Hurricane Dennis


Overview

Dennis formed late Monday, July 4, 2005. The tropical depression developed just west of the island of Grenada. The storm quickly gained intensity and was upgraded to a tropical storm early on July 5. Dennis was upgraded to hurricane strength on July 6 and reached category 4 intensity, with winds around 150 miles an hour, before making landfall in western Cuba on July 8. Significant damage was reported in Cuba and Haiti in association with Dennis. Dennis weakened considerably after its interaction with Cuba but regained category 4 strength, winds around 145 miles an hour, over the east central Gulf of Mexico. Dennis continued on a north northwest path and made landfall near Gulf Breeze Florida as a category 3 hurricane. with winds around 120 miles an hour, on Sunday afternoon July 10. Dennis was downgraded to a tropical storm as it entered Marengo County in west central Alabama. on the evening of July 10. Dennis was downgraded once more to a tropical depression as it exited west central Alabama through Pickens County. Dennis was only a remnant low by Wednesday July 13.

Dennis's local effects were widespread across central Alabama. Storm total rain amounts were generally 3 to 6 inches west of Interstate 65, with isolated higher amounts. Areas of east of Interstate 65 received 2 to 3 inches of rain with isolated higher amounts, especially near the Alabama/Georgia state line. Wind gusts associated with Dennis produced damage in all 39 counties in central Alabama. Wind gusts along the immediate path of Dennis were estimated at 70 to 80 miles an hour. and generally affected the southwestern counties. The remainder of central Alabama received isolated gusts to around 60 miles an hour, generally associated with outer rain bands. Numerous trees and power lines were blown down and some structural damage occurred. Two injuries were reported due to the fallen trees. Many thousands of residents were without power. Many counties reported flash flooding. Minor river flooding occurred along parts of the Cahaba, Tallapoosa, Sucarnoochee, Black Warrior, and Tombigbee river basins.

 
Meteorological Data
A.   WIND DATA...

     ASOS/AWOS (PEAK WIND GUSTS IN KNOTS)

     COUNTY.......LOCATION.............DATE.....DIR/SPEED..TIME(UTC)

     MONTGOMERY...MONTGOMERY (MGM).....07/10....070/45.....1949
     MONTGOMERY...MONTGOMERY (MXF).....07/10....050/45.....2016
     PIKE.........TROY (TOI)...........07/11....110/41.....0000
     TUSCALOOSA...TUSCALOOSA (TCL).....07/11....040/40.....0419
     LEE..........AUBURN (AUO).........07/10....080/37.....2215
     JEFFERSON....BIRMINGHAM (BHM).....07/11....070/36.....0133
     SHELBY.......CALERA (EET).........07/11....110/30.....0623
     ETOWAH.......GADSDEN (GAD)........07/11....170/30.....1515
     CALHOUN......ANNISTON (ANB).......07/11....070/30.....0019
     TALLAPOOSA...ALEX CITY (ALX)......07/11....090/28.....0520

     OTHER WEATHERNET OBSERVATIONS (UNOFFICIAL)

     COUNTY.......LOCATION...........................DATE/SPEED..

     LEE..........AUBURN.............................07/11..36 MPH
     CHILTON......THORSBY............................07/11..36 MPH
     AUTAUGA......PRATTVILLE.........................07/10..34 MPH
     BULLOCK......UNION SPRINGS......................07/10..26 MPH
     JEFFERSON....GARDENDALE.........................07/11..26 MPH
     BLOUNT.......ONEONTA............................07/10..25 MPH
     TALLAPOOSA...MILSTEAD...........................07/11..28 MPH

     ESTIMATED OBSERVATIONS (UNOFFICIAL)

     COUNTY.........LOCATION................DATE/SPEED..

     SUMTER.........CUBA....................07/10..67 MPH
     SHELBY.........MONTEVALLO..............07/10..63 MPH
     CLEBURNE.......MT CHEAHA...............07/10..62 MPH
     AUTAUGA........N/A.....................07/10..55 MPH
     LEE............N/A.....................07/10..55 MPH
     JEFFERSON......LEGION FIELD............07/10..52 MPH
     TALLADEGA......TALLADEGA...............07/10..48 MPH
     CHILTON........CLANTON.................07/10..48 MPH

B.   SEA LEVEL PRESSURE DATA...

     (LOWEST MINIMUM SEA LEVEL PRESSURE OBSERVED IN MILIBARS)

