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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 465
NWS Storm Prediction Center Norman OK
510 AM CDT Sun Jun 30 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Sunday morning and afternoon from 510 AM until
100 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A complex of strong/isolated severe thunderstorms has
turned south-southeastward along an eastward-moving instability
gradient in northeastern Minnesota. This poses an increased threat
for damaging wind as these storms (and possible later development on
their west side) encounter moist and unstable air through midday
over the watch area. See SPC mesoscale discussion 1311 for initial
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 70 miles northeast of
Saint Cloud MN to 30 miles southwest of La Crosse 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
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector