Current weather discussion

Current weather discussion
Sunday, 15
Sunday,
15th September 2013
September 2013
Roger Brugge, University of Reading
Reading weather report
g
p
Maximum temp (00‐24 BST)
13.6 °C
Minimum temp (this morning)
Minimum temp (this morning)
6 1 °C
6.1 C
5.4 ° C Maidenhead (coldest night of the autumn so far)
Grass minimum (this morning)
(
g)
2.9 °C
Rainfall (yesterday)
1.3 mm
Rainfall (today)
0.0 mm
Sunshine (Kipp‐Zonen, yesterday)
0.7 h
Currently (0804 BST)
Currently
(0804 BST)
Dry bulb temperature
Relative humidityy
Wind direction
Wind speed
Mean sea level pressure
Pressure change in 3 hours
7.3 °C
95 %
225 deg
2.5 m/s (5 kn)
1015.0 mb
‐1.4 mb
Last night’s air minimum temperature and rain (7pm‐7am)
Current analysis
y
24‐hour forecast for 00Z Mondayy
0600 GMT / 7am
Gale warnings G
l
i
currently in force
currently in force
SSome high gusts at 0600 GMT:
hi h
0600 GMT
Baltasound 39 kn
South Uist 47kn
South Uist 47kn
Aultbea 47 kn
St Bees Head 35 kn
Mean wind speeds at 0600 GMT:
L
Lerwick 31 kn
i k 31 k
Stornoway 31 kn
Cairngorm 55 kn
Cairngorm 55 kn
Current rainfall forecast 1300 GMT (
(2‐5 mm 1200‐1800 GMT in Reading)
d )
Temperature forecast
p
Further afield
Further afield
Tro
opical Storm
m 16W (Man‐yi)
Tro
opical Storm
m 13E ((Manu
uel)
Ingrid – the second Atlantic hurricane of 2013
On this day in past years in Reading
y p y
g
15 September
• 1968: One of the wettest September days with local flooding as a result. In Reading 49.8 mm of rain fell. A pronounced trough of low pressure brought exceptionally heavy rain and thunderstorms
low pressure brought exceptionally heavy rain and thunderstorms to southeast England during the day; in Reading heavy rain fell on‐and‐off from late morning until the early hours of the 16th.
• 1986: One of the coldest September days on record. Cold air arriving from the north resulted in a maximum temperature of 10 4 °C
10.4 C.
• 1994: Another of the coldest September days on record. A northerly airflow led to a maximum temperature of just 10 5 °C
northerly airflow led to a maximum temperature of just 10.5 C.