Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 597
NWS Storm Prediction Center Norman OK
120 PM EDT Mon Aug 5 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern and Western New York
Northeast Ohio
Northern Pennsylvania
Lake Erie
* Effective this Monday afternoon and evening from 120 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...Scattered thunderstorms are expected to intensify across
the watch area through the afternoon. The strongest cells will pose
a risk of locally damaging winds gusts and perhaps hail.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 30 miles west northwest
of Youngstown OH to 30 miles southeast of Utica NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 596...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 597 SEVERE TSTM NY OH PA LE 051720Z - 060000Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
30WNW YNG/YOUNGSTOWN OH/ - 30SE UCA/UTICA NY/
..AVIATION COORDS.. 50NM N/S /29E CLE - 50NNE HNK/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27030.
LAT...LON 42288121 43717496 41977496 40558121
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 597 Status Report Messages:
STATUS REPORT #3 ON WW 597
VALID 052350Z - 060040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ENE CLE
TO 30 SW JHW TO 25 NW ELM TO 35 SE ROC TO 10 ENE ROC.
..GOSS..08/05/24
ATTN...WFO...BUF...BGM...CLE...PBZ...CTP...
&&
STATUS REPORT FOR WS 597
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
PAC023-033-035-047-081-083-105-113-117-123-060040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CAMERON CLEARFIELD CLINTON
ELK LYCOMING MCKEAN
POTTER SULLIVAN TIOGA
WARREN
$$
LEZ020-060040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
UPPER NIAGARA RIVER AND BUFFALO HARBOR
$$
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.
$$
STATUS REPORT #2 ON WW 597
VALID 052240Z - 052340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE CLE TO
30 SW JHW TO 40 NNE BFD TO 30 SSW ROC TO 15 WSW ROC.
..GOSS..08/05/24
ATTN...WFO...BUF...BGM...CLE...PBZ...CTP...
&&
STATUS REPORT FOR WS 597
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-007-009-011-015-017-023-025-051-053-055-067-069-077-097-
099-101-107-109-117-123-052340-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE LIVINGSTON
MADISON MONROE ONONDAGA
ONTARIO OTSEGO SCHUYLER
SENECA STEUBEN TIOGA
TOMPKINS WAYNE YATES
$$
OHC007-055-099-133-155-052340-
OH
. OHIO COUNTIES INCLUDED ARE
ASHTABULA GEAUGA MAHONING
PORTAGE TRUMBULL
$$
PAC005-015-019-023-031-033-035-039-047-053-065-073-081-083-085-
105-113-115-117-121-123-131-052340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ARMSTRONG BRADFORD BUTLER
CAMERON CLARION CLEARFIELD
CLINTON CRAWFORD ELK
FOREST JEFFERSON LAWRENCE
LYCOMING MCKEAN MERCER
POTTER SULLIVAN SUSQUEHANNA
TIOGA VENANGO WARREN
WYOMING
$$
LEZ020-052340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
UPPER NIAGARA RIVER AND BUFFALO HARBOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 597
VALID 052100Z - 052240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..08/05/24
ATTN...WFO...BUF...BGM...CLE...PBZ...CTP...
&&
STATUS REPORT FOR WS 597
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-007-009-011-013-015-017-023-025-029-037-051-053-055-063-
067-069-073-077-097-099-101-107-109-117-121-123-052240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHAUTAUQUA CHEMUNG
CHENANGO CORTLAND DELAWARE
ERIE GENESEE LIVINGSTON
MADISON MONROE NIAGARA
ONONDAGA ONTARIO ORLEANS
OTSEGO SCHUYLER SENECA
STEUBEN TIOGA TOMPKINS
WAYNE WYOMING YATES
$$
OHC007-055-085-099-133-155-052240-
OH
. OHIO COUNTIES INCLUDED ARE
ASHTABULA GEAUGA LAKE
MAHONING PORTAGE TRUMBULL
$$
PAC005-015-019-023-031-033-035-039-047-049-053-065-073-081-083-
085-105-113-115-117-121-123-131-052240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ARMSTRONG BRADFORD BUTLER
CAMERON CLARION CLEARFIELD
CLINTON CRAWFORD ELK
ERIE FOREST JEFFERSON
LAWRENCE LYCOMING MCKEAN
MERCER POTTER SULLIVAN
SUSQUEHANNA TIOGA VENANGO
WARREN WYOMING
$$
LEZ020-040-041-147-148-149-052240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
UPPER NIAGARA RIVER AND BUFFALO HARBOR
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
$$
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.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.