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Paul

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    Daily Chase Account 080504

    in Hurricanes, Cyclones and Extreme weather worldwide

    Posted

    Severe storm warnings have now been issued either in or very near to the area that Chaser is heading toward:

    THE NWS STORM PREDICTION CENTER HAS ISSUED A

      SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  

       

             EASTERN MONTANA

             WESTERN NORTH DAKOTA

             NORTHWEST SOUTH DAKOTA

       

      EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

      800 PM CDT.

       

      HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

      MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

       

      THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 85 STATUTE MILES

      EAST AND WEST OF A LINE FROM 60 MILES NORTH OF WOLF POINT MONTANA

      TO 80 MILES WEST OF PIERRE SOUTH DAKOTA.

       

      REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

      FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE

      TORNADOES.

       

      DISCUSSION...FAST MOVING S/WV TROUGH MT WILL AID IN DEVELOPING

      SEVERE THUNDERSTORMS ERN MT INTO WRN DAKOTAS WHERE AIR MASS HAS

      BECOME SUFFICIENTLY UNSTABLE WITH STRONG HEATING.  STEEP LAPSE RATES

      COUPLED WITH 40-50 KT OF DEEP LAYER SHEAR SUGGEST PRIMARY THREAT

      WILL BE DAMAGING WINDS AS STORMS MOVE INTO WRN DAKOTAS.

       

      AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

      TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

      KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

      MOTION VECTOR 24035.

    THE NWS STORM PREDICTION CENTER HAS ISSUED A

      SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  

       

             CENTRAL AND NORTHERN IOWA

             NORTHEASTERN NEBRASKA

             SMALL PART OF SOUTHEAST SOUTH DAKOTA

       

      EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 345 PM UNTIL

      900 PM CDT.

       

      HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

      MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

       

      THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES

      NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF NORFOLK NEBRASKA

      TO 45 MILES NORTHEAST OF CEDAR RAPIDS IOWA.

       

      REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

      FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE

      TORNADOES.

       

      OTHER WATCH INFORMATION...CONTINUE...WW 162...

       

      DISCUSSION...VERY UNSTABLE AIR MASS IN PLACE VICINITY E/W FRONTAL

      ZONE.  FRONT LOCATED FROM CENTRAL NEB EWD ACROSS CENTRAL IA AND

      MOVING LITTLE. RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS EXPECTED

      NEAR FRONT AS MUCAPE HAS INCREASED TO ABOVE 3000 J/KG WITH A

      WEAKENING CAP. DEEP LAYER SHEAR IS MARGINAL FOR

      SUPERCELLS...HOWEVER DEGREE OF INSTABILITY SHOULD SUPPORT ROTATING

      STORMS ENHANCING LARGE HAIL POTENTIAL

       

      AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

      TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

      KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

      MOTION VECTOR 27025.

    By the looks of it further warnings may be issued soon - things seem to be getting pretty exciting!!

    The chase hots up!!

    in Hurricanes, Cyclones and Extreme weather worldwide

    Posted

    Things seem to be gearing themselves up in the states, ready for something quite spectacular to go off... Chaser is quite close to where the action is forecast to begin, so he should be sending us back some first hand accounts of severe weather USA tornado alley style!

    To co-incide with his chase really beginning to take off, a new page has been added to the site with many of the NOAA warnings on it, links to view the more detailed warnings and current weather reports from some of the airports in the area that Chaser is covering.. This will also be the page that any video reports will be shown on..

    Here is the link:

    http://www.net-weather.co.uk/usachase2004/...chase2004.shtml

    Chaser would really like more of us to get involved in his chase, so please do feel free to leave questions/comments for chaser, as he is checking in regularly.. Also keep an eye on the warnings and forecasts and if you feel Chaser may need to focus on a particular area, please do let him know. :D

    Its all of our chances to get involved in a storm chase from the comfort of our homes, so we all ought to take advantage of that and get stuck in :D:D

    Many thanks

    Paul

    Net-Weather alert 00014: 19th/20th March 2004 (UPDATED)

    in Latest weather updates from Netweather

    Posted

    ADVANCED WEATHER ALERT 00016

    Category: Level 3 Warning

    Weather type: High winds and heavy rain

    Affecting: All regions

    Dates Valid For: 06:00 Friday 19th March to 12.00 Sunday 21st March

    Issued: 11:45 Thursday 18th March 2004

    UPDATED: 10:30 Saturday 20th March 2004.

    Discussion: On Friday, a deepening depression is forecast to cross Northern parts of England during the day, bringing a spell of heavy rain to many areas, with up to 25mm (1 inch) possible. In addition, strong to gale force winds are expected to accompany this rain, with winds gusting up to 65MPH in exposed Southern areas of England and Wales, and up to 55MPH in inland parts of England and Wales.

    Travelling conditions will become very dangerous, so extra time and care should be taken. In addition, there is a risk of possible structural damage to buildings and trees coming down.

    There is a small risk (25%) that the low may deepen further than currently forecast, bringing severe gales with winds up to 80MPH over Eastern England later tomorrow.

    Further wet and windy weather is expected on Saturday, with heavy rain (up to 25mm in some parts) and gales of up to 60MPH possible.

    UPDATE: The strongest winds on Saturday will be across many Southern parts of England and Wales, with strong to gale force southwesterly winds gusting up to 70MPH in exposed places, and 60MPH in some inland areas

    Driving conditions will be dangerous at times, and drivers are urged to take extra care. In addition, small branches may come down off trees.

    Due to the unpredictable nature of this set-up, please stay tuned to Net-Weather for possible flash updates as the developing situation becomes clearer.

    Confidence Level: (70%)

    Note: This alert should be considered a guide and we strongly recommend you stay tuned to the Met-Office for further warnings and updates.

    Expect further updates as and when needed.

    Disclaimer: The owners of net-weather.co.uk hold no responsibility for losses or damage to property or injury to persons due to any information or forecasts contained in this website. The application of any of the information or forecasts within this site are entirely at the users risk. The information and forecasts held on this website and any services linked with the website are provided on an as is basis, the owners of net-weather hold no responsibility for losses or damage to property or injury to persons due to any of these being unavailable at any time.

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