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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-262200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
406 AM CST MON JAN 26 2015

DATE             MON 01/26/15            TUE 01/27/15            WED 01/28/15
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
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 TEMP                 49          37          57          35          60
TEMP             34 38 46 49 45 42 40 39 37 42 52 57 50 44 40 38 35 42 54 60 55
DEWPT            29 30 30 32 33 33 33 33 34 34 34 34 34 32 31 30 30 31 33 35 37
MAX/MIN RH                   51          88          42          82          39
RH               82 73 53 52 62 70 76 79 89 73 50 42 54 62 70 73 82 65 45 39 51
WIND DIR         NW NW  W SW SW SW  W NW NW  N  N  N NE NE  E  E SE SE  S  S  S
WIND SPD          8  9  8  9  8  8  6  6  8 14 11 10  5  4  3  4  4  6 10 10 10
CLOUDS           B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC
CLOUDS(%)        67 65 44 32 23 17 10 11 11 18 24 18 11 10  9 14 18 22 25 38 50
POP 12HR                      0           0           0           0           0
QPF 12HR                      0           0           0           0           0
T WIND DIR        N NW NW  W SW  S SW  W NW  N  N  N NE  E  E SE SE  S  S  S  S
T WIND SPD       17 12  9  9  6  5  6  6  5 14 16 11  5  5  4  4  4 14 14 16 10
MIXHGT M AGL          771   830     0     0   703   832     3     0   374   483
MIXHGT FT AGL        2528  2724     0     0  2306  2728    10     0  1227  1584
MIXHGT M MSL          849   908    54    37   781   910    81    64   452   561
MIXHGT FT MSL        2784  2980   176   123  2562  2984   266   210  1483  1840
TRANSWIND DIR          NW     W    SW     W     N     N     E    SE     S     S
TWIND SPD M/S           5     3     2     3     6     4     2     2     6     6
TWIND SPD MPH          12     8     5     6    13    10     5     4    13    13
VENT INDEX                 4540         405        4550         216        3366
CATEGORY DAY                  3           1           3           1           2
500M MIXHGT T          39    48    55    58    53    51    52    55    58    61
500M TWND DIR          NW     W     W    NW     N     N    NE    SE     S     S
500M TWND M/S           5     4     9    11    10     5     6     7     8     9
500M TWND MPH          12    10    21    26    23    12    13    16    18    20
DISPERSION             31    16     6     6    32    27     4     4    27    23
LAL                     1     1     1     1     1     1     1     1     1     1
LASI                    4     4     3     4     4     4     4     4     4     4
STABILITY               C     C     F     E     C     C     F     E     B     C
STAG INDEX                    3           3           3           3           3


DATE               THU 01/29/15  FRI 01/30/15  SAT 01/31/15  SUN 02/01/15
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 TEMP       45    59      35    47      35    47      36    44
TEMP          48   45 56 52 41   35 44 43 38   35 44 44 39   36 42 41
DEWPT         41   44 47 38 33   30 30 31 31   31 33 34 35   27 24 25
RH            77   96 72 59 73   82 57 62 76   85 65 68 85   69 48 52
WIND DIR            S     W       N    NE      NE    NE       N     N
WIND SPD          <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    B1   B1 SC SC SC   SC SC SC SC   B2 B2 B2 B2   B2 B1 B1
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 CHILL (F)......................WIND CHILL TEMPERATURE
HEAT INDEX (F)......................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
       +PF............PATCHY DENSE FOG
       F+.............DENSE FOG
       H..............HAZE
       BS.............BLOWING SNOW
       K..............SMOKE
       BD.............BLOWING DUST
MIXING HGT M (AGL)..................MIXING HEIGHT IN METERS
MIXING HGT FT (AGL).................MIXING HEIGHT IN FEET
TRANSWIND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION
TWIND SPD MS (M/S)..................TRANSPORT WIND SPEED IN METERS PER SECOND
TWIND SPD MPH (MPH).................TRANSPORT WIND SPEED IN MILES PER HOUR
VENT INDEX (M2/S)...................VENT INDEX IN METERS SQUARED PER SECOND
CATEGORY DAY........................CATEGORY DAY BASED ON VENT INDEX
     EXAMPLE: 1 = <2000; 2 = >=2000 AND <4000; 3 = >=4000 AND <8000;
              4 = >=8000 AND <16000; 5 = >=16000
500M MIXHGT T (F)...................SURFACE TEMPERATURE NEEDED TO CREATE MIXING
                                    UP TO 500 METERS ABOVE THE GROUND
500M TWND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION AT 500 METERS AGL
500M TWND M/S.......................TRANSPORT WIND AT 500 METERS AGL IN M/S
500M TWND MPH.......................TRANSPORT WIND AT 500 METERS AGL IN MPH
LASI (SAME AS HAINES INDEX).........LOWER ATMOSPHERIC SEVERITY INDEX
                                    MEASURES FIRE GROWTH POTENTIAL
     EXAMPLE: 1-3 = VERY LOW; 4 = LOW; 5 = MODERATE; 6 = HIGH
STABILITY...........................STABILITY CLASS
     EXAMPLE: A = VERY UNSTABLE; B = MODERATELY UNSTABLE; C = SLIGHTLY UNSTABLE
              D = NEUTRAL; E = SLIGHTLY STABLE; F = MODERATELY STABLE
              G = VERY STABLE
STAG INDEX..........................STAGNATION INDEX
     EXAMPLE: 0 = WINDS >= 10 MPH; 1 = WINDS <= 10 MPH WITH RAIN
              2 = DRY WITH DECENT WINDS
              3 = DRY WITH LIGHT WINDS AND STAGNATE CONDITIONS
WATCH/WARNING/ADVISORY...
     EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
     IN EFFECT FOR THE INDICATED HOUR


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