Peak Winds
|
Rainfall
|
Storm Tide
|
Radar Imagery
|
Visible Satellite Image
|
IR Satellite Image
|
Radar Estimated Precipitation
|
Coastal Water Level Rises
|
Plot of Winds Observed at NWS Newport
|
ACUS72 KMHX DDHHMM
PSHMHX
POST TROPICAL CYCLONE REPORT...HURRICANE ALEX
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
520 PM EDT FRI AUG 06 2004
ALEX BRUSHED THE OUTER BANKS OF NORTH CAROLINA DURING THE LATE
MORNING INTO THE AFTERNOON HOURS ON AUGUST 03, 2004. THE CENTER OF
THE STORM CAME WITHIN 15 MILES OF CAPE HATTERAS AT 1PM EDT AS A
CATEGORY TWO HURRICANE WITH SUSTAINED WINDS NEAR 100 MPH. HURRICANE
ALEX ACCELERATED PAST THE AREA MOVING TO THE NORTHEAST AT 15 TO 20
MPH. HIGHEST WINDS AND LOWEST PRESSURES ARE INDICATED FOR THIS DATE.
MOST RAINFALL OCCURRED ON DOPPLER RADAR ESTIMATES AND ACTUAL STORM
TOTAL RAINFALL MEASUREMENTS ARE FROM A 48 HOUR PERIOD ENDING AT 8 AM
AUGUST 04, 2004.
A. HIGHEST MEASURED WINDS... (ALL SPEEDS UNOFFICIAL)
2-MIN WIND PEAK GUST TIME COMMENTS
LOCATION (ID) (MPH) (MPH) (EDT)
HATTERAS VILLAGE NA 102 209 PM P
AVON NA 87 115 PM F,P
DIAMOND SHOALS (41025) 54 71 1200 PM F
CAPE LOOKOUT (CLKN7) 59 64 1000 AM
ALLIGATOR RIVER NA 62 1045 AM N
CAPE HATTERAS (HSE) 44 61 1223 PM F
BEAUFORT (MRH) 40 53 936 AM
FRYING PAN SHLS (FPSN7) 38 52 300 AM
MANTEO (MQI) 36 51 220 PM
DUCK (DUCN7) 45 49 300 PM
KITTY HAWK (FFA) 24 39 340 PM
CHERRY POINT (NKT) 28 38 849 AM
NEWPORT 23 37 913 AM
NEW RIVER (NCA) 17 30 834 AM
WASHINGTON (OCW) 18 30 122 PM
NEW BERN (EWN) 20 28 1118 AM
COMMENTS KEY
F - LAST REPORT BEFORE INSTRUMENT FAILURE
P - SOURCE OF MEASUREMENT PUBLIC REPORT
N - LOCAL NWS MAINTAINED EQUIPMENT
B. LOWEST PRESSURE...
PRESSURE TIME COMMENTS
LOCATION (ID) (MB) (EDT)
DIAMOND SHOALS (41025) 990.7 1200 PM F
CAPE HATTERAS (HSE) 991.2 1151 AM F
CAPE LOOKOUT (CLKN7) 994.7 900 AM
FRYING PAN SHLS (FPSN7) 994.8 900 AM
BEAUFORT (MRH) 999.2 956 AM
CHERRY POINT (NKT) 1002.5 849 AM
DUCK (DUCN7) 1004.1 600 PM
NEW RIVER (NCA) 1004.6 656 AM
NEW BERN (EWN) 1004.8 954 AM
COMMENTS KEY
F - LAST REPORT BEFORE INSTRUMENT FAILURE
C. RAINFALL...
STORM TOTAL RAINFALL
LOCATION (ID) (INCHES)
OCRACOKE (OCRN7) 7.55
BEAUFORT (MRH) 5.62
NEWPORT 2.88
WALLACE (WCEN7) 2.31
CHERRY POINT (NKT) 2.11
NEW BERN (EWN) 1.61
GREENVILLE (GREN7) 1.56
RICHLANDS (RILN7) 1.50
NEW RIVER (NCA) 1.26
WILLIAMSTON (WLLN7) 0.69
KINSTON (KNNN7) 0.50
SNOW HILL (SHLN7) 0.49
D. STORM TIDES
THE HIGHEST ESTIMATED SURGE VALUES...RELATED TO SOUNDSIDE SURGE FROM
THE PAMLICO SOUND...OCCURRED ON THE OUTER BANKS AT BUXTON...HATTERAS
VILLAGE...AND ON OCRACOKE ISLAND. STORM SURGE VALUES WERE ESTIMATED
IN THE 4 TO 6 FEET RANGE WITH THE HIGHEST SURGES OCCURRING AT BUXTON
AND OCRACOKE VILLAGE WHERE SURGES UP TO 6 FEET WERE ESTIMATED.
FLOODING OF THIS MAGNITUDE HAD NOT OCCURRED ON OCRACOKE ISLAND FOR
NEARLY 20 YEARS WHEN HURRICANE GLORIA BRUSHED BY THE AREA IN 1985.
