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

http://www.extremeinstability.com/07-8-21.htm

Some pictures from the Same storm system, and 20th August pictures on Mike's site are pretty amazing as well.

Steve I think the biggest Hailstone on the SPC Site was given as 4.25 Inches, although some could have been near the US Record from Coffeeyville (Ks) that were much bigger than Softball sized.

Paul S

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Posted
  • Location: Warminster, Wiltshire
  • Location: Warminster, Wiltshire
Huge hail - 2:00 mins watch for the hailstone that rolls past- looks like the size of a football LOL

That's crazy :( , I've played/paused the video from 1:57-2:00 to see it many times!

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

Those videos are unreal! How often would hail like that occur?

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

PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE SIOUX FALLS SD 240 PM CDT WED AUG 22 2007

..DANTE SOUTH DAKOTA HAILSTONE OFFICIALLY MEASURED AT 5.25 INCHES LARGE HAIL FELL ACROSS PORTIONS OF SOUTHEAST SOUTH DAKOTA TUESDAY EVENING AUGUST 21 2007. THE SMALL COMMUNITY OF DANTE...IN SOUTHEAST CHARLES MIX COUNTY...TOOK A DIRECT HIT FROM THE LARGE HAIL. MOST HOMES IN DANTE SUSTAINED CONSIDERABLE HAIL DAMAGE...WITH HOLES PUNCHED IN ALMOST EVERY ROOF IN TOWN BY THE LARGE HAIL. THE NATIONAL WEATHER SERVICE SURVEYED THE DAMAGE AND FOUND THE LARGEST HAILSTONE TO BE 5.25 INCHES IN DIAMETER. THIS HAILSTONE WAS NOT PICKED UP FOR 10 TO 20 MINUTES AFTER IT FELL...SO WAS LIKELY LARGER WHEN IT HIT THE GROUND. THE LARGE HAIL CREATED CRATERS UP TO 10 INCHES BY 12 INCHES IN THE YARDS THROUGHOUT DANDE. THE LARGEST HAIL FELL AT APPROXIMATELY 610 PM ON AUGUST 21 2007.

WHILE UNUSUALLY LARGE AND VERY DAMAGING...THE DANTE HAIL DOES NOT SET A NATIONAL OR STATE RECORD. THE NATIONAL RECORD HAIL IS 7 INCHES ACROSS...MEASURED AT AURORA NEBRASKA ON JUNE 22 2003. THE SOUTH DAKOTA RECORD...SINCE 1950...APPEARS TO BE 6.00 INCHES IN CUSTER COUNTY ON JUNE 22 1968. MORE RECENT NOTABLE LARGE HAIL IN SOUTH DAKOTA INCLUDES 4.25 INCHES 2 MILES SOUTH OF DELMONT IN DOUGLAS COUNTY ON SEPTEMBER 16 2006 AND 4.25 INCH DIAMETER HAIL IN SULLY COUNTY 8 MILES WEST OF AGAR ON AUGUST 24 2006. PICTURES OF THE DANTE HAIL AND ASSOCIATED DAMAGE...WILL BE POSTED TO THE WFO SIOUX FALLS NEWS HEADLINE WEB PAGE WWW.WEATHER.GOV/FSD BY NOON THURSDAY AUGUST 23 2007.

I stand corrected on the Coffeyville Record from the 70's

Paul Sherman

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Posted
  • Location: Taunton, Somerset
  • Weather Preferences: Snow, thunder, strong winds
  • Location: Taunton, Somerset

Great videos there, must have been slightly worrying but exciting at the same time to experience first hand.

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Posted
  • Location: Stewartstown (51m asl) , N.Ireland. (In Dazzling Dazza Land)
  • Location: Stewartstown (51m asl) , N.Ireland. (In Dazzling Dazza Land)
:rolleyes: Good grief, can you imagine being caught out in that!
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Posted
  • Location: New Milton, Hampshire (55m AMSL)
  • Location: New Milton, Hampshire (55m AMSL)

In response to Paul's post above, regarding the SD hail last week, it appears bigger stones were found, one of 6 and 7/8th inches diameter, making it a record for SD. Here's a link with pics:

http://www.crh.noaa.gov/fsd/?n=hail2007aug21_dante

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

Impressive pics!

Any idea on the largest hail stones found in the UK and Ireland?

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Posted
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
Any idea on the largest hail stones found in the UK and Ireland?

Think the largest hail recorded in the UK fell near Horsham, West Sussex on the 5th September 1958, some the size of tennis balls fell, quoted from The Weather of Britain by Robin Stirling ... the hail was up to "2.75 in (7 cm) and weighed 142 grams", TORRO suggested a stone weighed 190g ... possibly more:

http://www.torro.org.uk/TORRO/research/hailextreme.php

Hail that size would have reached H7 on TORRO's Hailstorm Intensity Scale:

http://www.torro.org.uk/TORRO/severeweather/hailscale.php

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

thanks for that Nick!

Didnt think we got anything along those lines here, scary stuff

I'm surprised a lot of people don't die in those kinda hail storms, can't imagine anyone would last too long in the storms shown above

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