Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Low Low

Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.

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SEL8 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 378 NWS Storm Prediction Center Norman OK 120 PM EDT Thu Jul 16 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western New York Eastern Ohio Western Pennsylvania Northern Panhandle of West Virginia Lake Erie Lake Ontario * Effective this Thursday afternoon and evening from 120 PM until 900 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Scattered thunderstorms are expected to develop this afternoon across eastern Ohio and spread into parts of western New York and western Pennsylvania. The stronger storms will be capable of gusty/damaging wind gusts and some hail. An isolated tornado or two cannot be ruled out. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 30 miles north northeast of Buffalo NY to 35 miles south southwest of Wheeling WV. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25030. ...Hart Click for Watch Status Reports

Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Low Low SEL8 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 378 NWS Storm Prediction Center Norman OK 120 PM EDT Thu Jul 16 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western New York Eastern Ohio Western Pennsylvania Northern Panhandle of West Virginia Lake Erie Lake Ontario * Effective this Thursday afternoon and evening from 120 PM until 900 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Scattered thunderstorms are expected to develop this afternoon across eastern Ohio and spread into parts of western New York and western Pennsylvania. The stronger storms will be capable of gusty/damaging wind gusts and some hail. An isolated tornado or two cannot be ruled out. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 30 miles north northeast of Buffalo NY to 35 miles south southwest of Wheeling WV. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25030. ...Hart

Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Low Low

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WOUS64 KWNS 161717 WOU8 BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 378 NWS STORM PREDICTION CENTER NORMAN OK 120 PM EDT THU JUL 16 2020 SEVERE THUNDERSTORM WATCH 378 IS IN EFFECT UNTIL 900 PM EDT FOR THE FOLLOWING LOCATIONS NYC003-009-013-029-037-051-055-063-069-073-117-121-170100- /O.NEW.KWNS.SV.A.0378.200716T1720Z-200717T0100Z/ NY . NEW YORK COUNTIES INCLUDED ARE ALLEGANY CATTARAUGUS CHAUTAUQUA ERIE GENESEE LIVINGSTON MONROE NIAGARA ONTARIO ORLEANS WAYNE WYOMING OHC007-013-019-029-031-035-055-059-067-075-081-085-099-103-111- 119-121-133-151-153-155-157-169-170100- /O.NEW.KWNS.SV.A.0378.200716T1720Z-200717T0100Z/ OH . OHIO COUNTIES INCLUDED ARE ASHTABULA BELMONT CARROLL COLUMBIANA COSHOCTON CUYAHOGA GEAUGA GUERNSEY HARRISON HOLMES JEFFERSON LAKE MAHONING MEDINA MONROE MUSKINGUM NOBLE PORTAGE STARK SUMMIT TRUMBULL TUSCARAWAS WAYNE PAC003-005-007-019-021-023-031-033-039-047-049-051-053-059-063- 065-073-083-085-105-111-121-123-125-129-170100- /O.NEW.KWNS.SV.A.0378.200716T1720Z-200717T0100Z/ PA . PENNSYLVANIA COUNTIES INCLUDED ARE ALLEGHENY ARMSTRONG BEAVER BUTLER CAMBRIA CAMERON CLARION CLEARFIELD CRAWFORD ELK ERIE FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MCKEAN MERCER POTTER SOMERSET VENANGO WARREN WASHINGTON WESTMORELAND WVC009-029-051-069-170100- /O.NEW.KWNS.SV.A.0378.200716T1720Z-200717T0100Z/ WV . WEST VIRGINIA COUNTIES INCLUDED ARE BROOKE HANCOCK MARSHALL OHIO LEZ020-040-041-061-146-147-148-149-166-167-168-169-LOZ030-042-043- 170100- /O.NEW.KWNS.SV.A.0378.200716T1720Z-200717T0100Z/ CW . ADJACENT COASTAL WATERS INCLUDED ARE UPPER NIAGARA RIVER AND BUFFALO HARBOR RIPLEY TO DUNKIRK NY DUNKIRK TO BUFFALO NY RIPLEY TO BUFFALO NY EXTENDING FROM 5NM OFF SHORELINE TO US-CANADIAN BORDER AVON POINT TO WILLOWICK OH WILLOWICK TO GENEVA-ON-THE LAKE OH GENEVA-ON-THE-LAKE TO CONNEAUT OH CONNEAUT OH TO RIPLEY NY AVON POINT TO WILLOWICK OH BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO US-CANADIAN BORDER GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER CONNEAUT OH TO RIPLEY NY BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER LOWER NIAGARA RIVER NIAGARA RIVER TO HAMLIN BEACH NY HAMLIN BEACH TO SODUS BAY NY ATTN...WFO...BUF...CLE...PBZ...CTP... Click for Watch Status Reports

Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Low Low

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.

