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December 2009

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North Carolina Climate, the monthly newsletter of the State Climate Office of NC, covers a monthly climate summary for November with impacts to agriculture and water resources, as well as an overview of the new "Winter Weather" section of the SCO website.
PDF version available for printing.

Climate Summary

Departures from Normal
Temperature and Precipitation by climate division
Departures from Normal for November 2009 - based on preliminary data.

November 2009 was a little warm and very wet. Statewide temperatures were generally 2 degrees Fahrenheit above normal while rainfall amounts were 1-5 inches above normal. The wettest areas were in the eastern and northern counties, where rainfall amounts for November were greater than 200% of normal.

In a unique set of events, the remnants of Tropical Storm Ida brought heavy rainfall to central and eastern NC in early November. Much of the moisture and energy associated with those remnants then developed into a coastal winter-type storm that continued heavy rains for eastern counties.

November 2009 rainfall ranked within the top 5 wettest Novembers since 1895 for the northern Piedmont, central Piedmont, central Coastal Plain, and northern Coastal Plain climate divisions. For the central Coastal Plain climate division (which includes Johnston, Lenoir, and Carteret Counties), November 2009 ranked as the WETTEST November since 1895. Statewide, precipitation in November 2009 ranks as the 5th wettest since 1895.

 

Impacts to Agriculture and Water Resources

Across the state, wet conditions have delayed the harvest of remaining soybean and cotton crops. However, winter grain planting is generally on schedule.

Rainfall from the remnants of Ida and the secondary coastal storm brought widespread recovery to all reservoirs and most streams. A few groundwater wells in central NC have not fully recovered, but otherwise drought impacts were not observed by the end of November. Abnormally Dry (D0) conditions remained due to longer-term rainfall deficits in central NC and low groundwater level at monitoring wells in Orange and Moore Counties. The NC Drought Management Advisory Council continues to hold weekly monitoring meetings to closely monitor for drought impacts.

MPE Precipitation
Precipitation for November 2009
Based on estimates from NWS Radar
Data courtesy NWS/NCEP

MPE Precipitation Percent of Normal
Precipitation for November 2009: Percent of Normal
Based on estimates from NWS Radar
Data courtesy NWS/NCEP

 

Change in US Drought Monitoring Status during November 2009
Provided by the NC DENR Division of Water Resources

November 2009 Drought

 

New Winter Weather Pages!

Courtesy of undergraduate interns Bradley McLamb and Elizabeth Wilson, our office has recently released a new and improved version of the “Winter Weather” section of the SCO website. These new pages include:

  • A general climatology discussion of winter weather across the state, along with maps of average annual snowfall and sleet/freezing rain events

  • In-depth explanations of the different winter precipitation types including: snow, sleet, freezing rain, and cold rain

  • Information on different types of snow (i.e. dry vs. wet snow)

  • An overview of both large and small scale atmospheric patterns responsible for winter weather in North Carolina including: cold air outbreaks, cold air damming, and different types of winter storms

  • A breakdown of the impacts winter weather has on North Carolina

  • A detailed study of North Carolina winter weather climatology including storm frequencies, precipitation distribution, precipitation type transitions, and recurrence of winter weather across the state

  • A winter storm database, which allows users to search for winter storms based on the county, date, and/or event type. All results matching a user’s search criteria will be listed in a table with links to more details including an event summary with impacts, a NWS case study (if available), as well as an interactive map containing hourly and/or daily storm data from any available stations in the CRONOS database for that event.

The new winter weather portion of the website can be accessed through “Aspects of NC Climate” in the main menu, or via the “Highlights” section on the home page:
http://www.nc-climate.ncsu.edu/climate/winter_wx

 

Statewide Summary for November 2009

As part of the monthly newsletter, the SCO provides a basic summary of monthly conditions for all locations that have an automated reporting station. A daily version of this product is available online at:
http://www.nc-climate.ncsu.edu/cronos/review

