Source: US National Oceanic and Atmospheric Administration
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 218
NWS Storm Prediction Center Norman OK
110 PM EDT Sat May 3 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Connecticut
Massachusetts
Far Southern Maine
Southern New Hampshire
Southern New York
Southern Vermont
* Effective this Saturday afternoon and evening from 110 PM until
800 PM EDT.
* Primary threats include…
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY…Thunderstorms should continue to increase in coverage and
intensity in a narrow southwest-to-northeast corridor this
afternoon. Scattered damaging winds and occasional severe hail
should be the main threats with this activity.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 30 miles west of
Poughkeepsie NY to 25 miles east southeast of Concord 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.
&&
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
25035.
…Gleason
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW8
WW 218 SEVERE TSTM CT MA ME NH NY VT 031710Z – 040000Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
30W POU/POUGHKEEPSIE NY/ – 25ESE CON/CONCORD NH/
..AVIATION COORDS.. 35NM N/S /34N SAX – 25ESE CON/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 25035.
LAT…LON 42217446 43647104 42487104 41057446
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 218 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (20%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
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
Mod (40%)
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 (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.