Friday, February 28, 2014

Re: [californiadisasters] SoCal Severe T'storm & Tornado Dynamics In The Forecast, Pattern Not Seen Since '83



Does anyone know anything about Kevin Martin & the So Cal Weather Authority?  Looks like most of the data is accurate.  
Judy C.

On Feb 26, 2014, at 10:18 PM, Kim Noyes <kimnoyes@gmail.com> wrote:


Southern California Severe Thunderstorm and Tornado Dynamics In The Forecast, Pattern Not Seen Since March 1983

(Southern California Weather Authority.com) – Southern California is about to have one of the strongest dynamical storms in many years, with all the ingredients there for a severe weather event, including the possibility of tornado dynamics.  Dynamics like this have not been seen in Southern California since March 1983, when numerous tornado reports across the Basins hit.  The tornado environment is increasing.

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A healthy upper level jet flow will move over the area on Friday.  This will produce heavy rainfall dynamics across the region.  However with this upper jet in the area, instability will also be on the increase.  Since the sun angle is becoming higher in the sky … warmer low levels will work with the mid-levels to produce higher than normal instability.  This instability on Friday coupled with a Southwest upper level jet, and southerly low level jet of 30-35kts will bring rotation to thunderstorms across the Southern California area.  Most of the dynamics are for some inland areas, but the closer to the basin and coastal zones you are … the more likely for severe thunderstorms and/or tornadoes.

In March 1983 a number of tornadoes hit Southern California, bringing a localize tornado outbreak with the highest rating of EF2 at the Los Angeles Convention Center.

In addition the the thunderstorms, a large area of flooding where most areas will get well over an inch of rain, south and west of the mountains .. .will be likely.

SCWXA will issue the correct Flood/Winter/Wind etc watches overnight tonight or tomorrow so if on the alert system you will receive it.

- See more at: http://www.southerncaliforniaweatherauthority.com/2014/02/25/southern-california-severe-thunderstorm-and-tornado-dynamics-in-the-forecast-pattern-not-seen-since-march-1983/#sthash.OpMVKheW.dpuf


Source: http://www.southerncaliforniaweatherauthority.com/2014/02/25/southern-california-severe-thunderstorm-and-tornado-dynamics-in-the-forecast-pattern-not-seen-since-march-1983/





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