Public Information Statement
Issued by NWS Columbia, SC

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NOUS42 KCAE 050814
PNSCAE

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
414 AM EDT TUE MAY 5 2015

...APRIL 2015 CLIMATE SUMMARY...

...SEVERE WEATHER ON THE 19TH PRODUCED 5 TORNADOES...
...TEMPERATURES ABOVE NORMAL FOR THE MONTH...
...RAINFALL ABOVE NORMAL FOR THE MONTH...
...TIED FOR THE 9TH WARMEST APRIL ON RECORD AT COLUMBIA...
...RIVER FLOODING ON THE AREA RIVERS DURING THE MONTH...


APRIL CONTINUED THE ABOVE NORMAL WARMTH OF SPRING THAT BEGAN IN
MARCH ACROSS THE MIDLANDS AND EAST CENTRAL GEORGIA. ALTHOUGH
TEMPERATURES AND PRECIPITATION WERE BOTH ABOVE NORMAL FOR THE
MONTH...THE MAIN WEATHER STORY WAS THE SEVERE WEATHER EVENT THAT
OCCURRED ON THE AFTERNOON AND EVENING OF THE 19TH. A FEW SUPERCELL
STORMS DEVELOPED WITHIN A BAND OF SHOWERS AND THUNDERSTORMS. THE
SUPERCELLS PRODUCED 5 TORNADOES ACROSS THE CSRA AND MIDLANDS. THE
ABOVE NORMAL RAINFALL FOR THE MONTH PRODUCED FLOODING ALONG THE
CONGAREE RIVER...GREAT PEE DEE RIVER AND AROUND THE SHORELINE OF
LAKE WATEREE.

PRECIPITATION WAS ABOVE NORMAL FOR THE MONTH RANGING FROM 3 TO 6
INCHES. THESE AMOUNTS RANGED FROM 110 PERCENT UP TO 200 PERCENT OF
NORMAL FOR THE MONTH.

THE AVERAGE TEMPERATURE AT AUGUSTA REGIONAL BUSH FIELD WAS 66.3
DEGREES OR 3.6 DEGREES ABOVE THE NORMAL OF 62.7 DEGREES. THE AVERAGE
TEMPERATURE AT COLUMBIA METRO AIRPORT WAS 67.0 DEGREES OR 3.6
DEGREES ABOVE THE NORMAL OF 63.4 DEGREES. THIS TIED THE 9TH WARMEST
APRIL ON RECORD AT COLUMBIA. OTHER YEARS THAT RECORDED 67.0 DEGREES
FOR THE MONTHLY AVERAGE TEMPERATURE WERE:  1955...1991...2006 AND
2012.


HERE ARE SOME OF THE HIGHEST COCORAHS RAINFALL REPORTS FOR APRIL:
...COMMUNITY COLLABORATIVE RAIN HAIL AND SNOW
NETWORK......WWW.COCORAHS.ORG

SC-ED-13 TRENTON 6.5 SSW................7.69 INCHES
SC-NW-5  PROSPERITY 4.4 ESE.............6.80 INCHES
SC-ED-2  TRENTON 6.3 SSW................6.50 INCHES
SC-AK-44 AIKEN 9.8 NNE..................6.37 INCHES
SC-NW-8  PROSPERITY 2.8 SE..............6.28 INCHES

GA-CU-3  EVANS 2.1 NNW..................5.96 INCHES
GA-CU-7  GROVETOWN 3.4 NE...............4.97 INCHES
GA-RC-5  HEPHZIBAH 5.0 NE...............4.73 INCHES


HERE ARE SOME OF THE HIGHEST NWS COOP OBSERVER REPORTS FOR APRIL

BATS1 BATESBURG...................6.88 INCHES
LIMS1 LITTLE MOUNTAIN.............6.15 INCHES
CHDS1 CLARKS HILL.................5.82 INCHES
AIKS1 AIKEN 2 E...................5.68 INCHES
NWYS1 NEWBERRY WKDK...............5.66 INCHES


HIGHEST WIND GUSTS AT EACH ASOS LOCATION DURING THE MONTH:

AUGUSTA BUSH FIELD (AGS)..........39 MPH ON THE 19TH
AUGUSTA DANIEL FIELD (DNL)........39 MPH ON THE 19TH
COLUMBIA METRO AIRPORT (CAE)......38 MPH ON THE 19TH
ORANGEBURG COUNTY AIRPORT (OGB)...32 MPH ON THE 19TH
COLUMBIA HAMILTON OWENS FLD (CUB).31 MPH ON THE 22ND


