Expires 3:00 AM CDT on May 20, 2013
Statement as of 8:10 PM CDT on May 19, 2013
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
western andn northern Illinois
far northeast Missouri
western and southern Wisconsin
* effective this Sunday night and Monday morning from 810 PM
until 300 am CDT.
* Primary threats include...
several tornadoes possible
numerous damaging wind gusts to 70 mph likely
several large hail events to 1.5 inches in diameter possible
The Tornado Watch area is approximately along and 85 statute
miles east and west of a line from 45 miles north of Lonerock
Wisconsin to 20 miles southeast of Burlington Iowa. 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 180... ww 181... ww
182... ww 183... ww 184... ww 185... ww 186...
Discussion... numerous bands/clusters of tstms expected to affect ww
area this eve through early Mon as moist... sswly llj nocturnally
strengthens and swly mid-lvl flow intensifies with the continued NE
advance of 70+ kt mid speed Max in E quadrant of neb upr low.
Activity may include a few sustained storms... supercells... and lewps
with a risk for dmgg wind... hail... and possibly tornadoes despite
loss of daytime heating.
Aviation... tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface
wind gusts to 60 knots. A few cumulonimbi with maximum tops to
500. Mean storm motion vector 22035.
Severe Thunderstorm Warning
Expires 9:30 PM CDT on May 19, 2013
Statement as of 8:25 PM CDT on May 19, 2013
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for...
Boone County in north central Illinois...
northern De Kalb County in north central Illinois...
eastern Lee County in north central Illinois...
western McHenry County in northeast Illinois...
Ogle County in north central Illinois...
Winnebago County in north central Illinois...
* until 930 PM CDT
* at 821 PM CDT... a line of severe thunderstorms was located along a
line extending from Freeport to Oregon to 6 miles east of Amboy...
and moving northeast at 40 mph.
Hazard... 60 mph wind gusts.
Source... radar indicated.
Impact... expect damage to roofs... siding and trees.
* Locations impacted include...
Rochelle... Rockford Airport... Rockford... Machesney Park... Loves
Park... De Kalb... Rockton... Belvidere... Sycamore... South Beloit...
Genoa... Marengo... Harvard... Ashton... Byron... Stillman Valley...
Hillcrest... Pecatonica... Winnebago and Lake Summerset.
Other locations affected...
Boone County Fairgrounds... Castle Rock State Park... Lee County
Fairgrounds... Lowden State Park... northern Illinois University... Ogle
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service in
Lat... Lon 4250 8885 4250 8864 4234 8856 4206 8860
4194 8860 4158 8925 4158 8927 4194 8941
4220 8970 4221 8940 4250 8940
time... Mot... loc 0124z 233deg 35kt 4228 8961 4200 8930
Local Storm Report
05/19/2013 0820 PM
Franklin Grove, Lee County.
Thunderstorm wind gust e60.00 mph, reported by broadcast media.
Estimated gust to 60 mph. Severe dust storm reported with
near zero visibility.