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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-212200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
526 AM CST FRI NOV 21 2014

DATE             FRI 11/21/14            SAT 11/22/14            SUN 11/23/14
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 TEMP                 60          49          67          56          68
TEMP             42 49 57 60 56 53 51 50 49 56 64 67 63 60 58 57 56 61 66 68 61
DEWPT            40 42 46 48 49 49 47 47 46 47 49 48 49 49 50 52 53 57 60 60 57
MAX/MIN RH                   62          91          50          93          75
RH               93 77 67 64 77 86 86 89 89 72 58 50 60 67 75 83 90 87 81 76 87
WIND DIR          E  E  E  E SE SE SE  S SE SE  S SE SE SE SE SE SE  S  S  S  S
WIND SPD          8 10  8  6  5  6  9 10  9 12 13 13  8 11 12 16 18 19 19 19 10
CLOUDS           OV OV OV OV OV OV OV B2 B2 B1 B1 B2 OV OV OV OV OV OV B2 B1 SC
CLOUDS(%)        95 95 95 93 89 89 89 78 70 68 67 79 92 96100100100100 72 51 50
POP 12HR                     70          30          20          90          90
QPF 12HR                   0.06        0.07        0.05        1.05        0.32
RAIN              L  L  C  C
RAIN SHWRS                   SC SC SC SC IS IS IS IS SC SC  O  O  O  O SC SC SC
TSTMS                                                       O  O  O  O
T WIND DIR        E SE SE SE  E SE SE  S  S  S  S  S SE SE SE SE SE SE  S SW  S
T WIND SPD        5 10  9 11  5  9  8 10  9 23 19 16  6  9 17 13 14 13 18 11 14
MIXHGT M AGL          232   333    41    34   669   779    98   138   351   333
MIXHGT FT AGL         761  1091   135   110  2194  2555   322   454  1153  1094
MIXHGT M MSL          310   411   119   112   747   857   176   216   429   411
MIXHGT FT MSL        1017  1347   391   366  2450  2812   578   710  1409  1350
TRANSWIND DIR          SE    SE    SE     S     S    SE    SE    SE    SE     S
TWIND SPD M/S           4     4     3     4     8     6     5     6     7     6
TWIND SPD MPH           9     9     8     9    19    13    11    14    16    13
VENT INDEX                 1644         476        6856        1170        3003
CATEGORY DAY                  1           1           3           1           2
500M MIXHGT T          62    63    64    63    62    63    64    63    61    61
500M TWND DIR           S    SE    SE     S     S    SE    SE     S    SE    SW
500M TWND M/S           5     7    12    14    11     7    12    12    11    10
500M TWND MPH          12    16    27    32    26    17    28    27    26    23
DISPERSION             12    11     7     9    44    35    15    15    33    27
LAL                     1     1     1     1     1     1     5     5     5     1
LASI                    3     3     3     2     2     3     4     2     2     2
STABILITY               D     C     C     E     D     C     D     D     D     D
STAG INDEX                    3           3           3           3           3


DATE               MON 11/24/14  TUE 11/25/14  WED 11/26/14  THU 11/27/14
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 TEMP       49    58      39    53      33    50      37    52
TEMP          53   49 57 51 43   39 51 45 37   33 47 45 40   37 50 47
DEWPT         51   44 40 36 34   32 32 31 30   29 31 33 33   33 36 39
RH            93   83 53 56 70   76 48 58 75   85 53 62 76   85 58 74
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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