HIGHEST WIND GUSTS AT EACH LAKE OBSERVING SITE DURING THE MONTH:

LAKE MURRAY FLOTILLA ISLAND (LMFS1).....44 MPH ON THE 19TH
LAKE MURRAY DAM (RCWINDS)...............35 MPH ON THE 23RD
LAKE WATEREE DAM (WATS1)................33 MPH ON THE 22ND
LAKE MURRAY TOWERS (USGS1)..............33 MPH ON THE 4TH
CLARKS HILL LAKE THURMOND DAM (CHDS1)...29 MPH ON THE 22ND


WATER TEMPERATURE AT THE LAKE MURRAY TOWERS (DEPTH APPROX. 6 FEET):
WARMEST...69.0 DEGREES ON THE 28TH AND 30TH
COOLEST...56.5 DEGREES ON THE 2ND


RECORDS TIED OR BROKEN DURING THE MONTH AT APRIL:

AUGUSTA...
ON THE 9TH...TIED THE RECORD HIGH OF 91 DEGREES SET IN 2011.

COLUMBIA...
ON THE 8TH...TIED THE HIGHEST MINIMUM TEMPERATURE OF 65 DEGREES SET
IN 1948.

ON THE 9TH...THE HIGH TEMPERATURE WAS 92 DEGREES. THIS BROKE THE
RECORD HIGH OF 90 DEGREES SET IN 1893...1965 AND 2011.

ON THE 10TH...TIED THE HIGHEST MINIMUM TEMPERATURE OF 67 DEGREES SET
IN 1999.

ON THE 14TH...TIED THE HIGHEST MINIMUM TEMPERATURE OF 68 DEGREES SET
IN 1922.



EVENTS FOR APRIL 2015:

ON THE 7TH...A LINE OF SEVERE THUNDERSTORMS MOVED ACROSS THE
MIDLANDS PRODUCING LARGE HAIL AND DAMAGING WINDS. GOLF BALL SIZE
HAIL WAS REPORTED IN BLYTHEWOOD. A TREE FELL ON A HOME AND VEHICLE
IN LEXINGTON COUNTY. LIGHTNING STRUCK A BARN IN WHITMIRE AND BURNED
IT TO THE GROUND.


ON THE 7TH AND 8TH...LOCALIZED HEAVY RAINFALL ALONG WITH RESERVOIR
RELEASES PRODUCED MINOR FLOODING ALONG THE CONGAREE RIVER AT
CAROLINA EASTMAN. THE RIVER CRESTED AT 115.2 FEET ON THE 10TH. FLOOD
STAGE IS 115.0 FEET.


ON THE 10TH...ISOLATED SEVERE THUNDERSTORMS DEVELOPED OVER EDGEFIELD
AND AIKEN COUNTIES. THE STORMS PRODUCED QUARTER SIZE HAIL.


ON THE 19TH...A QUASI-LINEAR CONVECTIVE SYSTEM...A LINE OF
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS AND
TORNADOES...MOVED ACROSS THE CSRA AND MIDLANDS DURING THE AFTERNOON
AND EVENING HOURS. THESE TYPES OF LINES ARE COMMON DURING THE SPRING
AND SUMMER MONTHS. SUPERCELL THUNDERSTORMS THAT DEVELOPED WITHIN THE
BAND PRODUCED 5 TORNADOES ACROSS THE REGION. THE LINE ALSO PRODUCED
NUMEROUS REPORTS OF STRAIGHT LINE WIND DAMAGE THAT DOWNED TREES AND
POWERLINES ACROSS THE AREA.

HERE IS A LIST OF THE TORNADOES AND SIGNIFICANT DAMAGE:

AN EF-2 TORNADO MOVED ACROSS BURKE COUNTY GEORGIA. THE PATH LENGTH
WAS JUST OVER 4 1/2 MILES AND THE WIDTH WAS 200 YARDS. THE TORNADO
DOWNED NUMEROUS TREES...DAMAGING HOMES...VEHICLES AND OTHER
STRUCTURES ON DONE ROVEN ROAD.

AN EF-2 TORNADO MOVED ACROSS AIKEN COUNTY. THE PATH LENGTH WAS JUST
OVER 19 MILES WITH A WIDTH OF 660 YARDS. THE TORNADO TOUCHED DOWN
NEAR GLENWOOD DRIVE AND CONTINUED ACROSS SOUTH AND SOUTHEAST AIKEN
EVENTUALLY REACHING I-20. THE TORNADO DOWNED NUMEROUS
TREES...DAMAGED MANY HOMES AND VEHICLES ALONG WITH SOME STRUCTURES.

