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

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840
FOUS54 KSJT 242023
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
323 PM CDT FRI JUN 24 2016<br>

TXZ128-251015-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
323 PM CDT FRI JUN 24 2016

DATE           06/24/16      SAT 06/25/16            SUN 06/26/16            MON
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                      74          94          74          93          74
TEMP          93 93 83 79 76 74 83 90 94 92 83 78 76 74 83 89 93 91 82 78 76 74
DEWPT         65 62 63 65 67 68 68 66 64 64 68 68 69 69 70 67 65 64 66 67 67 68
MAX/MIN RH                   82          37          84          40          82
RH            40 36 52 62 75 82 61 45 37 40 61 72 79 84 65 48 40 41 58 69 74 82
WIND DIR       S  S SE  S  S  S  S  S  S  S SE  S  S  S  S  S  S  S  S  S  S  S
WIND SPD      10 11  9 10 10  9 12 12 13 13 10  9  8  8  9  9  9  9  5  5  5  4
CLOUDS        FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC
CLOUDS(%)     23 15 11 18 24 41 41 38 42 42 42 46 46 64 64 63 63 61 61 48 48 48
POP 12HR                      5           5           5          20          20
QPF 12HR                      0           0           0        0.03        0.05
RAIN SHWRS                                            S  S  S  S  S  S  S  S  S
TSTMS                                                 S  S  S  S  S  S  S  S  S
LAL                     1     1     1     1     1     1     2     2     2     2
HAINES                  4     3     4     4     4     4     4     4     4     4
MIX HGT              4600   400  5300  7000  3000   300  4700  6100  2600   200
T WIND DIR              S     S     S     S     S     S     S     S     S     S
T WIND SPD             10    17    19    20    17     9    13    16     8     8
SMOKE DISP             FR    PR    GD    VG    FR    PR    FR    GD    PR    PR


DATE           06/27 TUE 06/28/16 WED 06/29/16 THU 06/30/16 FRI 07/01/16
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            93      72      92      71      93      73      95      74      94
TEMP          89 91 77 72 88 90 76 71 89 91 77 73 91 93 79 74 91 92
DEWPT         65 64 66 66 66 64 68 68 67 66 67 67 66 65 67 67 67 66
MIN/MAX RH
RH            45 41 69 81 49 42 76 90 48 43 71 81 44 39 67 79 46 43
PWIND DIR           S      SE       E      SE      SE       S       S       S       S
WIND CHAR         <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC SC SC B1 B1 SC SC SC SC FW FW SC SC SC B1 SC
POP 12HR           20      10      20      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 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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