http://www.spc.noaa.gov/products/md/md0075.html
MESOSCALE DISCUSSION 0075
NWS STORM PREDICTION CENTER NORMAN OK
0641 PM CST TUE JAN 16 2007
AREAS AFFECTED...SOUTH CNTRL AND SERN TX
CONCERNING...FREEZING RAIN
VALID 170041Z - 170545Z
AREAS OF LIGHT TO OCCASIONALLY MDT FREEZING RAIN WILL PERSIST
THROUGH THE EVENING. PORTIONS OF SERN TX WILL CHANGE FROM -RA TO
-FZRA WITH MAXIMUM HRLY ACCUMULATION NEAR 0.05".
SURFACE ANALYSIS INDICATES FREEZING LINE IS PROGRESSING SLOWLY SWD
ACROSS SRN TX. AREAS OF SERN TX FROM LA WARD TO BUNA COUNTIES WILL
SEE A CHANGEOVER FROM RAIN TO FREEZING RAIN AS BOTH WEAK COLD
ADVECTION AND EVAPORATIVE COOLING CONTINUE. THE HEAVIEST
PRECIPITATION RATES SHOULD REMAIN IN MUCH THE SAME AREAS AS THEY ARE
AT 00Z...FROM THE NEW BRAUNFELS AREA ENEWD TO NEAR CUT AND SHOOT.
..JEWELL.. 01/17/2007
...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC
FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
ATTN...WFO...LCH...HGX...FWD...CRP...EWX...