128
CXUS54 KSHV 021653
CLMSHV
CLIMATE REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1054 AM CST MON NOV 2 2009
...............................
..THE SHREVEPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1874 TO 2009
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
............................................
TEMPERATURE (F)
RECORD
HIGH 99 10/01/1938
LOW 28 10/31/1993
HIGHEST 92 10/08/2009
LOWEST 39 10/24/2009
MEAN 63.1 66.7 -3.6
DAYS MAX >= 90 1
DAYS MIN <= 32 0
PRECIPITATION (INCHES)
TOTALS 20.35 4.45 15.90
DAYS >= .01 16
DAYS >= .50 9
DAYS >= 1.00 6
GREATEST
24 HR. TOTAL 6.42 10/29 -
10/30
DEGREE_DAYS
HEATING TOTAL 128 78 50
COOLING TOTAL 76 119 -43
.............................................
WIND (MPH)
AVERAGE WIND SPEED 7.0
HIGHEST WIND SPEED/DIRECTION 38/310 DATE 10/09
HIGHEST GUST SPEED/DIRECTION 51/270 DATE 10/29
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 FOG W/VIS <= 1/4 MILE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
..WETTEST OCTOBER ON RECORD IN SHREVEPORT
..THIRD ALL TIME WETTEST MONTH ON RECORD IN SHREVEPORT
...SECOND WETTEST AUTUMN ON RECORD WITH NOVEMBER REMAINING TO BREAK
THIS RECORD...
..TIED OCTOBER MEASURABLE RAINFALL DAYS RECORD
WEATHERWISE DURING OCTOBER OF 2009 IN SHREVEPORT...LOUISIANA...WE
RECORDED RECORD OCTOBER RAINFALL AND MUCH COOLER THAN NORMAL
TEMPERATURES.
THE OCTOBER OF 2009 NOW RANKS AS THE WETTEST OCTOBER ON RECORD. THE
PREVIOUS WETTEST OCTOBER WAS RECORDED DURING 1949 WITH 14.02
INCHES...A MONTH THAT SEEN A HURRICANE AS WELL. THE OCTOBER OF 2009
ALSO RANKS OVERALL AS THE THIRD WETTEST OF ANY MONTH ON RECORD IN
SHREVEPORT.
WITH SUCH HEAVY RAINFALL...SEVERAL COLD FRONTS...AND CLOUD
COVER...THIS OCTOBER ALSO RANKS AS THE TENTH COOLEST OCTOBER ON
RECORD AND THE COOLEST OCTOBER SINCE 1976 THAT AVERAGED 59.9
DEGREES. OCTOBER OF 1976 ALSO REMAINS THE COOLEST OCTOBER ON RECORD.
SHREVEPORT ALSO TIED AN OCTOBER RECORD OF MEASURABLE RAINFALL
(GREATER THAN A TRACE) DAYS WITH 16 DAYS. THE TIED RECORD WAS AGAIN
DURING OCTOBER OF 1949 WITH 16 DAYS OF MEASURABLE RAINFALL.
FOR THE AUTUMN OF 2009 THROUGH OCTOBER...SHREVEPORT HAS TALLIED
22.93 INCHES...JUST 0.06 INCHES SHY OF THE WETTEST AUTUMN
(METEOROLOGICAL AUTUMN IS SEPTEMBER...OCTOBER...AND NOVEMBER) ON
RECORD THAT IS 1877 WITH ITS 22.99 INCHES. IT IS VIRTUALLY CERTAIN
THAT WITH NOVEMBER REMAINING THAT THIS RECORD WILL BE BROKEN AS WELL.
DESPITE THE COOL AND RAINY WEATHER...SHREVEPORT ONLY ESTABLISHED TWO
DAILY RECORDS FOR THIS MONTH WITH A DAILY RAINFALL RECORD OF 2.19
INCHES SET FOR OCTOBER 13TH. THE OLD RECORD FOR THE DATE WAS 1.98
INCHES SET DURING THE YEAR OF 2001. FOR OCTOBER 29TH...SHREVEPORT
RECEIVED A FLOODING 5.88 INCHES OF RAINFALL...AND SMASHED THE OLD
RECORD FOR THE DATE WITH 2.80 INCHES DURING THE OCTOBER 29TH OF 1992.
FLOODING AFFECTED SHREVEPORT DURING OCTOBER 13TH AS CROSS LAKE ROSE
SLIGHTLY ABOVE FLOOD STAGE AND CRESTED THE NEXT MORNING AT 173.25
FEET...SOME THREE INCHES ABOVE FLOOD STAGE. CROSS LAKE ALSO CRESTED
AT 173.25 FEET DURING THE MORNING OF THE 31ST AS WELL.
HEAVY RAINFALL ACROSS NORTHEAST TEXAS...SOUTHWEST ARKANSAS...AND
SOUTHEAST OKLAHOMA ROUTED DOWN THE RED RIVER AND CRESTED AT 29.4
FEET DURING NOVEMBER 1ST...THE HIGHEST CREST SINCE 29.8 FEET DURING
MARCH 5 OF 2001. WALLACE LAKE CRESTED SOUTH OF SHREVEPORT AT 158.6
FEET DURING HALLOWEEN AS WELL AND RESULTED IN MAJOR FLOODING.
