Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 280
NWS STORM PREDICTION CENTER NORMAN OK
315 PM EDT TUE JUN 9 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN CONNECTICUT
WESTERN AND CENTRAL MASSACHUSETTS
NEW HAMPSHIRE
CENTRAL AND SOUTHERN VERMONT
* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
800 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 HAVE INCREASED OVER EASTERN
NY...THAT WILL TRACK ACROSS THE WATCH AREA THIS AFTERNOON. DAMAGING
WINDS ARE LIKELY THE MAIN THREAT...ALONG WITH SOME HAIL IN THE
STRONGEST CORES.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST
NORTHWEST OF NEWPORT VERMONT TO 20 MILES SOUTH SOUTHEAST OF
WINDSOR LOCKS CONNECTICUT. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
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 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 24035.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 280 SEVERE TSTM CT MA NH VT 091915Z - 100000Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
15WNW EFK/NEWPORT VT/ - 20SSE BDL/WINDSOR LOCKS CT/
..AVIATION COORDS.. 50NM E/W /44SW YSC - 19SSE BDL/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 24035.
LAT...LON 44977138 41657141 41657355 44977363
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 280 Status Report Messages:
STATUS REPORT #3 ON WW 280
VALID 092230Z - 092340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW BOS
TO 20 E LEB TO 15 N MWN.
..COHEN..06/09/15
ATTN...WFO...BOX...ALY...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 280
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NHC001-003-007-009-011-013-092340-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL COOS
GRAFTON HILLSBOROUGH MERRIMACK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 280
VALID 092135Z - 092240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE POU
TO 25 NE BAF TO 15 NNW LEB TO 15 NW BML.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 956
..COHEN..06/09/15
ATTN...WFO...BOX...ALY...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 280
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC003-013-015-092240-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
HARTFORD TOLLAND WINDHAM
$$
MAC011-013-015-027-092240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
FRANKLIN HAMPDEN HAMPSHIRE
WORCESTER
$$
NHC001-003-005-007-009-011-013-019-092240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK SULLIVAN
$$
VTC017-027-092240-
VT
. VERMONT COUNTIES INCLUDED ARE
ORANGE WINDSOR
$$
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.
$$
STATUS REPORT #1 ON WW 280
VALID 092030Z - 092140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 ENE POU
TO 25 SW BAF TO 15 NW BAF TO 5 SSW RUT TO 35 NW RUT TO 30 ESE SLK.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 956
..GLEASON..06/09/15
ATTN...WFO...BOX...ALY...GYX...GYX...BTV...
&&
STATUS REPORT FOR WS 280
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC003-005-013-015-092140-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
HARTFORD LITCHFIELD TOLLAND
WINDHAM
$$
MAC003-011-013-015-027-092140-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE FRANKLIN HAMPDEN
HAMPSHIRE WORCESTER
$$
NHC001-003-005-007-009-011-013-019-092140-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK SULLIVAN
$$
VTC001-003-005-007-009-017-021-023-025-027-092140-
VT
. VERMONT COUNTIES INCLUDED ARE
ADDISON BENNINGTON CALEDONIA
CHITTENDEN ESSEX ORANGE
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 (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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% (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.