Monday, February 18, 2008

Storm survey data rolling in this afternoon...

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
100 PM CST MONDAY FEB 18 2008

...DAMAGE SURVEYS UNDERWAY ACROSS CENTRAL ALABAMA...

ON SUNDAY FEBRUARY 17, 2008 A STRONG UPPER LEVEL LOW EJECTED OUT OF THE SOUTHERN PLAINS TRACKING ACROSS THE TENNESSEE VALLEY. STRONG SOUTHERLY WINDS IN CONJUNCTION WITH DEWPOINTS CLIMBING INTO THE LOWER 60S...A STRONG LOW LEVEL JET...AND TEMPERATURES IN THE IN EXCESS OF 70 DEGREES RESULTED THE DEVELOPMENT OF SEVERAL SUPERCELL THUNDERSTORMS.

BEFORE NOON A SQUALL LINE DEVELOPED ALONG THE ALABAMA MISSISSIPPI STATE LINE AND TRACKED EASTWARD ACROSS CENTRAL ALABAMA...INTENSIFYING DURING THE AFTERNOON HOURS. BY SUNSET...DAMAGE WAS REPORTED AT NUMEROUS LOCATIONS...GENERALLY ALONG AND SOUTH OF A LINE FROM DEMOPOLIS TO WEDOWEE.

TORNADO WATCHES WERE IN EFFECT FOR PORTIONS OF CENTRAL ALABAMA BETWEEN 530 AM AND 8 PM. A TOTAL OF 20 TORNADO WARNINGS AND 7 SEVERE THUNDERSTORM WARNINGS WERE ISSUED BETWEEN 10:59 AM AND 5:05 PM BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

AUTAUGA COUNTY:A NATIONAL WEATHER SERVICE SURVEY TEAM IS IN THE PROCESS OFACCESSING THE DAMAGE IN AUTAUGA COUNTY. IT HAS BEEN DETERMINED THE DAMAGE WAS THE RESULT OF A TORNADO...RANKING EF-3 ON THE ENHANCED FUJITA SCALE. A TOTAL PATH LENGTH IS YET TO BE DETERMINED...BUT THE DAMAGE PATH IS 450 YARDS WIDE AT ITS WIDEST POINT. THE MOST DAMAGE OCCURRED ALONG EAST MAIN STREET NEAR MCQUEEN SMITH ROAD AND IN THE SILVER HILLS SUBDIVISION. AN ESTIMATED 200 RESIDENTIAL HOMES AND 40 BUSINESSES WERE DAMAGED OR DESTROYED. HUNDREDS OF TREES WERE EITHER SNAPPED OR UPROOTED. IN ADDITION...50 INJURIES WERE REPORTED. WINDSPEEDS ARE ESTIMATED TO BE UP TO 150 MILES PER HOUR. THIS DAMAGE OCCURED AT APPROXIMATELY 305 PM. A TORNADO WARNING WAS IN EFFECT FROM 2:31 PM UNTIL 3:30 PM.

CHILTON COUNTY: A NATIONAL WEATHER SERVICE SURVEY TEAM HAS ASSESSED THE DAMAGE NEAR EXIT 205 ALONG INTERSTATE 65 IN CHILTON COUNTY. IT WAS DETERMINEDTHAT THE MAJORITY OF THIS DAMAGE WAS THE RESULT OF STRAIGHT LINE WINDS. THIS DAMAGE ENCOMPASSED AN AREA NEARLY 2.75 MILES LONG BY 1.5 MILES WIDE BETWEEN COUNTY ROAD 7 AND COUNTY ROAD 41. HOWEVER THE SURVEY ALSO INDICATED A LOCALIZED AREA EAST OF INTERSTATE 65 WAS THE RESULT OF A TORNADO RATED EF-1 ON THE ENHANCED FUJITA SCALE. WINDS ARE ESTIMATED TO BE UP TO 110 MPH. THE DAMAGE PATH WAS 1.1 MILES LONG AND 0.25 MILES WIDE AT ITS WIDEST POINT. DAMAGE WAS PRIMARILY TO TREES...APPROXIMATELY 300 TREES WERE EITHER UPROOTED OR SNAPPED. IN ADDITION...AROUND 15 STRUCTURES WERE DAMAGED...THE WORST BEING A MOBILE HOME ALONG COUNTY ROAD 41 THAT HAD TWO LARGE OAK TREES FALL ON IT. THIS DAMAGE OCCURRED AT APPROXIMATELY 1:05 PM. TWO TORNADO WARNINGS WERE ISSUED FOR THIS STORM. THE FIRST WAS ISSUED AT 1208PM AND EXPIRED AT 1:00 PM. THE SECOND TORNADO WARNING WAS ISSUED AT 12:53 PM AND EXPIRED AT 1:30 PM. IN ADDITION...A SEVERE THUNDERSTORM WARNING WAS ISSUED AT 12:28 PM AND EXPIRED AT 1:30 PM. NO INJURIES WERE REPORTED.

