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

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874
FOUS54 KSJT 300021
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
721 PM CDT SUN MAY 29 2016<br>

TXZ128-301030-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
721 PM CDT SUN MAY 29 2016

DATE           05/29/16      MON 05/30/16            TUE 05/31/16            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                      64          85          66          83          66
TEMP                71 68 65 64 73 83 85 83 74 70 67 66 73 80 83 81 73 70 67 66
DEWPT               66 66 65 63 66 66 66 67 68 67 67 66 68 68 68 67 67 68 67 66
MAX/MIN RH                  100          54         100          61         100
RH                  84 93100 97 79 57 54 59 82 90100100 84 67 62 63 81 93100100
WIND DIR            SE SE SE SE  S  S  S SE SE  S  S  S  S  S  S  S SE SE  S  S
WIND SPD            10 10  8  5  9  9 10 10 10 10 10  8 11 12 12 12 10  5  5  6
CLOUDS              OV B2 B2 B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2
CLOUDS(%)           89 86 76 66 48 44 46 59 64 69 72 75 72 69 70 70 72 74 76 77
POP 12HR                     70          30          40          50          70
QPF 12HR                   0.82        0.15        0.43        0.16        0.39
RAIN SHWRS           L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L
TSTMS                L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L
SVR TSTORM           A  A
LAL                     4     4     3     3     3     3     3     3     4     4
HAINES                  4     5     5     3     3     4     4     4     4     4
MIX HGT              2700   800  3700  5400  2700   700  3900  4300  2300   300
T WIND DIR             SE     S     S     S     S     S     S     S    SE     S
T WIND SPD             20    18    13    16    18    17    19    20    18    10
SMOKE DISP             FR    PR    FR    GD    FR    PR    GD    GD    FR    PR


DATE           06/01 THU 06/02/16 FRI 06/03/16 SAT 06/04/16 SUN 06/05/16
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            79      61      76      60      79      60      82      61      83
TEMP          77 77 65 61 73 74 64 60 75 77 64 60 78 80 66 61 79 81
DEWPT         66 65 63 61 62 61 61 58 59 57 59 58 60 58 59 58 60 59
MIN/MAX RH
RH            69 67 94100 69 64 90 93 58 49 83 93 54 47 78 90 52 48
PWIND DIR           E      NE      NE       N       N      NE       N      NE      NE
WIND CHAR         <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B1 B1 SC SC FW SC SC SC FW FW FW SC
POP 12HR           60      50      40      30      20       5      10       5      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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