Feb. 9-11 SE Storm OBS, Please Post OBS and Forecast Here Options

[Mid Tn. Man]

Central and Southern plains system will move east and into the Tennessee and Ohio Valley's on Friday. Light rain will move into the area during the day Friday changing to light snow Friday night with a dusting possible along the Cumberland Pleateau from Crossville northward.

[Mid Tn. Man]

NATIONAL WEATHER SERVICE MORRISTOWN TN
308 PM EST THU FEB 9 2012

.SHORT TERM (TONIGHT THROUGH SATURDAY NIGHT)...SURFACE HIGH PRESSURE
REMAINS OVER THE AREAS TONIGHT. MOSTLY CLEAR SKIES WITH TEMPERATURES
AT OR BELOW NORMAL. SURFACE HIGH PRESSURE SHIFTS EAST ON FRIDAY. A
MID LEVEL SHORT WAVE APPROACHES FROM THE SW. CLOUD COVER INCREASES
AND LOWERS THROUGH THE DAY. PATCHES OF RAIN WILL ADVANCE INTO THE
AREA BY LATE AFTERNOON. THE FREEZING LEVEL AT THE BEGINNING OF THE
PRECIPITATION EVENT WILL BE BETWEEN 3500 TO 4000 FEET. THE SHORT
WAVE WILL MOVE QUICKLY EAST ACROSS THE SOUTHERN PART OF THE MRX CWA.
A STRONG UPPER JET WILL QUICKLY FOLLOW FROM THE NW. THE FREEZING
LEVEL WILL LOWER FRIDAY NIGHT AND THE RAIN WILL CHANGE TO MOSTLY
SNOW BY SATURDAY MORNING. THE TEMPERATURE PROFILE IS BECOMING
FAVORABLE FOR LIGHT ACCUMULATIONS IN THE NORTHERN AND CENTRAL VALLEY
BY SATURDAY MORNING. THE AVAILABLE MOISTURE...ESPECIALLY IN THE SNOW
GROWTH REGION IS MARGINAL AND QUESTIONABLE AT THIS TIME. CONFIDENCE
IS RISING FOR A REQUIREMENT FOR A SNOW ADVISORY ACROSS SW VA AND THE
CENTRAL AND NORTHEAST MOUNTAINS OF TENNESSEE FRIDAY NIGHT INTO
SATURDAY. STRONG COLD AIR ADVECTION ON SATURDAY WILL KEEP
TEMPERATURES WELL BELOW NORMAL. UPSLOPE AND SCATTERED INSTABILITY
SNOW SHOWERS WILL PERSIST MUCH OF THE DAY BUT LIMITED MOISTURE WILL
HOLD DOWN SIGNIFICANT ACCUMULATIONS. H85 TEMPS WILL RANGE FROM -10
TO -15C AND SURFACE TEMPERATURES IN THE TEENS WILL BE COMMON SUNDAY
MORNING.

[Mid Tn. Man]

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
1049 AM CST FRI FEB 10 2012

...SNOW AND MUCH COLDER TEMPERATURES WILL DEVELOP TONIGHT...

.A COLD FRONT WILL SWEEP INTO MIDDLE TENNESSEE TONIGHT. LIGHT RAIN
AND SNOW WILL CHANGE TO ALL SNOW LATE THIS EVENING ACROSS THE
CUMBERLAND PLATEAU. THE SNOW WILL ACCUMULATE LATE EVENING AND
OVERNIGHT AS SIGNIFICANTLY COLDER AIR ARRIVES. SNOW SHOWERS WILL
CONTINUE ON AND OFF INTO SATURDAY MORNING. MOST OF THE NORTHERN
CUMBERLAND PLATEAU WILL RECEIVE AROUND 1 INCH OF SNOWFALL...WITH
HIGHER LOCATIONS SUCH AS JAMESTOWN AND MONTEREY RECEIVING UP TO 2
INCHES. SLICK AND SNOW COVERED ROADS WILL DEVELOP. ALSO...THE COLD
AIR AND GUSTY WINDS WILL CAUSE WIND CHILL VALUES TO DROP INTO THE
TEENS.


TNZ010-011-031>034-065-066-110100-
/O.NEW.KOHX.WW.Y.0002.120211T0000Z-120211T1800Z/
CLAY-PICKETT-JACKSON-PUTNAM-OVERTON-FENTRESS-WHITE-CUMBERLAND-
INCLUDING THE CITIES OF...CELINA...BYRDSTOWN...GAINESBORO...
COOKEVILLE...LIVINGSTON...JAMESTOWN...SPARTA...CRO
SVILLE
1049 AM CST FRI FEB 10 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
NOON CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST SATURDAY.

* EVENT...AROUND 1 INCH OF SNOW FOR THE NORTHERN PLATEAU...WITH 2 INCHES
AT THE HIGHEST ELEVATIONS.


This post has been edited by Mid Tn. Man: Feb 10 2012, 11:54 AM

[NorEaster07]

NWS Tallahassee, FL FB Page

[Mid Tn. Man]

obs..L/SN..38