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Severe Weather US June.


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Posted
  • Location: South Shields Tyne & Wear half mile from the coast.
  • Location: South Shields Tyne & Wear half mile from the coast.
http://news.bbc.co.uk/1/hi/uk/8106746.stm

Thats one big "funnel cloud"!

The person who wrote the piece under the video is wrong about the 'flash' of lightning

as thats a 'powerflash (as clearly heard by the person shooting the video)' its when the

tornado ploughs into overhead electric cables or transformers. Good video nonetheless, i watched it unfold

last night on Roger Hill's streaming cam and the storm structure itself was absolutely awesome.

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

Quite Right NL!

That was a Power Flash from the Power Lines further down the road. Aurora is quite the place for Tornadoes and Chasing. You would need danger money working in that Loves Gas Station along I-80 Although I would work there just for the Storms :D Aurora also holds the equal record for the Biggest US Hailstone from about 6 years ago.

Paul S

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Posted
  • Location: South Shields Tyne & Wear half mile from the coast.
  • Location: South Shields Tyne & Wear half mile from the coast.

SPC at the NWS have issued the updated risk for severe storms and have raised the tornado

chances to 15%.

224

ACUS01 KWNS 181243

SWODY1

SPC AC 181239

DAY 1 CONVECTIVE OUTLOOK

NWS STORM PREDICTION CENTER NORMAN OK

0739 AM CDT THU JUN 18 2009

VALID 181300Z - 191200Z

...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON AND TONIGHT

ACROSS PARTS OF EASTERN SD...SOUTHERN MN...MUCH OF IA...SOUTHERN

WI...NORTHERN IL...AND NORTHERN IND...

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE CENTRAL/NORTHERN

PLAINS INTO THE MID ATLANTIC AND SOUTHEAST STATES...

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE SOUTHERN HIGH

PLAINS...

ANOTHER VERY ACTIVE SEVERE WEATHER DAY IS EXPECTED TODAY AROUND THE

PERIPHERY OF AN UPPER RIDGE. SEVERAL CLUSTERS OF SEVERE STORMS ARE

LIKELY ACROSS THE COUNTRY AFFECTING AREAS FROM THE PLAINS STATES TO

THE MID ATLANTIC AND SOUTHEAST.

..OH VALLEY INTO SOUTHEAST TODAY

A MATURE AND FAST-MOVING BOW ECHO IS CURRENTLY AFFECTING EASTERN IL

AND WILL TRACK INTO IND SHORTLY. THIS ACTIVITY WILL TRACK

SOUTHEASTWARD ALONG THE NORTH EDGE OF A VERY MOIST AND UNSTABLE

AIRMASS INTO KY/TN THIS AFTERNOON. GIVEN THE LONGEVITY OF THIS

SYSTEM AND SUFFICIENT VERTICAL SHEAR...IT IS LIKELY THAT THE MCS

WILL MAINTAIN A RISK OF SEVERE STORMS TO THE CREST OF APPALACHIANS

AND POSSIBLY INTO NC/SC/GA THIS EVENING. DAMAGING WINDS APPEAR TO

BE THE MAIN THREAT.

..MIDWEST INTO UPPER MS VALLEY

A LARGE RESERVOIR OF HIGH INSTABILITY RESIDES ACROSS THE CENTRAL

PLAINS AND MID MS VALLEY THIS MORNING. WIDESPREAD MUCAPE VALUES OF

3000-5000 J/KG WILL DEVELOP BY AFTERNOON WITH A RELATIVELY WEAK CAP

AROUND THE EDGES FROM NEB/SD INTO IA/MN/WI/IL. SEVERAL ROUNDS OF

SEVERE STORMS WILL LIKELY AFFECT THIS AREA...BEGINNING WITH THE

ONGOING BOW ECHO OVER NORTHWEST IA. THIS MCS WILL TRACK EASTWARD

AND WILL LIKELY WEAKEN AS IT MOVES INTO WI/IL LATER THIS MORNING.

BY MID AFTERNOON...THE OUTFLOW BOUNDARY ASSOCIATED WITH THE MORNING

CONVECTION IS EXPECTED TO EXTEND ACROSS CENTRAL IA. BACKED LOW

LEVEL WINDS ALONG AND NORTH OF THE BOUNDARY...COUPLED WITH STRONG

DAYTIME HEATING AND DEWPOINTS IN THE MID 70S WILL YIELD EXTREME

INSTABILITY WITH MLCAPE VALUES APPROACHING 5000 J/KG AND LITTLE CAP.

FORECAST SOUNDINGS OVER SOUTHERN MN AND NORTHERN IA INDICATE THE

RISK OF INTENSE SUPERCELLS FORMING OVER THIS AREA CAPABLE OF VERY

LARGE HAIL...DAMAGING WINDS...AND PERHAPS SIGNIFICANT TORNADOES.

