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Christmas Day Forecast: Severe Storms, Threat of Tornadoes and High Winds

Be prepared for severe weather on Christmas day and evening.

First, I wanted to pass this along from the Atlanta NWS at 10:20am this morning:

MEDIA...COULD YOU PLEASE ASK RESIDENTS CHECK THE BATTERIES IN THEIR NOAA WX RADIOS OR INSTALL A SEVERE WEATHER ALERTING APP ON THEIR SMART PHONES? TUE NIGHT COULD BE A LONG NIGHT. THANKS.

Not the type of thing I like to hear from the National Weather Service on Christmas Eve. You think of snow and cold at Christmas, not EF2-3 tornadoes and severe thunderstorms, but that's exactly what is in store for the southeast. 

The Storm Prediction Center had this to say this morning:

MOISTURE AND SHEAR PROFILES SUGGEST THAT ANY MCS THAT BECOMES WELL-ORGANIZED COULD CONTAIN A TORNADO THREAT FOR AN EXTENDED PERIOD. FOR THIS REASON...LONG TRACK TORNADOES COULD OCCUR WITH SUPERCELLS THAT REMAIN DISCRETE AND MOVE ALONG THE NRN EDGE OF MODERATE INSTABILITY. IN ADDITION...WIND DAMAGE WILL BE LIKELY WITH LINE-SEGMENTS THAT ORGANIZE ON THE LEADING EDGE OF THE MCS. A THREAT FOR WIDESPREAD WIND DAMAGE MAY DEVELOP ACROSS THE REGION TUESDAY WITH WIND GUSTS OVER 70 KT POSSIBLE WITH BOWING SEGMENTS EMBEDDED IN THE LINE. IF A WELL-DEVELOPED AND FAST MOVING SQUALL-LINE ORGANIZES...THEN THE WIND DAMAGE THREAT COULD BECOME SUBSTANTIAL. THE THREAT FOR SEVERE STORMS SHOULD CONTINUE THROUGH MUCH OF THE OVERNIGHT PERIOD REACHING THE SRN APPALACHIAN MTNS AND ERN GULF COAST STATES LATE TUESDAY NIGHT.

I know everyone will be enjoying the festivities that Christmas Day brings, but please stay alert for severe weather as the day goes on, and especially into the evening. James Spann, one of the most experienced weather forecasters in the southeast, had this to say:

"The baseline is having a NOAA Weather Radio in your home, properly programmed, and with fresh batteries in case of a power failure. Also, having a good smart phone warning app is even better. We recommend iMap WeatherRadio for iPhone and Android phones, and MyWarn for iPhone. Both will warn you ONLY if you are in a warning polygon (remember, warnings are not county based), you can program in fixed locations."

I will be providing the latest updates here on the Patch through Christmas evening and into Wednesday as conditions warrant. 

Please remember, whenever you need weather information, please visit us at the new and improved DaculaWeather.com. You can also get the latest weather information by following us on Twitter and Facebook 
DaculaWeather.com... Your Window to the Weather

This post is contributed by a community member. The views expressed in this blog are those of the author and do not necessarily reflect those of Patch Media Corporation. Everyone is welcome to submit a post to Patch. If you'd like to post a blog, go here to get started.

North Georgia Weather December 26, 2012 at 12:43 AM
..SEVERE STORMS INCLUDING A FEW TORNADOES LIKELY TONIGHT/EARLY WED MORNING... .UPDATE... MAIN CONVECTIVE LINE AHEAD OF COLD FRONT IS PROGRESSING QUICKER THAN ANTICIPATED ACROSS CENTRAL AL THIS EVENING AND ARE NOW LOOKING AT POTENTIAL FOR SEVERE THREAT BEGINNING NEAR 03Z IN WESTERN PORTIONS OF THE FORECAST AREA. SOME DISCRETE CELLS SHOWING SIGNS OF ROTATION HAVE BEEN TRACKING MOSTLY NORTHWARD ACROSS SOUTHEASTERN AL NEAR THE NORTHERN EXTENT OF THE WARM SECTOR. BASED ON PROGGED SHORT RANGE ENSEMBLE MEMBERS... THE SOUTHWESTERN PORTION OF CENTRAL GA LOOKS TO HAVE THE BETTER INSTABILITY TONIGHT POTENTIALLY GETTING UP TO 500 J/KG OF MUCAPE...WHILE A LINGERING HYBRID CAD DOME HAS PRIMARILY SERVED TO LIMIT INSTABILITY FARTHER NORTHWARD. EARLIER SHOWER DEVELOPMENT DURING THE DAY MAY HAVE REINFORCED THIS FEATURE AND WILL MONITOR CONDITIONS CLOSELY. ALL CONSIDERED... BELIEVE BEST CHANCE FOR ISOLATED TORNADO POTENTIAL WILL BE SOUTHERN/SOUTHWESTERN TIER MAINLY SOUTH OF COLUMBUS AND MACON. MADE ADJUSTMENTS TO POP/WX GRIDS BASED ON PROGRESSION OF AFOREMENTIONED CONVECTION.
Kristi Reed December 26, 2012 at 01:29 AM
Well that at least sounds like slightly better news for our area.
North Georgia Weather December 26, 2012 at 11:17 AM
Not bad. I had 3.26" of rain of the last three days! Is that what you're talking about Tommy?
North Georgia Weather December 26, 2012 at 11:43 PM
Of course... as soon as I leave. ...LIGHT SNOW SHOWERS OR FLURRIES EXPECTED THIS EVENING AND TONIGHT ACROSS NORTH AND CENTRAL GEORGIA... PERIODS OF LIGHT SNOW OR A WINTRY MIX ARE EXPECTED ACROSS PORTIONS OF CENTRAL GEORGIA THIS EVENING AND TONIGHT. NO ACCUMULATION IS EXPECTED ACROSS CENTRAL GEORGIA...HOWEVER LIGHT SNOW IN THE HIGHER ELEVATIONS OF NORTH GEORGIA WHERE SURFACE TEMPERATURES ARE LOWER MAY RESULT IN MINOR ACCUMULATIONS OF LESS THAN A QUARTER OF AN INCH. MOTORISTS SHOULD PROCEED WITH CAUTION AS SOME ROADWAYS MAY BECOME SLICK AS TEMPERATURES ARE LOOKING TO FALL INTO THE UPPER 20S TO LOW 30S OVERNIGHT. VISIBILITIES MAY ALSO BE TEMPORARILY REDUCED IN AREAS OF SNOW SHOWERS.
Tommy Hunter December 27, 2012 at 12:56 AM
Didn't get that much, but I'll take the two inches. Not quite what I was talking about but good enough for now. We need about ten more of these (minus the severe weather) this winter. See what you can cook up.

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