...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)
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