Damage Survey Report from 2009-02-10

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
435 PM CST WED FEB 11 2009

…PRELIMINARY SURVEY INFORMATION CONCERNING THE TORNADOES IN
CENTRAL AND SOUTHERN OKLAHOMA TUESDAY FEBRUARY 10…

AT LEAST THREE TORNADOES OCCURRED IN CENTRAL AND SOUTHERN OKLAHOMA
YESTERDAY AFTERNOON AND EVENING.

…TORNADO ONE…
THE FIRST TORNADO OF THE DAY TOUCHED DOWN APPROXIMATELY 233 PM IN
FAR EASTERN CANADIAN COUNTY ABOUT 3 MILES NORTHWEST OF BETHANY. THE
TORNADO TRACKED NORTHEAST ACROSS PORTIONS OF NORTHWEST OKLAHOMA CITY
AND NORTHWEST EDMOND CAUSING SIGNIFICANT DAMAGE. THE TORNADO
DISSIPATED APPROXIMATELY 4 MILES SOUTH-SOUTHEAST OF SEWARD IN
SOUTHERN LOGAN COUNTY AT ABOUT 307 PM. THE INTENSITY OF THIS TORNADO
VARIED FROM EF0 TO EF2…WITH THE MOST INTENSE DAMAGE OCCURRING IN
NORTHWEST EDMOND.

…TORNADO TWO…
THE SECOND TORNADO WAS SPAWNED BY THE SAME SUPERCELL THUNDERSTORM
THAT PRODUCED TORNADO NUMBER ONE. THIS TORNADO TOUCHED DOWN AT
ABOUT 330 PM APPROXIMATELY 3 MILES SOUTH OF LANGSTON. THE TORNADO
TRACKED NORTHEAST ACROSS RURAL AREAS AND DISSIPATED APPROXIMATELY 3
MILES SOUTHWEST OF STILLWATER AT ABOUT 355 PM. THE INTENSITY OF
THIS TORNADO REMAINS UNKNOWN.

…TORNADO THREE…
THE THIRD TORNADO LIKELY APPROACHED THE RED RIVER NEAR PETERSBURG IN
EXTREME SOUTHEAST JEFFERSON COUNTY AT ABOUT 650 PM. THIS TORNADO WAS
UP TO ONE-HALF MILE WIDE AS IT TRACKED NORTHEAST CROSSING NORTHWEST
LOVE COUNTY AND SOUTHERN CARTER COUNTY WHERE IT STRUCK THE TOWN OF
LONE GROVE BETWEEN 725 AND 730 PM CAUSING EXTENSIVE DAMAGE. THE
TORNADO PRODUCED 8 FATALITIES AND NUMEROUS INJURIES IN THE LONE
GROVE AREA. THIS TORNADO REACHED EF4 INTENSITY ON THE SOUTH SIDE OF
LONE GROVE IMPLYING WINDS IN THE NEIGHBORHOOD OF 170 MPH. THE
TORNADO THEN CONTINUED NORTHEAST CROSSING INTERSTATE 35 NORTH OF
ARDMORE BEFORE DISSIPATING IN FAR SOUTHEAST MURRAY COUNTY
APPROXIMATELY 5 MILES SOUTHEAST OF DOUGHERTY AT AROUND 800 PM.

THIS INFORMATION IS PRELIMINARY AND DETAILS MAY CHANGE SLIGHTLY AS
ADDITIONAL INFORMATION BECOMES AVAILABLE. SOME AREAS REMAINED
INACCESSIBLE TO SURVEY TEAMS. IT IS POSSIBLE THAT THE FINAL EF
RATINGS MAY VARY SLIGHTLY OR THAT ADDITIONAL SURVEYS REVEAL BREAKS
IN SOME OF THE TORNADO TRACKS SUGGESTING SEPARATE SHORTER TRACK
TORNADOES OCCURRED.

ADDITIONAL INFORMATION MAY ALSO BE FOUND ON THE NORMAN NATIONAL
WEATHER SERVICE WEBSITE AT WEATHER.GOV/NORMAN

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
414 PM CST WED FEB 11 2009

…PRELIMINARY SURVEY INFORMATION / PAWNEE COUNTY OKLAHOMA…

A TEAM FROM THE NATIONAL WEATHER SERVICE IN TULSA SURVEYED THE
TORNADO DAMAGE NEAR PAWNEE OKLAHOMA AND HAVE CONCLUDED THE
FOLLOWING…

FEBRUARY 10 2009

TOUCHDOWN…435 PM 3 MILES SOUTH-SOUTHWEST OF PAWNEE OKLAHOMA
LIFTED……437 PM 0.5 MILE SOUTH OF PAWNEE OKLAHOMA
ENHANCED FUJITA SCALE…EF-0…PEAK WIND 80 TO 85 MPH
PATH LENGTH…2.6 MILES
PATH WIDTH….400 YARDS AT MAXIMUM

THE TORNADO DAMAGE WAS PART OF A LARGER SWATH OF SOMEWHAT
CONCENTRATED WIND DAMAGE MEASURING CLOSE TO A MILE WIDE.

THE TORNADO FORMED IN A COMPLEX HEAVY PRECIPITATION SUPERCELL
ENVIRONMENT WITH DAMAGING SURFACE INFLOW WINDS AND DAMAGING
REAR FLANK DOWNDRAFT WINDS.

THE AREA NORTH OF PAWNEE WAS INVESTIGATED WITH NO OTHER
TORNADO EVIDENCE FOUND.

THIS INFORMATION WAS BASED ON A BASIC GROUND SURVEY AND RADAR DATA
AND SHOULD BE CONSIDERED PRELIMINARY UNTIL INFORMATION FROM THE
MEDIA AND STORM CHASERS CAN BE RECEIVED AND REVIEWED.

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About Putnam Reiter

Putnam has been storm chasing since 1990 and is a co-founder of Hook-Echo.com. For his day job, Putnam works in emergency management for information technology.
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