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

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865
FOUS54 KSJT 231001
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
401 AM CST SUN NOV 23 2014<br>

TXZ128-232230-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
401 AM CST SUN NOV 23 2014

DATE             SUN 11/23/14            MON 11/24/14            TUE 11/25/14
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      70          35          59          33          55
TEMP             49 55 65 70 56 42 42 37 36 42 54 59 49 38 38 34 34 40 50 55 48
DEWPT            44 41 36 34 34 32 30 30 25 25 26 26 26 27 28 27 26 26 27 26 25
MIN/MAX RH                   26          76          28          76          33
RH               82 60 34 26 44 67 64 76 64 50 34 28 41 64 67 75 72 58 41 33 41
WIND DIR         SW SW  W NW NW  N NW  W NW NW NW SW  S  S  S SW NW  N  N NW NW
WIND SPD         12 14 19 25 16 10  5  4  4  4  5  7  4  4  5  4  5 10 11 10  5
CLOUDS           FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW
CLOUDS(%)         7  7  7 14 21 21 20 20 14 14 16 16 29 29 34 34 21 21 15 15  6
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            6  6  5  4  4  3  4  5  5  6  6  4  5  5  5  6  6  5  5  3  3
MIX HGT          <1  1  2  5 <1  2 <1 <1 <1  3  7  8 <1 <1 <1 <1 <1  2  4  6 <1
T WIND DIR       SW SW  W  W NW  N  W  W  W  W  W  W  S  S  S SW NW  N  N NW NW
T WIND SPD       11 14 27 25 16 29  6  8  6  5 12 12  5  5  5  4  5 19 24 20  5
SMOKE DISP       PR PR FR VG PR GD PR PR PR PR GD GD PR PR PR PR PR PR GD GD PR
WIND                    Y  Y


DATE               WED 11/26/14  THU 11/27/14  FRI 11/28/14  SAT 11/29/14
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            37    65      39    67      39    62      42    65
TEMP          40   38 59 55 44   40 61 56 44   40 57 54 46   43 60 57
DEWPT         23   21 26 30 29   28 33 35 34   33 38 39 43   39 43 43
MAX/MIN RH         53    25      66    29      81    43      94    45
RH            50   50 28 39 55   62 35 46 67   76 50 57 89   86 53 59
PWIND DIR          SW     W      SW    SW       S    SW       S    SW
WIND CHAR         <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    FW   FW CL CL CL   CL CL CL CL   CL FW FW FW   FW SC SC
POP 12HR            0     0       0     0       0     0       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 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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