4th Wettest April at Hattiesburg

THIS IS THE MONTHLY CLIMATE SUMMARY FOR APRIL 2013.

TEMPERATURE INFORMATION...
AFTER A COOL MARCH...UNSEASONABLY LOW TEMPERATURES PERSISTED INTO 
APRIL. MEAN TEMPERATURE DEPARTURES AT AREA CLIMATE SITES RANGED FROM 
0.2 DEGREES BELOW NORMAL AT JACKSON AND MERIDIAN TO 1.8 DEGREES 
BELOW NORMAL AT GREENVILLE. APRIL 2013 RANKED JUST OUTSIDE OF THE 
TOP 10 COOLEST APRILS ON RECORD AT GREENVILLE. THERE WERE ONLY TWO 
NOTABLE STRETCHES OF ABOVE NORMAL TEMPERATURES DURING THE 
MONTH...BETWEEN THE 8TH AND 10TH AND BETWEEN THE 15TH AND 18TH. 
OTHERWISE NEAR TO BELOW NORMAL TEMPERATURES WERE THE RULE... WITH 
WELL BELOW NORMAL TEMPERATURES ON THE 3RD...4TH...19TH AND 20TH.

THE ONE MONTH TEMPERATURE OUTLOOK FOR MAY INDICATES GREATER CHANCES 
FOR BELOW NORMAL TEMPERATURES THAN FOR NEAR OR ABOVE NORMAL 
TEMPERATURES ACROSS THE ENTIRE AREA. THE THREE MONTH OUTLOOK FOR MAY 
THROUGH JULY INDICATES GREATER CHANCES FOR ABOVE NORMAL TEMPERATURES 
THAN FOR NEAR OR BELOW NORMAL TEMPERATURES.


PRECIPITATION INFORMATION...
APRIL PRECIPITATION WAS NEAR NORMAL TO BELOW NORMAL ACROSS THE 
MAJORITY OF THE AREA. THE EXCEPTION WAS PARTS OF SOUTH AND EAST 
MISSISSIPPI. ACROSS MUCH OF THE PINE BELT...PRECIPITATION WAS WELL 
ABOVE NORMAL...WITH HATTIESBURG EXPERIENCING THE 4TH WETTEST APRIL 
ON RECORD AT THAT LOCATION. MONTHLY RAINFALL DEPARTURES AT LOCAL 
CLIMATE SITES RANGED FROM 5.46 INCHES ABOVE NORMAL AT HATTIESBURG TO 
1.36 INCHES BELOW NORMAL AT GREENVILLE.

BELOW ARE THE WETTEST APRILS AT HATTIESBURG...

1. 17.50 (1983)
2. 13.24 (1979)
3. 11.96 (1953)
4. 10.39 (2013)
5. 10.14 (1980)
6. 10.00 (1973)
7.  9.72 (1994)
8.  9.28 (1997)
9.  8.79 (1991)
10. 8.21 (1974)

THE LATEST U.S. DROUGHT MONITOR INDICATES NO DROUGHT CONDITIONS 
ACROSS THE NWS JACKSON FORECAST AREA AND THE LATEST DROUGHT OUTLOOK 
INDICATES NO ADDITIONAL DROUGHT DEVELOPMENT ACROSS THE AREA THROUGH 
JULY.

THE ONE MONTH PRECIPITATION OUTLOOK FOR MAY INDICATES GREATER 
CHANCES FOR ABOVE NORMAL PRECIPITATION THAN FOR NEAR OR BELOW NORMAL 
PRECIPITATION FOR AREAS SOUTH AND EAST OF THE NATCHEZ TRACE. 
ELSEWHERE...THERE ARE EQUAL CHANCES FOR ABOVE NORMAL...NORMAL...AND 
BELOW NORMAL PRECIPITATION. THE OUTLOOK FOR MAY THROUGH JULY 
INDICATES EQUAL CHANCES FOR ABOVE NORMAL...NORMAL...AND BELOW NORMAL 
PRECIPITATION.


SIGNIFICANT WEATHER EVENTS...
ON THE WHOLE...THE MONTH OF APRIL WAS RELATIVELY QUIET BY TYPICAL 
SPRING SEVERE WEATHER SEASON STANDARDS. HOWEVER...OUT OF THE FEW 
SEVERE WEATHER EVENTS THAT DID OCCUR...ONE OF THEM WAS RATHER 
SIGNIFICANT.

