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URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 327
NWS Storm Prediction Center Norman OK
700 PM CDT Tue Jun 13 2017
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central and southwestern Minnesota
Extreme northeastern Nebraska
Southeastern South Dakota
* Effective this Tuesday night and Wednesday morning from 700 PM
until 200 AM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2.5 inches in diameter
SUMMARY...In addition to an existing isolated supercell along the
warm front in western Minnesota, a band of thunderstorms (with
embedded supercells and potential QLCS circulations forming) will
move northeastward into the watch area over the next few hours. The
tornado potential will be relatively maximized near that warm front,
while damaging gusts and sporadic hail are expected throughout the
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 45 miles southeast of Yankton SD to 40
miles northeast of Alexandria MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU7).
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 323...WW 324...WW
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 24035.