...2013 OFF TO A WET AND WARM START...

THIS IS THE MONTHLY CLIMATE SUMMARY FOR JANUARY 2013.

TEMPERATURE INFORMATION...
FOR THE SECOND MONTH IN A ROW...AVERAGE MONTHLY TEMPERATURES WERE 
WELL ABOVE NORMAL ACROSS THE ENTIRE NWS JACKSON FORECAST AREA. MEAN 
TEMPERATURE DEPARTURES AT AREA ASOS SITES RANGED FROM 4.5 DEGREES 
ABOVE NORMAL AT GREENWOOD TO 5.3 DEGREES ABOVE NORMAL AT VICKSBURG/ 
TALLULAH. AFTER A WARM NEW YEARS DAY THE MONTH BEGAN WITH A STRETCH 
OF BELOW NORMAL TEMPERATURES FROM THE 2ND THROUGH THE 7TH. THIS WAS 
FOLLOWED BY SEVERAL DAYS OF WELL ABOVE NORMAL TEMPERATURES. DAILY 
AVERAGE TEMPERATURE DEPARTURES OF OVER 20 DEGREES ABOVE NORMAL 
OCCURRED IN SOME LOCATIONS. SEVERAL NEW DAILY TEMPERATURE RECORDS 
WERE SET DURING THIS STRETCH OF TIME. BELOW NORMAL TEMPERATURES 
RETURNED BETWEEN THE 14TH AND 18TH...WITH MULTIPLE BOUTS OF WINTER 
WEATHER OCCURRING DURING THIS TIME FRAME. HOWEVER WELL ABOVE NORMAL 
TEMPS RETURNED FOR THE BALANCE OF THE MONTH...WITH DAILY AVERAGE 
TEMPERATURE DEPARTURES AS LARGE AS 26 DEGREES ABOVE NORMAL ON THE 
29TH. THE UNSEASONABLE WARMTH LED TO NUMEROUS NEW DAILY TEMPERATURE 
RECORDS. IT WAS ALSO THE 7TH WARMEST JANUARY ON RECORD AT 
VICKSBURG/TALLULAH AND THE 10TH WARMEST AT HATTIESBURG.

BELOW ARE THE WARMEST JANUARIES FOR THE FOLLOWING SITES...

  VICKSBURG/TALLULAH       HATTIESBURG 
1.  58.7 (1950)          1.  65.5 (1950)
2.  56.8 (1952)          2.  59.4 (1952)
3.  52.7 (1953)          3.  58.7 (1949)
4.  52.2 (1949)          4.  58.2 (1974)
5.  51.9 (2012)          5.  55.4 (1957)
6.  51.7 (2006)          6.  55.0 (2012)
7.  50.8 (2013)          7.  54.3 (2006)
8.  50.7 (1989)          8.  54.0 (1953)
9.  50.6 (1999)          9.  53.9 (1989)
10. 50.5 (1954)         10.  53.5 (2013)

THE ONE MONTH TEMPERATURE OUTLOOK FOR FEBRUARY INDICATES GREATER 
CHANCES FOR ABOVE NORMAL TEMPERATURES ACROSS THE ENTIRE NWS JACKSON 
FORECAST AREA THAN FOR NEAR OR BELOW NORMAL TEMPERATURES. THE THREE 
MONTH OUTLOOK FOR FEBRUARY THROUGH APRIL INDICATES GREATER CHANCES 
FOR ABOVE NORMAL TEMPERATURES THAN FOR NEAR OR BELOW NORMAL 
TEMPERATURES FOR AREAS WEST OF I-55. ACROSS THE REMAINDER OF THE 
AREA THERE ARE EQUAL CHANCES FOR ABOVE...NEAR OR BELOW NORMAL 
TEMPERATURES.


