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