     PRESSURE MB...TIME (UTC)...DATE.......LOCATION
     997.3.........0636Z........07/11/05...TUSCALOOSA (TCL)
     998.3.........2313Z........07/10/05...MONTGOMERY (MGM)
     999.3.........2225Z........07/10/05...TROY (TOI)
     1001.0........0559Z........07/11/05...CALERA (EET)
     1002.0........0646Z........07/11/05...BIRMINGHAM (BHM)
     1005.0........0721Z........07/11/05...ANNISTON (ANB)
     1005.0........0340Z........07/11/05...ALEXANDER CITY (ALX)
     1006.0........0900Z........07/11/05...GADSDEN (GAD)
     1007.0........2235Z........07/10/05...AUBURN (AUO)

C.   STORM TOTAL RAIN AMOUNTS...

     ASOS/AWOS (STORM TOTAL RAIN IN INCHES)
     DATA COMPILED FROM 07/09/05 00Z THROUGH 07/13/05 00Z

     COUNTY.......LOCATION....................RAIN AMOUNT

     SHELBY.......CALERA (EET)................4.65
     TUSCALOOSA...TUSCALOOSA (TCL)............4.36
     JEFFERSON....BIRMINGHAM (BHM)............2.96
     CALHOUN......ANNISTON (ANB)..............2.75
     PIKE.........TROY (TOI)..................2.60

     UNOFFICIAL OBSERVATIONS (STORM TOTAL RAIN IN INCHES)
     DATA COMPILED FROM 07/09/05 12Z THROUGH 07/11/05 12Z

     JEFFERSON....SYLVAN SPRINGS..............8.63
     SHELBY.......ALABASTER 1.................4.50
     PERRY........MARION JUNCTION.............4.37
     SHELBY.......ALABASTER 2.................4.05
     TUSCALOOSA...TAYLORVILLE.................3.97
     TUSCALOOSA...MERCEDEZ-BENZ VANCE.........3.82
     CHILTON......THORSBY.....................3.22
     WALKER.......JASPER......................2.59
     WALKER.......MANCHESTER..................2.52
     JEFFERSON....PINSON......................2.51
     LEE..........AUBURN......................2.29
     ST.CLAIR.....ASHVILLE....................2.14
     AUTAUGA......PRATTVILLE..................2.04
     TALLAPOOSA...MILSTEAD....................1.45
     BULLOCK......UNION SPRINGS...............1.44
     JEFFERSON....CLAY........................1.86
     JEFFERSON....GARDENDALE..................1.69
     BLOUNT.......ONEONTA.....................1.06

     CORP OF ENGINEERS/ALABAMA POWER DATA
     (STORM TOTAL RAIN IN INCHES)
     DATA COMPILED FROM 07/10/05 12Z THROUGH 07/12/05 12Z

     COUNTY.......LOCATION....................RAIN AMOUNT

     TUSCALOOSA...OLIVER DAM (TODA1)..........4.18
     MARENGO......DEMOPOLIS DAM (DLDA1).......4.10
     GREENE.......SELDEN DAM (WLDA1)..........3.94
     GREENE.......GAINESVILLE DAM (GNSA1).....3.87
     SUMTER.......LIVINGSTON (LVNA1)..........3.78
     PICKENS......BEVILL DAM (ALVA1)..........3.64
     TUSCALOOSA...HOLT DAM (THDA1)............3.27
     TUSCALOOSA...BANKHEAD DAM (BLDA1)........3.15
     CHEROKEE.....GAYLESVILLE.................3.13
     WALKER.......SMITH DAM (ARKA1)...........2.81

D.   MAXIMUM STORM TIDE HEIGHTS (STORM SURGE)...
     NOT APPLICABLE.

E.   EXTENT OF BEACH EROSION...
     NOT APPLICABLE.

F.   FLOODING AND/OR FLASH FLOODING...

            BIBB COUNTY..........COUNTY ROAD 51 NEAR CENTREVILLE WAS
                                 FLOODED AND TEMPORARILY IMPASSABLE.

            CALHOUN COUNTY.......PARTS OF INTERSTATE 20 NEAR ANNISTON
                                 WERE TEMPORARILY FLOODED.

            CHAMBERS COUNTY......SEVERAL ROADWAYS NEAR LAFAYETTE
                                 WERE FLOODED AND TEMPORARILY
                                 IMPASSABLE.

            CHILTON COUNTY.......US HIGHWAY 82 WAS FLOODED AND
                                 TEMPORARILY IMPASSABLE NEAR
                                 MAPLESVILLE.

            CLEBURNE COUNTY......COUNTY ROADS 42 AND 43 WERE CLOSED
                                 DUE TO FLOODING.

            DALLAS COUNTY........STATE HIGHWAY 5 WAS CLOSED DUE TO
                                 FLOODING AND A MUD SLIDE NEAR
                                 SELMA.

