MONTHLY WEATHER REVIEW - ARMIDALE NSW

NOVEMBER 2013

November 2013 was a warm, wet and thundery month.
The rainfall total of 117.6 millimetres was 34 mm higher than the average with a number of moderate and heavy falls spread throughout the month. See below for further details.
Day temperatures were a little higher than normal, and overnight temperatures a little lower than normal. There were no notable extremes.
Thunderstorm activity was much higher than normal with a storms developing in a number of troughs over northern New South Wales on ten days of the month. Hail fell during two storms on the 10th.
Winds were mostly light to moderate westerlies.

Noteworthy events:

23rd - A low pressure trough over eastern New South Wales generated widespread showers and thunderstorms over the Northern Tablelands during the day. In Armidale there were a number of slight and moderate thunderstorms starting at 10am and lasting until 4.45pm. Total rain recorded for the day was 21.8 mm. This was the highest daily fall since 2nd March this year. No hail was observed with the storms.

29th - As a low pressure trough passed over north-eastern New South Wales moderate to heavy falls of rain occurred on the Northern Tablelands with Armidale recording 50.8 mm throughout the day. This was the highest daily fall for two years since 24th November 2011 when 87.6 mm of rain fell. The rain was heaviest during the afternoon which caused minor flooding in Dumaresq Creek.

NOVEMBER 2013 STATISTICS (long term averages in brackets)

Rainfall: 117.6 (83.6 mm)

Rain days: 11 (9)
2013 rainfall total Jan to Nov: 614.4 mm (698.7 mm)

Average maximum temp: 23.7 deg (22.7 deg)

Average minimum temp: 7.5 deg (8.9 deg)

Highest maximum temp: 29.4 deg on the 8th

Lowest maximum temp: 17.6 deg on the 23rd

Highest minimum temp: 13.6 deg on the 23rd

Lowest minimum temp: 0.8 deg on the 5th

Fine sunny days: 14 (13.5) Ideal weather days: 3 (1)

Days with thunderstorms: 10 (6)

Days with frosts: 1 (1)

Days with fogs: 0 (1)

Wind direction at 3pm & number of days: W: 12, S: 6, SW: 4, NW: 3, E: 2, SE: 2, NE: 1

Average daily pan evaporation: 4.9 mm (4.5 mm)

Thunderstorm details:

3rd: 12.00-12.30am - slight storm from south-west - 0.8 mm rain
9th: 7.15-8.15pm - moderate storm from west 1.6 mm rain
10th: 11.30am-7.00pm - slight, moderate & heavy storms - 12.8 mm rain
1.40-1.44pm - hail mixed with rain - hailstones up to 17 mm diameter
5.07-5.08pm - hail mixed with rain - hailstones up to 10 mm diameter
11th: 1.45-4.00pm - slight & moderate storms from north-west - 0.2 mm rain
12th: 5.20-5.30am - slight storm - 5.6 mm rain
8.50-9.00am - slight storm from north-west - 0.1 m rain
10.00am-2.50pm - slight storms from north-west
13th: 1.00-1.10pm - 1.00-1.10pm - slight from NW - 1.2 mm rain, 1.10-1.35pm - thunder in north-east
2.20-3.00pm - thunder in north - no rain
16th: 3.30-4.00pm - thunder heard - no rain
21st: 5.40-5.50pm - slight storm, 5.50-7.00pm - thunder in north-east - no rain
22nd: 1.15-2.00pm - slight storm from west - 1.8 mm rain
23rd: 10.00am-4.45pm - slight & moderate storms from west - 21.8 mm rain