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Storm Chase Log 13th May 2005


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Posted
  • Location: Chichester, West Sussex
  • Location: Chichester, West Sussex

    Hi guys, it looks as if your have in the time of your lives.

    Some informative reports and great images, keep up the good work.

    Well done

    Oh I have the GPS coordinates of that cache of clean underpants if you need it :D

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    Posted
  • Location: Warminster, Wiltshire
  • Location: Warminster, Wiltshire

    :D I've just read your accounts and pictures from the last 2 days.

    To think that these areas are getting pounded every day is mind blowing :D

    Baseball hail doesn't bear thinking about (or perhaps it does ;) )

    And the mammatus is superb!

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    Guest ChaserUK

    Righty then, just about to leave Fairview, OK and head south towards Childress TX Panhandle. On arrival we will crunch more data and see what the situation is. Today is a sure thing for some dryline storms rather the same as those that spawned that great tornado in Plainview, TX yesterday. Will update as and when.

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    Posted
  • Location: Liphook
  • Location: Liphook

    A very messy pciture out there at present,several strong cells mixed in with a heck of alot off low cloud anyway.These cells are fairly strong and potent however are fairly messy looking and quite low topped(by american standards anyway)with its peak at 41,000 feet,but most off the system is stil lgrowing by the looks off things,with cloud hiegths at just 10-25,000 feet.Dumping about a inch a hour,or about 25mm/h.Still,not bad considering the time of day.Here's a image off the most potent cell(the northen cell) that I'm talking about:

    Oklahoma13.gif

    in terms off today,a fairly impressive plume coming up from the gulf,tem-s shoulfd reach 85 in OK,and higher in Texas as well.Dew points are fairly high as well at around 70F for OK.Cape during the day is decent,although not that amazing,with northen Texas Texas and the far south off OK reaching 3000.With very little CinH about the storms should have no problem with breaking out and they will be moderatly potent.Later in the day and into the night i suspect storms may become very potent indeed as Helicity increases a fair amount and LI get down to -6.5 thanks to a frontal system with a strong loba off PVA present as well,I suspect there will be some strong and possible tornadic supercells by then in the general region your in now.

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    Guest ChaserUK

    Currently waiting here in Childress, TX with may other chasers - here is the graphic and text in our area:

    AREAS AFFECTED...PORTIONS NW TX...ERN TX PANHANDLE...SWRN OK

    CONCERNING...SEVERE THUNDERSTORM POTENTIAL

    VALID 131852Z - 132015Z

    TORNADO WW WILL BE ISSUED WITHIN AN HOUR. TSTM DEVELOPMENT

    ANTICIPATED BY 21Z FROM CDS AREA WWD TO INVOF CAPROCK. ACTIVITY

    SHOULD EVOLVE RAPIDLY INTO SUPERCELL CHARACTER WITH VERY

    LARGE/DESTRUCTIVE HAIL LIKELY. DAMAGING WIND AND TORNADO POTENTIAL

    ALSO EXISTS...REINFORCED LOCALLY BY STORM-SCALE AND/OR MESOBETA

    SCALE BOUNDARY INTERACTIONS.

    SFC MESOANALYSIS -- INCLUDING W TX AND OK MESONET DATA -- INDICATES

    PRONOUNCED MESOLOW CENTRAL/NERN FLOYD COUNTY AT 18Z. ASSOCIATED

    BOUNDARY LAYER CYCLONIC CIRCULATION ALSO IS EVIDENT IN CU PATHS ON

    ANIMATED VIS IMAGERY. DRYLINE EXTENDS DUE S THROUGH BORDEN COUNTY

    AND IS EXPECTED TO MIX SLIGHTLY EWD TOWARD W EDGE OF DEEPER CU FIELD

    -- NOW EVIDENT FROM SRN BRISCOE/MOTLEY COUNTIES SWD THROUGH COKE

    COUNTY. DIFFERENTIAL HEATING BOUNDARY -- ALONG EDGE OF SLOWLY

    ERODING LOW CLOUD DECK -- CURVES FROM MAJOR COUNTY OK SWWD ACROSS

    HARMON COUNTY...THEN OVER TX PANHANDLE THROUGH SRN DONLEY TO

    OCHILTREE COUNTY TX. OUTFLOW BOUNDARY FROM MORNING MCS IS BECOMING

    MORE DIFFUSE AND LIFTING NWD THROUGH CDS AREA..SOON TO MERGE WITH

    DIFFERENTIAL HEATING BOUNDARY.

