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

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037
FOUS54 KSJT 020928
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
428 AM CDT THU JUL 2 2015<br>

TXZ128-022215-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
428 AM CDT THU JUL 2 2015

DATE             THU 07/02/15            FRI 07/03/15            SAT 07/04/15
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                      94          73          93          72          93
TEMP             71 81 90 94 91 82 78 75 73 82 90 93 90 82 77 74 72 81 89 93 91
DEWPT            66 66 65 64 62 65 65 67 67 68 65 63 63 65 65 66 67 67 66 64 62
MIN/MAX RH                   36          81          37          84          37
RH               83 61 44 37 38 55 63 77 80 63 44 37 41 57 67 77 84 63 47 38 38
WIND DIR          S SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD         10 16 15 11 14  9 10 10  7 10 10 10 10  8 10 10  7 10 10 12 12
CLOUDS           SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 SC SC SC
CLOUDS(%)        50 49 43 47 50 54 57 61 64 56 52 50 48 48 49 49 51 51 49 49 39
POP 12HR                      5          10          20          10          10
QPF 12HR                      0           0           0           0           0
RAIN SHWRS                               IS IS IS IS
TSTMS                                    IS IS IS IS
LAL               1  1  1  1  1  1  1  1  2  2  2  2  1  1  1  1  1  1  1  1  1
HAINES            4  3  3  3  3  3  3  3  4  5  3  5  5  4  3  3  4  4  4  4  5
MIX HGT          <1  3  6  8  5 <1 <1 <1 <1  3  6  8  5 <1 <1 <1 <1  3  6  9  5
T WIND DIR       SW SW SW  S  S  S  S  S  S SW  S  S  S  S  S  S  S SW SW  S  S
T WIND SPD       13 24 21 21 19 17 14 12 12 16 16 16 16 18 19 19 17 17 17 16 16
SMOKE DISP       PR FR VG VG GD PR PR PR PR PR GD VG GD PR PR PR PR FR GD VG GD


DATE          SUN 07/05/15  MON 07/06/15  TUE 07/07/15  WED 07/08/15
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          74    94      75    96      74    94      73    95
TEMP          79 74 90 92   80 75 92 93   79 74 90 91   78 73 91 92
DEWPT         67 69 66 63   67 69 65 62   67 68 65 61   66 67 63 59
MAX/MIN RH       84    36      82    33      82    35      81    30
RH            67 84 45 38   65 82 41 36   67 82 43 37   67 81 40 33
PWIND DIR         S     S       S     S       S     S       S     S
WIND CHAR       <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         10    10       5    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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