FNUS74 KHGX 091320 FWSHGX SPOT FORECAST FOR DAVY CROCKETT...USFS - LUFKIN NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 820 AM CDT FRI APR 9 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE CENTERED OVER THE HOUSTON METROPOLITAN AREA EARLIER THIS MORNING WILL DRIFT INTO LOUISIANA THIS AFTERNOON. THE VERY LIGHT AND VARIABLE WINDS OCCURRING EARLY THIS MORNING ARE EXPECTED TO BECOME SOUTHEAST AT THE SURFACE AND UP TO THE MIXING HEIGHT. DRY CONDITIONS ARE EXPECTED ALTHOUGH SOME MOISTURE FROM OFF THE GULF OF MEXICO IS EXPECTED TO HELP ALLEVIATE THE RELATIVE HUMIDITY. THERE IS A CHANCE THAT THE MINIMUM RELATIVE HUMIDITY THIS AFTERNOON WILL DROP TO BETWEEN 20 AND 25 PERCENT IF THE TEMPERATURES REACH INTO THE UPPER 70S AND THE DEWPOINTS FALL INTO THE MID 30S. .TODAY... TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........PC PC PC PC PC PC PC PC WEATHER COV.....0 0 0 0 0 0 0 0 WEATHER TYPE....NONE NONE NONE NONE NONE NONE NONE NONE TEMP............58 63 67 70 73 75 74 66 RH..............44 36 33 31 29 28 30 43 20 FT WIND DIR..SE SE SE SE SE SE SE SE 20 FT WIND SPD..5 5 5 5 5 5 5 5 20 FT WIND GUST.5 5 5 5 5 5 5 5 MIX HGT (KFT)...4246 5306 6073 6366 6351 6203 6406 6409 MIX HGT (KM)....1294 1617 1851 1940 1936 1891 1953 1953 TRANSP WIND DIR.150 150 140 140 150 150 150 150 TRANSP WIND SPD.3 5 6 6 7 7 8 7 TRANS SPD (M/S).1 2 3 3 3 3 4 3 DISPERSION...... CAT DAY.......1 2 3 3 3 3 3 3 VENT RATE.....1997 3328 4761 4991 4979 5836 6027 6030 $$ FORECASTER...LEWIS REQUESTED BY...GLENN HAMMOND TYPE OF REQUEST...PRESCRIBED .TAG 20100409.DAVYC.01/HGX