AN EF-1 TORNADO MOVED ACROSS LEXINGTON...ESPECIALLY LAKE MURRAY. THE
TORNADO DOWNED NUMEROUS TREES AND DAMAGED SEVERAL HOMES ON THE SOUTH
SIDE OF THE LAKE. THE TORNADO CONTINUED ACROSS THE LAKE AND TOUCHED
DOWN ON SHADOWOOD ROAD. IT THEN DOWNED A FEW TREES...SOME ON A
HOME... AND LIFTED A PONTOON BOAT FROM THE WATER AND DROPPED IT ON
ITS SIDE ON A DOCK.

AN EF-1 A BRIEF...BUT STRONG EF-1...TORNADO TOUCHED DOWN IN CALHOUN
COUNTY. THE LENGTH WAS JUST OVER ONE QUARTER MILE WITH A WIDTH OF
200 YARDS. THE TORNADO DESTROYED A MOBILE HOME ON OTT SISTERS ROAD
AND INJURING 2 PEOPLE. THE TORNADO ALSO DOWNED NUMEROUS TREES. A
COUPLE OF THESE TREES FELL AND DAMAGED A MOBILE HOME CAUSING MAJOR
DAMAGE TO THE BATHROOM AREA OF THE HOME. IT ALSO DID SOME MINOR
DAMAGE TO AN INDUSTRIAL FACILITY.

AN EF-0 TORNADO MOVED ACROSS EDGEFIELD COUNTY. THE PATH WAS JUST
UNDER 3 MILES LONG WITH A PATH WIDTH OF 50 YARDS. THE TORNADO
INTERMITTENTLY TOUCHED DOWN IN WOODED AREAS FROM TWO MILE ROAD TO
NEAR BLAND BAPTIST CHURCH ROAD. ONE TREE FELL ON A HOME CAUSING
MINOR DAMAGE.

A SIGNIFICANT AREA OF STRAIGHT LINE WIND DAMAGE OCCURRED IN CALHOUN
COUNTY JUST BEFORE THE TORNADO TOUCHED DOWN. WIND SPEEDS AROUND 75
MPH PRODUCED DAMAGE TO A HOME OFF OF BULL SWAMP ROAD. THE STRONG
WINDS DAMAGED THE ROOF OF THE HOME AND BLEW OUT A WALL ON THE
NORTHEAST SIDE OF THE HOUSE.


ON THE 20TH THROUGH THE 25TH...RAINFALL OVER SEVERAL DAYS ACROSS THE
UPSTATE AND MIDLANDS PRODUCED SIGNIFICANT RISES ON THE AREA RIVERS.
FLOODING OCCURRED ALONG THE CONGAREE RIVER AND ALONG THE SHORELINE
OF LAKE WATEREE. THE GREAT PEE DEE RIVER AT CHERAW CRESTED JUST
BELOW FLOOD STAGE AT 29.8 FEET ON THE 22ND. FLOOD STAGE AT CHERAW IS
30.0 FEET. ALONG THE CONGAREE RIVER AT COLUMBIA THE RIVER CRESTED AT
15.0 FEET ON THE 21ST. FLOOD STAGE AT COLUMBIA IS 19.0 FEET.
HOWEVER...NUISANCE FLOODING BEGINS AT 10.0 FEET WHICH IS ADVISORY
STAGE. PORTIONS OF THE CAYCE AND WEST COLUMBIA RIVERWALK FLOODED
FROM THE 20TH THROUGH THE 23RD. ALONG THE CONGAREE RIVER AT CAROLINA
EASTMAN THE RIVER CRESTED AT 120.2 FEET...IN THE MODERATE FLOODING
CATEGORY ON THE 22ND. FLOOD STAGE AT CAROLINA EASTMAN IS 115.0 FEET.
THE FLOODING ALONG THE CONGAREE RIVER BACKED UP INTO THE CONGAREE
NATIONAL PARK AND CEDAR CREEK PRODUCING FLOODING OF THE LOWER
BOARDWALK WITHIN THE PARK. CEDAR CREEK ROSE TO 10.3 FEET ON THE
22ND. ALONG THE SHORES OF LAKE WATEREE...MINOR FLOODING OCCURRED
FROM THE 21ST THROUGH THE 25TH AS THE LAKE LEVEL CRESTED AT 100.6
FEET ON THE 22ND. FULL POOL FOR LAKE WATEREE IS 100.0 FEET. THIS
PRODUCED SOME MINOR FLOODING OF YARDS AND DOCKS...ESPECIALLY ALONG
WILDLIFE ROAD. THIS ALSO BEGINS TO FLOOD CLEAR VIEW MARINA AND THE
PIERS ON SINGLETON CREEK BECOME SUBMERGED.


