Severe Thunderstorms June 12, 2013

Synopsis:

 A storm system moving across the Upper Midwest on Wednesday intiated thunderstorm development along a frontal boundary that stretched from Waterloo to Dubuque to Rockford. The airmass ahead ahead of these thunderstorms was very unstable and quickly became severe after they developed. These thunderstorms remained close to the boundary and produced heavy rain, large hail, strong gusty winds.

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
217 PM CDT THU JUN 13 2013

...UPDATED STORM SURVEY RESULTS FOR THE JUNE 12TH CARROLL COUNTY
IL TORNADO...

* LOCATION...THE TRACK BEGAN 6 MILES NORTH OF SAVANNA AND ENDED 4
  MILES WEST OF MOUNT CARROLL
* TIMING...FROM 6:53 TO 7:03 PM.
* INJURIES/FATALITIES...1 INJURY.
* EF-SCALE RATING...EF2.
* ESTIMATED MAX WIND SPEED...135 MPH.
* MAX WIDTH...ONE HALF MILE
* PATH LENGTH...APPROXIMATELY 6 MILES.
* DAMAGE INFORMATION...THE PATH OF THE TORNADO WAS WELL DEFINED WITH
  SIGNIFICANT TREE DAMAGE.  SEVERAL FARM OUT BUILDINGS WERE DAMAGED
  AND ONE HOUSE WAS PUSHED OFF ITS FOUNDATION.


...STORM SURVEY RESULTS FOR THE JUNE 12TH JO DAVIESS COUNTY IL
TORNADO...

* LOCATION...3 SOUTH OF HANOVER ILLINOIS IN THE WOODS
* TIMING...AROUND 6:50 PM.
* INJURIES/FATALITIES...NONE.
* EF-SCALE RATING...EF0.
* ESTIMATED MAX WIND SPEED...65 MPH.
* MAX WIDTH...20 YARDS.
* PATH LENGTH...APPROXIMATELY 1/2 MILE.
* DAMAGE INFORMATION...BRIEF TOUCHDOWN WITH NO SIGNIFICANT DAMAGE.


ENHANCED FUJITA /EF/ SCALE INFORMATION...

PLEASE NOTE THE NUMBERS BELOW ARE APPROXIMATE WIND SPEEDS FOR DAMAGE
CATEGORIES.

EF0...  65 -  85 MPH
EF1...  86 - 110 MPH
EF2... 111 - 135 MPH
EF3... 136 - 165 MPH
EF4... 166 - 200 MPH
EF5... 201 MPH OR GREATER

ADDITIONAL INFORMATION MAY BE AVAILABLE LATER TODAY AS THE STORM
SURVEY TEAMS CONTINUES THE SURVEY IN DAVIESS COUNTY.

Storm Survey Google Map
 
Radar Loop
Click Image to Enlarge
 
Storm Reports
 
 
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
237 PM CDT THU JUN 13 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0447 PM FUNNEL CLOUD 3 NE WINTHROP 42.53N 91.61W
06/12/2013 BUCHANAN IA TRAINED SPOTTER

WALL CLOUD WITH SOME ROTATION AND OCCASSIONAL SHORT LIVED
FUNNELS.

0519 PM FUNNEL CLOUD 4 E DURANGO 42.56N 90.69W
06/12/2013 DUBUQUE IA TRAINED SPOTTER

SPOTTER LOCATED NEAR KIELER WI OBSERVED FUNNEL TO WEST

0548 PM FUNNEL CLOUD KEY WEST 42.45N 90.68W
06/12/2013 DUBUQUE IA EMERGENCY MNGR

OBSERVED NEAR HWY 151 RYAN

0612 PM HAIL GALENA 42.42N 90.43W
06/12/2013 M0.25 INCH JO DAVIESS IL TRAINED SPOTTER

PEASIZE HAIL AND HEAVY RAIN.

0617 PM FUNNEL CLOUD ST. DONATUS 42.36N 90.54W
06/12/2013 JACKSON IA LAW ENFORCEMENT

0650 PM TORNADO 3 S HANOVER 42.21N 90.28W
06/12/2013 F0 JO DAVIESS IL NWS STORM SURVEY

EF0 WITH ESTIMATED WIND SPEED OF 65 MPH. MAX WIDTH 20
YARDS AND PATH LENGTH APPROX 1/2 MILE. BRIEF TOUCHDOWN
WITH NO SIGNIFICANT DAMAGE.

0651 PM TORNADO 2 S HANOVER 42.23N 90.28W
06/12/2013 JO DAVIESS IL TRAINED SPOTTER

MOVING SOUTHEAST.

0651 PM TORNADO 2 S HANOVER 42.23N 90.28W
06/12/2013 JO DAVIESS IL LAW ENFORCEMENT

MOVING SOUTHEAST.

0653 PM TORNADO 6 N SAVANNA 42.18N 90.14W
06/12/2013 F2 CARROLL IL NWS STORM SURVEY

*** 1 INJ *** EF2 WITH MAX WINDS OF 135 MPH. THE TRACK
BEGAN 6 MILES NORTH OF SAVANNA AND ENDED 4 MILES WEST OF
MOUNT CARROLL IL. DURATION FROM 653 TO 703 PM. MAX WIDTH
1/2 MILE. PATH LENGTH WAS APPROX 6 MILES.THE TORNADO WAS
WELL DEFINED WITH SIGNIFICANT TREE DAMAGE. SEVERAL FARM
OUT BUILDINGS WERE DAMAGED AND ONE HOUSE WAS PUSHED OFF
ITS FOUNDATION.

0655 PM TORNADO 2 S HANOVER 42.23N 90.28W
06/12/2013 JO DAVIESS IL CO-OP OBSERVER

NEAR HIGHWAY 84

0812 PM TSTM WND GST 1 ESE PEOSTA 42.44N 90.84W
06/12/2013 E60.00 MPH DUBUQUE IA TRAINED SPOTTER

0821 PM HAIL DUBUQUE 42.50N 90.69W
06/12/2013 E1.75 INCH DUBUQUE IA LAW ENFORCEMENT

NORTH SIDE OF TOWN

0840 PM TSTM WND DMG 6 S GALENA 42.33N 90.43W
06/12/2013 JO DAVIESS IL LAW ENFORCEMENT

SEVERAL TREES DOWN.

 



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