SAW8 WW 378 SEVERE TSTM NY OH PA WV LE LO 161720Z - 170100Z AXIS..85 STATUTE MILES EAST AND WEST OF LINE.. 30NNE BUF/BUFFALO NY/ - 35SSW HLG/WHEELING WV/ ..AVIATION COORDS.. 75NM E/W /25NNE BUF - 19SSW AIR/ HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25030. LAT...LON 43327681 39707930 39708250 43328019 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU8. Watch 378 Status Report Messages: STATUS REPORT #4 ON WW 378 VALID 170020Z - 170140Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 ENE MGW TO 20 SW DUJ TO 25 NW DUJ TO 15 NNE FKL TO 20 NE JHW TO 10 ESE BUF TO 35 NW ROC. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1244 ..LYONS..07/17/20 ATTN...WFO...BUF...CLE...PBZ...CTP... && STATUS REPORT FOR WS 378 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NYC003-009-037-051-055-069-073-117-121-170140- NY . NEW YORK COUNTIES INCLUDED ARE ALLEGANY CATTARAUGUS GENESEE LIVINGSTON MONROE ONTARIO ORLEANS WAYNE WYOMING $$ PAC021-023-033-047-053-063-065-083-105-111-123-170140- PA . PENNSYLVANIA COUNTIES INCLUDED ARE CAMBRIA CAMERON CLEARFIELD ELK FOREST INDIANA JEFFERSON MCKEAN POTTER SOMERSET WARREN $$ LOZ030-043-170140- CW . ADJACENT COASTAL WATERS INCLUDED ARE LOWER NIAGARA RIVER HAMLIN BEACH TO SODUS BAY NY $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$ STATUS REPORT #3 ON WW 378 VALID 162320Z - 170040Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WNW MGW TO 15 NNE PIT TO 20 SSE ERI TO 30 NNE ERI TO 65 WNW BUF. ..LYONS..07/16/20 ATTN...WFO...BUF...CLE...PBZ...CTP... && STATUS REPORT FOR WS 378 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NYC003-009-013-029-037-051-055-063-069-073-117-121-170040- NY . NEW YORK COUNTIES INCLUDED ARE ALLEGANY CATTARAUGUS CHAUTAUQUA ERIE GENESEE LIVINGSTON MONROE NIAGARA ONTARIO ORLEANS WAYNE WYOMING $$ PAC003-005-019-021-023-031-033-047-051-053-059-063-065-083-105- 111-121-123-129-170040- PA . PENNSYLVANIA COUNTIES INCLUDED ARE ALLEGHENY ARMSTRONG BUTLER CAMBRIA CAMERON CLARION CLEARFIELD ELK FAYETTE FOREST GREENE INDIANA JEFFERSON MCKEAN POTTER SOMERSET VENANGO WARREN WESTMORELAND $$ LEZ020-040-041-061-LOZ030-042-043-170040- CW . ADJACENT COASTAL WATERS INCLUDED ARE LOWER NIAGARA RIVER NIAGARA RIVER TO HAMLIN BEACH NY HAMLIN BEACH TO SODUS BAY NY UPPER NIAGARA RIVER AND BUFFALO HARBOR RIPLEY TO DUNKIRK NY DUNKIRK TO BUFFALO NY RIPLEY TO BUFFALO NY EXTENDING FROM 5NM OFF SHORELINE TO US-CANADIAN BORDER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$ STATUS REPORT #2 ON WW 378 VALID 162140Z - 162240Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 N PKB TO 30 NW HLG TO 15 W YNG TO 40 WNW ERI. ..LYONS..07/16/20 ATTN...WFO...BUF...CLE...PBZ...CTP... && STATUS REPORT FOR WS 378 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NYC003-009-013-029-037-051-055-063-069-073-117-121-162240- NY . NEW YORK COUNTIES INCLUDED ARE ALLEGANY CATTARAUGUS CHAUTAUQUA ERIE GENESEE LIVINGSTON MONROE NIAGARA ONTARIO ORLEANS WAYNE WYOMING $$ OHC007-013-019-029-067-081-099-111-155-162240- OH . OHIO COUNTIES INCLUDED ARE ASHTABULA BELMONT CARROLL