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Severe Weather Risk This Weekend


Jim Martin

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5 minutes ago, Calderon said:

Very high chance we've got a tornado down on the eastern side of Tyndall AFB. Velocities have really increased. No TDS, but differential ref. showing some concerns.

Tornadoes coming onshore are the worst. No TDS, just have to assume it's on the ground based on the low LCL.

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SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
111 PM CST SUN JAN 22 2017  
  
ALC011-221945-  
/O.CON.KBMX.TO.W.0012.000000T0000Z-170122T1945Z/  
BULLOCK AL-  
111 PM CST SUN JAN 22 2017  
  
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CST FOR NORTHERN  
BULLOCK COUNTY...  
          
AT 111 PM CST, A CONFIRMED TORNADO WAS LOCATED NEAR SHOPTON, OR 10  
MILES WEST OF UNION SPRINGS, MOVING NORTHEAST AT 45 MPH.  
  
HAZARD...DAMAGING TORNADO.   
  
SOURCE...RADAR CONFIRMED TORNADO.   

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1 minute ago, Amped said:

Tornadoes coming onshore are the worst. No TDS, just have to assume it's on the ground based on the low LCL.

The western cell that has opened up somewhat now near Lynn Haven had a damaging RFD in eastern Panama City Beach. Small limbs are down for several blocks west of St. Andrews State Park. 

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C067-221930-  
/O.CON.KTAE.TO.W.0040.000000T0000Z-170122T1930Z/  
HENRY AL-  
113 PM CST SUN JAN 22 2017  
  
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CST FOR  
SOUTHEASTERN HENRY COUNTY...  
          
AT 113 PM CST, A CONFIRMED TORNADO WAS LOCATED 9 MILES EAST OF  
HEADLAND, MOVING NORTHEAST AT 45 MPH.  
  
HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.   
  
SOURCE...RADAR CONFIRMED TORNADO.   
  

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ULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE TALLAHASSEE FL  
242 PM EST SUN JAN 22 2017  
  
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A  
  
* TORNADO WARNING FOR...  
  SOUTHEASTERN CLAY COUNTY IN SOUTHWESTERN GEORGIA...  
  SOUTHERN RANDOLPH COUNTY IN SOUTHWESTERN GEORGIA...  
  NORTHERN CALHOUN COUNTY IN SOUTHWESTERN GEORGIA...  
  TERRELL COUNTY IN SOUTHWESTERN GEORGIA...  
  
* UNTIL 330 PM EST  
      
* AT 242 PM EST, A TORNADO PRODUCING STORM WAS LOCATED NEAR EDISON,  
  OR 12 MILES SOUTH OF CUTHBERT, MOVING NORTHEAST AT 50 MPH.  
  
  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.   
  
  SOURCE...RADAR CONFIRMED TORNADO.  

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Saw Pres Trump offering condolences and pledging help for se states. Says in GA already 11 deaths . Can't find news link for these. Anyway north Florida through south Central GA and coastal plain SC are sitting in a really bad spot this afternoon. Way to fertile ground for supercells. Not looking good for those folks.

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Of note, there is likely a very strong tornadic waterspout off in the Atlantic about 35 miles ENE of Naval Station Mayport, FL. Just shows how intense the dynamics are and how widespread they are.

Also, many of the showers and thunderstorms from Jax down to Ocala are rotating to some degree.

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TOR warning for Auburn, Al. 

155 PM CST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CST FOR
NORTHWESTERN LEE COUNTY...

At 154 PM CST, a severe thunderstorm capable of producing a tornado
was located over Auburn, moving northeast at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows, and vehicles will occur.  Tree damage is
         likely.

Locations impacted include...
Auburn, Opelika, Auburn University, Robert G. Pitts Airport and
Chewacla State Park.
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From the Storm Prediction Center...

As a plume of high theta-e air continues to stream
   northward to a warm front advancing north across south GA (serving
   as convective inflow), and very strong low-level SRH (around 550
   m2/s2 in the lowest 1 km above ground per Tallahassee VAD wind
   profile) continues given the strong surface cyclogenesis, the
   potential for significant, long-track, fast-moving tornadoes will
   exist.

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MESOSCALE DISCUSSION 0117  
NWS STORM PREDICTION CENTER NORMAN OK  
0202 PM CST SUN JAN 22 2017  
  
AREAS AFFECTED...PORTIONS OF NORTH FL AND SOUTH GA  
  
CONCERNING...TORNADO WATCH 21...  
  
VALID 222002Z - 222100Z  
  
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 21 CONTINUES.  
  
SUMMARY...THE ONSET OF A DANGEROUS TORNADO OUTBREAK IS ONGOING. A  
LINE OF POTENTIALLY TORNADIC SUPERCELLS IS SPREADING EASTWARD AROUND  
45-50 KT. LONG-TRACK, FAST-MOVING, STRONG TORNADOES WILL BE  
POSSIBLE.  
  
DISCUSSION...A LINE OF DISCRETE/SEMI-DISCRETE SUPERCELLS EXTENDING  
FROM FAR SOUTHWEST GA TO CENTRAL/EASTERN PORTIONS OF THE FL  
PANHANDLE WILL CONTINUE SPREADING EASTWARD AROUND 45-50 KT.  
APPROXIMATE TIMES OF ARRIVAL OF THIS LINE ARE DEPICTED IN THE  
ACCOMPANYING GRAPHICAL PRODUCT. STORM-RELATIVE MOTION FROM RADAR  
SUGGESTS TIGHTENING/STRENGTHENING LOW-LEVEL MESOCYCLONES WITH THIS  
ACTIVITY. THIS ACTIVITY NOW LIES EAST OF A FRONT THAT ARCS NORTHWARD  
TO SURFACE LOW PRESSURE OVER CENTRAL AL FEATURING A DEEPENING RATE  
OF OVER 1 MB PER HOUR. PRECEDING PRESSURE FALLS OF 7-9 MB PER 2  
HOURS HAVE BEEN NOTED, WITH OPEN-WARM-SECTOR PRESSURE FALLS OF 3-6  
MB PER 2 HOURS. AS A PLUME OF HIGH THETA-E AIR CONTINUES TO STREAM  
NORTHWARD TO A WARM FRONT ADVANCING NORTH ACROSS SOUTH GA (SERVING  
AS CONVECTIVE INFLOW), AND VERY STRONG LOW-LEVEL SRH (AROUND 550  
M2/S2 IN THE LOWEST 1 KM ABOVE GROUND PER TALLAHASSEE VAD WIND  
PROFILE) CONTINUES GIVEN THE STRONG SURFACE CYCLOGENESIS, THE  
POTENTIAL FOR SIGNIFICANT, LONG-TRACK, FAST-MOVING TORNADOES WILL  
EXIST.  

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11 minutes ago, Calderon said:

The cell in northern Clay County concerns me as it'll be traversing very highly populated areas almost the entire way to the ocean.

Where is Murfreesboro? I thought that was in Tennessee. Obviously this is a different Murfreesboro. But I have no idea.

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