YEAR TO DATE MONTHLY TEMPERATURE AND PRECIPITATION STATISTICS...

COLUMBIA SC METROPOLITAN AIRPORT 2014/2015 MONTHLY AVERAGE
TEMPERATURES AND DEPARTURES FROM NORMAL...

          AVG HIGH/DEP   AVG LOW/DEP   AVG TEMP   NORM  DEPARTURE
JAN 2014  52.4/-3.6      28.1/-5.6      40.3      44.8    -4.5
FEB       60.3/ 0.0      37.4/+0.6      48.9      48.5    +0.4
MAR       65.2/-3.0      39.1/-3.9      52.2      55.6    -3.4
APR       78.3/+2.0      52.8/+2.4      65.6      63.4    +2.2
MAY       86.4/+2.6      62.2/+2.7      74.3      71.7    +2.6
JUN       92.4/+2.4      71.6/+3.4      82.0      79.1    +2.9
JUL       92.7/ 0.0      73.4/+1.8      83.0      82.2    +0.8
AUG       92.2/+1.5      71.7/+0.7      82.0      80.8    +1.2
SEP       84.9/-0.3      68.4/+4.2      76.7      74.7    +2.0
OCT       79.9/+3.8      53.6/+1.5      66.8      64.1    +2.7
NOV       63.1/-4.2      38.0/-4.3      50.5      54.8    -4.3
DEC       61.0/+2.8      39.1/+3.8      50.0      46.7    +3.3
ANNUAL    74.2/-1.3      51.3/-1.1      62.7      63.9    -1.2

JAN 2015  55.7/-0.3      33.7/ 0.0      44.7      44.8    -0.1
FEB       54.1/-6.2      32.1/-4.7      43.1      48.5    -5.4
MAR       70.3/+2.1      46.9/+3.9      58.6      55.6    +3.0
APR       77.8/+1.5      50.4/+5.7      67.0      63.4    +3.6


AUGUSTA GA BUSH FIELD 2014/2015 MONTHLY AVERAGE TEMPERATURES AND
DEPARTURES FROM NORMAL...

          AVG HIGH/DEP   AVG LOW/DEP   AVG TEMP   NORM  DEPARTURE
JAN 2014  52.7/-5.2      26.3/-6.5     39.5       45.4    -5.9
FEB       61.9/-2.5      34.9/ 0.0     48.4       49.1    -0.7
MAR       66.1/-3.8      37.6/-4.4     51.9       55.9    -4.0
APR       77.3/ 0.0      49.1/+1.0     63.2       62.7    +0.5
MAY       85.3/+0.3      58.0/+0.7     71.6       71.7    +0.5
JUN       90.7/-0.3      67.2/+1.0     78.9       78.6    +0.3
JUL       92.2/-1.2      68.4/-1.4     80.3       81.6    -1.3
AUG       91.7/-0.1      67.6/-1.7     79.7       80.5    -0.8
SEP       84.9/-1.8      66.6/+4.0     75.7       74.6    +1.1
OCT       81.4/+3.7      49.3/-1.7     65.3       64.4    +0.9
NOV       64.2/-4.9      34.2/-7.2     49.2       55.2    -6.0
DEC       62.3/+2.3      37.4/+2.9     49.8       47.2    +2.6
ANNUAL    74.5/-2.4      48.1/-2.9     61.3       63.9    -2.6

JAN 2015  55.8/-2.1      32.1/-0.7     44.0       45.4    -1.4
FEB       55.4/-6.9      30.1/-5.8     42.8       49.1    -6.3
MAR       71.3/+1.4      45.3/+3.3     58.3       55.9    +2.4
APR       77.8/+0.5      54.9/+6.8     66.3       62.7    +3.6


COLUMBIA SC METROPOLITAN AIRPORT 2014/2015 MONTHLY PRECIPITATION...

               TOTAL   NORMAL   DEPARTURE
              (INCHES)
JAN 2014       3.40     3.58    -0.18
FEB            2.92     3.61    -0.69
MAR            3.93     3.73    +0.20
APR            2.99     2.62    +0.37
MAY            5.72     2.97    +2.75
JUN            1.41     4.69    -3.28
JUL            2.83     5.46    -2.63
AUG            4.88     5.26    -0.38
SEP            2.81     3.54    -0.73
OCT            3.05     3.17    -0.12
NOV            4.37     2.74    +1.63
DEC            3.90     3.22    +0.68
ANNUAL        40.80    44.59    -3.79

JAN 2015       2.60     3.58    -0.98
FEB            4.76     3.61    +1.15
MAR            2.78     3.73    -0.95
APR            4.03     2.62    +1.41


AUGUSTA GA BUSH FIELD 2014/2015 MONTHLY PRECIPITATION...

