[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 162053
SWOMCD
SPC MCD 162053
TNZ000-170000-

MESOSCALE DISCUSSION 0073
NWS STORM PREDICTION CENTER NORMAN OK
0253 PM CST MON FEB 16 2015

AREAS AFFECTED...PORTIONS OF MIDDLE/ERN TN

CONCERNING...WINTER MIXED PRECIPITATION

VALID 162053Z - 170000Z

SUMMARY...A SUBSTANTIAL ICING EVENT IS ONGOING ACROSS PORTIONS OF
MIDDLE/ERN TN...WITH THE BACK EDGE OF THE PRECIPITATION SHIELD
SHIFTING EWD THROUGH LATE AFTERNOON AND EARLY EVENING.

DISCUSSION...SFC OBSERVATIONS AND MOSAIC RADAR IMAGERY SUGGEST
WIDESPREAD SUBSTANTIAL ICING CONTINUES...WITH FREEZING RAIN RATES OF
0.05-0.10 INCH PER HOUR AND SLEET ACCUMULATION RATES LOCALLY
REACHING ONE-QUARTER INCH PER HOUR. THIS ACTIVITY LIES ALONG A
CORRIDOR OF ENHANCED WAA ALOFT ABOVE SUB-FREEZING SFC TEMPERATURES
ACROSS THE MCD AREA. WITH THE ZONE OF STRONGER ASCENT SHIFTING
EWD...THE BACK EDGE OF THE STEADIER/MORE WIDESPREAD PRECIPITATION IS
ALSO SHIFTING EWD AROUND 35 KT...PRESENTLY APPROACHING THE NASHVILLE
AREA. THIS BACK EDGE WILL CONTINUE PROGRESSING EWD INTO THE LATE
AFTERNOON AND EARLY EVENING HOURS...WITH PRECIPITATION SUBSEQUENTLY
DECREASING COVERAGE AND INTENSITY.

..COHEN.. 02/16/2015

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

ATTN...WFO...MRX...OHX...HUN...

LAT...LON   35888347 35288556 35208783 36498610 36508306 35888347



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