SPC Tornado Watch 422



WW 422 TORNADO AR LA MS TX 052205Z – 060500Z

WW 0422 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 422
NWS Storm Prediction Center Norman OK
405 PM CST Mon Nov 5 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Extreme southeastern Arkansas
  Northern Louisiana
  West central Mississippi
  Extreme east central Texas

* Effective this Monday afternoon and evening from 405 PM until
  1100 PM CST.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail events to 1 inch in diameter possible

SUMMARY...Warm sector showers/thunderstorms will gradually
strengthen from east Texas into northern Louisiana as the low levels
continue to warm and moisten.  The storm environment will become
more favorable for supercells with tornadoes through the evening,
when a strong tornado or two will be possible.  Some eventual
upscale growth into clusters and line segments is possible tonight,
with an increasing threat for damaging winds as the storms spread
into Mississippi.

The tornado watch area is approximately along and 70 statute miles
east and west of a line from 15 miles south southwest of
Natchitoches LA to 30 miles northeast of Greenville MS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 24040.

...Thompson

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