Spring Off to a Cool Start

THIS IS THE MONTHLY CLIMATE SUMMARY FOR MARCH 2013.

TEMPERATURE INFORMATION...
AFTER AN UNSEASONABLY WARM WINTER...SPRING BEGAN WITH AN 
UNSEASONABLY COOL MARCH. MEAN TEMPERATURES FOR THE MONTH RANGED FROM 
4.7 DEGREES BELOW NORMAL AT JACKSON AND VICKSBURG/TALLULAH TO 6.5 
DEGREES BELOW NORMAL AT GREENWOOD. BELOW NORMAL TEMPERATURES CARRIED 
OVER FROM THE END OF FEBRUARY...WITH DAILY AVERAGE READINGS AS MUCH 
AS 15-20 DEGREES BELOW NORMAL FROM THE 1ST THROUGH THE 3RD. THERE 
WAS A BRIEF BREAK FROM THE ABNORMALLY COOL CONDITIONS ON THE 9TH AND 
10TH...THEN UNSEASONABLE COLD RETURNED FROM THE 11TH THROUGH THE 
14TH. THERE WAS ONE MORE BRIEF STRETCH OF ABOVE NORMAL TEMPERATURES 
FROM THE 15TH THROUGH THE 18TH...THEN READINGS WERE GENERALLY BELOW 
NORMAL THROUGH THE REMAINDER OF THE MONTH. LATE SEASON FREEZES ON 
THE 26TH AND 27TH DAMAGED SOME CROPS IN SOUTH MISSISSIPPI. MARCH 
2013 RANKED AS THE 4TH COOLEST MARCH ON RECORD AT GREENWOOD AND 
HATTIESBURG...THE 5TH COOLEST AT GREENVILLE...THE 6TH COOLEST AT 
VICKSBURG/TALLULAH...AND THE 7TH COOLEST AT MERIDIAN.

BELOW ARE THE COOLEST MARCHES FOR THE FOLLOWING SITES...

  GREENWOOD           HATTIESBURG      GREENVILLE 
1.  45.1 (1960)     1. 51.8 (1969)   1. 44.1 (1960) 
2.  48.0 (1965)     2. 52.6 (1960)   2. 46.2 (1965) 
3.  48.8 (1969)     3. 53.4 (1996)   3. 48.2 (1958) 
4.  49.0 (2013)     4. 53.7 (2013)   4. 48.4 (1969) 
5.  49.7 (1958)     5. 54.1 (1978)   5. 49.5 (2013) 
6.  50.5 (1962)        54.1 (1968)   6. 49.9 (1996) 
7.  50.6 (1980)     7. 54.5 (2010)   7. 50.9 (1993) 
8.  50.9 (2001)     8. 54.7 (1958)      50.9 (1962) 
    50.9 (1978)     9. 53.8 (1993)   9. 51.3 (2001) 
10. 52.1 (1996)    10. 53.9 (2001)      51.3 (1941)

  VICKSBURG/TALLULAH    MERIDIAN 
1.  48.5 (1960)       1. 47.3 (1915) 
2.  49.7 (1965)       2. 47.8 (1960) 
3.  52.3 (1978)       3. 48.8 (1969) 
4.  52.4 (1983)       4. 50.0 (1978) 
    52.4 (1962)       5. 50.2 (1947)  
6.  52.5 (2013)       6. 50.6 (1941) 
    52.5 (2001)       7. 50.8 (2013)  
    52.5 (1996)          50.8 (1892) 
9.  52.7 (1958)       9. 51.0 (1931) 
10. 52.8 (1993)          51.0 (1926)  

BOTH THE ONE MONTH TEMPERATURE OUTLOOK FOR APRIL AND THREE MONTH 
OUTLOOK FOR APRIL THROUGH JUNE INDICATE GREATER CHANCES FOR ABOVE 
NORMAL TEMPERATURES THAN FOR NEAR OR BELOW NORMAL TEMPERATURES 
ACROSS THE NWS JACKSON FORECAST AREA.