    BACKED LOW LEVEL FLOW AND ENLARGED HODOGRAPHS SHOULD REMAIN MOST

    PRONOUNCED FROM JUST NE-E OF MESOLOW EWD INTO EXTREME SWRN

    OK...COINCIDENT WITH SFC MOIST AXIS CONTAINING MID/UPPER 60S F DEW

    POINTS. THESE FACTORS COMBINE WITH DIABATICALLY DESTABILIZING

    BOUNDARY LAYER AND STEEP MIDLEVEL LAPSE RATES -- EVIDENT IN 18Z AMA

    RAOB AND RUC SOUNDINGS -- TO YIELD 2000-2500 J/KG MLCAPE AND RAPIDLY

    WEAKENING CINH. CONVERGENCE MAX W CDS INDICATES REGION FROM CDS

    TOWARD PALO DURO CANYON SWD TO MESOLOW IS MOST FAVORED AREA FOR

    SOONEST INITIATION...THOUGH OTHER DEVELOPMENT MAY OCCUR EWD OR NWD

    ALONG OUTFLOW/HEATING BOUNDARIES INTO SW OK AND ERN TX PANHANDLE.

    DESPITE SOME MINOR WEAKNESSES EVIDENT IN LOW LEVEL FLOW...100-150

    0-1 KM SRH AND 50 KT EFFECTIVE SHEAR AND FAVORABLY MOIST INFLOW

    SUPPORT SUPERCELLS AND ENHANCED HAIL GENERATION.

    post-14-1116013775.gif

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    Posted
  • Location: Liphook
  • Location: Liphook

    Cells now forming in the highest danger area,grown a heck off alot in the last 30 minutes with a large anvil and several smaller cells behind the main one,cloud tops reaching a very large 52,000 feet and will probably turn into supercells,impressive return on radar and with little other cloud about veiws off this growing system must be pretty good.I'm certainly going to be watching this region very closely,these may become monster storms as all the right ingrediants are there.

    here's a radar return,the two strong cells in the central south of the image:

    growingcells1.gif

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    Posted
  • Location: Leigh On Sea - Essex & Tornado Alley
  • Location: Leigh On Sea - Essex & Tornado Alley

    Well as Steve says what a day. Blasted south and west to Childress with what seemed to be the rest of the Us Chasers, at a guess there must have been over 100. At 330pm the 1st cell went up and what a cell, this was the furthest south so will get the most warm feed. Went west and dropped south to be on Highway 6 to be to the South East of the now already Supercell. Stopped so many times of Highway 6 i lost count to picture this beast. I have never seen cloud structure like it (Pics to Follow) Just west of Benjamin (Tx) a brief tornado was spotted and numerous gustnados in the fields next to us. We must have counted over 10 wall clouds as this thing kept growing. The lightning coming out of the Anvil which was now 100 miles to our west was VERY Dangerous, we had a few poppers where the bolt landed just behind us, ear splitting thunder. The storm followed us down the highway for 5 hours b4 it lost intensity so we drove back North through the hail core, we now have 3 big cracks in the windscreen with Ductape all over B) :(:(

    The sheriff of Maskell County pulled up at one point in his 4x4 to grab some data from the Baron's system :lol: :D Ended up in Wichita Falls (Tx) as everywhere else was booked with Chasers. Heading much further west today.

    Paul Sherman

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    Guest ChaserUK

    I took over 60 pics yesterday but here are only a few - more to follow:

    Pic 1 - Supercell developing - the best storm anywhere in the USA that day.

    Pic 2 - Classic Supercell rotation updraft.

    Pic 3 - Another view of the updraft region - we must have counted about 10 wallclouds this day.

    Pic 4 - Underneath a wall cloud with great rotation and gustnadoes and tornado sirens going off - scarey.

    More to follow later tonight......

    post-14-1116082153_thumb.jpg

    post-14-1116082236.jpg

    post-14-1116082286_thumb.jpg

    post-14-1116082395_thumb.jpg

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    Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.
    I took over 60 pics yesterday but here are only a few - more to follow:

    Pic 1 - Supercell developing - the best storm anywhere in the USA that day.

    Pic 2 - Classic Supercell rotation updraft.

    Pic 3 - Another view of the updraft region - we must have counted about 10 wallclouds this day.

    Pic 4 - Underneath a wall cloud with great rotation and gustnadoes and tornado sirens going off - scarey.

    More to follow later tonight......

