ACUS11 KWNS 182007
SWOMCD
SPC MCD 182006=20
MEZ000-MAZ000-NHZ000-RIZ000-CTZ000-VTZ000-182130-

Mesoscale Discussion 1188
NWS Storm Prediction Center Norman OK
0306 PM CDT Thu Jun 18 2026

Areas affected...portions of New England

Concerning...Tornado Watch 353...

Valid 182006Z - 182130Z

The severe weather threat for Tornado Watch 353 continues.

SUMMARY...Thunderstorms to continue eastward for the next couple of
hours. Threat for damaging wind and isolated tornadoes will
continue.

DISCUSSION...A line of thunderstorms continues eastward across
eastern Maine into Massachusetts and northern Connecticut. These
storms have produced reports of wind damage and gusts up to 60-64
mph this afternoon. While thermo profiles have been marginal, the
near surface and mid-level flow remains strong. The low-level jet
axis has begun to shift offshore, however, deep layer flow around
40-50 kts remains near the coast into portions of eastern/central
Maine. Damaging wind and isolated tornado potential will continue
for another 1-2 hours within WW353 before gradual weakening and
storms shift offshore.

..Thornton.. 06/18/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7fsGH4pB09edgKMwIN29AKvUA34V3OM_ZzpLBXHzdXb5FdPJAJqpmt4u2zFxpwpa-dDNE-kv8= msi1GP9Pq4O-FZ0nC8$ for graphic product...

ATTN...WFO...GYX...BOX...OKX...ALY...

LAT...LON 42957247 43747183 44667128 44667048 44216989 43716983
42987040 42077157 41507225 41817293 42307302 42957247=20

MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH


=3D =3D =3D
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