               TOTAL   NORMAL   DEPARTURE
              (INCHES)
JAN 2014       2.48     3.91     -1.43
FEB            3.73     3.92     -0.19
MAR            2.56     4.18     -1.62
APR            4.59     2.84     +1.75
MAY            5.50     2.65     +2.85
JUN            2.27     4.72     -2.45
JUL            5.53     4.33     +1.20
AUG            1.76     4.32     -2.56
SEP            2.26     3.22     -0.96
OCT            0.61     3.27     -2.66
NOV            3.19     2.82     +0.37
DEC            4.21     3.39     +0.82
ANNUAL        36.42    43.57     -7.15

JAN 2015       2.10     3.91     -1.81
FEB            4.70     3.92     +0.78
MAR            3.04     4.18     -1.14
APR            4.86     2.84     +2.02


THE OUTLOOK FOR MAY...

THE FORECAST CALLS FOR EQUAL CHANCES OF ABOVE...BELOW AND NORMAL
TEMPERATURES AND PRECIPITATION.

THE 3-MONTH OUTLOOK FOR SPRING (MAY/JUNE/JULY)...

THE FORECAST CALLS FOR EQUAL CHANCES OF ABOVE...BELOW AND NORMAL
TEMPERATURES THROUGH THE PERIOD. THERE IS A 33 TO 40 PERCENT CHANCE
OF ABOVE NORMAL PRECIPITATION THROUGH THE 3 MONTH PERIOD.

ENSO (EL NINO SOUTHERN OSCILLATION)...
...EL NINO ADVISORY CONTINUES...

EL NINO CONDITIONS ARE PRESENT ACROSS THE CENTRAL AND EASTERN
PACIFIC. THERE IS APPROXIMATELY 70 PERCENT CHANCE THAT EL NINO
CONDITIONS WILL CONTINUE THROUGH THE NORTHERN HEMISPHERE SUMMER AND
A GREATER THAN 60 PERCENT CHANCE THAT IT WILL LAST THROUGH AUTUMN.

DURING THE LAST FOUR WEEKS...AN INCREASE IN SEA SURFACE TEMPERATURE
ANOMALIES HAVE OCCURRED ACROSS THE EQUATORIAL PACIFIC.

DUE TO THE WEAK STRENGTH OF THE EL NINO...WIDESPREAD OR SIGNIFICANT
GLOBAL WEATHER PATTERN IMPACTS ARE NOT ANTICIPATED.
HOWEVER...CERTAIN IMPACTS OFTEN ASSOCIATED WITH EL NINO MAY APPEAR
THIS SPRING AND EARLY SUMMER IN PARTS OF THE NORTHERN HEMISPHERE.
THIS WOULD INCLUDE WETTER THAN NORMAL CONDITIONS ALONG THE U.S. GULF
COAST AND SOUTHEAST. CLIMATE OUTLOOKS AND ENSO DISCUSSIONS COURTESY
NOAA CLIMATE PREDICTION CENTER...WWW.CPC.NOAA.GOV.

NOTE...
MUCH APPRECIATION GOES OUT TO OUR NWS COOPERATIVE WEATHER
OBSERVERS...COCORAHS (COMMUNITY...COLLABORATIVE...RAIN...HAIL AND
SNOW NETWORK) OBSERVERS...SOUTH CAROLINA STATE CLIMATE
OFFICE...SOUTHEAST REGIONAL CLIMATE CENTER...RICHLAND COUNTY AND
LOCAL WEATHER PARTNERS FOR THE DATA THEY PROVIDE THROUGHOUT THE
YEAR. THEIR HARD WORK AND DEDICATION IS GREATLY APPRECIATED.

TEMPERATURE RECORDS FOR COLUMBIA GO BACK TO 1887 AND FOR AUGUSTA
BACK TO 1873. PRECIPITATION RECORDS FOR COLUMBIA GO BACK TO 1878 AND
FOR AUGUSTA BACK TO 1871.

ADDITIONAL CLIMATE INFORMATION...INCLUDING CURRENT AND ARCHIVED
DAILY AND MONTHLY SUMMARIES...CAN BE FOUND ON THE NATIONAL WEATHER
SERVICE COLUMBIA SC HOME PAGE AT
HTTP://WWW.WEATHER.GOV/CAE .

$$

VAUGHAN
































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