DALLAS COUNTY: A NATIONAL WEATHER SERVICE SURVEY TEAM HAS ASSESSED THE DAMAGE IN DALLAS COUNTY AND DETERMINED THE DAMAGE WAS THE RESULT OF A TORNADO...RANKING EF-2 ON THE ENHANCED FUJITA SCALE. THE TORNADO PATH WAS APPROXIMATELY 7 MILES LONG AND 150 YARDS WIDE AT ITS WIDEST POINT. SEVEN HOMES AND TWO BUSINESSES WERE TOTALLY DESTROYED IN ADDITION TWELVE TO FIFTEEN ADDITIONAL STRUCTURES WERE DAMAGED TO VARIOUS DEGREES. NUMEROUS TREES WERE SNAPPED AND OR UPROOTED AS WELL. WIND SPEEDS ARE ESTIMATED TO BE AS HIGH AS 120 MPH. THIS TORNADO TOUCHED DOWN NEAR WARRIOR DRIVE...JUST SOUTHEAST OF THE PERRY COUNTY LINE...TRACKED ACROSS HIGHWAY 219 NEAR THE INTERSECTION OF COUNTY ROAD 230...AND ENDED JUST WEST OF THE INTERSECTION OFCOUNTY ROAD 37 AND COUNTY ROAD 866. THIS DAMAGE OCCURRED AROUND 1229 PM. A TORNADO WARNING WAS IN EFFECT FROM 12:08 PM UNTIL 1:00PM. NO INJURIES WERE REPORTED.

PIKE COUNTY: A NATIONAL WEATHER SERVICE SURVEY TEAM HAS ASSESSED THE DAMAGE IN PIKE COUNTY AND DETERMINED THE DAMAGE WAS THE RESULT OF A TORNADO...RANKING EF-1 ON THE ENHANCED FUJITA SCALE. THE TORNADO PATH LENGTH WAS APPROXIMATELY 8.2 MILES LONG (IN PIKE COUNTY) AND 200YARDS WIDE AT ITS WIDEST POINT. ONE HOME AND ONE CHURCH WERE DAMAGED AND NUMEROUS TREES WERE SNAPPED OR UPROOTED. WINDS ARE ESTIMATED TO BE UP TO 100 MPH. THE STORM ENTERED PIKE COUNTY FROM COFFEE COUNTY APPROXIMATELY 5 MILES SOUTHEAST OF HENDERSON...CROSSED STATE HIGHWAYS 87 AND 167 AND ENDED JUST NORTH OF THE INTERSECTION OF COUNTY ROADS 6 AND 57. IT SHOULD BE NOTED THAT THIS STORM TRACKED ACROSS COUNTIES IN BOTH MOBILE AND TALLAHASSEE AREA OF RESPONSIBILITY. THE FINAL EF RANKING AND PATH LENGTH/WIDTH WILL BE DETERMINED BY THE MAXIMUM RANKING FROM THE THREE OFFICES. THIS DAMAGE OCCURED AT APPROXIMATELY 223 PM. A TORNADO WARNING WAS IN EFFECT FROM 1:50 PM UNTIL 245 PM.

IF YOU ARE AWARE OF DAMAGE AT LOCATIONS OTHER THAN LISTED ABOVE...PLEASE CALL IN YOUR REPORT TO YOUR LOCAL LAW ENFORCEMENT OR YOUR COUNTY EMERGENCY MANAGEMENT OFFICE IF YOU HAVE NOT ALREADY DONE SO.

DAMAGE ASSESSMENT TAKES TIME AND IS A DYNAMIC PROCESS. THIS PRODUCT WILL BE UPDATED MANY TIMES. CHECK BACK FREQUENTLY FOR THE LATEST INFORMATION.

IF THERE ARE ANY QUESTIONS REGARDING SUNDAYS EVENTS OR OUR PLANS TO SURVEY ON MONDAY...PLEASE CONTACT THE POST EVENT COORDINATOR AT THE BIRMINGHAM NATIONAL WEATHER SERVICE OFFICE AT 205-664-3010.$$12/SIRMON

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The NWS Birmingham is conducting storm surveys today. Here are some preliminary findings:

3 mi SE of Clanton, Chilton Co, AL, EF1 Tornado - 17 Feb, 01:10 PM CST -- A tornado touched down toward the end of a large downburst swath south of Clanton. The tornado started near exit 205 on Interstate 65 and ended along CR 41. One mobile home was destroyed and several other structures were damaged. Several trees and power lines were also blown down along the path.

6 mi NW of Selma, Dallas Co, AL, EF2 Tornado - 17 Feb, 12:29 PM CST -- A tornado affected county roads 843, 37, 16, Oakmulgee Road, and Centenary Road. Numerous trees were snapped off and uprooted along the path. At least 7 homes and 15 businesses were damaged or destroyed including Hughes Body Shop.

12 mi S of Troy, Pike Co, AL, EF1 Tornado - 17 Feb, 02:23 PM CST -- The beginning point of this tornado has yet to be determined in South Alabama. The tornado entered southern Pike county southwest of Henderson. The tornado ended near CR 6 and CR 57. At least one home and one church were damaged. Numerous trees were blown down along the path.

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