Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 455
NWS Storm Prediction Center Norman OK
120 PM EDT Thu Aug 27 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Far northwest Connecticut
Far western Massachusetts
South-central and southeast New York
Far northeast Pennsylvania
* Effective this Thursday afternoon and evening from 120 PM until
700 PM EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Multiple supercells will spread east-southeast across the
region this afternoon with a risk for all severe hazards.
The tornado watch area is approximately along and 45 statute miles
north and south of a line from 5 miles south southwest of Ithaca NY
to 35 miles east northeast of Poughkeepsie NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 454...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 28040.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 455 TORNADO CT MA NY PA 271720Z - 272300Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
5SSW ITH/ITHACA NY/ - 35ENE POU/POUGHKEEPSIE NY/
..AVIATION COORDS.. 40NM N/S /47SSW SYR - 26WSW BDL/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28040.
LAT...LON 43067649 42477325 41177325 41767649
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 455 Status Report Messages:
STATUS REPORT #6 ON WW 455
VALID 272135Z - 272240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC007-025-105-107-109-272240-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME DELAWARE SULLIVAN
TIOGA TOMPKINS
$$
PAC103-115-127-272240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
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.
$$
STATUS REPORT #5 ON WW 455
VALID 272130Z - 272240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNW ITH
TO 10 N BGM TO 25 NW MSV TO 20 W POU TO 25 SSW BDL.
..JEWELL..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC007-025-027-105-107-109-111-272240-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME DELAWARE DUTCHESS
SULLIVAN TIOGA TOMPKINS
ULSTER
$$
PAC103-115-127-272240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 455
VALID 272045Z - 272200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 N ITH TO
20 W POU TO 30 E POU.
..SMITH..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC005-272200-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
LITCHFIELD
$$
NYC007-025-027-105-107-109-111-272200-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME DELAWARE DUTCHESS
SULLIVAN TIOGA TOMPKINS
ULSTER
$$
PAC103-115-127-272200-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 455
VALID 271955Z - 272045Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SW SYR TO
30 NE MSV TO 30 W BDL.
..SMITH..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC005-272045-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
LITCHFIELD
$$
NYC007-017-023-025-027-105-107-109-111-272045-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CHENANGO CORTLAND
DELAWARE DUTCHESS SULLIVAN
TIOGA TOMPKINS ULSTER
$$
PAC103-115-127-272045-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 455
VALID 271910Z - 272000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 W ALB TO
40 WSW PSF TO 25 S PSF.
..SMITH..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC005-272000-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
LITCHFIELD
$$
NYC007-017-023-025-027-077-105-107-109-111-272000-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CHENANGO CORTLAND
DELAWARE DUTCHESS OTSEGO
SULLIVAN TIOGA TOMPKINS
ULSTER
$$
PAC103-115-127-272000-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 455
VALID 271740Z - 271900Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..08/27/20
ATTN...WFO...ALY...BGM...
&&
STATUS REPORT FOR WT 455
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC005-271900-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
LITCHFIELD
$$
MAC003-271900-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE
$$
NYC007-017-021-023-025-027-039-077-105-107-109-111-271900-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CHENANGO COLUMBIA
CORTLAND DELAWARE DUTCHESS
GREENE OTSEGO SULLIVAN
TIOGA TOMPKINS ULSTER
$$
PAC103-115-127-271900-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
PIKE SUSQUEHANNA WAYNE
$$
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
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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.