PRECIPITATION INFORMATION...
JANUARY ALSO CONTINUED A TREND OF ABOVE NORMAL PRECIPITATION FROM 
THE END OF 2012. MONTHLY RAINFALL DEPARTURES AT AREA ASOS SITES 
RANGED FROM 2.19 INCHES ABOVE NORMAL AT HATTIESBURG TO 8.21 INCHES 
ABOVE NORMAL AT VICKSBURG/TALLULAH. DURING THE MONTH THERE WERE 10 
CONSECUTIVE DAYS OF MEASURABLE PRECIPITATION (GREATER THAN OR EQUAL 
TO 0.01") AT JACKSON...HATTIESBURG...AND VICKSBURG/TALLULAH. THE 
STREAK AT VICKSBURG/TALLULAH TIED AS THE 2ND LONGEST STREAK ON 
RECORD AT THE SITE. THE STREAKS AT JACKSON AND HATTIESBURG TIED AS 
THE 7TH LONGEST STREAK ON RECORD AT EACH SITE. THERE WERE ALSO NINE 
STRAIGHT DAYS OF MEASURABLE PRECIPITATION AT GREENWOOD...WHICH TIED 
AS THE THIRD LONGEST STREAK ON RECORD AT THAT LOCATION. DUE TO THE 
EXCESSIVE RAINFALL...RIVER FLOODING WAS AN ISSUE FOR MUCH OF THE 
MONTH. AT LEAST ONE RIVER FLOOD WARNING WAS IN EFFECT FOR 28 OUT OF 
31 DAYS OF THE MONTH...WITH AS MANY AS 25 RIVER FORECAST POINTS 
UNDER A WARNING SIMULTANEOUSLY DURING THE MIDDLE OF THE MONTH.

BELOW ARE THE WETTEST JANUARIES FOR THE FOLLOWING SITES...

  VICKSBURG/TALLULAH       GREENVILLE          MERIDIAN 
1. 15.69 (1974)          1. 12.12 (1951)     1. 18.77 (1937)
2. 14.08 (1979)          2. 12.05 (1949)     2. 13.19 (1998)
3. 13.28 (2013)          3. 11.35 (1979)     3. 13.09 (1947)
4. 12.35 (1999)          4. 10.45 (1974)     4. 11.37 (1993)
5. 11.97 (1990)          5.  9.25 (1973)     5. 11.23 (1990)
6. 10.67 (1998)          6.  8.74 (1982)     6. 11.02 (1972)
7.  9.78 (1972)          7.  8.64 (2013)     7.  9.82 (1918)
8.  9.43 (1989)          8.  8.43 (1957)     8.  9.76 (2013)
9.  9.34 (1949)          9.  8.25 (1972)     9.  9.18 (1891) 
10. 9.07 (1951)         10.  8.24 (1989)    10.  8.89 (1913)

THANKS TO THE RECENT EXCESSIVE RAINFALL THE LATEST U.S. DROUGHT 
MONITOR INDICATES NO DROUGHT CONDITIONS EXIST ACROSS THE NWS JACKSON 
FORECAST AREA. THE LATEST DROUGHT OUTLOOK INDICATES NO ADDITIONAL 
DROUGHT DEVELOPMENT ACROSS THE AREA THROUGH APRIL 2013.

THE ONE MONTH PRECIPITATION OUTLOOK FOR FEBRUARY INDICATES GREATER 
CHANCES FOR BELOW NORMAL PRECIPITATION THAN FOR NEAR OR ABOVE NORMAL 
PRECIPITATION FOR AREAS SOUTH OF I-20. ACROSS THE REMAINDER OF THE 
AREA...THERE ARE EQUAL CHANCES FOR ABOVE NORMAL...NORMAL...AND BELOW 
NORMAL PRECIPITATION. THE THREE MONTH OUTLOOK FOR FEBRUARY THROUGH 
APRIL INDICATES GREATER CHANCES FOR BELOW NORMAL PRECIPITATION THAN 
FOR NEAR OR ABOVE NORMAL PRECIPITATION ACROSS CENTRAL AND SOUTH 
MISSISSIPPI AND NORTHEAST LOUISIANA. ELSEWHERE...THERE ARE EQUAL 
CHANCES FOR ABOVE NORMAL...NORMAL...AND BELOW NORMAL PRECIPITATION.