THESE STORMS WILL TRACK EASTWARD INTO SOUTHWEST WI AND NORTHERN

IL...WITH CONSOLIDATION INTO A LARGE MCS EXPECTED. BOW ECHO

FORMATION IS POSSIBLE DURING THE EVENING ACROSS NORTHERN IL/IND WITH

THE THREAT OF WIDESPREAD DAMAGING WINDS. STORMS MAY TRACK AS FAR

EAST AS CENTRAL OH OVERNIGHT.

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.

Geez guys! That's Honey I've Blown-Away The Kids! :lol:

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Posted
  • Location: SE London
  • Location: SE London

latest watch

URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 487

NWS STORM PREDICTION CENTER NORMAN OK

755 PM CDT SAT JUN 20 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF

A SMALL PART OF CENTRAL AND NORTHEAST KANSAS

EFFECTIVE THIS SATURDAY EVENING FROM 755 PM UNTIL 1100 PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST OF SALINA

KANSAS TO 25 MILES SOUTHEAST OF MANHATTAN KANSAS. FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU7).

and to confirm the watch

0010 GREAT BEND BARTON KS 3836 9881 UNCONFIRMED DAMAGE IN GREAT BEND. (ICT)

0011 1 SW PRINCETON FRANKLIN KS 3848 9529 BRIEF TOUCHDOWN (TOP)

0055 8 N INMAN MCPHERSON KS 3834 9777 TORNADO IS RAIN WRAPED. (ICT)

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Posted
  • Location: SE London
  • Location: SE London

pretty windy out there tonight

0123 UNK MCPHERSON MCPHERSON KS 3837 9766 LARGE TREES DOWNED AND TELEPHONE POLES DOWN ALL OVER TOWN. SOME ROOF DAMAGE. STREET FLOODING ACROSS TOWN. HIGHWAY 56, KANSAS AVENUE, FOOT OF WATER OVER ROAD. (ICT)

and up to 6 reported 'nados now

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Posted
  • Location: Scarborough, North Yorkshire - 80m ASL
  • Weather Preferences: Tornadoey
  • Location: Scarborough, North Yorkshire - 80m ASL

Looks somewhat interesting this evening in Central and Northern Iowa. Most paramaters are good for some pretty severe storms, surface winds are backed a little and this results in some nice looking hodographs early evening. I'd suggest somewhere north and a touch east of Des Moines although initiation may be a little west of there.... South West Flow aloft has been a little missing, even in these last few weeks with not many storms with a northerly component to their motion, so today should be more of a classic chase :lol: One to keep an eye on...

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Posted
  • Location: SE London
  • Location: SE London

Hi Gorky

latest meo discussion concurs

MESOSCALE DISCUSSION 1259

NWS STORM PREDICTION CENTER NORMAN OK

1233 PM CDT SUN JUN 21 2009

AREAS AFFECTED...NRN IA INTO SRN MN

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 211733Z - 211900Z

THE THREAT FOR SEVERE STORMS INCLUDING SUPERCELLS CAPABLE OF HAIL

AND TORNADOES IS EXPECTED TO INCREASE ACROSS DISCUSSION AREA THIS

AFTERNOON INTO EVENING. CONVECTIVE TRENDS ARE BEING MONITORED FOR A

POSSIBLE WW.

LATEST MESOANALYSIS INDICATED A SURFACE LOW BETWEEN MHE AND YKN WITH

ATTENDANT WARM FRONT EXTENDING SEWD THROUGH CNTRL IA /NEAR DSM/ INTO

W-CNTRL IL. A COLD FRONT TRAILED SWD FROM THE LOW THROUGH ERN NEB.

AS THIS LOW DEVELOPS EWD...EXPECT WARM FRONT TO PIVOT NWD TO

VICINITY OF THE IA/MN BORDER BY LATE AFTERNOON.

VISIBLE SATELLITE AND COMPOSITE RADAR DATA INDICATE DEEPENING

CUMULUS AHEAD OF SURFACE LOW AND COLD FRONT FROM FAR SERN SD SWD

INTO NERN NEB /NEAR OFK/. AMBIENT...WARM SECTOR AIR MASS IS WARMING

RAPIDLY AND WHEN COUPLED WITH DEWPOINTS OF 70-75 F...ENVIRONMENT HAS

BECOME MODERATELY UNSTABLE WITH MLCAPE OF 1000-2000 J/KG. BASED ON

THE ABSENCE OF ANY APPRECIABLE CAP PER 12Z OAX SOUNDING...EXPECT

CONVERGENCE ALONG SURFACE BOUNDARIES AND DEEPER ASCENT ALONG

TRAILING EXTENSION OF SHORT WAVE TROUGH LIFTING NEWD INTO THE UPPER

MS VALLEY TO FOSTER SCATTERED TSTM DEVELOPMENT BY MID AFTERNOON.

