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March 3, 2019 Severe Threat


MattPetrulli
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SPC issued an enhanced risk for tornadoes (which includes a 10% hatched) and for wind. 

As the shortwave trough moves across the lower Mississippi Valley on
   Sunday, a 75 to 90 kt mid-level jet will move across the Tennessee
   Valley. The southeastern edge of this feature will enhance ascent
   and aid strong deep-layer shear profiles. Due to this, a wind damage
   threat should develop within the squall-line by midday.  At
   low-levels, a 40 to 60 kt jet is forecast to move eastward across
   south-central Alabama during the afternoon. Discrete supercells that
   form over the warm sector near and to the southwest of the low-level
   jet max will have favorable shear profiles for tornadoes.  The
   number of tornadoes that develop will be dependent upon how many
   discrete cells form out ahead of the cold front. If a cluster of
   discrete cells can become scattered across the area with stronger
   instability, then there could be a small cluster of tornadoes. The
   greatest potential for tornadoes is currently forecast from just
   north of Mobile east-northeastward to the east of Columbus, Georgia.
    An enhanced has been added along this corridor where a potential
   for strong tornadoes will exist. In addition to tornadoes, wind
   damage and isolated large hail will also be possible with
   supercells. A wind damage threat should also be concentrated along
   the squall-line to the west.  The squall-line should progress
   eastward across the southern Gulf Coast States and into Georgia
   during the late afternoon and early evening.
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4 minutes ago, MattPetrulli said:

2 isolated cells in the Panhandle and SE AL exhibiting broad rotation, along with defined superceullular structures.
 

Edit: As I was posting, tornado warning issued for cell heading into Dothan, AL nice signature too. 

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