SIGNIFICANT WEATHER EVENTS...
LIMITED RIVER FLOODING WAS ONGOING AT THE BEGINNING OF THE MONTH. 
THEN HEAVY RAINFALL EVENTS ON THE 9TH THROUGH THE 15TH LED TO 
ADDITIONAL FLOODING ON SEVERAL RIVERS AND CREEKS ACROSS THE AREA. 
RIVER FLOODING PEAKED DURING THE MIDDLE OF THE MONTH...WHEN THERE 
WERE AS MANY AS 25 NWS JACKSON RIVER FORECAST POINTS SIMULTANEOUSLY 
UNDER FLOOD WARNINGS. THE LAST RIVER FLOOD WARNING WAS CANCELED WHEN 
THE BIG BLACK RIVER FELL BELOW FLOOD STAGE AT BOVINA ON THE 30TH.

THE RAINFALL EVENT ON THE 10TH BROUGHT FLASH FLOODING TO MUCH OF 
NORTHEAST LOUISIANA...SOUTHEAST ARKANSAS AND WEST MISSISSIPPI. 
HARDEST HIT WAS NORTHEAST LOUISIANA...WHERE UP TO A FOOT OF RAIN WAS 
REPORTED IN CATAHOULA PARISH. SEVERAL ROADS WERE FLOODED AND SOME 
ROADS WERE DAMAGED BY FLOODING. MULTIPLE HOMES IN THE AREA WERE 
FLOODED AS WELL...LEADING TO THE EVACUATION OF OVER 100 PEOPLE IN 
FRANKLIN PARISH. IN ADDITION TO THE FLOODING SOME TREES WERE BLOWN 
DOWN BY SEVERE THUNDERSTORMS IN CLAIBORNE AND JEFFERSON COUNTIES IN 
MISSISSIPPI.

ADDITIONAL FLASH FLOODING WAS REPORTED ON THE 12TH IN GREENWOOD... 
WHERE SEVERAL STREETS AND A FEW HOMES WERE FLOODED. ON THE 13TH MORE 
FLASH FLOODING WAS REPORTED ACROSS THE ARKLAMISS DELTA...WITH 
SEVERAL ROADS CLOSED IN THE AREA FROM BASTROP LA AND CROSSETT AR TO 
CLEVELAND AND GREENWOOD IN MISSISSIPPI.

ACTIVE WEATHER CONTINUED INTO THE 14TH AS WINTER WEATHER MOVED INTO 
THE FOREFRONT. THERE WERE TWO BOUTS OF FREEZING RAIN WHICH CAUSED 
ICING OVER PORTIONS OF NORTHEAST LOUISIANA...SOUTHEAST ARKANSAS AND 
NORTHWESTERN PORTIONS OF CENTRAL MISSISSIPPI. THE FIRST ROUND 
OCCURRED DURING THE DAYTIME HOURS OF THE 14TH...AND THE SECOND 
OCCURRED DURING THE DAYTIME AND EVENING HOURS OF THE 15TH. IN MANY 
LOCATIONS TEMPERATURES REMAINED BELOW FREEZING DURING THE ENTIRE 
TIME PERIOD. ICING GENERALLY OCCURRED NORTHWEST OF THE NATCHEZ 
TRACE...WITH ACCUMULATIONS OF UP TO A HALF INCH OVER THE ARKLAMISS 
DELTA ON TREES...UTILITY LINES AND BRIDGES. SEVERAL TRAFFIC 
ACCIDENTS WERE REPORTED ACROSS THE AREA AND SOME TREES WERE DOWNED.