    <{POST_SNAPBACK}>

    That last one's a cracker, Chaser...I think I'll start saving up! :lol: B) :(

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    Posted
  • Location: Liphook
  • Location: Liphook

    Great pictures Matt,pretty amazing and a lovely looking wall cloud there.

    Was it the same cell that I posted about last night,went up about 8.40pm our time and had a amazing look to it o the satilite with tops off 52000 feet?

    Certainly went up rapidly if its the one you are talking about?

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    Posted
  • Location: Oakdale, Poole in Dorset
  • Location: Oakdale, Poole in Dorset

    Great photos there, wish i was out there as well, proves how little thunderstorms and how little they are compared to the USA. amazing :lol:

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    Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

    That last pic looks very impressive, scary stuff.

    Keep them coming

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    Guest ChaserUK

    yes more to come people - I just took so many. See Storm Chase 14 may thread for today's info.

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    Guest ChaserUK

    As promised some more photos from 13 May....

    Pic 1 - Radar pic direct from Barons showing the monster cell and our position in relation to it. Again, GPS shows us as the white brick just to the S of the storm.

    Pic 2 - This is the view we have of the storm from that location.

    Pic 3 - One of the many wall clouds.

    Pic 4 - The rotating meso right above our heads. We were so close it was too large to fit in the picture.

    Pic 5 - Under the meso again - this sky was moving down towards us - caused by falling cold air aloft - a very odd experience.

    Pic 6 - The Tornado Car - they are planning to drive this into a tornado!

    Pic 7 - Nothing short of a classic HP Supercell Storm in Texas!

    post-14-1116128624_thumb.jpg

    post-14-1116128652_thumb.jpg

    post-14-1116128713.jpg

    post-14-1116128827.jpg

    post-14-1116128907_thumb.jpg

    post-14-1116129001_thumb.jpg

    post-14-1116129077_thumb.jpg

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    Guest ChaserUK

    And as a little bonus.................

    Pic 1 - Nightime lightning as we try and find some accomodation.

    Pic 2 - Sunset on the southern plains underneath a supercell.

    post-14-1116129771.jpg

    post-14-1116129844_thumb.jpg

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    Posted
  • Location: Oldham, Gtr Manchester
  • Location: Oldham, Gtr Manchester
    Pic 6 - The Tornado Car - they are planning to drive this into a tornado!

    post-14-1116129001_thumb.jpg

    <{POST_SNAPBACK}>

    :) Does that mean it will stay on the ground and not get sucked up into the twister - what an amazing car!! :) Nice pics, Chaser. Good storm chasing. ;)

    This is an amazing pic

    post-14-1116082395_thumb.jpg

    I saw something like that last summer, in the biggest storm I've ever been in, during my lifetime. It's incredible to know that you are witnessing storms like that on a daily basis over there in the US of A.

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    Posted
  • Location: Basingstoke, Hants
  • Weather Preferences: Unexpected gusts of wind, and cumulus clouds in rude and amusing shapes.
  • Location: Basingstoke, Hants

    What an amazing accpunt to read. Fantastic storm, wish I was there!

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    Posted
  • Location: Liphook
  • Location: Liphook

    hi Matt,great pictures and I'm totally unsuprised that there were some great supercells about,certainly the atmosphere was prime for such storms.I remember a storm going up on satilite from 10,000 feet to 52,000 feet in just 20 minutes.

    It later turned out to give hail 4-6 inches across and was also probably one of the storms you chased as it did look like a very strong supercell and looked to have a very potent look to it on the radar.

    Certainly was an impressive looknig supercell though and it did form quite close to where you were staying as well!

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    Posted
  • Location: Leigh On Sea - Essex & Tornado Alley
  • Location: Leigh On Sea - Essex & Tornado Alley

    Hi Kold, Yes the storm actually got up to 60,000 feet and was the dominant Supercell, we picked this storm off at 3pm and by 330pm it was a Supercell, this storm done a left spilt at least 3 times and the Southerly most cell kept intensifying hence the multiple Wall clouds, the picture Steve posted of the Tornado was actually just behind us to our right near Knox City (Tx) i think his party sped off about 2 miles ahead of us to get the shot. At one point the Baron's was showing 9 Meso's and the one on the road behind us had 138mph shear :blink: :D

    Paul Sherman

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    Posted
  • Location: lootons, bedfordshires, somewheres in SE Englands & E Anglia
  • Location: lootons, bedfordshires, somewheres in SE Englands & E Anglia

    :blink: truly fantasteecs pictures mates!!! breeeliants!! well dones! glad the me is far far aways from those nast lookings clods!!! :angry:

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