Thames Anglers' Conservancy Members Forum
TAC Members-Only Forum
If you have arrived here and not yet signed up as a member, then please first join at http://forum.rivertac.org/register using your real name.

Forum Membership is with Real Names only.
Please create a Username that is your First Name and Surname eg. "Joe Bloggs"
(This will save our Admin team the need to contact you about changing it)

http://rivertac.org/membership


Thames Anglers' Conservancy Members Forum
 
HomeHome  TAC Home PageTAC Home Page  SearchSearch  FAQFAQ  RegisterRegister  Log in  
Navigation
Search
 
 

Display results as :
 
Rechercher Advanced Search
Latest topics
» Eel Trap Results 2017
Today at 6:00 pm by patrick barker

» Better access to free Thames fishing in Reading
Fri Jun 16, 2017 10:08 am by Ed Randall

» Eel screens on Water Works intakes
Tue May 23, 2017 10:26 pm by Julian Jones

» River Thames Conditions - Quick Dial Numbers
Sun May 21, 2017 10:00 am by Ed Randall

» Ap[ril showers? If only! Drought beckons...
Thu May 04, 2017 6:56 pm by Ed Randall

» Abbey river this Saturday (12/5/2012)
Thu Apr 27, 2017 4:41 pm by Ed Randall

» Molesey Eel Monitoring Training ~ 29th April 2017
Mon Apr 24, 2017 11:12 am by David Harvey

» Thames Water fined a record £20m for River Thames pollution
Fri Mar 24, 2017 1:54 pm by Stephen Bond

» Crane Riverfly Training ~ May 6th 2017
Thu Mar 16, 2017 9:08 am by Ed Randall

» TAC visit to Tideway Tunnel Exhibition in Parliament
Wed Mar 15, 2017 7:32 am by John LeSurf

» "Citizen Crane" project - sampling dates
Thu Mar 02, 2017 4:24 pm by Ed Randall

» Egham & Stains bankside enhancement followed by brewery trip
Sun Feb 19, 2017 6:27 pm by Ed Randall

» SE Rivers Trust needs help on Hogsmill
Tue Feb 14, 2017 2:23 pm by Ed Randall

» Crane volunteering opportunities
Fri Jan 27, 2017 5:38 pm by Ed Randall

» Seal (with enormous fish) in Thames near Richmond Lock
Wed Jan 25, 2017 8:34 am by Ed Randall

» [Petition] to eradicate size and catch limits for pike to be taken and culled
Wed Jan 25, 2017 8:27 am by Ed Randall

» *Thames Tunnel (Tideway Tunnel)*
Tue Jan 24, 2017 9:42 pm by Ed Randall

» reels for sale
Thu Jan 12, 2017 9:51 am by JeffHowe

» A new address for 2017 ~ forum.rivertac.org
Sun Jan 01, 2017 11:06 am by Admin

» New users - Registration issues
Thu Dec 29, 2016 11:47 am by Ed Randall

» Shepperton river death - Van removed near Dockett Eddy Lane
Thu Dec 22, 2016 9:54 am by Ed Randall

» EA Pollution incidents: 2015 evidence summary
Mon Nov 21, 2016 5:04 am by David Harvey

» Ham & Petersham cleanup Saturday 19th Nov
Sat Nov 12, 2016 6:01 pm by Ed Randall

» LIVE THAMES TEMPS AND CLARITY - TAC exclusive!
Thu Nov 10, 2016 9:51 pm by Stephen Bond

» Citizen Crane Forum at ZSL - Mon 14th Nov 2016
Thu Nov 10, 2016 8:36 am by Ed Randall

» fishing trolleys
Sun Oct 30, 2016 11:23 am by Harry Notley

» Draw off 2016
Sat Oct 29, 2016 2:24 pm by Ed Randall

» Exciting new Smelt Project - call for volunteers!
Sat Oct 22, 2016 2:22 pm by Ed Randall

» Garlic spam
Tue Oct 11, 2016 10:51 pm by David Harvey

» Eel Trap Results 2016
Tue Oct 11, 2016 10:31 pm by David Harvey

Angling Data View
River Levels
UK Map

Thames Tides

Share | 
 

 EA Water Situation Report (SouthEast) May 2012

View previous topic View next topic Go down 
AuthorMessage
David Harvey

avatar

Male Posts : 5356
Join date : 2010-01-21
Age : 102
Location : Surrey,

PostSubject: EA Water Situation Report (SouthEast) May 2012   Wed Jun 13, 2012 10:58 pm

Good news at last, the rain is soaking in. Check out the charts showing a rise groundwater levels, unusual for this time of year but very very welcome.

