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

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388
FOUS54 KSJT 241002
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
502 AM CDT FRI OCT 24 2014<br>

TXZ128-242230-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
502 AM CDT FRI OCT 24 2014

DATE             FRI 10/24/14            SAT 10/25/14            SUN 10/26/14
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                      85          62          89          61          88
TEMP             59 70 82 85 79 70 68 64 62 73 85 89 82 71 69 63 61 73 84 88 82
DEWPT            58 59 59 57 55 56 56 56 56 55 56 53 51 51 52 52 53 53 54 52 51
MIN/MAX RH                   37          82          30          75          29
RH               96 68 47 39 44 61 65 77 82 53 37 30 34 49 56 67 75 50 36 29 34
WIND DIR          S SW SW  S  S  S  S  S SW SW SW  S  S  S  S SW  S  S  S  S  S
WIND SPD          4  7  8  7  5  5  7  7  7 10  9 10  5  7  9  9  9 11 14 11 10
CLOUDS           FW FW FW FW FW FW FW FW FW CL CL CL CL CL CL CL CL FW FW FW FW
CLOUDS(%)        18 15 11  9  7  8  9  8  6  5  5  4  3  4  4  5  5  6  7  8 10
POP 12HR                      0           0           0           0           0
QPF 12HR                      0           0           0           0           0
LAL               1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
HAINES            5  5  4  4  4  4  4  4  4  4  5  5  4  4  4  5  5  5  5  5  5
MIX HGT          <1  2  4  3  2  1 <1 <1 <1  3  5  4  3  2 <1 <1 <1  1  3  3  3
T WIND DIR       SW SW SW SW  S  S  S SW SW SW  S  S  S  S  S SW SW SW SW SW  S
T WIND SPD        6 10  8 10  5  6  8  9  9 16 11 12  6  8 10 10 10 20 21 20  9
SMOKE DISP       PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR PR PR FR FR PR


DATE          MON 10/27/14  TUE 10/28/14  WED 10/29/14  THU 10/30/14
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          62    88      58    77      50    71      51    74
TEMP          70 62 85 81   67 58 74 70   58 50 68 66   57 51 71 68
DEWPT         52 54 56 54   55 52 48 46   46 44 45 45   47 48 49 42
MAX/MIN RH       75    33      80    35      80    39      89    34
RH            54 75 38 39   67 80 40 42   65 80 43 47   69 89 46 39
PWIND DIR         S     S      SW     N      NE    SE       S     S
WIND CHAR       <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    FW FW SC SC   FW FW FW SC   SC SC SC SC   SC SC SC SC
POP 12HR          0     5      10    10      10    10      10    10

$$

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 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...
       IS.............ISOLATED
       SC.............SCATTERED
       NM.............NUMEROUS
       O..............OCCASIONAL
       S..............SLIGHT CHANCE
       C..............CHANCE
       L..............LIKELY
       WD.............WIDESPREAD
       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
HAINES(CAT).........................HAINES INDEX
10K WIND DIR(8 POINT COMPASS).......10000 FOOT WIND DIRECTION
10K WIND SPD(MPH)...................10000 FOOT WIND SPEED
MIX HGT(THOUSANDS OF FT AGL)........MIXING HEIGHT
     EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FEET
T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION
T WIND SPD(MPH).....................TRANSPORT WIND SPEED
SMOKE DISP(CAT(KT-FT))...................SMOKE DISPERSION CATEGORY
     EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT
FOSBERG.............................FOSBERG FIRE WEATHER INDEX
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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