The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Click for Watch Status Reports
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 225
NWS Storm Prediction Center Norman OK
605 PM MDT Tue May 16 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far northeast Colorado
Far northwest Kansas
* Effective this Tuesday evening from 605 PM until 1100 PM MDT.
* Primary threats include...
Isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A cluster of storms will continue to move northward this
evening across central Nebraska, with other storms move
northeastward across northwest Kansas and western Nebraska, aided by
a low-level upslope regime. Isolated instances of large hail and
locally damaging winds will be possible through the evening.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 40 miles west northwest
of Burwell NE to 60 miles southwest of Mccook NE. 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 220...WW 221...WW
222...WW 223...WW 224...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector