SPC Severe Thunderstorm Watch 559

WW 559 SEVERE TSTM AZ 242100Z – 250400Z
WW 0559 Image

 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 559
NWS Storm Prediction Center Norman OK
200 PM MST Wed Jul 24 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and southern Arizona * Effective this Wednesday afternoon and evening from 200 PM until 900 PM MST. * Primary threats include... Isolated damaging wind gusts to 70 mph possible SUMMARY...Clusters of thunderstorms will form over the Rim and
spread southwestward to the lower deserts through late evening. The
storm environment will favor strong downdrafts capable of producing
occasional damaging/severe outflow gusts of 60-70 mph. The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 30 miles west southwest
of Phoenix AZ to 65 miles east northeast of Tucson AZ. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9). 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
03020. ...Thompson 

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