PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
356 PM CDT MON MAY 12 2014

…NWS DAMAGE SURVEY FOR 05/11/14 TORNADO EVENT IN GUTHRIE
COUNTY…

A LINE OF THUNDERSTORMS PRODUCED AT LEAST ONE TORNADO THAT
TRACKED SOUTH OF GUTHRIE CENTER AND ACROSS LAKE PANORAMA. TWO
POSSIBLE TORNADOES NEAR LAKE PANORAMA AND NEAR DALLAS CENTER ARE
BEING SURVEYED AND THE RESULTS WILL BE RELEASED LATER IN THE DAY.

.TORNADO #1 LAKE PANORAMA…

RATING: EF-2
ESTIMATED PEAK WIND: 115 MPH
PATH LENGTH /STATUTE/: 16.7 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0

START DATE: MAY 11…2014
START TIME: 9:43 PM CDT
START LOCATION: 4.5 MILES SOUTH OF GUTHRIE CENTER
START LAT/LON: 41.6167 / -94.5121

END DATE: MAY 11…2014
END TIME: 10:08 PM CDT
END LOCATION: 2.9 MILES NORTHEAST OF YALE
END_LAT/LON: 41.7899 / -94.3043

SURVEY SUMMARY: THE SURVEY TEAM FOUND THAT A TORNADO FORMED SOUTH
OF GUTHRIE CENTER AND TRACKED NORTHEASTWARD THROUGH LAKE
PANORAMA…WHERE HIGH END EF-1 AND LOW EF-2 DAMAGE WAS FOUND. THE
TORNADO CONTINUED TRACKING NORTHEAST AND DISSIPATED NORTHEAST OF
YALE.

EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES
TORNADOES INTO THE FOLLOWING CATEGORIES.

EF0…WEAK……65 TO 85 MPH
EF1…WEAK……86 TO 110 MPH
EF2…STRONG….111 TO 135 MPH
EF3…STRONG….136 TO 165 MPH
EF4…VIOLENT…166 TO 200 MPH
EF5…VIOLENT…>200 MPH

NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN NWS
STORM DATA.