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 32
NWS STORM PREDICTION CENTER NORMAN OK
115 AM EST THU FEB 25 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN MASSACHUSETTS
RHODE ISLAND
COASTAL WATERS
* EFFECTIVE THIS THURSDAY MORNING FROM 115 AM UNTIL 500 AM EST.
* PRIMARY THREATS INCLUDE...
ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE
SUMMARY...BROKEN LINE OF STORMS IN CENTRAL MASSACHUSETTS SOUTHWARD
INTO CONNECTICUT EXPECTED TO SPREAD EASTWARD THROUGH LATER THIS
MORNING...WITH A PRIMARY THREAT FOR LOCALLY DAMAGING WIND.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF
BOSTON MASSACHUSETTS TO 35 MILES SOUTH SOUTHWEST OF NEW BEDFORD
MASSACHUSETTS. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 30...WW 31...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM
MOTION VECTOR 21065.
...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 32 SEVERE TSTM MA RI CW 250615Z - 251000Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
45NE BOS/BOSTON MA/ - 35SSW EWB/NEW BEDFORD MA/
..AVIATION COORDS.. 40NM E/W /38SSE ENE - 32SSE PVD/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..65 KNOTS.
MAX TOPS TO 350. MEAN STORM MOTION VECTOR 21065.
LAT...LON 42836948 41207036 41207208 42837126
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 32 Status Report Messages:
STATUS REPORT #1 ON WW 32
VALID 250845Z - 250940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..02/25/16
ATTN...WFO...BOX...
&&
STATUS REPORT FOR WS 32
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MAC001-005-007-009-017-019-021-023-025-250940-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BARNSTABLE BRISTOL DUKES
ESSEX MIDDLESEX NANTUCKET
NORFOLK PLYMOUTH SUFFOLK
$$
RIC001-003-005-007-009-250940-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL KENT NEWPORT
PROVIDENCE WASHINGTON
$$
ANZ230-231-232-233-234-235-236-237-251-250940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
CAPE COD BAY
NANTUCKET SOUND
VINEYARD SOUND
BUZZARDS BAY
RHODE ISLAND SOUND
NARRAGANSETT BAY
BLOCK ISLAND SOUND
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 (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
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% (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.
weather.gov 
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