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SPC MD 790

SPC MD 790

[html]MD 0790 CONCERNING SEVERE THUNDERSTORM WATCH 227... FOR PORTIONS OF THE NORTHEAST
       
MD 0790 Image


Mesoscale Discussion 0790
NWS Storm Prediction Center Norman OK
0423 PM CDT Mon May 16 2022

Areas affected...Portions of the Northeast

Concerning...Severe Thunderstorm Watch 227...

Valid 162123Z - 162300Z

The severe weather threat for Severe Thunderstorm Watch 227
continues.

SUMMARY...A damaging wind threat will persist into the evening.

DISCUSSION...A squall line with a history of damaging wind gusts
will continue to move east through the evening. The environment
ahead of this squall line remains at least weakly unstable with
MLCAPE around 500 to 750 J/kg. In addition, the low-level jet has
strengthened to around 35 to 40 knots per area VWPs. This may allow
the threat to persist for at least a few more hours. This squall
line is expected to reach the eastern edge of watch 227 around an
hour from now. Therefore, a new severe thunderstorm watch may be
needed soon.

..Bentley/Hart.. 05/16/2022

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

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

LAT...LON   41207326 41467364 41977362 42377356 42997360 43677371
            44297365 44807379 45057390 45077381 45117169 44777127
            44117107 43057101 42387111 41837134 41447272 41207326


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Source: SPC MD 790 (http://ht**://www.spc.noaa.gov/products/md/md0790.html)