            ELMORE COUNTY........A FEW ROADS WERE FLOODED AND
                                 TEMPORARILY IMPASSABLE IN
                                 AND AROUND MILLBROOK.

            GREENE COUNTY........MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TOMBIGBEE RIVER NEAR DEMOPOLIS.
                                 MINOR RIVER FLOODING OCCURRED ALONG
                                 THE BLACK WARRIOR RIVER NEAR SELDEN
                                 LOCK AND DAM. SEVERAL ROADWAYS
                                 ACROSS THE COUNTY WERE FLOODED AND
                                 TEMPORARILY IMPASSABLE.

            HALE COUNTY..........MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TOMBIGBEE RIVER NEAR DEMOPOLIS.
                                 MINOR RIVER FLOODING OCCURRED ALONG
                                 THE BLACK WARRIOR RIVER NEAR SELDEN
                                 LOCK AND DAM. A FEW COUNTY ROADS
                                 WERE FLOODED AND TEMPORARILY
                                 IMPASSABLE NEAR GREENSBORO.

            JEFFERSON COUNTY.....US HIGHWAY 78 WAS TEMPORARILY
                                 CLOSED NEAR ADAMSVILLE DUE TO
                                 FLOODING.

            LOWNDES COUNTY.......OLD LETOHATCHEE ROAD NEAR
                                 HAYNEVILLE WAS FLOODED AND
                                 TEMPORARILY IMPASSABLE.

            MACON COUNTY.........US HIGHWAY 80 IN DOWNTOWN TUSKEGEE
                                 WAS FLOODED AND TEMPORARILY
                                 IMPASSABLE.

            MARENGO COUNTY.......MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TOMBIGBEE RIVER NEAR DEMOPOLIS.
                                 COUNTY ROAD 19 WAS FLOODED AND
                                 TEMPORARILY CLOSED.

            PERRY COUNTY.........BROADWAY AVENUE AND COUNTY ROAD 26
                                 WERE FLOODED AND WERE TEMPORARILY
                                 IMPASSABLE.

            RANDOLPH COUNTY......MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TALLAPOOSA RIVER NEAR WADLEY.
                                 FOURTH STREET IN WEDOWEE WAS FLOODED
                                 AND TEMPORARILY IMPASSABLE. COUNTY
                                 ROAD 82 WAS FLOODED NEAR THE FOSTERS
                                 CROSS ROADS COMMUNITY.

            RUSSELL COUNTY.......MULTIPLE ROADWAYS WERE COVERED WITH
                                 UP TO FIVE FEET OF WATER AND WERE
                                 IMPASSABLE NEAR THE RUTHERFORD
                                 COMMUNITY. FLOODING WAS ALSO
                                 REPORTED IN AND NEAR HATCHECHUBBEE
                                 ...SEALE...AND PHENIX CITY.

            SHELBY COUNTY........COUNTY ROADS 87 AND 12 WERE
                                 COMPLETELY FLOODED AND WERE
                                 TEMPORARILY IMPASSABLE. US HIGHWAY
                                 31 AND STATE HIGHWAY 199 WERE
                                 TEMPORARILY IMPASSABLE DUE TO
                                 FLOODING.

            SUMTER COUNTY........MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TOMBIGBEE RIVER NEAR DEMOPOLIS.
                                 MINOR RIVER FLOODING OCCURRED ALONG
                                 THE SUCARNOOCHEE RIVER NEAR
                                 LIVINGSTON.

            TALLAPOOSA COUNTY....MINOR RIVER FLOODING OCCURRED ALONG
                                 THE TALLAPOOSA RIVER NEAR WADLEY. A
                                 FEW ROADS NEAR ALEXANDER CITY WERE
                                 FLOODED AND TEMPORARILY IMPASSABLE.

            TUSCALOOSA COUNTY....CARLTON ROAD AND HUNTER CREEK ROAD
                                 WERE FLOODED AND TEMPORARILY
                                 CLOSED NEAR NORTHPORT. SEVERAL
                                 OTHER COUNTY ROADWAYS WERE FLOODED
                                 AND WERE TEMPORARILY IMPASSABLE.

            WALKER COUNTY........A FEW ROADS ACROSS THE COUNTY WERE
                                 FLOODED AND WERE TEMPORARILY
                                 IMPASSABLE.

            SEVERAL HOMES WERE FLOODED AND SUSTAINED MINOR DAMAGE.
            A FEW ROADS AND BRIDGES WERE WASHED AWAY. NO INJURIES
            WERE ATTRIBUTED TO FLOODING.