INITIAL STORM DEVELOPMENT IS EXPECTED TO OCCUR W/SW OF WARM FRONT

WITHIN REGION OF SUFFICIENT DEEP...BUT RELATIVELY WEAK LOW-LEVEL

SHEAR. AS SUCH...INITIAL SEVERE THREATS WILL BE HAIL AND PERHAPS

SOME WIND. THE POTENTIAL FOR TORNADOES IS EXPECTED TO INCREASE

LATER THIS AFTERNOON INTO EVENING AS MORE MATURE STORMS /SUPERCELLS/

BEGIN TO INTERACT WITH WARM FRONT WHERE AIR MASS WILL CONTINUE TO

DESTABILIZE AND LOW-LEVEL SHEAR INCREASE.

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Posted
  • Location: SE London
  • Location: SE London

Watch issued #488

http://www.spc.noaa.gov/products/watch/ww0488.html

URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 488

NWS STORM PREDICTION CENTER NORMAN OK

330 PM CDT SUN JUN 21 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF

NORTHERN AND CENTRAL IOWA

FAR SOUTHERN MINNESOTA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 330 PM UNTIL

1000 PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTHWEST OF

WORTHINGTON MINNESOTA TO 30 MILES NORTHEAST OF CEDAR RAPIDS IOWA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).

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Posted
  • Location: Scarborough, North Yorkshire - 80m ASL
  • Weather Preferences: Tornadoey
  • Location: Scarborough, North Yorkshire - 80m ASL

First Tor Warning north of Des Moines in the area I highlighted earlier. I think this area will be the most proilific for tornadoes on the warm front, but way back east, there are some nice cells going up on the cold front also. (In fact one of them is tor warned now also...)

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Posted
  • Location: SE London
  • Location: SE London

3 reports now

2148 1 N STANHOPE HAMILTON IA 4231 9380 TORNADO ON THE GROUND AT 320TH AND HWY 17. SPOTTER REPORTED DEBRIS CLOUD AND BECOMING RAIN WRAPPED AT 452 PM. (DMX)

2229 7 NNE ROCK VALLEY LYON IA 4330 9624 (FSD)

2245 2 SE WILLIAMS HAMILTON IA 4247 9352 BRIEF TOUCHDOWN. (DMX)

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Posted
  • Location: SE London
  • Location: SE London

13 reports now

0031 3 W HOLLAND GRUNDY IA 4240 9286 CHASER REPORTED RAIN WRAPPED TORNADO WITH HEAVY DEBRIS APPARENTLY FROM A BARN. (DMX)

0035 DIKE GRUNDY IA 4246 9263 TORNADO TOUCHDOWN IN DIKE MOVING NORTH. (DMX)

0048 NW DIKE GRUNDY IA 4246 9263 TORNADO TOUCHEDDOWN JUST WEST OF DIKE AND HIT A HOUSE ON THE NORTHWEST SIDE OF DIKE. LOTS OF DEBRIS WITH EXTENSIVE DAMAGE REPORTED. (DMX)

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Posted
  • Location: SE London
  • Location: SE London

18 reports now

0106 2 S MANSFIELD FREEBORN MN 4354 9361 TOUCHDOWN...PLUS UP TO 5 FUNNEL CLOUDS. (MPX)

0113 3 SE MARENGO IOWA IA 4177 9203 ROTATION EXTENDING FROM GROUND TO CLOUD BASE, BUT NOT ABLE TO SEE DEBRIS DUE TO RAIN WRAPPING. (DVN)

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Posted
  • Location: South Shields Tyne & Wear half mile from the coast.
  • Location: South Shields Tyne & Wear half mile from the coast.

Andy Gabrielson's encounter with a tornado (and barn debris) in Grundy County Iowa yesterday.

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Posted
  • Location: Redhill, Surrey
  • Weather Preferences: Southerly tracking LPs, heavy snow. Also 25c and calm
  • Location: Redhill, Surrey
Can't wait to see if an LRF for 22-26 June plays out....severe storm activity around NE plains area up to he lakes. Should be a significant event.

BFTP

Looks like this has come off!!

http://sirocco.accuweather.com/iwxpage/adc...up/iws0_430.jpg

BFTP

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

SPC Have another 3 back to back Slight Risks which make it No's 25,26 & 27 for the Month of June. If we get a Slight Risk for the Carolinas on Sunday followed by what looks likely to be 2 Risk days on Monday and Tuesday towards the Rockies and Northern High Plains then that will make June one of the most active ever and a Clean Sweep of 30/30 days of Risks :(

THIS IS WHAT MAY WAS SUPPOSED TO BE LIKE!! Aaaarrrrgggghhh :(

Cannot believe we had no Slight Risks for 12 Solid Days from the 15th May until 26th May - Goes to show just what a bad season 2009 was during May

Roll on 2010

Paul S

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  • 2 weeks later...
Posted
  • Location: South Shields Tyne & Wear half mile from the coast.
  • Location: South Shields Tyne & Wear half mile from the coast.

Now that June is over preliminary Tornado reports have an estimated 292 sightings but

the actual figure will be less..

May figures are pretty disappointing preliminary reports only 227..!! actual figures aren't in yet

dont think it'll be as bad as 2006 but has been a drastic 09 'season' for tornado/severe storm enthusiasts..

http://www.spc.noaa.gov/climo/online/monthly/newm.html

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