RED CHUTE BAYOU ROSE WELL OUT OF ITS BANKS IN BOSSIER CITY DURING
THE LAST DAY OF OCTOBER AND WILL CONTINUE THAT WAY THROUGH THE FIRST
FEW DAYS OF NOVEMBER.
FLASH FLOODING ALSO AFFECTED SHREVEPORT DURING OCTOBER
13TH...22ND...29TH AND 30TH. MAJOR FLASH FLOODING DEVELOPED DURING
THE EVENING OF THE 29TH THROUGH THE MORNING OF THE 30TH AND CLOSED
NUMEROUS STREES IN SHREVEPORT AND FLOODED SEVERAL HOMES.
A TORNADO RAVAGED SHREVEPORT AND BOSSIER CITY DURING THE LATE
AFTERNOON OF THE OCTOBER 29TH. AN EF2 TORNADO TOUCHED DOWN ABOUT A
QUARTER MILE SOUTHWEST OF FIRST UNITED METHODIST CHURCH IN DOWNTOWN
SHREVEPORT AT 413 PM.
THIS TORNADO SNAPPED SEVERAL TREES...AND BLEW THE STEEPLE OFF THE
TOP OF FIRST UNITED METHODIST CHURCH. IT THEN CONTINUED NORTHEAST
CAUSING SIGNIFICANT DAMAGE TO THE SHREVEPORT CONVENTION CENTER AND
OTHER DOWNTOWN BUSINESSES. THE TORNADO THEN CROSSED THE RED RIVER
JUST NORTH OF SAM'S TOWN CASINO...KNOCKING DOWN SEVERAL TREES ALONG
THE RIVER.
THE TORNADO TRACK CROSSED THE RED RIVER JUST SOUTH OF INTERSTATE 220
NEAR BENTON ROAD...WHERE SEVERAL TREES WERE SNAPPED ALONG THE LEVEE
AND A BARN WAS DAMAGED. THE TORNADO CROSSED INTERSTATE 220 JUST WEST
OF BENTON RD...AND CAUSED MINOR TO SIGNIFICANT DAMAGE AT SEVERAL CAR
DEALERSHIPS ALONG BENTON RD.
IT CROSSED BENTON ROAD AND ENTERED THE GREEN ACRES PLACE
SUBDIVISION...CAUSING MODERATE TO MAJOR DAMAGE TO NUMEROUS HOMES AND
TOWN HOUSES. THE TORNADO CONTINUED NORTHEAST INTO THE BROWNLEE
SUBDIVISION WHERE MORE HOMES RECEIVED SIGNIFICANT DAMAGE. IT THEN
MOVED NORTHEAST CAUSING SOME DAMAGE TO THE RESERVE APARTMENT COMPLEX
AND THE CYPRESS POINTE APARTMENT COMPLEX ON AIRLINE DRIVE.
THE TORNADO THEN CROSSED AIRLINE DRIVE JUST NORTH OF LEE OAKS
DRIVE...AND CAUSED SIGNIFICANT DAMAGE IN CROSS CREEK AND BAYOU BEND
SUBDIVISION. CONTINUING ON A NORTHEAST TRACK...THE TORNADO CAUSED
MAJOR DAMAGE AT THE BOSSIER EMERGENCY SERVICE CENTER ON SWAN LAKE
ROAD AND SNAPPED AND UPROOTED NUMEROUS TREES IN ROSE NEATH CEMETERY.
THE TORNADO MOVED NORTH AND CROSSED SWAN LAKE ROAD CAUSING
SIGNIFICANT DAMAGE TO HOMES IN THE LEGACY SUBDIVISION. IT THEN
CONTINUED NORTHEAST CAUSING MINOR DAMAGE TO A HOME...AND UPROOTED
AND SNAPPED TREES ON DEEN POINT ROAD. THE TRACK CONTINUED FURTHER
TO THE NORTHEAST CAUSING TREE DAMAGE ON JESSIE JONES ROAD AND WEST
LAKESHORE DRIVE IN BENTON LOUISIANA. THE TORNADO THEN CONTINUED
NORTHEAST CROSSING CYPRESS LAKE AND CAUSING MORE DAMAGE TO TREES ON
MERRITT ROAD BEFORE DISSIPATING.
OVER 100 HOMES IN BOSSIER PARISH WERE DAMAGED IN THIS TORNADO TRACK.
THE INITIAL TORNADO TOUCHED DOWN OCCURRED AT 413 PM...AND HAD A
LENGTH OF 13 MILES...AND A MAXIMUM WIDTH OF 600 YARDS. THE TORNADO
WAS ESTIMATED TO BE ON THE GROUND FOR 17 MINUTES WITH AN ESTIMATED
WIND SPEED OF 110 TO 115 MPH.
VIII.
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