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

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FOUS54 KSJT 310841
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
341 AM CDT TUE MAY 31 2016
TXZ128-312215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 341 AM CDT TUE MAY 31 2016 DATE TUE 05/31/16 WED 06/01/16 THU 06/02/16 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 82 64 80 62 77 TEMP 68 67 74 79 82 80 72 68 66 64 72 77 80 78 70 66 64 62 69 74 77 75 DEWPT 67 65 67 66 66 65 66 66 66 64 65 65 65 65 65 65 64 62 64 64 63 63 MIN/MAX RH 57 100 60 100 62 RH 97 93 79 64 57 61 81 93100100 79 67 60 64 84 97100100 84 71 62 66 WIND DIR S S S S S SE SE SE SE SW E NE E NE E NE NE N N NE NE NE WIND SPD 6 5 10 10 9 9 9 8 5 4 5 4 5 6 3 3 3 4 4 6 8 5 CLOUDS B2 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 CLOUDS(%) 74 68 72 75 72 69 75 80 82 83 81 79 80 80 85 89 90 91 91 90 90 77 POP 12HR 50 70 60 60 60 QPF 12HR 0.29 0.83 0.49 0.43 0.41 RAIN SHWRS C C C C C L L L L L L L L L L L L L L L L C TSTMS C C C C C L L L L L L L L L L L L L L L L C LAL 3 3 4 4 4 4 4 4 4 4 HAINES 4 4 4 4 4 5 5 5 5 5 MIX HGT 3300 4900 2100 300 3000 4300 2400 300 3600 5200 T WIND DIR S S S NE NW NW N W N N T WIND SPD 20 16 11 6 10 9 3 3 16 21 SMOKE DISP FR FR PR PR PR PR PR PR GD GD DATE FRI 06/03/16 SAT 06/04/16 SUN 06/05/16 MON 06/06/16 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 61 77 61 81 63 83 61 83 TEMP 64 61 74 76 65 62 77 79 67 63 79 81 66 61 79 81 DEWPT 63 61 64 61 61 59 61 62 63 61 60 57 58 57 58 57 MAX/MIN RH RH 97100 71 60 87 91 58 56 87 93 52 44 74 87 49 44 PWIND DIR N N NE N NE N NE NE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW POP 12HR 40 40 20 30 20 20 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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