G.   TORNADOES...

     NONE CONFIRMED.

H.   PRELIMINARY STORM EFFECTS...

     1)     DEATHS.........NONE.

     2)     INJURIES.......TWO...MONTGOMERY COUNTY AND DALLAS
                                 COUNTY. BOTH WERE MINOR AND
                                 CAUSED BY FALLEN TREES.

     3)     DAMAGE BY COUNTY.....FROM LOCAL EMERGENCY MANAGEMENT.

            AUTAUGA COUNTY.......SCATTERED TREES AND POWER LINES DOWN
                                 COUNTYWIDE.

            BARBOUR COUNTY.......SCATTERED TREES AND POWER LINES DOWN
                                 COUNTYWIDE.

            BIBB COUNTY..........POWER WAS INTERRUPTED FOR MOST OF
                                 THE COUNTY.  NUMEROUS TREES AND
                                 POWER LINES DOWN COUNTYWIDE.

            BLOUNT COUNTY........SCATTERED TREES AND A FEW POWER
                                 LINES DOWN ACROSS SOUTHERN SECTIONS
                                 OF THE COUNTY.

            BULLOCK COUNTY.......SCATTERED TREES DOWN IN UNION
                                 SPRINGS.

            CALHOUN COUNTY.......SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            CHAMBERS COUNTY......SCATTERED TREES DOWN COUNTYWIDE.

            CHEROKEE COUNTY......A FEW TREES WERE DOWN IN THE CEDAR
                                 BLUFF AREA.

            CHILTON COUNTY.......NUMEROUS TREES DOWN COUNTYWIDE.

            CLAY COUNTY..........SCATTERED TREES WERE DOWN
                                 COUNTYWIDE.

            CLEBURNE COUNTY......SEVERAL TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            COOSA COUNTY.........SCATTERED TREES WERE DOWN
                                 COUNTYWIDE.

            DALLAS COUNTY........NUMEROUS TREES DOWN COUNTYWIDE.
                                 FIVE HOMES AND ONE BUSINESS WERE
                                 DAMAGED.

            ELMORE COUNTY........NUMEROUS TREES AND POWER LINES DOWN
                                 COUNTYWIDE. ONE STRUCTURE HAS PART
                                 OF ITS ROOF TORN OFF.

            ETOWAH COUNTY........SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            FAYETTE COUNTY.......SEVERAL TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            GREENE COUNTY........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            HALE COUNTY..........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            JEFFERSON COUNTY.....NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            LAMAR COUNTY.........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            LEE COUNTY...........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            LOWNDES COUNTY.......NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            MACON COUNTY.........SCATTERED TREES AND POWER LINES
                                 WERE COUNTYWIDE.

            MARENGO COUNTY.......HUNDREDS OF TREES AND POWER LINES
                                 WERE DOWN COUNTYWIDE.

            MARION COUNTY........SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            MONTGOMERY COUNTY....NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            PERRY COUNTY.........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            PICKENS COUNTY.......NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            PIKE COUNTY..........SCATTERED TREES DOWN IN THE CITY OF
                                 TROY.

            RANDOLPH COUNTY......SEVERAL TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            RUSSELL COUNTY.......NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            SHELBY COUNTY........NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            ST CLAIR COUNTY......SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            SUMTER COUNTY........HUNDREDS OF TREES AND POWER LINES
                                 WERE DOWN COUNTYWIDE.

            TALLADEGA COUNTY.....NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            TALLAPOOSA COUNTY....NUMEROUS TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.  ONE BUSINESS IN
                                 DADEVILLE HAD ITS ROOF TORN OFF.

            TUSCALOOSA COUNTY....HUNDREDS OF TREES AND POWER LINES
                                 WERE DOWN COUNTYWIDE.

            WALKER COUNTY........SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            WINSTON COUNTY.......SCATTERED TREES AND POWER LINES WERE
                                 DOWN COUNTYWIDE.

            MANY HOMES...OUTBUILDINGS...AND AUTOMOBILES WERE DAMAGED
            BY FALLEN TREES. NUMEROUS ROADS WERE BLOCKED BY FALLEN
            TREES AND WERE TEMPORARILY IMPASSABLE. A FEW AUTOMOBILE
            ACCIDENTS WERE ATTRIBUTED TO THE FALLEN TREES. HUNDREDS
            OF THOUSANDS OF POWER CUSTOMERS WERE TEMPORARILY WITHOUT
            SERVICE. OVERALL DAMAGE WAS MINOR TO MODERATE WITH THE
            MOST IMPACTED AREA IN THE SOUTHWEST.


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