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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 525
NWS Storm Prediction Center Norman OK
550 PM CDT Fri Jul 19 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Much of north central and northeastern Wisconsin
* Effective this Friday afternoon and Saturday morning from 550
PM until 100 AM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
* Primary threats include...
Widespread damaging winds and scattered significant gusts to 105
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
A few tornadoes likely
SUMMARY...An intense supercell cluster in northwestern Wisconsin is
expected to evolve into a damaging bow echo that will accelerate
east-southeastward across northern/northeastern Wisconsin this
evening. The storm environment will favor swaths of high-end,
destructive outflow winds potentially exceeding 100 mph. Tornadoes
will also be possible with embedded circulations, as well as large
hail in the next few hours with lingering supercell structures.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 70 miles west northwest
of Wausau WI to 30 miles northeast of Manitowoc WI. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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
OTHER WATCH INFORMATION...CONTINUE...WW 523...WW 524...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 90 knots. A
few cumulonimbi with maximum tops to 650. Mean storm motion vector