Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 598
NWS Storm Prediction Center Norman OK
210 PM EDT Mon Aug 5 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Massachusetts
Southwest Maine
Southern New Hampshire
Eastern New York
Southern Vermont
* Effective this Monday afternoon and evening from 210 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1 inch in diameter possible
SUMMARY...Thunderstorms have begun to form along a corridor from
near Albany, NY into southern New Hampshire. This activity will
likely persist through the afternoon, posing a risk of locally
damaging wind gusts and hail.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 40 miles west of Albany
NY to 25 miles east northeast of Portsmouth NH. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 596...WW 597...
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
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 598
NWS Storm Prediction Center Norman OK
210 PM EDT Mon Aug 5 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Massachusetts
Southwest Maine
Southern New Hampshire
Eastern New York
Southern Vermont
* Effective this Monday afternoon and evening from 210 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1 inch in diameter possible
SUMMARY...Thunderstorms have begun to form along a corridor from
near Albany, NY into southern New Hampshire. This activity will
likely persist through the afternoon, posing a risk of locally
damaging wind gusts and hail.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 40 miles west of Albany
NY to 25 miles east northeast of Portsmouth NH. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 596...WW 597...
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.
SAW8
WW 598 SEVERE TSTM MA ME NH NY VT 051810Z - 060000Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
40W ALB/ALBANY NY/ - 25ENE PSM/PORTSMOUTH NH/
..AVIATION COORDS.. 35NM N/S /35W ALB - 17SE ENE/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27030.
LAT...LON 43337458 43807035 42647035 42177458
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 598 Status Report Messages:
STATUS REPORT #3 ON WW 598
VALID 052350Z - 060040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE PSM
TO 25 ESE EEN TO 25 W EEN TO 40 ESE UCA.
..GOSS..08/05/24
ATTN...WFO...BOX...GYX...ALY...
&&
STATUS REPORT FOR WS 598
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC005-031-060040-
ME
. MAINE COUNTIES INCLUDED ARE
CUMBERLAND YORK
$$
NHC001-005-011-013-015-017-019-060040-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CHESHIRE HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC035-057-091-093-115-060040-
NY
. NEW YORK COUNTIES INCLUDED ARE
FULTON MONTGOMERY SARATOGA
SCHENECTADY WASHINGTON
$$
VTC003-025-060040-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
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.
$$
STATUS REPORT #2 ON WW 598
VALID 052245Z - 052340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 N BOS TO
25 NE PSF TO 40 ESE UCA.
..GOSS..08/05/24
ATTN...WFO...BOX...GYX...ALY...
&&
STATUS REPORT FOR WS 598
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC005-031-052340-
ME
. MAINE COUNTIES INCLUDED ARE
CUMBERLAND YORK
$$
MAC009-052340-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX
$$
NHC001-005-011-013-015-017-019-052340-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CHESHIRE HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC035-057-091-093-115-052340-
NY
. NEW YORK COUNTIES INCLUDED ARE
FULTON MONTGOMERY SARATOGA
SCHENECTADY WASHINGTON
$$
VTC003-025-052340-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
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.
$$
STATUS REPORT #1 ON WW 598
VALID 052100Z - 052240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..08/05/24
ATTN...WFO...BOX...GYX...ALY...
&&
STATUS REPORT FOR WS 598
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC005-031-052240-
ME
. MAINE COUNTIES INCLUDED ARE
CUMBERLAND YORK
$$
MAC009-052240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX
$$
NHC001-005-011-013-015-017-019-052240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CHESHIRE HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC001-035-057-083-091-093-095-115-052240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY FULTON MONTGOMERY
RENSSELAER SARATOGA SCHENECTADY
SCHOHARIE WASHINGTON
$$
VTC003-025-052240-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
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 (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
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 (80%)
|
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.
weather.gov 
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