WATER LEVELS ROSE TO 2 TO 4 FEET ABOVE NORMAL ACROSS PORTIONS
SOUTHERN CRAVEN COUNTY...DOWNEAST CARTERET COUNTY...AND EASTERN
PAMLICO COUNTY...ALONG THE LOWER REACHES OF THE NEUSE AND PAMLICO
RIVERS. CLUBFOOT AND ADAMS CREEK ON THE LOWER NEUSE ROSE TO 4 FEET
ABOVE NORMAL. WATER LEVELS ROSE TO 2 TO 2 1/2 FEET IN THE NEW BERN
AREA. WATER LEVELS ROSE TO 1 TO 2 FEET ACROSS WESTERN SECTIONS OF
THE ALBEMARLE SOUND INCLUDING THE ROANOKE RIVER. STORM SURGE WAS
ESTIMATED AT 1 TO 2 FEET ALONG THE COAST OF THE OUTER BANKS FROM
CAPE HATTERAS NORTHWARD. A SURGE OF 1 FOOT OR LESS OCCURRED ALONG
THE COAST INCLUDING CORE AND BOGUE BANKS.
E. BEACH EROSION
EROSION WAS SIGNIFICANT DUE TO SOUNDSIDE FLOODING ON CORE
BANKS...ESPECIALLY ON OCRACOKE ISLAND...AND ON THE OUTER BANKS FROM
BUXTON TO HATTERAS INLET. MAJOR OCEAN OVERWASH OCCURRED FROM
SOUNDSIDE FLOODING ON HATTERAS ISLAND NEAR HATTERAS INLET. MINOR
EROSION OCCURRED ON THE COAST OF THE OUTER BANKS NORTH OF CAPE
HATTERAS WITH MODERATE EROSION OCCURRING IN THE BUXTON AREA.
F. FLOODING AND/OR FLASH FLOODING
OUTER RAINBANDS OF HURRICANE ALEX BEGAN AFFECTING EASTERN NORTH
CAROLINA DURING THE NIGHT OF AUGUST 2ND. HEAVY RAINFALL CONTINUED
THROUGH THE AFTERNOON ON AUGUST 3RD AS HURRICANE ALEX MOVED JUST OFF
THE COAST SOUTH OF CAPE HATTERAS. DOPPLER RADAR STORM TOTAL
ESTIMATES AND ACTUAL OBSERVATIONS INDICATED A LARGE AREA OF 4 TO 8
INCH RAINFALL AMOUNTS ACROSS EXTREME SOUTHEASTERN CRAVEN COUNTY AND
EASTERN CARTERET COUNTY NORTHEASTWARD ACROSS HYDE AND DARE COUNTIES
INCLUDING THE OUTER BANKS. THE HEAVIEST RAINFALL WAS MEASURED AT
OCRACOKE WHERE NEARLY 7 INCHES OF RAINFALL WAS MEASURED DURING THE
DAY ON TUESDAY. A FLOOD/FLASH FLOOD WATCH WAS ISSUED FOR EASTERN
NORTH CAROLINA DURING THE AFTERNOON OF THE 2ND. FLASH FLOOD WARNINGS
WERE ISSUED FOR CRAVEN AND CARTERET COUNTIES ON THE MORNING OF THE
3RD WITH FLOODING OF STREETS AND LOW LYING AREAS REPORTED.
G. TORNADOES
NO TORNADOES WERE REPORTED IN EASTERN NORTH CAROLINA.
H. PRELIMINARY STORM EFFECTS
STORM SURGE AND WIND CAUSED THE MOST SIGNIFICANT EFFECTS ACROSS
EASTERN NORTH CAROLINA...ESPECIALLY ON OCRACOKE ISLAND AND THE
OUTER BANKS SOUTH OF BUXTON. NO INJURIES OR FATALITIES HAVE BEEN
REPORTED IN EASTERN NORTH CAROLINA. STORM SURGE AND BEACH EROSION
EFFECTS HAVE BEEN SIGNIFICANT IN OUTER BANKS DARE AND HYDE COUNTIES.
SIGNIFICANT WIND AND WATER DAMAGE OCCURRED FROM BUXTON SOUTHWARD ON
THE OUTER BANKS AND ACROSS OCRACOKE ISLAND WHERE HUNDREDS OF
VEHICLES AND HOMES WERE FLOODED FROM SOUNDSIDE STORM SURGE.
SUSTAINED WINDS TO HURRICANE FORCE AND WIND GUSTS IN EXCESS OF 100
MPH RESULTED IN MINOR STRUCTURAL DAMAGE TO HOMES AND BUSINESSES AND
CAUSED EXTENSIVE DAMAGE TO TREES WITH POWER LINES DOWNED.
ELECTRICITY WAS NOT RESTORED TO SOME AREAS FOR 2 TO 3 DAYS.
SIGNIFICANT EROSION OCCURRED MAINLY ON THE SOUNDSIDE OF THE OUTER
BANKS FROM BUXTON SOUTHWARD AND ON OCRACOKE ISLAND.
COLE/BANDY
|