PRECIPITATION INFORMATION...
MARCH PRECIPITATION VARIED FROM ABOVE NORMAL RAINFALL TO THE NORTH 
OF I-20 TO BELOW NORMAL ALONG AND SOUTH OF 1-20 AND OVER MOST OF 
SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA. AT THE LOCAL ASOS 
SITES...MONTHLY RAINFALL DEPARTURES RANGED FROM 3.35 INCHES BELOW 
NORMAL AT HATTIESBURG TO 1.51 INCHES ABOVE NORMAL AT GREENWOOD. SOME 
AREAS OF NORTH CENTRAL MISSISSIPPI WERE OVER THREE INCHES ABOVE 
NORMAL...WHILE SOME AREAS IN FAR SOUTH MISSISSIPPI WERE OVER FOUR 
INCHES BELOW NORMAL. THE MONTH TIED AS THE 5TH DRIEST MARCH ON 
RECORD AT HATTIESBURG.

BELOW ARE THE DRIEST MARCHES AT HATTIESBURG...

1. 0.34 (1955)
2. 0.81 (2007)
3. 1.37 (2004)
4. 1.63 (1967)
5. 2.15 (2013)
   2.15 (2006)

THE LATEST U.S. DROUGHT MONITOR INDICATES ABNORMALLY DRY CONDITIONS 
OVER MOREHOUSE PARISH LOUISIANA AND ASHLEY COUNTY ARKANSAS. THE 
LATEST DROUGHT OUTLOOK INDICATES NO ADDITIONAL DROUGHT DEVELOPMENT 
ACROSS THE AREA THROUGH JUNE 2013.

THE ONE MONTH PRECIPITATION OUTLOOK FOR APRIL INDICATES GREATER 
CHANCES FOR ABOVE NORMAL PRECIPITATION THAN FOR NEAR OR BELOW NORMAL 
PRECIPITATION ACROSS THE NWS JACKSON FORECAST AREA. THE OUTLOOK FOR 
APRIL THROUGH JUNE INDICATES GREATER CHANCES FOR BELOW NORMAL 
PRECIPITATION THAN FOR NEAR OR ABOVE NORMAL PRECIPITATION ACROSS 
PORTIONS OF SOUTH MISSISSIPPI. ELSEWHERE...THERE ARE EQUAL CHANCES 
FOR ABOVE NORMAL...NORMAL...AND BELOW NORMAL PRECIPITATION.


SIGNIFICANT WEATHER EVENTS...
THE FIRST HALF OF MARCH WAS RELATIVELY QUIET ACROSS THE REGION. SOME 
LATE SEASON SNOW FLURRIES WERE REPORTED MAINLY IN AREAS ALONG AND 
NORTH OF I-20 ON THE 2ND. THERE WERE NO ACCUMULATIONS OF NOTE. ON 
THE 4TH...STRONG GRADIENT WINDS DOWNED SOME TREES. ONE TREE FELL ON 
A HOUSE IN NATCHEZ.

BY FAR...THE MOST SIGNIFICANT WEATHER EVENT DURING THE MONTH 
OCCURRED ON THE 18TH AS A SERIES OF SEVERE THUNDERSTORMS DROPPED 
VERY LARGE HAIL IN WIDE SWATHS ACROSS THE AREA. THE LARGEST HAIL 
REPORTED IN THE NWS JACKSON FORECAST AREA WAS SOFTBALL SIZE AND FELL 
IN CLINTON. THIS WAS THE 7TH LARGEST HAILSTONE TO FALL IN THE STATE 
OF MISSISSIPPI ON RECORD. THE SAME STORM PRODUCED VERY LARGE HAIL IN 
A LONG PATH FROM NEAR CROSSETT ARKANSAS...TO NORTH OF VICKSBURG... 
THROUGH THE HEART OF THE JACKSON METRO AREA TO JONES COUNTY. THERE 
WAS SIGNIFICANT DAMAGE TO VEHICLES AND BUILDINGS...AND THERE WAS 
ALSO AT LEAST ONE INJURY. HAIL OF GOLFBALL SIZE OR LARGER WAS 
REPORTED IN ADAMS...CLAIBORNE...COVINGTON...FRANKLIN...HINDS... 
JASPER...JEFFERSON...JONES...LAWRENCE...LEAKE...LINCOLN...MADISON... 
MARION...NEWTON...RANKIN...SCOTT...SIMPSON...SMITH...SUNFLOWER... 
WARREN...AND WASHINGTON COUNTIES IN MISSISSIPPI...ASHLEY COUNTY 
ARKANSAS...AND EAST CARROLL...MOREHOUSE AND WEST CARROLL PARISHES IN 
LOUISIANA. THERE WERE ALSO SOME REPORTS OF WIND DAMAGE FROM GRENADA 
EASTWARD TO THE GOLDEN TRIANGLE. THE TOP OF A WATER TOWER WAS BLOWN 
OFF IN MABEN.

