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

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913
FOUS54 KSJT 290850
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
350 AM CDT FRI APR 29 2016
TXZ128-292230- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 350 AM CDT FRI APR 29 2016 DATE FRI 04/29/16 SAT 04/30/16 SUN 05/01/16 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 MAX/MIN 84 52 79 53 73 TEMP 68 66 73 81 84 80 66 60 55 52 63 74 79 76 64 58 55 53 62 69 73 70 DEWPT 65 65 66 53 44 41 43 40 45 46 44 46 47 47 48 49 47 45 45 46 48 50 MIN/MAX RH 26 65 32 80 46 RH 90 97 79 38 25 25 43 47 68 79 50 37 32 36 56 72 74 73 54 44 41 49 WIND DIR S S S SW SW SW SW W W NW NW N N NE E E NE NE NE NE NE NE WIND SPD 10 10 14 17 14 10 6 4 4 4 8 5 4 5 5 6 6 10 12 12 12 11 CLOUDS B2 B2 B1 SC SC FW SC SC FW FW SC FW FW FW FW FW FW SC SC B1 SC B1 CLOUDS(%) 70 81 57 33 29 24 26 27 23 20 26 16 16 15 17 18 21 35 26 55 42 62 POP 12HR 30 10 5 5 10 QPF 12HR 0.08 0 0 0 0 RAIN SHWRS C C C C C C TSTMS C C C C C C LAL 3 3 1 1 1 1 1 1 1 1 HAINES 4 6 6 6 5 5 6 6 4 3 MIX HGT 6500 7300 300 300 2400 3700 2300 200 2200 2400 T WIND DIR SW SW SW NW N SW E NE NE NE T WIND SPD 27 18 8 6 6 3 8 6 19 18 SMOKE DISP VG VG PR PR PR PR PR PR PR PR DATE MON 05/02/16 TUE 05/03/16 WED 05/04/16 THU 05/05/16 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MIN/MAX 52 60 49 70 52 75 56 80 TEMP 56 52 58 59 51 49 66 68 56 52 70 73 60 56 75 77 DEWPT 52 51 49 49 49 47 49 50 49 49 52 51 52 51 54 55 MAX/MIN RH RH 86 97 73 70 94 94 55 53 78 89 53 47 75 84 48 47 PWIND DIR NE NE N N SE NW SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B2 B2 B2 B2 B1 SC SC FW FW SC SC SC FW FW FW POP 12HR 40 60 20 5 5 10 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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