Station
Avg Daily
Max Temp
Avg Daily
Min Temp
Total
Rainfall
Avg Daily
Wind Speed
Max Daily
Wind Speed
Vector Avg
Wind
Aurora, NC (AURO)
64.9° F
(-0.5° F)
4 mi
49.8° F
(+6.6° F)
4 mi
8.1 in
3.8 mph
21 mph
2.3 mph
North (352°)
Boone, NC (BOON)
56.8° F
(+4.8° F)
1 mi
33.3° F
(+3.8° F)
1 mi
5 in
4.8 mph
39.1 mph
2.5 mph
West Northwest (289°)
Buckland, NC (BUCK)
64° F
(+1.1° F)
15 mi
44.2° F
(+6.8° F)
15 mi
7.7 in
2.7 mph
20.4 mph
1.7 mph
North (9°)
Burnsville, NC (BURN)
58.6° F
(-0.6° F)
8 mi
36° F
(+5.6° F)
8 mi
4.6 in
4.6 mph
40.5 mph
1.4 mph
North Northwest (329°)
Castle Hayne, NC (CAST)
66.1° F
(-1.6° F)
0 mi
48.7° F
(+5.5° F)
0 mi
4.9 in
4.1 mph
21.3 mph
2.6 mph
North (8°)
Clayton, NC (CLAY)
62.7° F
(+0.1° F)
3 mi
45.2° F
(+6.5° F)
3 mi
6.1 in
4.7 mph
23.6 mph
2.6 mph
North (5°)
Clayton, NC (CLA2)
64.2° F
(+1.6° F)
3 mi
42.2° F
(+3.5° F)
3 mi
6.7 in
2.8 mph
16.4 mph
1.8 mph
North (356°)
Clinton, NC (CLIN)
63.6° F
(-1.3° F)
0 mi
45.4° F
(+4.3° F)
0 mi
1.4 in
5.2 mph
27.2 mph
3.3 mph
North (358°)
Fletcher, NC (FLET)
60.6° F
(+2.4° F)
0 mi
36.8° F
(+5.2° F)
0 mi
5.4 in
4 mph
23 mph
2 mph
North (351°)
Franklin, NC (WINE)
52.5° F
(-7° F)
11 mi
36° F
(+3.4° F)
11 mi
6.8 in
7.8 mph
30.1 mph
1.9 mph
Northwest (320°)
Goldsboro, NC (GOLD)
63.4° F
(-2.9° F)
5 mi
43.6° F
(+1° F)
5 mi
4.4 in
6.2 mph
33.1 mph
3.5 mph
Northwest (321°)
Hamlet, NC (HAML)
64.5° F
(-0.4° F)
4 mi
42.7° F
(+5.5° F)
4 mi
2.5 in
4.3 mph
24.4 mph
2.4 mph
North (8°)
Hendersonville, NC (BEAR)
51.6° F
(-8.7° F)
7 mi
39.2° F
(+4.8° F)
7 mi
4.1 in
12.1 mph
49.7 mph
4.4 mph
Northwest (309°)
Jackson Springs, NC (JACK)
62.4° F
(0° F)
0 mi
45.2° F
(+3.4° F)
0 mi
9.7 in
5.9 mph
33 mph
3.6 mph
North Northeast (12°)
Kinston, NC (KINS)
64.9° F
(-3.8° F)
5 mi
47.2° F
(+4.3° F)
5 mi
7.8 in
2.9 mph
24.3 mph
1.4 mph
North Northwest (348°)
Laurel Springs, NC (LAUR)
55.3° F
(+2.1° F)
1 mi
36° F
(+7.6° F)
1 mi
4.4 in
4.3 mph
30.5 mph
1.8 mph
North (359°)
Lewiston, NC (LEWS)
63.4° F
(-0.3° F)
0 mi
45.5° F
(+6.2° F)
0 mi
6.6 in
6.2 mph
39.1 mph
3.3 mph
North (3°)
Lilesville, NC (LILE)
61.6° F
(-2.6° F)
9 mi
44.6° F
(+2.6° F)
9 mi
6.2 in
4.2 mph
24.8 mph
2.6 mph
North (359°)
Mount Mitchell, NC (MITC)
47.8° F
(+1.1° F)
1 mi
33.8° F
(+5.1° F)
1 mi
7.2 in
13.4 mph
55 mph
6.4 mph
West Northwest (281°)
New London, NC (NEWL)
63.3° F
(+0.7° F)
2 mi
40.1° F
(+2.7° F)
2 mi
6.3 in
4.1 mph
30.9 mph
2.9 mph
North Northeast (19°)
Oxford, NC (OXFO)
61.1° F
(+0.1° F)
0 mi
44° F
(+6.6° F)
0 mi
7.2 in
3.7 mph
25.5 mph
2.1 mph
North Northeast (12°)
Plymouth, NC (PLYM)
64° F
(-2° F)
2 mi
46.5° F
(+3.9° F)
2 mi
8.1 in
7.5 mph
41.5 mph
4.9 mph
North Northeast (22°)
Raleigh, NC (LAKE)
63.1° F
(+0.1° F)
0 mi
44.3° F
(+2.4° F)
0 mi
4.2 in
5.1 mph
29.5 mph
2.9 mph
North (5°)
Rocky Mount, NC (ROCK)
63.6° F
(-0.6° F)
0 mi
45.2° F
(+4.6° F)
0 mi
6.5 in
4.2 mph
35.3 mph
2.5 mph
North Northeast (22°)
Salisbury, NC (SALI)
61.8° F
(+1° F)
0 mi
39.9° F
(+3.8° F)
0 mi
5.6 in
2.8 mph
24.7 mph
1.8 mph
North Northeast (24°)
Siler City, NC (SILR)
61.7° F
(-0.5° F)
5 mi
37.9° F
(-0.6° F)
5 mi
6.3 in
5.1 mph
29 mph
3.3 mph
North Northeast (21°)
Taylorsville, NC (TAYL)
61.8° F
40.6° F
5 in
2.1 mph
45.4 mph
1 mph
North (8°)
Waynesville, NC (WAYN)
60.2° F
(+1.9° F)
0 mi
33.6° F
(+3.8° F)
0 mi
4.1 in
1.5 mph
18.4 mph
0.9 mph
Northeast (42°)
Whiteville, NC (WHIT)
65.5° F
(-3.7° F)
0 mi
45.2° F
(+3.8° F)
0 mi
6.3 in
2.9 mph
20.3 mph
2 mph
North (2°)
Williamston, NC (WILL)
64.2° F
(-0.1° F)
4 mi
46.9° F
(+5.7° F)
4 mi
7 in
4 mph
27.2 mph
2.1 mph
North (8°)
Legend:
Parameter
Parameter's value approximated from hourly data.
( +/- Departure from normal )
Distance to reference station

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