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 438
NWS Storm Prediction Center Norman OK
100 PM EDT Thu Jun 20 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Massachusetts
Central and Western Maine
New Hampshire
Northeast New York
Vermont
Coastal Waters
* Effective this Thursday afternoon and evening from 100 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 will develop through the afternoon
and spread eastward across the watch area. The strongest cells will
pose a risk of locally damaging wind gusts and hail.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 40 miles west southwest
of Saranac Lake NY to 25 miles southeast of Bangor ME. 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.
&&
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
28030.
...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 438 SEVERE TSTM MA ME NH NY VT CW 201700Z - 210000Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
40WSW SLK/SARANAC LAKE NY/ - 25SE BGR/BANGOR ME/
..AVIATION COORDS.. 50NM N/S /46SSW MSS - 25SE BGR/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28030.
LAT...LON 45027494 45416847 43686847 43297494
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 438 Status Report Messages:
STATUS REPORT #8 ON WW 438
VALID 202330Z - 210000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE RUT
TO 5 ENE LCI TO 20 E PWM.
PARTS OF REMAINING VALID PORTION OF WW 438 HAVE OR WILL BE LOCALLY
EXTENDED IN TIME. OTHERWISE, A NEW WW IS NOT ANTICIPATED.
..KERR..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MAC009-011-013-015-017-021-023-025-027-210000-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN HAMPDEN
HAMPSHIRE MIDDLESEX NORFOLK
PLYMOUTH SUFFOLK WORCESTER
$$
NHC011-015-210000-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
HILLSBOROUGH ROCKINGHAM
$$
ANZ230-250-251-210000-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY
MASSACHUSETTS BAY AND IPSWICH BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #7 ON WW 438
VALID 202245Z - 202340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 S MSS TO
15 WNW SLK TO 5 NE GFL TO 15 E LCI TO 25 S AUG TO 10 SSW BHB.
..KERR..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC031-202340-
ME
. MAINE COUNTIES INCLUDED ARE
YORK
$$
MAC009-011-017-027-202340-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-005-011-013-015-017-019-202340-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CHESHIRE HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC035-041-043-089-091-113-115-202340-
NY
. NEW YORK COUNTIES INCLUDED ARE
FULTON HAMILTON HERKIMER
ST. LAWRENCE SARATOGA WARREN
WASHINGTON
$$
VTC003-025-202340-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
ANZ051-052-150-152-153-154-251-202340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
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.
$$
STATUS REPORT #6 ON WW 438
VALID 202200Z - 202340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SW MSS TO
10 SE SLK TO 20 NW GFL TO 10 SW RUT TO 10 SSE LEB TO 25 NNE LCI
TO 5 SW BHB.
..KERR..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-013-015-023-031-202340-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND KNOX
LINCOLN SAGADAHOC YORK
$$
MAC009-011-017-027-202340-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-011-013-015-017-019-202340-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
HILLSBOROUGH MERRIMACK ROCKINGHAM
STRAFFORD SULLIVAN
$$
NYC031-035-041-043-089-091-113-115-202340-
NY
. NEW YORK COUNTIES INCLUDED ARE
ESSEX FULTON HAMILTON
HERKIMER ST. LAWRENCE SARATOGA
WARREN WASHINGTON
$$
VTC003-025-202340-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
ANZ051-052-150-151-152-153-154-251-202340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 438
VALID 202155Z - 202240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 WSW MSS
TO 10 SE SLK TO 20 NW GFL TO 15 SW RUT TO 10 SSE LEB TO 25 WNW
AUG TO 40 NNE BGR.
