Snow Flurries in Tampa on Monday?????
Posted: Fri Feb 10, 2006 10:32 pm
Hey I'm not making this up, this is from the NWS TBW Discussion
NOW...SNOW FLURRIES. BELIEVE IT OR NOT...SUCCESSIVE RUNS OF THE
GFS ARE QUITE VIGOROUS WITH SUNDAY NIGHT`S REINFORCING SHORT WAVE.
GFS POINT SOUNDINGS AND CROSS SECTIONS SHOW NEAR SATURATION
BETWEEN 900 AND 700 MB ALONG WITH A RIBBON OF VERTICAL MOTION.
MOST INTERESTING IS THE DEPTH OF THE NEAR-SATURATED CONDITIONS IN
SUBFREEZING TEMPERATURES...WHICH INCLUDES *ALL* OF IT. AT THE SAME
TIME...SURFACE WIND CONVERGENCE COULD DEVELOP BEFORE DAYBREAK MONDAY IF
YOU BELIEVE THE MODEL TRENDS (THE 18Z NAM IS SIMILAR) OVER AT
LEAST THE CENTRAL ZONES. WITH SURFACE TEMPERATURES IN THE LOWER TO
MID 30S...BUT MORE IMPORTANTLY DEWPOINTS BETWEEN 25 AND 30 (RATHER
THAN UNDER 20 WHICH WOULD EVAPORATE ANY PRECIPITATION)...IT IS NOT OUT OF THE
QUESTION THAT SOME FLAKES MAY FALL. STAY TUNED.
NOW...SNOW FLURRIES. BELIEVE IT OR NOT...SUCCESSIVE RUNS OF THE
GFS ARE QUITE VIGOROUS WITH SUNDAY NIGHT`S REINFORCING SHORT WAVE.
GFS POINT SOUNDINGS AND CROSS SECTIONS SHOW NEAR SATURATION
BETWEEN 900 AND 700 MB ALONG WITH A RIBBON OF VERTICAL MOTION.
MOST INTERESTING IS THE DEPTH OF THE NEAR-SATURATED CONDITIONS IN
SUBFREEZING TEMPERATURES...WHICH INCLUDES *ALL* OF IT. AT THE SAME
TIME...SURFACE WIND CONVERGENCE COULD DEVELOP BEFORE DAYBREAK MONDAY IF
YOU BELIEVE THE MODEL TRENDS (THE 18Z NAM IS SIMILAR) OVER AT
LEAST THE CENTRAL ZONES. WITH SURFACE TEMPERATURES IN THE LOWER TO
MID 30S...BUT MORE IMPORTANTLY DEWPOINTS BETWEEN 25 AND 30 (RATHER
THAN UNDER 20 WHICH WOULD EVAPORATE ANY PRECIPITATION)...IT IS NOT OUT OF THE
QUESTION THAT SOME FLAKES MAY FALL. STAY TUNED.