Fire Weather Point Forecast Matrices
Hamby RAWS
Issued by NWS San Angelo, TX

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FOUS54 KSJT 282248
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
548 PM CDT TUE JUL 28 2015
TXZ128-291030- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 548 PM CDT TUE JUL 28 2015 DATE 07/28/15 WED 07/29/15 THU 07/30/15 FRI UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 MIN/MAX 75 98 76 98 76 TEMP 97 85 81 78 75 84 93 97 96 85 81 79 76 85 93 97 96 85 81 79 76 DEWPT 60 62 62 63 64 67 63 60 57 59 59 63 65 66 62 61 60 62 61 62 63 MAX/MIN RH 68 27 69 29 65 RH 30 46 52 59 68 56 37 30 27 42 47 58 69 54 36 31 30 47 51 57 65 WIND DIR SE SE S S S SW S SE SE SE SE S S SW SE E SE SE SE S S WIND SPD 10 9 10 9 6 8 5 8 9 5 5 4 4 3 3 5 5 5 4 3 1 CLOUDS FW FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC SC SC FW FW SC CLOUDS(%) 12 11 9 14 18 21 25 27 28 25 22 21 21 26 30 33 35 35 25 25 42 POP 12HR 5 5 5 5 5 QPF 12HR 0 0 0 0 0 RAIN SHWRS S TSTMS S LAL 1 1 1 1 1 1 1 1 1 1 HAINES 6 6 5 6 6 5 5 5 5 5 MIX HGT 9200 5400 7900 10200 9900 7000 8600 9400 9000 6000 T WIND DIR S S SE SE SE SE SE SE SE S T WIND SPD 20 18 9 10 16 11 6 11 13 6 DATE 07/31 SAT 08/01/15 SUN 08/02/15 MON 08/03/15 TUE 08/04/15 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MAX/MIN 96 74 95 73 96 75 98 75 100 TEMP 92 94 80 74 91 93 79 73 91 94 80 75 93 96 81 75 95 98 DEWPT 62 62 66 64 62 59 61 59 58 56 56 58 58 55 57 62 59 55 MIN/MAX RH RH 37 35 63 71 39 32 55 63 33 28 44 55 31 25 44 64 30 24 PWIND DIR E E E SE SE SE S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC B1 SC SC SC SC SC SC SC SC FW FW FW FW FW SC SC POP 12HR 20 10 20 10 5 5 5 5 5 $$ BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT DAY 1 THROUGH 3... MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE TEMP(F).............................AIR TEMPERATURE DEWPT(F)............................DEW POINT TEMPERATURE MIN/MAX RH OR MAX/MIN RH(%).........MAXIMUM/MINIMUM HUMIDITY RH(%)...............................RELATIVE HUMIDITY WIND DIR(8 POINT COMPASS)...........20 FT. WIND DIRECTION WIND DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES RELATIVE TO DUE NORTH. EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH; 27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH WIND SPD(MPH).......................20 FT. WIND SPEED WIND GUST(MPH)......................20 FT. WIND GUST WIND CHILL..........................WIND CHILL TEMPERATURE HEAT INDX...........................HEAT INDEX CLOUDS(CAT).........................CLOUD COVER CATEGORY EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED; B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION QPF 12HR(IN)........................LIQUID EQUIVALENT PRECIPITATION AMOUNT WEATHER... TYPE... RAIN...........RAIN RAIN SHWRS.....RAIN SHOWERS TSTMS..........THUNDERSTORMS DRIZZLE........DRIZZLE SNOW...........SNOW SNOWSHWRS......SNOW SHOWERS SLEET..........SLEET FLURRIES.......FLURRIES FRZG RAIN......FREEZING RAIN FRZG DRZL......FREEZING DRIZZLE COVERAGE... S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY O..............OCCASIONAL D..............DEFINITE AR.............AREAS PA.............PATCHY OBVIS...............................OBSTRUCTION TO VISIBILITY TYPE... F..............FOG PF.............PATCHY FOG F+.............DENSE FOG H..............HAZE BS.............BLOWING SNOW K..............SMOKE BD.............BLOWING DUST AF.............VOLCANIC ASHFALL LAL(CAT)............................LIGHTNING ACTIVITY LEVEL MIX HGT(FT AGL).....................MIXING HEIGHT T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX DISPERSION..........................LDSI MAX LVORI...........................LVORI STA PRES (INCHES MERCURY)...........STATION PRESSURE ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX CEILING (FT)........................CEILING STABILITY (CAT).....................PASQUILL TURNER STABILITY WATCH/WARNING/ADVISORY... EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH IN EFFECT FOR THE INDICATED HOUR DAY 4 THROUGH 7... MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE TEMP(F).............................AIR TEMPERATURE DEWPT(F)............................DEW POINT TEMPERATURE RH(%)...............................RELATIVE HUMIDITY WIND SPD(MPH).......................20 FT. WIND SPEED EXAMPLE: <15 = LESS THAN 15 MPH; 15> = 15 MPH OR GREATER AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION WEATHER... SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS

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