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000
FXUS64 KOHX 121752
AFDOHX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
1252 PM CDT WED MAR 12 2014

.UPDATE...FOR 18Z AVIATION FORECASTS

&&

.AVIATION...
STRONG COLD FRONT SWEPT THROUGH ALL 3 TAF SITES THIS MORNING
LEAVING GUSTY WINDS AND LOW CLOUDS AREA WIDE FOR THE REST OF THIS
AFTERNOON. CIGS SHOULD SLOWLY RISE A TAD THIS AFTERNOON BUT WILL
REMAIN GENERALLY OVC. WINDS IN THE 20 TO 30 KT RANGE WILL CONTINUE
FOR A FEW MORE HOURS BEFORE SLOWLY SUBSIDING LATE TODAY INTO THIS
EVENING AS THE GRADIENT WEAKENS. COULD BE A FEW SPRINKLES THIS
AFTERNOON BUT NOT A FACTOR FOR THE TAFS. MOISTURE DOES NOT CLEAR
OUT TOO QUICKLY SO WILL KEEP SOME LOW CLOUDS IN THE TAFS
OVERNIGHT. EXPECT IMPROVEMENT AFTER 12Z THURSDAY.

&&

.PREV DISCUSSION... /ISSUED 1058 AM CDT WED MAR 12 2014/

UPDATE...
STRONG COLD FRONT MOVED INTO NW PART OF MIDDLE TN AROUND DAYBREAK.
IT RACED ACROSS THE REGION THIS MORNING AND MOVED OUT OF THE MID
STATE JUST BEFORE 16Z. A VERY NARROW BAND OF SHOWERS ACCOMPANIED
THE FRONT AND HAD EXITED THE MID STATE BY 16Z. POST FRONTAL
NORTHWEST WINDS WERE COMMONLY IN THE 20 TO 30 MPH RANGE WITH
GUSTS CLOSE TO 40 MPH. EXPECT SIMILAR WINDS FOR THE NEXT SEVERAL
HOURS BEFORE DECREASING LATE THIS AFTERNOON AS GRADIENT SLACKENS.
WILL KEEP THE LOW END WIND ADVISORY GOING TO ITS ORIGINAL ENDING
TIME OF 00Z. WILL ALSO KEEP SLIGHT CHANCE POPS ALL AREAS THIS
AFTERNOON FOR POSSIBILITY OF A LITTLE BIT OF LIGHT RAIN/SPRINKLES.

PREV DISCUSSION... /ISSUED 738 AM CDT WED MAR 12 2014/

UPDATE...
UPDATED THE SUITE OF FORECAST PRODUCTS PER CURRENT RADAR AND
SHORT TERM MODEL TRENDS. BASICALLY...LOOKS LIKE MOST SHWR
ACTIVITY IN A LINEAR TYPE NE/SW LINE IS JUST IN FRONT OF SFC
FRONT WHICH HAS ALREADY WORKED ITS WAY INTO THE CLARKSVILLE AREA
WITH TEMPS CURRENTLY AROUND 50 AND BREEZY NW WINDS WITH GUSTS UP
TO 43 MPH. SOME LIGHT SHWRS NOTED AHEAD OF THE FRONT TOO. EXPECT
THIS TREND TO CONTINUE THRU THE MID MORNING HRS...AND DECREASE
SHWR CHANCES ACROSS MOST LOCATIONS W OF PLATEAU AFTER FRONTAL
PASSAGE FOR THE MORNING HRS. STILL EXPECT TEMPS TO FALL INTO THE
UPPER 30S TO LOWER 40S BY THE LATE AFTERNOON HRS.

PREV DISCUSSION... /ISSUED 623 AM CDT WED MAR 12 2014/

AVIATION...
A STRONG COLD FRONT WILL MOVE THROUGH THE MID-STATE BY 18Z...WITH
ALL THREE TAF SITES EXPERIENCING MVFR CIGS AND VIS UNDER A NARROW
BAND OF SHOWERS. ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE...BUT
MAIN IMPACT WILL BE RAPID WIND SHIFT TO THE NORTHWEST WITH
SUSTAINED WINDS OF 20 TO 25 KTS AND GUSTS TO NEAR 35 KTS. LOW CIGS
AND GUSTY WINDS WILL GRADUALLY SUBSIDE AFTER 00Z.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR TNZ005>011-023>034-
056>066-075-077>080-093>095.

&&

$$

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