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
Tornado Watch Number 234
NWS Storm Prediction Center Norman OK
340 PM CDT Wed May 17 2017
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
far northeast Missouri
* Effective this Wednesday afternoon and evening from 340 PM
until 1100 PM CDT.
* Primary threats include...
A couple tornadoes possible
Isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Strong/severe storms continue to develop/spread across
eastern Iowa, and are expected to move into parts of northern
Illinois over the next several hours. Along with risk for large
hail and locally damaging winds, a couple of tornadoes will also be
The tornado watch area is approximately along and 65 statute miles
north and south of a line from 10 miles north northwest of Ottumwa
IA to 25 miles southeast of Rockford IL. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
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 231...WW 232...WW 233...
AVIATION...Tornadoes and 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 450. Mean
storm motion vector 22040.