FNUS72 KJAX 061624 FWSJAX SPOT FORECAST FOR HOPKINS PRAIRIE...USDA FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 1124 AM EST WED MAR 6 2013 FORECAST IS BASED ON REQUEST TIME OF 1106 EST ON MARCH 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING... .DISCUSSION... STRONG WEST TO NORTHWEST WINDS WILL COMBINE WITH A VERY DRY AIRMASS TO PROMOTE DANGEROUS FIRE WEATHER CONDITIONS THROUGH SUNSET. A RED FLAG WARNING IS IN EFFECT THROUGH 6 PM. EXPECT MINIMUM RELATIVE HUMIDITY VALUES TO FALL TO 20 TO 25 PERCENT SHORTLY AFTER NOON...AND SURFACE WIND GUSTS WILL FREQUENTLY APPROACH 30 MPH. DISPERSION INDICES WILL APPROACH OR TOP 100 THIS AFTERNOON. WINDS WILL RAPIDLY DIMINISH TOWARDS SUNSET...AND HUMIDITY VALUES WILL QUICKLY RECOVER THIS EVENING AS HIGH PRESSURE BUILDS INTO OUR REGION. RELATIVE HUMIDITY VALUES WILL APPROACH CRITICAL THRESHOLDS ON THURSDAY AFTERNOON...BUT NORTHWEST TO NORTHERLY WINDS WILL BE MUCH LIGHTER...WITH MAXIMUM SPEEDS NEAR 10 MPH DURING THE LATE MORNING AND AFTERNOON HOURS. FOG POTENTIAL AND OTHER REMARKS...NO FOG IS EXPECTED THROUGH THE END OF THE WEEK. WINDY CONDITIONS WILL PUSH DISPERSIONS WELL ABOVE CRITICAL THRESHOLDS TODAY. .REST OF TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........20 PERCENT. WIND (20 FT)........WEST WINDS 20 TO 25 MPH. LAL.................1. MIXING HEIGHT.......4500 FT AGL. MIXING WINDS........WEST 30 TO 40 MPH. DISPERSION INDEX....105. CHANCE OF PCPN......0 PERCENT. LVORI...............1. TIME (EST) 11 AM 1 PM 3 PM 5 PM SKY (%).........13 4 4 3 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............55 63 63 60 RH..............30 25 20 25 20 FT WIND......W 25 W 30 W 25 W 20 20 FT WIND GUST.30 30 30 25 MIX HGT (FT)....4900 4900 4900 4800 TRANSPORT WIND..W 40 W 35 W 30 W 25 LVORI...........1 1 1 1 DISPERSION INDX.106 100 100 95 CHC OF PCPN (%).0 0 0 0 LAL.............1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT). MIN TEMPERATURE.....AROUND 38. MAX HUMIDITY........74 PERCENT. WIND (20 FT)........WEST TO NORTHWEST WINDS 6 TO 14 MPH. LAL.................1. MIXING HEIGHT.......2700-4600 FT AGL DECREASING TO 1600-2400 FT AGL AFTER MIDNIGHT. MIXING WINDS........NORTHWEST 20 TO 29 MPH DECREASING TO AROUND 18 MPH EARLY IN THE MORNING. DISPERSION INDEX....103 INCREASING TO 113 EARLY IN THE EVENING...THEN DECREASING TO 99 EARLY IN THE EVENING DECREASING TO 88 LATE IN THE EVENING DECREASING TO 13. CHANCE OF PCPN......0 PERCENT. LVORI...............2. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........3 4 7 10 11 10 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............57 49 46 43 41 39 RH..............32 46 54 61 65 70 20 FT WIND......W 15 W 10 NW 8 NW 7 NW 5 NW 5 20 FT WIND GUST.20 15 15 10 10 10 MIX HGT (FT)....4600 3800 2900 2000 1000 500 TRANSPORT WIND..W 25 NW 25 NW 20 NW 20 NW 15 NW 15 LVORI...........1 1 1 2 3 3 DISPERSION INDX.103 101 88 12 10 10 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .THURSDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........25 PERCENT. WIND (20 FT)........NORTHWEST TO NORTH WINDS 6 TO 11 MPH. LAL.................1. MIXING HEIGHT.......500 FT AGL INCREASING TO 4500 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 10 TO 15 MPH. DISPERSION INDEX....10 INCREASING TO 70 IN THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. LVORI...............2. $$ FORECASTER...NELSON REQUESTED BY...MIKE WILLIAMS TYPE OF REQUEST...WILDFIRE .TAG 20130306.HOPKI.01/JAX