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TODAY'S TOP WEATHER STORIES
On Weather & Climate Through the Eyes of Mark Vogan
04W Becomes a Tropical Storm, Hits Yap
ACCUWEATHER.COM
What happened to May's Tornadoes?
THE WEATHER CHANNEL
TODAY'S WEATHER ACROSS UK & EUROPE By Mark Vogan
Scotland in a 'One minute it's sunny, the next it's pouring' pattern while European mainland enjoys warm sunshine with isolated pop-up t-storms
It looks and feel more like early April than late May as today produced heavy, persistent rains across Scotland. While much of the European landmass steps forward in the calender, the northern UK steps back
Southeast France and southern Spain top, at least 31C today while highs reached 27 to 29C in Romania, the Ukraine and western Russia. The upper low moved far enough east into western Asia and the far northern Middle East to allow 28-30C along Turkey's west and south coasts.
You can clearly see the extent of the heat spread out across all of the European mainland and into western Russia.
SE England once again sees the high over France push heights up over London, pumping temperatures that only topped 20C yesterday to 23C today at Santon Downham, Suffolk.
The trough remains dominant across Scotland and Ireland while warmer air is managing to get across the Channel and into the southern UK.
Here's the upper level European model look at Sunday
TODAY'S WEATHER ACROSS AMERICA By Mark Vogan
Storms continue to fire along Plains boundary, better and warming up across Northeast with 80s today, showers still in the air though!
The dry line and cold front remains over the Plains states and with a surge of moisture roch air flowing due north from the Gulf, we're seeing powerful thunderstorms blow up across north-central Texas, up through Oklahoma and Kansas. Wet, showery and thundery weather is feeding up and around the powerful storm system now over the N. Plains, so showers and storms are present over the Dakotas and into southern Canada. The other band or channel of showers and some isolated thunderstorms is up across the Ohio Valley, the moisture is splitting over the central and northern Plains around both the low to the NW and High to the E, SE.
The pesky storm of all of the last workweek is finally off the New England coast, yeehaa! However, although we see the back of a uniform coverage of widespread persistent and showery rains across this soaked region, we will see north to south showers spreading in narrow bands through the Northeast. The mid to upper level flow from the north rides on top of southeast winds at the surface which is pull warm air up from a 'hot base' centered over the Southeast where highs reached the upper 80s in Atlanta, upper 90s to it's southeast.
By the start to the new workweek and the the low continues pulling away from the region, a stronger surge of heat will ride directly up the I-95 corridor and we are likely to see highs reach 90 or more over DC and Baltimore, possibly a 90 even in Philadelphia and 86 perhaps for New York City.
Very Wet days ahead for Ohio Valley
WEATHER TALK AFRICA, MIDDLE EAST & W. ASIA By Mark Vogan
Pakistan strikes 50C (122F) for second straight day...
Some showers and hailstorms have battered portions of India, even northeast Pakistan
From our partner blog, Vagaries of the Weather
M3 active ! Massive thunder/Hailstorms in Delhi, Punjab, Haryana and H.P. bring down temperatures in the region. As a result, the temperatures in Delhi is currently (at 8 pm) at 28c, after a afternoon drop to 22c during the storm . Most of Northern plains currently around 26-28c. We had estimated a drop in days after Friday in previous blogs.Vagaries' Fear hold true.
WEATHER TALK
By Mark Vogan
Global Lightning!
Wikipedia Lightning is an atmospheric discharge of electricity accompanied by thunder, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms.[1] In the atmospheric electrical discharge, a leader of a bolt of lightning can travel at speeds of 220,000 km/h (140,000 mph), and can reach temperatures approaching 30,000 °C (54,000 °F), hot enough to fuse silica sand into glass channels known as fulgurites which are normally hollow and can extend some distance into the ground.[2][3] There are some 16 million lightning storms in the world every year.[4]
Lightning can also occur within the ash clouds from volcanic eruptions,[5] or can be caused by violent forest fires which generate sufficient dust to create a static charge.[1][6]
How lightning initially forms is still a matter of debate:[7] Scientists have studied roo.5.30729)
Content-Type: applicac perturbations (wind, humidity, friction, and atmospheric pressure) to the impact of solar wind and accumulation of charged solar particles.[4] Ice inside a cloud is thought to be a key element in lightning development, and may cause a forcible separation of positive and negative charges within the cloud, thus assisting in the formation of lightning.[4]
The irrational fear of lightning (and thunder) is astraphobia. The study or science of lightning is called fulminology, and someone who studies lightning is referred to as a fulminologist.[8] READ MORE...
