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URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 171
NWS Storm Prediction Center Norman OK
825 PM CDT Fri Apr 28 2017
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
* Effective this Friday night and Saturday morning from 825 PM
until 100 AM CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Clusters of storms along a surface boundary will likely
retain supercell structures for the next few hours, with an
attendant risk for large hail and damaging winds. The near-storm
environment is favorable for some tornado risk for the next few
hours with the storms near the Ohio River, within the northern edge
of the warm sector.
The tornado watch area is approximately along and 30 statute miles
north and south of a line from 15 miles west northwest of Evansville
IN to 45 miles east of Louisville KY. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
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.
OTHER WATCH INFORMATION...CONTINUE...WW 170...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 26035.