..KERR..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-009-011-013-015-023-027-031-202240-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND HANCOCK
KENNEBEC KNOX LINCOLN
SAGADAHOC WALDO YORK
$$
MAC009-011-017-027-202240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-011-013-015-017-019-202240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
HILLSBOROUGH MERRIMACK ROCKINGHAM
STRAFFORD SULLIVAN
$$
NYC031-035-041-043-089-091-113-115-202240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ESSEX FULTON HAMILTON
HERKIMER ST. LAWRENCE SARATOGA
WARREN WASHINGTON
$$
VTC003-025-202240-
VT
. VERMONT COUNTIES INCLUDED ARE
BENNINGTON WINDHAM
$$
ANZ051-052-150-151-152-153-154-251-202240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
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.
$$
STATUS REPORT #4 ON WW 438
VALID 202130Z - 202240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-007-009-011-013-015-017-019-021-023-025-027-031-
202240-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND FRANKLIN
HANCOCK KENNEBEC KNOX
LINCOLN OXFORD PENOBSCOT
PISCATAQUIS SAGADAHOC SOMERSET
WALDO YORK
$$
MAC009-011-017-027-202240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-202240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC019-031-033-035-041-043-089-091-113-115-202240-
NY
. NEW YORK COUNTIES INCLUDED ARE
CLINTON ESSEX FRANKLIN
FULTON HAMILTON HERKIMER
ST. LAWRENCE SARATOGA WARREN
WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
202240-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
ANZ051-052-150-151-152-153-154-251-202240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 438
VALID 202020Z - 202140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-007-009-011-013-015-017-019-021-023-025-027-031-
202140-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND FRANKLIN
HANCOCK KENNEBEC KNOX
LINCOLN OXFORD PENOBSCOT
PISCATAQUIS SAGADAHOC SOMERSET
WALDO YORK
$$
MAC009-011-017-027-202140-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-202140-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC019-031-033-035-041-043-089-091-113-115-202140-
NY
. NEW YORK COUNTIES INCLUDED ARE
CLINTON ESSEX FRANKLIN
FULTON HAMILTON HERKIMER
ST. LAWRENCE SARATOGA WARREN
WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
202140-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
ANZ051-052-150-151-152-153-154-251-202140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
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.
$$
STATUS REPORT #2 ON WW 438
VALID 201925Z - 202040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-007-009-011-013-015-017-019-021-023-025-027-031-
202040-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND FRANKLIN
HANCOCK KENNEBEC KNOX
LINCOLN OXFORD PENOBSCOT
PISCATAQUIS SAGADAHOC SOMERSET
WALDO YORK
$$
MAC009-011-017-027-202040-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-202040-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC019-031-033-035-041-043-089-091-113-115-202040-
NY
. NEW YORK COUNTIES INCLUDED ARE
CLINTON ESSEX FRANKLIN
FULTON HAMILTON HERKIMER
ST. LAWRENCE SARATOGA WARREN
WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
202040-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
ANZ051-052-150-151-152-153-154-251-202040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 438
VALID 201815Z - 201940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..06/20/24
ATTN...WFO...BOX...GYX...CAR...BTV...ALY...
&&
STATUS REPORT FOR WS 438
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MEC001-005-007-009-011-013-015-017-019-021-023-025-027-031-
201940-
ME
. MAINE COUNTIES INCLUDED ARE
ANDROSCOGGIN CUMBERLAND FRANKLIN
HANCOCK KENNEBEC KNOX
LINCOLN OXFORD PENOBSCOT
PISCATAQUIS SAGADAHOC SOMERSET
WALDO YORK
$$
MAC009-011-017-027-201940-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
ESSEX FRANKLIN MIDDLESEX
WORCESTER
$$
NHC001-003-005-007-009-011-013-015-017-019-201940-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$
NYC019-031-033-035-041-043-089-091-113-115-201940-
NY
. NEW YORK COUNTIES INCLUDED ARE
CLINTON ESSEX FRANKLIN
FULTON HAMILTON HERKIMER
ST. LAWRENCE SARATOGA WARREN
WASHINGTON
$$
VTC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
201940-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX FRANKLIN
GRAND ISLE LAMOILLE ORANGE
ORLEANS RUTLAND WASHINGTON
WINDHAM WINDSOR
$$
ANZ051-052-150-151-152-153-154-251-201940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM
INTRA COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME
COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME OUT 25 NM
PENOBSCOT BAY
COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME OUT 25 NM
CASCO BAY
COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT
25 NM
MASSACHUSETTS BAY AND IPSWICH BAY
$$
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 (50%)
|
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
|
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.
weather.gov 
@NWSSPC
