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

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916
FOUS54 KSJT 222034
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
334 PM CDT SUN MAY 22 2016
TXZ128-231015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 334 PM CDT SUN MAY 22 2016 DATE 05/22/16 MON 05/23/16 TUE 05/24/16 WED 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 70 85 70 89 71 TEMP 85 83 76 72 71 70 75 83 85 83 76 72 71 70 76 86 89 87 78 74 72 71 DEWPT 69 68 68 68 69 68 69 70 70 69 68 67 68 68 69 70 69 68 69 70 70 69 MAX/MIN RH 93 58 93 50 94 RH 60 61 76 87 92 93 82 66 61 62 75 83 90 93 79 59 53 53 73 88 92 94 WIND DIR SE SE SE S S S S S S S S S S S S S S S S S S S WIND SPD 13 11 11 11 10 10 11 12 14 12 11 12 11 11 12 13 13 13 14 14 13 11 CLOUDS B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC SC B1 CLOUDS(%) 72 73 74 64 71 76 69 64 58 53 51 48 53 58 53 48 46 44 45 45 49 53 POP 12HR 40 20 20 20 20 QPF 12HR 0.03 0.07 0.09 0.07 0 RAIN SHWRS C C C S S S S S S S S S S S S S S S S TSTMS C C C S S S S S S S S S S S S S S S S LAL 3 2 2 2 2 2 2 2 2 1 HAINES 4 4 4 3 5 5 3 3 6 6 MIX HGT 2300 500 3300 4900 2000 500 3300 5500 2200 600 T WIND DIR SE S S SE SE S SW S S S T WIND SPD 24 20 16 25 24 20 19 21 23 20 SMOKE DISP FR PR FR GD FR PR FR GD FR PR DATE 05/25 THU 05/26/16 FRI 05/27/16 SAT 05/28/16 SUN 05/29/16 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 89 71 88 68 86 64 87 65 86 TEMP 86 87 74 71 85 86 71 68 83 83 67 64 83 84 68 65 82 83 DEWPT 70 65 66 66 64 64 65 64 59 56 59 60 62 59 65 63 65 63 MIN/MAX RH RH 59 48 76 84 50 49 81 87 44 39 74 87 49 42 89 93 56 51 PWIND DIR S S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC B1 B1 SC B1 B1 SC SC SC SC SC SC SC B1 SC POP 12HR 10 10 30 30 30 10 20 10 20 $$ 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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