Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 385
NWS Storm Prediction Center Norman OK
1250 PM EDT Sun Jul 19 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western New York
Lake Erie
Lake Ontario
* Effective this Sunday afternoon and evening from 1250 PM until
700 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A line of thunderstorms over Ontario will track into
western New York this afternoon, posing a risk of locally damaging
wind gusts.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 15 miles southeast of
Jamestown NY to 20 miles north of Watertown NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 384...
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
27035.
...Hart
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 385
NWS Storm Prediction Center Norman OK
1250 PM EDT Sun Jul 19 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western New York
Lake Erie
Lake Ontario
* Effective this Sunday afternoon and evening from 1250 PM until
700 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A line of thunderstorms over Ontario will track into
western New York this afternoon, posing a risk of locally damaging
wind gusts.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 15 miles southeast of
Jamestown NY to 20 miles north of Watertown NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 384...
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
27035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 385 SEVERE TSTM NY LE LO 191650Z - 192300Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
15SE JHW/JAMESTOWN NY/ - 20N ART/WATERTOWN NY/
..AVIATION COORDS.. 50NM E/W /12SSE JHW - 64SSW YOW/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 41998021 44287723 44287481 41997787
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 385 Status Report Messages:
STATUS REPORT #5 ON WW 385
VALID 192140Z - 192240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE ERI TO
15 NE JHW TO 5 W BFD TO 45 WSW ELM TO 15 NE ELM TO 30 SE SYR.
..COOK..07/19/20
ATTN...WFO...BUF...BGM...
&&
STATUS REPORT FOR WS 385
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC013-192240-
NY
. NEW YORK COUNTIES INCLUDED ARE
CHAUTAUQUA
$$
LEZ020-SLZ022-024-192240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
UPPER NIAGARA RIVER AND BUFFALO HARBOR
ST. LAWRENCE RIVER ABOVE OGDENSBURG NY
ST. LAWRENCE RIVER FROM OGDENSBURG TO ST. REGIS NY
$$
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.
$$
STATUS REPORT #4 ON WW 385
VALID 192040Z - 192140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE ERI TO
15 WSW SYR.
..GOSS..07/19/20
ATTN...WFO...BUF...BGM...
&&
STATUS REPORT FOR WS 385
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-051-069-099-101-123-192140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA LIVINGSTON ONTARIO
SENECA STEUBEN YATES
$$
LEZ020-SLZ022-024-192140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
UPPER NIAGARA RIVER AND BUFFALO HARBOR
ST. LAWRENCE RIVER ABOVE OGDENSBURG NY
ST. LAWRENCE RIVER FROM OGDENSBURG TO ST. REGIS 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 385
VALID 192000Z - 192140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNW JHW
TO 25 ENE ROC TO 25 NNW ART.
..GOSS..07/19/20
ATTN...WFO...BUF...BGM...
&&
STATUS REPORT FOR WS 385
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-069-075-099-101-117-
121-123-192140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE ONTARIO OSWEGO
SENECA STEUBEN WAYNE
WYOMING YATES
$$
LEZ020-040-041-LOZ044-045-064-065-SLZ022-024-192140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
SODUS BAY TO MEXICO BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
MEXICO BAY NY TO THE ST. LAWRENCE RIVER BEYOND 5NM OFF SHORELINE
TO US-CANADIAN BORDER
UPPER NIAGARA RIVER AND BUFFALO HARBOR
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
ST. LAWRENCE RIVER ABOVE OGDENSBURG NY
ST. LAWRENCE RIVER FROM OGDENSBURG TO ST. REGIS NY
$$
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.
$$
STATUS REPORT #2 ON WW 385
VALID 191900Z - 192040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NW BUF TO
30 NW ROC TO 40 WNW ART.
..GOSS..07/19/20
ATTN...WFO...BUF...BGM...
&&
STATUS REPORT FOR WS 385
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-063-069-073-075-099-
101-117-121-123-192040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE NIAGARA ONTARIO
ORLEANS OSWEGO SENECA
STEUBEN WAYNE WYOMING
YATES
$$
LEZ020-040-041-LOZ043-044-045-063-064-065-SLZ022-024-192040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
HAMLIN BEACH TO SODUS BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
SODUS BAY TO MEXICO BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
MEXICO BAY NY TO THE ST. LAWRENCE RIVER BEYOND 5NM OFF SHORELINE
TO US-CANADIAN BORDER
UPPER NIAGARA RIVER AND BUFFALO HARBOR
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
ST. LAWRENCE RIVER ABOVE OGDENSBURG NY
ST. LAWRENCE RIVER FROM OGDENSBURG TO ST. REGIS 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 #1 ON WW 385
VALID 191740Z - 191840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NNW YNG
TO 120 NNW ROC.
..MOORE..07/19/20
ATTN...WFO...BUF...BGM...
&&
STATUS REPORT FOR WS 385
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-063-069-073-075-099-
101-117-121-123-191840-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE NIAGARA ONTARIO
ORLEANS OSWEGO SENECA
STEUBEN WAYNE WYOMING
YATES
$$
LEZ020-040-041-LOZ030-042-043-044-045-062-063-064-065-SLZ022-024-
191840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LOWER NIAGARA RIVER
NIAGARA RIVER TO HAMLIN BEACH NY
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
NIAGARA RIVER TO HAMLIN BEACH NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
HAMLIN BEACH TO SODUS BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
SODUS BAY TO MEXICO BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
MEXICO BAY NY TO THE ST. LAWRENCE RIVER BEYOND 5NM OFF SHORELINE
TO US-CANADIAN BORDER
UPPER NIAGARA RIVER AND BUFFALO HARBOR
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
ST. LAWRENCE RIVER ABOVE OGDENSBURG NY
ST. LAWRENCE RIVER FROM OGDENSBURG TO ST. REGIS NY
$$
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
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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.