FOLLOWING THE ICE EVENT...A STRONG UPPER LEVEL STORM SYSTEM BROUGHT 
A ROUND OF SNOW TO MUCH OF CENTRAL MISSISSIPPI ON THE 17TH. SNOWFALL 
AMOUNTS WERE GENERALLY AROUND 2 TO 3 INCHES FROM THE I-55 CORRIDOR 
BETWEEN GRENADA AND JACKSON EASTWARD TO THE ALABAMA STATE LINE. 
HOWEVER THERE WERE SOME HEAVIER NORTH-TO-SOUTH ORIENTED SNOW 
BANDS...CREATING LARGE VARIATIONS IN ACCUMULATION AMOUNTS OVER SHORT 
DISTANCES. AMOUNTS AS HIGH AS 6 INCHES WERE REPORTED NEAR ACKERMAN 
IN CHOCTAW COUNTY. SOME ROADWAYS WERE VERY TREACHEROUS DURING THE 
SNOW EVENT...BUT THE SNOW QUICKLY MELTED AFTER ENDING AS THE SUN 
RETURNED AND TEMPERATURES WARMED INTO THE 40S AND 50S.

AFTER A RELATIVE LULL IN ACTIVITY...ACTIVE WEATHER RETURNED BY THE 
END OF THE MONTH. A STRONG COLD FRONT BROUGHT A ROUND OF SEVERE 
THUNDERSTORMS TO THE REGION. SEVERAL TREES AND POWER LINES WERE 
DOWNED. THREE TORNADOES WERE CONFIRMED...ALL OF WHICH OCCURRED IN 
THE ARKLAMISS DELTA. ONE OF THE TORNADOES...WHICH TRACKED NEAR 
GOODWILL IN WEST CARROLL PARISH LOUISIANA...WAS RATED EF-2. 
FORTUNATELY NO INJURIES WERE REPORTED ACROSS THE NWS JACKSON 
FORECAST AREA.


NEWLY ESTABLISHED RECORDS...

DATE    SITE    RECORD TYPE     NEW RECORD   PREV RECORD(DATE) 

9TH     KGLH    DAILY RAINFALL  1.87         1.70(1968)
10TH    KTVR    DAILY RAINFALL  5.37         2.10(1968)
11TH    KHBG    HIGH MIN TEMP   64 (TIE)     64(1974)
12TH    KGLH    HIGH MAX TEMP   75 (TIE)     75(1928)
12TH    KGWO    HIGH MAX TEMP   75 (TIE)     75(1995,2005)
12TH    KHBG    HIGH MAX TEMP   79           77(1960)
12TH    KTVR    HIGH MAX TEMP   78           76(1960,1995)
12TH    KGLH    HIGH MIN TEMP   66           63(1995)
12TH    KGWO    HIGH MIN TEMP   66           65(1995)
12TH    KHBG    HIGH MIN TEMP   70           64(2005)
12TH    KJAN    HIGH MIN TEMP   68           65(1898)
12TH    KMEI    HIGH MIN TEMP   68           66(1890,1898)
12TH    KTVR    HIGH MIN TEMP   69           62(1995,2005)
12TH    KGWO    DAILY RAINFALL  2.63         1.78(1989)
13TH    KGLH    DAILY RAINFALL  2.24         2.10(1939)
13TH    KMEI    DAILY RAINFALL  2.21         1.65(1995)
14TH    KJAN    DAILY RAINFALL  1.48         1.38(1971)
15TH    KGLH    LOW MAX TEMP    32           33(1982)
15TH    KGWO    LOW MAX TEMP    34 (TIE)     34(1994)
16TH    KMEI    DAILY SNOWFALL  T (TIE)      T(1959,64,65,98,2007)
17TH    KJAN    DAILY SNOWFALL  1.7          0.7(1948)
28TH    KGLH    HIGH MIN TEMP   60 (TIE)     60(1975)
28TH    KTVR    HIGH MIN TEMP   60           59(1975)
29TH    KGWO    HIGH MAX TEMP   79           76(1950,1975,2002)
29TH    KTVR    HIGH MAX TEMP   81 (TIE)     81(1975)


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)

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.