781 FXUS64 KJAN 240137 AAA AFDJAN AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE JACKSON MS 730 PM CST WED JAN 23 2008 DISCUSSION UPDATE: WINTER WEATHER POTENTIAL FOR AREAS ALONG THE HIGHWAY 82 CORRIDOR INCREASING FOR FRIDAY AFTERNOON AND FRIDAY EVENING...
TWO DIFFERENT CONCERNS THIS EVENING INCLUDE A SLIGHT POTENTIAL FOR WINTER WEATHER TOMORROW MORNING OVER AREAS ALONG AND S OF INTERSTATE 20 AND THEN A GREATER POTENTIAL FOR AREAS ALONG HWY 82 LATER THIS WEEK. LATEST SATELLITE IMAGERY REVEALS A VERY ACTIVE LOOKING SUBTROPICAL STREAM ACROSS THE SRN CONUS EARLY THIS EVENING. PERTURBATIONS IN THIS STREAM WILL COMBINE WITH A COLD POLAR AIRMASS (NOT QUITE ARCTIC IN NATURE) SURGING SWD TO BRING TWO ROUNDS OF PRECIPITATION OVER THE NEXT COUPLE OF DAYS. THE FIRST ROUND OF LIGHT PRECIPITATION IS ON-GOING AND WILL CONTINUE INTO THURSDAY MORNING. WHILE THE GFS CAME IN COLDER WITH COLD ADVECTION TOMORROW MORNING AS PRECIPITATION IS ENDING ALONG AND S OF INTERSTATE 20...THE NAM SHOWS THAT IT WILL BE TOO WARM FOR WINTRY PRECIP. WE WILL KEEP A CLOSE EYE ON THIS SCENARIO THIS EVENING...BUT RIGHT NOW FEEL THAT ALL SIGNIFICANT RAIN WILL BE OUT OF THE AREA BEFORE A SWITCH-OVER TO LIGHT SLEET OR LIGHT SNOW CAN TAKE PLACE. DON'T BE SURPRISED THOUGH IF A FEW FLAKES OF SNOW OR SLEET PELLETS SHOW AT PRECIP'S END.
As a side note, usually when they advertise it, nothing happens
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or 

