[BNAWX] Severe Storm Outlook Narrative

Tue Nov 29 18:44:18 CST 2016

ACUS11 KWNS 300043
SWOMCD
SPC MCD 300043
ALZ000-TNZ000-MSZ000-300215-

MESOSCALE DISCUSSION 1846
NWS STORM PREDICTION CENTER NORMAN OK
0643 PM CST TUE NOV 29 2016

AREAS AFFECTED...PORTIONS OF SOUTHERN MIDDLE TN...NORTHEAST MS AND
FAR NORTHWEST AL

CONCERNING...TORNADO WATCH 505...506

VALID 300043Z - 300215Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 505...506 CONTINUES.

SUMMARY...INTENSE SUPERCELLS OVER NORTHEAST AND EAST-CENTRAL MS WILL
CONTINUE TO TRACK EAST-NORTHEAST INTO AL THIS EVENING. THE
DOWNSTREAM ENVIRONMENT IS CONDUCIVE TO SUPPORTING A CONTINUED
TORNADO AND DAMAGING WIND THREAT.

DISCUSSION...A COUPLE OF INTENSE SUPERCELLS...ONE WITH A CONFIRMED
TORNADO IN MONROE COUNTY...MS WILL CONTINUE TO TRACK EAST-NORTHEAST
INTO FAR NORTHWEST AL. VWP DATA FROM THE GWX RADAR AT 0012Z SHOWED A
LARGE...CLOCKWISE CURVED LOW-LEVEL HODOGRAPH WITH 502 M2/S2 0-1KM
SRH. THIS AREA IS ALSO IN THE VICINITY OF A WARM FRONT STRETCHING
WEST TO EAST ACROSS NORTHERN MS/AL AND IN A STRONG WARM ADVECTION
REGIME. THE DOWNSTREAM ENVIRONMENT ACROSS NORTHERN AL IS SIMILAR TO
THAT CURRENTLY ACROSS NORTHEAST/EAST-CENTRAL MS AND 00Z REGIONAL
RAOBS CONFIRM THAT A STRONGLY SHEARED...MODESTLY UNSTABLE AIRMASS
EXTENDS AT LEAST AS FAR EAST AS CENTRAL AL...NORTHWARD TO THE AL/TN
BORDER. AS SUCH...SUPERCELL CHARACTERISTICS WILL REMAIN POSSIBLE WITH
ANY STORMS TRACKING INTO/DEVELOPING OVER THIS REGION THROUGH THE
EVENING HOURS. A WATCH TO THE EAST OF WW 505 AND WW 506 WITH BE
FORTHCOMING SOON.

..LEITMAN.. 11/30/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OHX...BMX...HUN...MEG...JAN...

LAT...LON   35518763 35478732 35048693 34428687 33588711 33128757
            33038790 33078836 33248908 33498934 34278912 35308822
            35528802 35518763
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