

314 

WWUS20 KWNS 100040

SEL3

SPC WW 100040

ARZ000-MOZ000-TNZ000-100600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 73

NWS Storm Prediction Center Norman OK

645 PM CST Thu Mar 9 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Arkansas

  Missouri Bootheel

  Western Tennessee



* Effective this Thursday night from 645 PM until Midnight CST.



* Primary threats include...

  Scattered large hail likely with isolated very large hail events

    to 2 inches in diameter possible

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Severe thunderstorms over southern MO will continue to

track southeastward and into parts of northern AR/western MO this

evening.  Damaging winds and large hail are the main threats, but an

isolated tornado or two is also possible.



The severe thunderstorm watch area is approximately along and 55

statute miles north and south of a line from 20 miles west southwest

of Harrison AR to 50 miles east of Jackson TN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 70...WW 71...WW 72...



AVIATION...A few severe thunderstorms with hail surface and aloft to

2 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 450. Mean storm motion vector

28035.



...Hart