COLUMBIANA HARRISON JEFFERSON MAHONING MONROE TRUMBULL $$ PAC003-005-007-019-021-023-031-033-039-047-049-051-053-059-063- 065-073-083-085-105-111-121-123-125-129-162240- PA . PENNSYLVANIA COUNTIES INCLUDED ARE ALLEGHENY ARMSTRONG BEAVER BUTLER CAMBRIA CAMERON CLARION CLEARFIELD CRAWFORD ELK ERIE FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MCKEAN MERCER POTTER SOMERSET VENANGO WARREN WASHINGTON WESTMORELAND $$ WVC009-029-051-069-162240- WV . WEST VIRGINIA COUNTIES INCLUDED ARE BROOKE HANCOCK MARSHALL OHIO $$ LEZ020-040-041-061-148-149-168-169-LOZ030-042-043-162240- CW . ADJACENT COASTAL WATERS INCLUDED ARE LOWER NIAGARA RIVER NIAGARA RIVER TO HAMLIN BEACH NY HAMLIN BEACH TO SODUS BAY NY UPPER NIAGARA RIVER AND BUFFALO HARBOR RIPLEY TO DUNKIRK NY DUNKIRK TO BUFFALO NY RIPLEY TO BUFFALO NY EXTENDING FROM 5NM OFF SHORELINE TO US-CANADIAN BORDER GENEVA-ON-THE-LAKE TO CONNEAUT OH CONNEAUT OH TO RIPLEY NY GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER CONNEAUT OH TO RIPLEY NY BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$ STATUS REPORT #1 ON WW 378 VALID 161850Z - 161940Z THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..MOSIER..07/16/20 ATTN...WFO...BUF...CLE...PBZ...CTP... && STATUS REPORT FOR WS 378 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NYC003-009-013-029-037-051-055-063-069-073-117-121-161940- NY . NEW YORK COUNTIES INCLUDED ARE ALLEGANY CATTARAUGUS CHAUTAUQUA ERIE GENESEE LIVINGSTON MONROE NIAGARA ONTARIO ORLEANS WAYNE WYOMING $$ OHC007-013-019-029-031-035-055-059-067-075-081-085-099-103-111- 119-121-133-151-153-155-157-169-161940- OH . OHIO COUNTIES INCLUDED ARE ASHTABULA BELMONT CARROLL COLUMBIANA COSHOCTON CUYAHOGA GEAUGA GUERNSEY HARRISON HOLMES JEFFERSON LAKE MAHONING MEDINA MONROE MUSKINGUM NOBLE PORTAGE STARK SUMMIT TRUMBULL TUSCARAWAS WAYNE $$ PAC003-005-007-019-021-023-031-033-039-047-049-051-053-059-063- 065-073-083-085-105-111-121-123-125-129-161940- PA . PENNSYLVANIA COUNTIES INCLUDED ARE ALLEGHENY ARMSTRONG BEAVER BUTLER CAMBRIA CAMERON CLARION CLEARFIELD CRAWFORD ELK ERIE FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MCKEAN MERCER POTTER SOMERSET VENANGO WARREN WASHINGTON WESTMORELAND $$ WVC009-029-051-069-161940- WV . WEST VIRGINIA COUNTIES INCLUDED ARE BROOKE HANCOCK MARSHALL OHIO $$ LEZ020-040-041-061-146-147-148-149-166-167-168-169-LOZ030-042-043- 161940- CW . ADJACENT COASTAL WATERS INCLUDED ARE LOWER NIAGARA RIVER NIAGARA RIVER TO HAMLIN BEACH NY HAMLIN BEACH TO SODUS BAY NY UPPER NIAGARA RIVER AND BUFFALO HARBOR RIPLEY TO DUNKIRK NY DUNKIRK TO BUFFALO NY RIPLEY TO BUFFALO NY EXTENDING FROM 5NM OFF SHORELINE TO US-CANADIAN BORDER AVON POINT TO WILLOWICK OH WILLOWICK TO GENEVA-ON-THE LAKE OH GENEVA-ON-THE-LAKE TO CONNEAUT OH CONNEAUT OH TO RIPLEY NY AVON POINT TO WILLOWICK OH BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO US-CANADIAN BORDER GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER CONNEAUT OH TO RIPLEY NY BEYOND 5 NM OFF SHORELINE TO US-CANADIAN BORDER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$