2013 Annual Climate Summary

...2013 ANNUAL CLIMATE SUMMARY...

 

Synopsis

 

2013 is now officially in the history books, and so is its climate. Compared to 2012, 2013 across the Mid-South was much cooler and wetter. However, in comparison to the normal values in our region, 2013 was just slightly below normal in terms of temperature and above normal in terms of precipitation, with the exception of Tupelo which saw a nearly two inch departure below the precipitation normal for the year. Jonesboro recorded the warmest temperature around the region this year with 101 degrees, while Jackson recorded the lowest temperature around the area with 14 degrees. Overall, Memphis was the warmest site this year with an average temperature of 62.1 degrees, while Jackson was the coolest site with an average temperature of 58.5 degrees. This left Memphis and Jackson 1.0 degree and 1.3 degrees below normal for the year, respectively. Jonesboro was the closest to normal this year with its average temperature of 59.7 degrees, resulting in a departure of only 0.3 degrees cooler than the normal. Tupelo had an average temperature of 61.6 degrees in 2013, a 0.9 degree departure below normal for the year.

 

The wettest day around the region this year belonged to Jonesboro, receiving 4.24 inches of precipitation on December 21st. Overall, Memphis received the most precipitation this year with a year-end total of 59.43 inches. This was 5.75 inches above normal. Jackson was the next wettest site with 58.27 inches of precipitation during the year, a 5.10 departure above normal. Tupelo received 53.05 inches of precipitation in 2013, but that was not enough to meet the normal for the year, and thus Tupelo was actually 1.96 inches of precipitation below normal at the end of the year. While Jonesboro had the wettest day all year, it was technically the driest site around the region this year with its precipitation total at 52.42 inches, a 4.32 inch departure above normal.

 

Jonesboro received the most snow this year with 5.5 inches of snowfall; Jackson was second with 0.9 inches, while Memphis and Tupelo tied for third with only a trace of snowfall at each location. This resulted in all of the sites being below normal for the year in snowfall totals. Jonesboro also had the greatest snow depth this year with 4 inches of snow on the ground on March 22nd. Jackson had the second highest snow depth with only 1 inch of snow on the ground on January 31st. Neither Memphis nor Tupelo recorded snow on the ground this year. The earliest freeze this year occurred during the final week of October and into the first days of November for all sites except Memphis, which did not see the first freeze until November 12th. The last freeze (for the 2012-2013 winter) occurred during the first few days of April for all sites except Memphis, which received its last freeze nearly a week earlier on March 24th.

 

The chart below contains significant climate data for the four official reporting sites across the Mid-South during the year 2013:

 

 

                 Memphis

 

Jackson

 

Jonesboro

 

Tupelo

Highest Temperature (F)

98 (9/8)

98 (6/27)

101 (9/10, 6/27)

97 (9/10, 8/30, 7/10)

Lowest Temperature (F)

21 (11/28)

14 (11/28)

16 (12/7)

17 (11/28)

Average Temperature (F)

62.1

58.5

59.7

61.6

Normal Temperature (F)

63.1

59.8

60

62.5

Departure from Normal (F)

-1.0

-1.3

-0.3

-0.9

Wettest Day

4.18" (5/21)

3.56" (4/11)

4.24" (12/21)

2.72” (4/11)

Total Precipitation (inches)

59.43

58.37

52.42

53.05

Normal Precipitation (inches)

53.68

53.27

48.1

55.01

Departure from Normal (inches)

5.75

5.10

4.32

-1.96

Total Snowfall (inches)

T

0.9

5.5

T

Normal Snowfall (inches)

3.8

4.6

Missing

2.1

Departure from Normal (inches)

-3.8

-3.7

Missing

-2.1

Greatest Snow Depth (inches)

0

1 (1/31)

4 (3/22)

0

Earliest Freeze

11/12

10/29

11/2

10/28

Latest Freeze

3/24

4/3

4/2

4/3

Average Wind Speed (MPH)

7.6

5.7

6.7

5.8

 

 

Notable Statistics

 

While many of 2012’s records and notable statistics were to do with the warmest and driest months, 2013 was a contrast to that as all of its notable statistics are for either the coolest or wettest months, with the exception of a dry November in Jackson. The most notable of all these statistics would be Jackson’s second coolest year on record for 2013, which ties 2003 with an average temperature of 58.6 degrees. The full list of notable statistics:

 

Memphis

#4 Wettest May on Record with 10.75”

 

Jackson

#2 (Tied with 2003) Coolest Year on Record at 58.6 degrees

#3 Coolest July on Record at 76.6 degrees

#4 Coolest March on Record at 44.4 degrees

#4 Wettest April on Record with 10.60”

#6 (Tied with 1959) Coolest November on Record at 45.3 degrees

#6 Driest November on Record with 1.83”

#8 Wettest January on Record with 8.29”

#8 Wettest May on Record with 8.59”

 

Jonesboro

#4 Wettest May on Record at 9.81”

#5 (Tied with 1926 and 2000) Coolest November on Record at 45.8 degrees

#7 Coolest March on Record at 44.9 degrees

 

Tupelo

#7 Coolest March on Record at 48.1 degrees

#7 Coolest November on Record at 48.0 degrees

#10 Wettest January on Record at 8.71”

 

 

 

Severe Weather

 

Similar to 2012, 2013 was fortunate to not have had any significant severe weather outbreaks across the Mid-South. Despite this, there were still 13 tornadoes reported across the area in 2013. These tornadoes claimed 2 lives and were the result of at least 5 injuries. The largest severe weather event occurred late in the year on December 21st as a low pressure center and associated fronts moved through the region, resulting in 5 tornadoes and also causing wind damage in many locations. This event alone was responsible for the 2 deaths and 4 of all the injuries reported in 2013. A list of all 13 tornadoes, the date and time they occurred, the intensity rating, and the location are listed in the chart below.

 

 

Date

Time (LST)

EF Rating

Location

Jan 30

0425

EF1

Monroe County, MS (3.4 SSW Greenwood)

Apr 27

2055

EF2

Panola County, MS (3.4 SE Pope)

Apr 27

2013

EF1

Fayette County, TN (0.5 SSE Belmont)

May 30

2355

EF1

St. Francis County, AR (2.5 WSW Wheatley)

May 31

0505

EF1

Tipton County, TN (1.3 WSW Avrett)

Jun 5

1902

EF0

Crittenden County, AR (1.4 NE Redman Pt)

Oct 5

1752

EF0

Obion County, TN (1.6 NE Sharps Ferry)

Oct 31

1837

EF1

Craighead County, AR (0.4 WSW Degelow)

Dec 21

1513

EF2

St. Francis County, AR (6 SW Hughes)

Dec 21

1719

EF2

Coahoma County, MS (Rena Lara/Clarksdale)

Dec 21

1757

EF1

Panola County, MS (10.1 SW Senatobia)

Dec 21

1740

EF1

Tunica County, MS (Flea Harbor Road)

Dec 21

1813

EF0

Tate County, MS (Independence)

 

 

MAYE



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