'On average, a plane will get struck by lightning at least once a year'
Catatumbo lightning (Extract from Wikipedia)
The Catatumbo Lightning (Spanish Relámpago del Catatumbo)[1] is an atmospheric phenomenon in Venezuela. It occurs strictly in an area located over the mouth of the Catatumbo River where it empties into Lake Maracaibo. The frequent, powerful flashes of lightning over this relatively small area are considered to be the world's largest single generator of tropospheric ozone[2] but not replenishing the ozone layer, as the latter is located in the stratosphere[3].
It originates from a mass of storm clouds that create a voltaic arc at more than 5 km of height, during 140 to 160 nights a year, 10 hours per day and up to 280 times per hour. It occurs over and around Lake Maracaibo, typically over a bog area that forms where the Catatumbo River flows into the Venezuelan lake.[4]
After appearing continually for centuries, the lightning was not seen for several months between January and April 2010 [5], apparently due to a drought, raising fears that it may have been extinguished permanently.[6] READ MORE...
VAGARIES OF THE WEATHER
INDIA & SUB-CONTINENTAL ASIA WEATHER
BY RAJESH KAPADIA
Highest in India: Sheopur (M.P.): 44.8c, Jaisalmer: 44c, Bikaner: 43c.
IMD map shows a drastic change and fall in the day temperatures on Saturday. Compare with Friday, and the fall in North, NW and Central India is comparable.
Highest in Pakistan: Turbat and Lasbella: 50c.
Surprisingly, and unexpectedly, Coastal cities of Pakistan too jumped the line today. Gwadar was 48c, while Karachi soared to 44c. (Pak Met site reports of 46c in Karachi today). Incidently, the highest ever for Karachi in May is 48c.
This is a sudden jump, from the tolerable 36/37c that Karachi has been through for the last 15 days. Day temperature was 38c on Friday, and 36c on Thursday.
I noticed a slight curving of the winds around Karachi, and seems the wind shifted to NE direction. This caused the humidity to fall sharply to a low of 16%, for a coastal city ! And a sharp rise in the day temperature, resulting from winds coming from the hot interiors.
For Karachi, I do not expect another day crossing 40c. Maybe 40c on Sunday, and should come back to 38c by Monday, and then, with some moisture creeping up from the SE, some rain is on the cards on Tuesday/Wednesday. Not much though, maybe 2/3 mms per day.
WHAT'S REACHING TODAY'S BLOGS?
Saturday Quickie
Frank Strait, AccuWeather
THE EXTREMES OF THE DAY
TODAY'S US EXTREMES
COURTESY OF ACCUWEATHER
HIGH: 102 degrees at Laredo, TX
LOW: 21 degrees at Berthoud Pass, CO
TODAY'S UK EXTREMES
COURTESY OF THE MET OFFICE
HIGH: 74 degrees (23.1C) at Santon Downham (Suffolk)
LOW: 33 degrees (0.4C) at Exeter Airport (Devon)
TODAY'S GLOBAL EXTREMES
COURTESY OF THE UNIVERSITY OF COLOGNE
HIGHEST
50C (122F) at Turbat & Lasbella, Pakistan (Asia)
49C (120F) at Pasni, Pakistan
46C (115F) at Karachi, Pakistan (Asia)
46C (115F) at Menaka, Mali (Africa)
45C (113F) at Zahedan, Iran (Asia)
44C (111F) at Doha, Qatar (Asia)
LOWEST
-72C (-98F) at Vostok, Antarctica
-29C (-20F) at Summit Camp, Greenland
TODAY'S EXTREMES HERE AT MY HOUSE
HIGH: 54 degrees
LOW: 46 degrees
Thanks for reading.
