On Weather & Climate Through the Eyes of Mark Vogan
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Major Midwestern Cities at Risk for Severe Thunderstorms
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Weather Talk
By Mark Vogan
HOT ACROSS SOUTHWEST AND CENTRAL EUROPE, CHANGES FROM UNSETTLED AND COOL PATTERN LOOKING MORE LIKELY ACROSS SCOTLAND AND NORTHERN IRELAND AT THE LATER OF JULY AND AUGUST
A huge upper ridge has dominated southwest Europe and throughout central Europe with temperatures that have pushed 100 from Madrid to central Europe. Mid-90s have baked an abnormally dry France and near 90 in an increasingly dry southern Great Britain. Remember though it has become wetter in Scotland and northern England, there is still abnormally dry soils from Dumfries and Galloway, Ayrshire and the borders. The Lake District of northwest England is now under a hosepipe ban and those caught using a hosepipe to water lawns can be found upwards of £1,000. The northwest of the UK has been under the influence of a large trough over the North Atlantic and this has been drawing persistently cooler, wetter, marine air across Northern Ireland and Scotland, an air flow out of the northwest and north, but south of the jet stream which has been flowing at around 30,000ft over northern England, but south of Preston, Lancashire, it's been warmer, more humid air flowing out of the southwest from the sub-tropics that has ruled. Between the two very different sources of air mass, the contrast has been nearly 40 degrees within just 400 or so miles.
Parts of Scotland have struggled to get above 55 degrees with afternoon readings of 56 or 13C with Glen Ogle in west-central Scotland seeing mid-afternoon temperatures of only 48 degrees or 8C at the same time it's 87-88 degrees at southeast London's Gravesend station. That is a large contrast for Britain.
With many areas of Scotland remaining dry, all it takes is seasonal advancements north of the jet, flowing over the Lakes and the dry to near drought conditions across southern Scotland and northern England will be once again used to provide a very warm period from Jul 20 through August and I believe the signs are there that the unsettled weather for Scotland and N.I will end and the ridge that's over Europe will expand west, allowing the high to push northwards and bring a hot second half of summer 2010 to ALL of Britain. 80s for Scotland and with better coverage of abnormally dry soils expanded south from the Lakes to Greater London, setting the stage to possibly a repeat of the sweltering August in 2003 in which Brogdale in Kent topped a national record high of 101 degrees... I do see 95 to 100 in London at some point in late July or early August... Glasgow and Edinburgh I also do still think will see a return to drier, warmer weather and a run at the upper 80s at some point within a warm spell of perhaps 10 days... "Averaging" 75 or so degrees.
Note in the map above, 90s for the Canary Islands off Morrocco.
Vagaries of the Weather
India & Sub-Continental Asia Weather
By Rajesh Kapadia
Sunday, July 11, 2010
All India Highest Rainfall figures from 1st.June to 10th. July 2010:
Cherrapunji: 4369 mms (+539)
Agumbe:1704 mms
Shirali:1593 mms
Honavar: 1425 mms
Mumbai Colaba:1387 mms (+537)
Mangalore: 1383 mms
Harnai:1345 mms (+349)
Kasargod:1337 mms (+71)
Goa Panjim: 1334 mms(+156)
Passighat: 1303 (+46)
Ratnagiri:1214 mms (+45)
Mumbai SantaCruz: 1213 mms (+366)
Mahableshwar: 862 mms (-855)*
* half the normal amount.
All India Monsoon deficit is now at -10%. Blog poll shows highest on this figure as yet.
Our reader has asked for Mahableshwar details of rain. I have given the June end figure earlier.Lonavala receieved 437 mms of rain till end June. Last yaer Mahableshwar had 2823 mmsmms till July end and Lonavala recieved 2550 mms till end July.
Saturday, July 10, 2010
Mumbai Water and Rain Facts:
This Monsoon Mumbaikars are rejoicing and happily welcoming the heavy rains,hoping against hope for a better year ahead as far as the water needs are concerned.
But mind,i am not pessimistic, but feel one should see the reality and analyse the fact. And then make a judgement.
Total Rainfall so far, as on Saturday,10th. July Morning:
Colaba: 1379 mms
Santa Cruz: 1143 mms
Lakes: Vihar, Tulsi, Tansa,Upper Vaitarna, Bhatsa between them have an average rainfall of about 900 mms.
Highest seasonal rainfall, till September end, ever recorded in Colaba 3482 mms (1954), and lowest ever 848 mms (1904).
For SantaCruz highest is 3785 mms(1958) and lowest 1482 mms(1968).
Highest ever day's rain in July/Aug/Sept at Colaba 576/287/548 mm and at SantaCruz 944/346/318 mms.
Lakes Water capacity as on Saturday : 2010: 1.74 lmlitres(Lakh million litres).
:2009: 1.46 lmlitres
:2008 2.77 lmlitres
:2005 8.69 lmlitres
Aversge capacity normally this date: 5.0 lmlitres
Full Lakes capacity, required at end of season:13.0 lmlitres.
Lakes short of overflowing level: Bhatsa 34 mtrs, Modak Sager 15 mts,Vaitarna 10 mtrs,Tansa 7 mtrs,Vihar 5 mtrs, Tulsi 3 mtrs,
Now, the situation is on your screen, good or bad, you decide !
Read our Partner's Blog in Full HERE
What's Reaching Today's Blogs?
Heavy Rain Misses Northeast Coast
Jesse Ferrell, AccuWeather
Today's US Extremes
Courtesy of AccuWeather
High: 119 degrees at Death Valley, CA
Low: 31 degrees at West Yellowstone, MT
Today's UK Extremes
Courtesy of the Met Office
High: 84 degrees at Gravesend, (Kent)
Low: 48 degrees at Altnahinch Filters (Co Antrim)
Today's Extremes here at my house
High: 60 degrees
Low: 55 degrees
TODAYS COND
Morning showers, gave way to mostly cloudy skies but dry in afternoon.
Thanks for reading.
-Mark
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