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Severe Weather Us August 09'


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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.

    A moderate risk has been issued by the NWS/SPC for SE South Dakota, S Minnesota and W Wisconsin with a

    10% chance of a tornado. A tornado watch is in place for theses areas along with the extreme NW Iowa.

    SEL7

    URGENT - IMMEDIATE BROADCAST REQUESTED

    TORNADO WATCH NUMBER 677

    NWS STORM PREDICTION CENTER NORMAN OK

    1245 PM CDT SAT AUG 8 2009

    THE NWS STORM PREDICTION CENTER HAS ISSUED A

    TORNADO WATCH FOR PORTIONS OF

    EXTREME NORTHWESTERN IOWA

    WEST CENTRAL AND SOUTHWESTERN MINNESOTA

    EASTERN SOUTH DAKOTA

    EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL

    700 PM CDT.

    TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

    GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

    AREAS.

    THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

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

    BROOKINGS SOUTH DAKOTA TO 45 MILES EAST NORTHEAST OF REDWOOD

    FALLS MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

    ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

    REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

    TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

    AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

    THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

    AND POSSIBLE WARNINGS.

    OTHER WATCH INFORMATION...CONTINUE...WW 676...

    DISCUSSION...A SUPERCELL WAS LOCATED IN SERN SD AND OTHER SUPERCELLS

    ARE LIKELY TO DEVELOP...AS STRONG SHORTWAVE TROUGH MOVES ENEWD

    THROUGH CENTRAL SD INTO WRN MN THROUGH THE AFTERNOON. THE AMOUNT OF

    DEEP LAYER SHEAR...AROUND 60 KT...AND STRONG TO EXTREME INSTABILITY

    BY LATE AFTERNOON WILL SUPPORT VERY LARGE HAIL AND DAMAGING WINDS.

    THE VERY MOIST BOUNDARY LAYER AND ENHANCED LOW LEVEL SHEAR NEAR

    BOUNDARIES WILL BE FAVORABLE FOR TORNADOES.

    AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

    SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

    WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

    600. MEAN STORM MOTION VECTOR 25030.

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    Posted
  • Location: SE London
  • Location: SE London

    Thanks NL, not had time to keep an eye on the conditions state side. still waiting to see if the hurricane season will liven up.

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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.

    Many reports of tornadoes this evening(17 up to now*02:00am BST) warnings on-going in Minnesota,Illinois and Indiana with several reports of homes destroyed in particular Elkhart, Logan County Illinois with 15 homes reported damaged along with 1 injury.

    http://www.spc.noaa....orts/today.html

    Some intense storms over Kansas presently, a Tornado watch was to be issued but withheld for extreme southern Kansas and N/Central Oklahoma.

    http://www.spc.noaa....tch/ww0714.html

    More here on the tornadoes that struck Illinois and along the Indiana border.

    http://blogs.woodtv....order-counties/

    More reported injuries and homes damaged or destroyed..

    Two geezers blown off their motorbikes..!!!

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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

    Just to add to this.

    Storms have been affecting Canada as well

    http://news.bbc.co.uk/1/hi/world/americas/8213439.stm

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