-Mark
TODAY'S TOP WEATHER STORIES
On Weather & Climate Through the Eyes of Mark Vogan
04W Becomes a Tropical Storm, Hits Yap
ACCUWEATHER.COM
What happened to May's Tornadoes?
THE WEATHER CHANNEL
TODAY'S WEATHER ACROSS UK & EUROPE By Mark Vogan
Scotland in a 'One minute it's sunny, the next it's pouring' pattern while European mainland enjoys warm sunshine with isolated pop-up t-storms
It looks and feel more like early April than late May as today produced heavy, persistent rains across Scotland. While much of the European landmass steps forward in the calender, the northern UK steps back
Southeast France and southern Spain top, at least 31C today while highs reached 27 to 29C in Romania, the Ukraine and western Russia. The upper low moved far enough east into western Asia and the far northern Middle East to allow 28-30C along Turkey's west and south coasts.
SE England once again sees the high over France push heights up over London, pumping temperatures that only topped 20C yesterday to 23C today at Santon Downham, Suffolk.
The trough remains dominant across Scotland and Ireland while warmer air is managing to get across the Channel and into the southern UK.
Here's the upper level European model look at Sunday
TODAY'S WEATHER ACROSS AMERICA By Mark Vogan
Storms continue to fire along Plains boundary, better and warming up across Northeast with 80s today, showers still in the air though!
The dry line and cold front remains over the Plains states and with a surge of moisture roch air flowing due north from the Gulf, we're seeing powerful thunderstorms blow up across north-central Texas, up through Oklahoma and Kansas. Wet, showery and thundery weather is feeding up and around the powerful storm system now over the N. Plains, so showers and storms are present over the Dakotas and into southern Canada. The other band or channel of showers and some isolated thunderstorms is up across the Ohio Valley, the moisture is splitting over the central and northern Plains around both the low to the NW and High to the E, SE.
The pesky storm of all of the last workweek is finally off the New England coast, yeehaa! However, although we see the back of a uniform coverage of widespread persistent and showery rains across this soaked region, we will see north to south showers spreading in narrow bands through the Northeast. The mid to upper level flow from the north rides on top of southeast winds at the surface which is pull warm air up from a 'hot base' centered over the Southeast where highs reached the upper 80s in Atlanta, upper 90s to it's southeast.
Yesterday's High's
By the start to the new workweek and the the low continues pulling away from the region, a stronger surge of heat will ride directly up the I-95 corridor and we are likely to see highs reach 90 or more over DC and Baltimore, possibly a 90 even in Philadelphia and 86 perhaps for New York City.
Very Wet days ahead for Ohio Valley
Pakistan strikes 50C (122F) for second straight day...
Some showers and hailstorms have battered portions of India, even northeast Pakistan
From our partner blog, Vagaries of the Weather
M3 active ! Massive thunder/Hailstorms in Delhi, Punjab, Haryana and H.P. bring down temperatures in the region. As a result, the temperatures in Delhi is currently (at 8 pm) at 28c, after a afternoon drop to 22c during the storm . Most of Northern plains currently around 26-28c. We had estimated a drop in days after Friday in previous blogs.Vagaries' Fear hold true.
WEATHER TALK
By Mark Vogan
Global Lightning!
Lightning cloud to sea over Miramare di Rimini, Italy
Lightning can also occur within the ash clouds from volcanic eruptions,[5] or can be caused by violent forest fires which generate sufficient dust to create a static charge.[1][6]
How lightning initially forms is still a matter of debate:[7] Scientists have studied roo.5.30729)
Content-Type: applicac perturbations (wind, humidity, friction, and atmospheric pressure) to the impact of solar wind and accumulation of charged solar particles.[4] Ice inside a cloud is thought to be a key element in lightning development, and may cause a forcible separation of positive and negative charges within the cloud, thus assisting in the formation of lightning.[4]
The irrational fear of lightning (and thunder) is astraphobia. The study or science of lightning is called fulminology, and someone who studies lightning is referred to as a fulminologist.[8] READ MORE...