ANOTHER SEVERE WEATHER EVENT TOOK PLACE FROM THE LATE NIGHT OF THE 
22ND THROUGH THE EARLY MORNING ON THE 24TH. THERE WERE ONLY ISOLATED 
SEVERE STORMS ON THE EVENING OF THE 22ND. THE BRUNT OF THE SEVERE 
WEATHER OCCURRED FROM THE AFTERNOON ON THE 23RD INTO THE VERY EARLY 
MORNING HOURS OF THE 24TH. SEVERAL STORMS PRODUCED HAIL UP TO 
GOLFBALL SIZE. ONE CLUSTER OF STORMS...WHICH TRACKED ALONG THE 
ARKANSAS AND LOUISIANA BORDER TO WEST OF BELZONI PRODUCED HAIL UP TO 
BASEBALL SIZE AND CAUSED LARGE ACCUMULATIONS OF HAIL WHICH COVERED 
ROADWAYS. THIS STORM ALSO CAUSED QUITE A BIT OF WIND DAMAGE WITH 
SHEDS BLOWN DOWN IN MOREHOUSE PARISH...A ROOF REMOVED FROM A MOBILE 
HOME IN WEST CARROLL PARISH...A BARN SIGNIFICANTLY DAMAGED NEAR LAKE 
PROVIDENCE...A ROOF DAMAGED NEAR GLEN ALLEN...A SHED BLOWN APART IN 
NORTHERN ISSAQUENA COUNTY...AND A ROOF BLOWN OFF A TRAILER NEAR 
NITTA YUMA.

AN ISOLATED STORM CAUSED WIND DAMAGE IN CONCORDIA PARISH ON THE 
AFTERNOON OF THE 30TH...THEN A LINE OF SEVERE STORMS DOWNED SEVERAL 
TREES AND SOME POWER LINES ACROSS NORTHEAST LOUISIANA AND PARTS OF 
SOUTHWEST MISSISSIPPI ON THE AFTERNOON OF THE 31ST.


NEWLY ESTABLISHED RECORDS...

DATE    SITE    RECORD TYPE     NEW RECORD   PREV RECORD(DATE) 

2ND     KHBG    LOW MAX TEMP    45 (TIE)     45(1980/2010)
2ND     KJAN    DAILY SNOWFALL  T (TIE)      T(1942/1980)
22ND    KGWO    DAILY RAINFALL  1.16         1.09(1953)
23RD    KGLH    DAILY RAINFALL  2.13         1.49(1948)
23RD    KGWO    DAILY RAINFALL  1.87         1.59(1969)
27TH    KTVR    LOW MIN TEMP    25 (TIE)     25(1955)
28TH    KGWO    LOW MIN TEMP    32           35(1955/1978)
28TH    KHBG    LOW MIN TEMP    32           35(1969/1978)
28TH    KTVR    LOW MIN TEMP    31           32(1983)


NOTES...

ALL DATA ABOVE ARE PRELIMINARY AND HAVE NOT UNDERGONE FINAL QUALITY 
CONTROL BY THE NATIONAL CLIMATIC DATA CENTER (NCDC). THEREFORE... 
THESE DATA ARE SUBJECT TO REVISION. FINAL AND CERTIFIED DATA CAN BE 
ACCESSED AT THE NCDC WEBPAGE - HTTP://WWW.NCDC.NOAA.GOV (ALL LOWER 
CASE).

TEMPERATURE/PRECIPITATION NORMALS ARE BASED ON THE 1981-2010 
CLIMATOLOGICAL PERIOD. DATA ARE PROVIDED BY NCDC.

FOR ADDITIONAL LOCAL CLIMATE INFORMATION PLEASE VISIT THE NWS 
JACKSON CLIMATE ZONE AT: 
HTTP://WWW.WEATHER.GOV/JAN/?N=CLIMATE_ZONE_STATION_LIST 
(ALL LOWER-CASE)

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