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

…NWS DAMAGE SURVEY FOR THE LAKE PANORAMA TORNADO #2…

IN ADDITION TO THE MAIN EF-2 TORNADO THAT TRACKED ACROSS LAKE
PANORAMA…AN NWS SURVEY REVEALED THAT A SMALL…SHORT LIVED
TORNADO LIKELY FORMED A MILE AND A HALF NORTH OF THE EF-2 TORNADO
TRACK. THIS SMALL VORTICE FORMED OVER THE NORTHWEST SHORE OF LAKE
PANORAMA AND TRACKED EASTWARD FOR JUST UNDER A MILE BEFORE
DISSIPATING AND MERGING INTO A BROADER SWATH OF STRAIGHT-LINE
WINDS. IT CAUSED EXTENSIVE TREE…ROOF…AND BOAT DOCK DAMAGE
ALONG ITS PATH.

.TORNADO #2…

RATING: EF-1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH: 0.87 MILES
PATH WIDTH: 120 YARDS
FATALITIES: 0
INJURIES: 0

START DATE: MAY 11 2014
START TIME: 957 PM
START LOCATION: 3.8 MILES NORTHWEST OF PANORA

END DATE: MAY 11 2014
END TIME: 958 PM
END LOCATION: 3.3 MILES NORTHWEST OF PANORA

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 EVENT AND PUBLICATION IN NWS
STORM DATA.

$$