Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 442
NWS STORM PREDICTION CENTER NORMAN OK
245 PM EDT SUN JUL 19 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN...CENTRAL...AND NORTHERN MASSACHUSETTS
FAR WESTERN MAINE
NEW HAMPSHIRE
EASTERN NEW YORK
VERMONT
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
1100 PM EDT.
* PRIMARY THREATS INCLUDE...
WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 75 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...SCATTERED THUNDERSTORMS EXPECTED TO FORM ACROSS WATCH AREA
THROUGH THE REMAINDER OF THE AFTERNOON AND EVENING...WITH ADDITIONAL
STORMS MOVING INTO THE WATCH FROM CENTRAL NY AND SOUTHERN ONTARIO.
SOME OF THE STORMS COULD BECOME SUPERCELLS AND BOW ECHOES WITH A
RISK FOR DAMAGING WIND...SOME HAIL...AND POSSIBLY A COUPLE
TORNADOES.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 75 MILES WEST OF
GLENS FALLS NEW YORK TO 35 MILES EAST SOUTHEAST OF MOUNT
WASHINGTON NEW HAMPSHIRE. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
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 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 28030.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 442 SEVERE TSTM MA ME NH NY VT 191845Z - 200300Z
AXIS..100 STATUTE MILES NORTH AND SOUTH OF LINE..
75W GFL/GLENS FALLS NY/ - 35ESE MWN/MOUNT WASHINGTON NH/
..AVIATION COORDS.. 85NM N/S /49ENE SYR - 39N ENE/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28030.
LAT...LON 44777511 45527065 42637065 41867511
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 442 Status Report Messages:
STATUS REPORT #4 ON WW 442
VALID 200150Z - 200240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNW BOS
TO 15 SE CON TO 20 ENE CON TO 15 W PWM.
..DIAL..07/20/15
ATTN...WFO...ALY...BOX...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC031-200240-
ME
. MAINE COUNTIES INCLUDED ARE
YORK
$$
MAC009-200240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX
$$
NHC015-017-200240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
ROCKINGHAM STRAFFORD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 442
VALID 200050Z - 200140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SE UCA TO
10 NNE ALB TO 25 ESE GFL TO 30 NNW RUT TO 25 N MPV TO 5 N EFK TO
25 NNE EFK.
..DIAL..07/20/15
ATTN...WFO...ALY...BOX...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC003-005-013-015-200140-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
HARTFORD LITCHFIELD TOLLAND
WINDHAM
$$
MEC001-005-017-031-200140-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND OXFORD
YORK
$$
MAC003-009-011-013-015-017-027-200140-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE ESSEX FRANKLIN
HAMPDEN HAMPSHIRE MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-200140-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC001-021-027-039-083-093-095-111-200140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY COLUMBIA DUTCHESS
GREENE RENSSELAER SCHENECTADY
SCHOHARIE ULSTER
$$
VTC001-003-005-009-017-019-021-023-025-027-200140-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
ESSEX ORANGE ORLEANS
RUTLAND WASHINGTON WINDHAM
WINDSOR
$$
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.
$$
STATUS REPORT #2 ON WW 442
VALID 192350Z - 200040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1487
..DIAL..07/19/15
ATTN...WFO...ALY...BOX...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC031-200040-
ME
. MAINE COUNTIES INCLUDED ARE
YORK
$$
MAC003-009-011-013-015-017-027-200040-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE ESSEX FRANKLIN
HAMPDEN HAMPSHIRE MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-200040-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC001-019-021-031-033-035-039-041-043-057-083-089-091-093-095-
113-115-200040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY CLINTON COLUMBIA
ESSEX FRANKLIN FULTON
GREENE HAMILTON HERKIMER
MONTGOMERY RENSSELAER ST. LAWRENCE
SARATOGA SCHENECTADY SCHOHARIE
WARREN WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
200040-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
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.
$$
STATUS REPORT #1 ON WW 442
VALID 192240Z - 192340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DIAL..07/19/15
ATTN...WFO...ALY...BOX...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC031-192340-
ME
. MAINE COUNTIES INCLUDED ARE
YORK
$$
MAC003-009-011-013-015-017-027-192340-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE ESSEX FRANKLIN
HAMPDEN HAMPSHIRE MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-192340-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC001-019-021-031-033-035-039-041-043-057-083-089-091-093-095-
113-115-192340-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY CLINTON COLUMBIA
ESSEX FRANKLIN FULTON
GREENE HAMILTON HERKIMER
MONTGOMERY RENSSELAER ST. LAWRENCE
SARATOGA SCHENECTADY SCHOHARIE
WARREN WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
192340-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
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% (F2-F5 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.