'On average, a plane will get struck by lightning at least once a year'
World map showing frequency of lightning strikes, in flashes per square kilometer (km²) per year (equal-area projection). Lightning strikes most frequently in the Democratic Republic of the Congo. Combined 1995–2003 data from the Optical Transient Detector and 1998–2003 data from the Lightning Imaging Sensor.
Global map of lightning frequency (Wikipedia)
Catatumbo lightning (Extract from Wikipedia)
The Catatumbo Lightning (Spanish Relámpago del Catatumbo)[1] is an atmospheric phenomenon in Venezuela. It occurs strictly in an area located over the mouth of the Catatumbo River where it empties into Lake Maracaibo. The frequent, powerful flashes of lightning over this relatively small area are considered to be the world's largest single generator of tropospheric ozone[2] but not replenishing the ozone layer, as the latter is located in the stratosphere[3].
It originates from a mass of storm clouds that create a voltaic arc at more than 5 km of height, during 140 to 160 nights a year, 10 hours per day and up to 280 times per hour. It occurs over and around Lake Maracaibo, typically over a bog area that forms where the Catatumbo River flows into the Venezuelan lake.[4]
After appearing continually for centuries, the lightning was not seen for several months between January and April 2010 [5], apparently due to a drought, raising fears that it may have been extinguished permanently.[6] READ MORE...
Catatumbo (Venezuala) Lightning Phenomenon
VAGARIES OF THE WEATHER
INDIA & SUB-CONTINENTAL ASIA WEATHER
BY RAJESH KAPADIA
Highest in India: Sheopur (M.P.): 44.8c, Jaisalmer: 44c, Bikaner: 43c.
IMD map shows a drastic change and fall in the day temperatures on Saturday. Compare with Friday, and the fall in North, NW and Central India is comparable.
Highest in Pakistan: Turbat and Lasbella: 50c.
Surprisingly, and unexpectedly, Coastal cities of Pakistan too jumped the line today. Gwadar was 48c, while Karachi soared to 44c. (Pak Met site reports of 46c in Karachi today). Incidently, the highest ever for Karachi in May is 48c.
This is a sudden jump, from the tolerable 36/37c that Karachi has been through for the last 15 days. Day temperature was 38c on Friday, and 36c on Thursday.
For Karachi, I do not expect another day crossing 40c. Maybe 40c on Sunday, and should come back to 38c by Monday, and then, with some moisture creeping up from the SE, some rain is on the cards on Tuesday/Wednesday. Not much though, maybe 2/3 mms per day.
WHAT'S REACHING TODAY'S BLOGS?
Saturday Quickie
Frank Strait, AccuWeather
THE EXTREMES OF THE DAY
TODAY'S US EXTREMES
COURTESY OF ACCUWEATHER
HIGH: 102 degrees at Laredo, TX
LOW: 21 degrees at Berthoud Pass, CO
TODAY'S UK EXTREMES
COURTESY OF THE MET OFFICE
HIGH: 74 degrees (23.1C) at Santon Downham (Suffolk)
LOW: 33 degrees (0.4C) at Exeter Airport (Devon)
TODAY'S GLOBAL EXTREMES
COURTESY OF THE UNIVERSITY OF COLOGNE
HIGHEST
50C (122F) at Turbat & Lasbella, Pakistan (Asia)
49C (120F) at Pasni, Pakistan
46C (115F) at Karachi, Pakistan (Asia)
46C (115F) at Menaka, Mali (Africa)
45C (113F) at Zahedan, Iran (Asia)
44C (111F) at Doha, Qatar (Asia)
LOWEST
-72C (-98F) at Vostok, Antarctica
-29C (-20F) at Summit Camp, Greenland
TODAY'S EXTREMES HERE AT MY HOUSE
HIGH: 54 degrees
LOW: 46 degrees
Thanks for reading.
-Mark
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