Summary – May 2012
Despite some heavy rainfall at the beginning of the month, the total monthly rainfall for May was below the long term average. Groundwater levels are rising and responding to the very high rainfall in April and continued heavy showers at the beginning of May. River flows have also responded to the rainfall and then fallen back down during the drier weather of the last 11 days.

Rainfall
A total of 80% of the long term average rainfall for May was recorded this month. This was the 12th month in the last 20 months of below average rainfall. Heavy showers and lighter more persistent rain fell over the first two weeks. The highest daily total of 29.2mm was recorded at Plumpton College (River Ouse catchment) on the 9th. This wet weather was followed by 11 days of virtually no rainfall at the end of the month.

With such wet weather in April and the beginning of this month, the summer so far (April and May) has been the 2nd wettest on record for the Wey Greensand, Chichester Chalk and Arun areal units. Solent and South Downs Area has been the 3rd wettest on record.However, the last 20 months includes 2 dry winters with Cotswolds West, Berkshire Downs, Upper Thames and Cherwell areal units experiencing the 2nd driest 20 months starting in October on record.

Soil Moisture Deficit, Recharge and Groundwater Levels
Soil moisture deficits (SMDs) had been reduced to zero by the end of April, but with below average rainfall over the course of May, SMDs rose during the month to peak at almost the average for the time of year. With zero or very low SMDs at the beginning of the month coupled with the rainfall, some recharge to the groundwater occurred. In turn the groundwater levels have risen at most of the key groundwater sites, although some of these increases were just levelling off by the end of the month in response to the dry
weather. 5 of the key sites remain exceptionally low (down from 10 sites last month), 3 sites are notably low, 1 site is below normal, 4 sites are now normal, 1 site is above normal and 2 sites have reached exceptionally high levels for May.

Despite these increases many of the key sites remain at record lows for May. Ashley Green remains the lowest May on record and Stonor, Well House Inn and Sweeps Lane are all at the 2nd lowest May level on their records. At Stonor and Sweeps Lane, only May 1992 has been drier and at Well House Inn the lowest May level was recorded in 1944.

River Flows
River flows were high at the start of the month and these higher flows continued into May in response to the rainfall recorded in the first two weeks of the month. Flows fell during the second half of the month, but the monthly average flows have remained quite high. Flows at Eynsham on the River Thames were the 2nd highest on record for the end of May. Only May 1983 has been higher. Flows on the River Arun at Alfoldean and River Rother (Western) at Iping Mill were the 4th highest on record for May. In total 23 Flood
Alerts and 2 Flood Warnings were issued during May in the South East Region, split between the 1st and the 9th/10th of the month.

A majority of the surface water sites have flows at normal or above. Only 3 sites are below normal, 5 sites are normal, 5 sites are above normal, 7 sites are notably high and 1 site is exceptionally high. 6 sites were below normal or lower last month.

Reservoir Storage/Water Resource Zone Stocks
Reservoir storage is close to or at 100% for the Lower Thames, Lee Valley, Farmoor, Bough Beech, Arlington and Powdermill reservoirs. Storage fell at Farmoor in the middle of the month due to water quality problems, but this was quickly resolved and storage brought back up to almost 100%. Storage has risen at Ardingly, Bewl, Darwell and Weir Wood reservoirs over the month, and only Bewl remains just below the long term average for May.

Full report

http://www.environment-agency.gov.uk/static/documents/Research/Region_May_2012.pdf
Back to top Go down
http://Rivertac.org
John LeSurf



Male Posts : 335
Join date : 2010-08-16
Age : 64
Location : Hornchurch,Essex

PostSubject: Re: EA Water Situation Report (SouthEast) May 2012   Wed Jun 13, 2012 11:09 pm

Went down the Roding this evening, river had been over the banks but was dropping and in full flow, plenty of
water coming down,streamer weed going with the flow and making the river look more like the Avon then
our Roding looking forward to this weekend if it does not rain it looks very promising.
Back to top Go down
 
EA Water Situation Report (SouthEast) May 2012
View previous topic View next topic Back to top 
Page 1 of 1
 Similar topics
-
» REPORT DU ĐẤU ĐÀ LẠT 2012 (version chính thức từ VP Media)
» Weather Report for tomorrow
» IRONMAN WISCONSIN RACE REPORT
» Stawell Athletic Club releases its annual report
» ROPSSAA Report Back

Permissions in this forum:You cannot reply to topics in this forum
Thames Anglers' Conservancy Members Forum :: Open Section :: News Board :: Environment Agency-
Jump to: