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Mesoscale Discussion 1538
NWS Storm Prediction Center Norman OK
0329 PM CDT Thu Jul 21 2022

Areas affected...New England

Concerning...Severe Thunderstorm Watch 479...

Valid 212029Z - 212230Z

The severe weather threat for Severe Thunderstorm Watch 479
continues.

SUMMARY...A wind-damage threat will continue over the next few hours
across parts of New England. A brief tornado could also occur.

DISCUSSION...The latest mosaic radar imagery shows widely scattered
strong to severe thunderstorms ongoing across parts of Vermont, New
Hampshire into western and northern Maine. So far the convection has
remained discreet. Some cells have maintained rotation with
supercell characteristics, particularly across southern New
Hampshire and southern Maine. These storms should continue to have
wind-damage potential and could produce a brief tornado. There is
still a chance for linear development as the storms move eastward
across Maine late this afternoon into early this evening. If a cold
pool does form, it would likely develop with the storms currently
located from northern Vermont into southern Quebec. This line would
progress eastward across western and northern Maine late this
afternoon into early this evening, somewhat like the current HRRR
solution.  An increased wind-damage threat would be associated with
any line that can organize.

..Broyles.. 07/21/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...CAR...GYX...BOX...BTV...ALY...

LAT...LON   42947088 43646972 44696891 45486836 46136809 46626805
            46876815 47036855 46996901 46796937 46476960 46076974
            45537002 45107056 44897103 44757149 44757216 44667259
            44517269 44217283 43837286 43527284 42907280 42527231
            42947088