026.
SPORADIC DAMAGE PRIMARILY TO TREES WAS NOTED ALONG A PATH
BEGINNING NEAR CAREY LN AND CONTINUING SOUTHEAST ACROSS MATSON RD
THROUGH HEAVILY WOODED AREAS. A REVIEW OF AERIAL PHOTOGRAPHY HAS
HELPED IDENTIFY IMPACTED AREAS INACCESSIBLE BY FOOT.
AT ITS PEAK, DAMAGE APPEARS CONSISTENT WITH WIND OF UP TO 70
MPH.BEYOND THIS POINT, NO DAMAGE WAS EVIDENT. HOWEVER, THE PATH,
MAGNITUDE AND WIDTH OF THE TORNADO IS SUBJECT TO CHANGE PENDING
ADDITIONAL REPORTED DAMAGE COMING TO LIGHT.
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES:
EF0.....65 TO 85 MPH
EF1.....86 TO 110 MPH
EF2.....111 TO 135 MPH
EF3.....136 TO 165 MPH
EF4.....166 TO 200 MPH
EF5.....>200 MPH
NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN
NWS STORM DATA.
KRAMAR/DS
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