[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Thu May 9 12:04:44 CDT 2019


ACUS11 KWNS 091704
SWOMCD
SPC MCD 091703
GAZ000-ALZ000-TNZ000-091800-

Mesoscale Discussion 0599
NWS Storm Prediction Center Norman OK
1203 PM CDT Thu May 09 2019

Areas affected...the northern and central Alabama vicinity

Concerning...Severe potential...Watch possible

Valid 091703Z - 091800Z

Probability of Watch Issuance...60 percent

SUMMARY...Locally damaging winds will remain possible over the next
couple of hours across the northern and central Alabama vicinity.  A
new WW is being considered.

DISCUSSION...Latest radar loop shows a continuous/arcing band of
thunderstorms moving east-northeastward across northern and central
Alabama at around 25 kt.  Within this fairly well-organized band,
locally damaging winds remain possible -- particularly near
smaller-scale bowing/rotating segments.  Over the past hour, a
reports of some wind damage have been received from within the line.


Though limited instability (500 J/kg mixed-layer CAPE) is indicated,
and with extensive cloud cover ahead of the storms likely to impede
additional/appreciable CAPE development, the band of storms appears
to be well-organized enough, with just enough thermodynamic support,
to continue posing some risk for damaging winds over the next couple
of hours, as storms cross Alabama and eventually approach the
Alabama/Georgia border.  A severe thunderstorm watch is being
considered for this area.

..Goss/Guyer.. 05/09/2019

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...FFC...OHX...BMX...HUN...

LAT...LON   35138712 34968573 34778535 33498531 32918538 32668627
            32338822 32568835 33128758 34038717 34538725 35138712
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