THE FIRST...AND MOST MEMORABLE...STORM SYSTEM TO AFFECT THE REGION 
WAS A SLOW-MOVING COLD FRONT THAT ENTERED THE DELTA ON THE EVENING 
OF THE 10TH AND DID NOT EXIT EAST MISSISSIPPI UNTIL THE AFTERNOON OF 
THE 11TH. A FEW STRONG TO SEVERE STORMS PRODUCED HAIL OVER NORTHEAST 
LOUISIANA AND SOUTHEAST ARKANSAS ON THE EVENING OF THE 10TH. A MORE 
POTENT ROUND OF SEVERE STORMS DEVELOPED ON THE MORNING OF THE 11TH. 
ONE OF THESE STORMS PRODUCED A LONG-TRACK EF-3 TORNADO WHICH MOVED 
ACROSS KEMPER AND NOXUBEE COUNTIES AND INTO WESTERN ALABAMA. THE 
TORNADO WAS ON THE GROUND FOR OVER 68 MILES...WHICH RANKS AS THE 
23RD LONGEST TORNADO TRACK IN MISSISSIPPI HISTORY. TRAGICALLY...ONE 
LIFE WAS LOST AND NINE OTHER INDIVIDUALS WERE INJURED IN THIS 
TORNADO. ADDITIONAL STORMS DOWNED TREES IN JONES...FORREST... 
JASPER...CLARKE AND CLAY COUNTIES.

ANOTHER POTENT STORM SYSTEM PRODUCED A SERIES OF WEAK TORNADOES 
ACROSS THE ARKLAMISS DELTA ON THE EVENING OF APRIL 18TH. TORNADOES 
OCCURRED IN ASHLEY AND CHICOT COUNTIES IN ARKANSAS...MADISON AND 
EAST CARROLL PARISHES IN LOUISIANA...AND ISSAQUENA...WASHINGTON AND 
SHARKEY COUNTIES IN MISSISSIPPI. FORTUNATELY THERE WERE NO INJURIES 
AND DAMAGE WAS RELATIVELY MINIMAL.

OTHERWISE...THERE WERE ONLY A FEW OTHER DAYS WITH SIGNIFICANT 
WEATHER REPORTS. SOME LOCALIZED FLOODING OCCURRED IN THE PINE BELT 
ON THE MORNING OF THE 14TH AND ON THE 28TH...AND THERE WERE A COUPLE 
REPORTS OF QUARTER SIZED HAIL ON THE EVENING OF THE 27TH IN CENTRAL 
MISSISSIPPI.



NEWLY ESTABLISHED RECORDS...

DATE    SITE    RECORD TYPE     NEW RECORD   PREV RECORD(DATE) 

3RD     KGLH    LOW MAX TEMP    45           50(1951/1987)
3RD     KGWO    LOW MAX TEMP    50           51(1975/1987)
4TH     KGLH    LOW MAX TEMP    47           55(1987)
4TH     KGWO    LOW MAX TEMP    50           52(1987)
4TH     KJAN    LOW MAX TEMP    53           54(1987)
4TH     KTVR    LOW MAX TEMP    50           51(1975/1987)
9TH     KHBG    HIGH MIN TEMP   70           69(1999)
10TH    KTVR    HIGH MIN TEMP   71           70(1965/1999/2008/2011)
11TH    KTVR    DAILY RAINFALL  1.75         1.64(1995)
16TH    KGLH    HIGH MIN TEMP   71           69(1998)
16TH    KGWO    HIGH MIN TEMP   71           70(1982)
16TH    KHBG    HIGH MIN TEMP   71           67(1973)
16TH    KJAN    HIGH MIN TEMP   71           70(1982)
16TH    KTVR    HIGH MIN TEMP   72           70(1998)
18TH    KGWO    DAILY RAINFALL  1.58         1.12(1959)
19TH    KTVR    LOW MAX TEMP    61           63(1953/1969) 
20TH    KGWO    LOW MIN TEMP    37           62(1991)
24TH    KGLH    LOW MIN TEMP    43(TIE)      43(1969/1982/2005/2012)
25TH    KGLH    LOW MIN TEMP    37           43(1943/1983)
25TH    KGWO    LOW MIN TEMP    38           42(1983)
26TH    KGWO    LOW MIN TEMP    44(TIE)      44(1992)



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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