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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-221000-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
308 PM CDT TUE OCT 21 2014

DATE           10/21/14      WED 10/22/14            THU 10/23/14            FRI
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                      47          70          44          68          48
TEMP          77 65 59 54 51 48 60 68 69 63 56 52 48 45 54 63 67 61 55 52 51 49
DEWPT         51 51 50 48 46 45 48 44 42 44 43 43 41 40 44 42 41 44 44 43 43 42
MAX/MIN RH                   89          37          87          38          80
RH            41 60 72 79 81 89 64 43 37 49 62 70 76 82 69 47 38 55 65 72 73 77
WIND DIR       N  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N  N NW NW
WIND SPD       4  3  4  4  4  4  8  6  8  4  3  2  2  3  3  2  2  2  1  1  1  2
CLOUDS        FW CL CL CL CL CL CL CL CL FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 FW
CLOUDS(%)     10  0  0  0  0  3  3  3  3 10 10 24 24 37 37 54 54 53 53 53 53 15
POP 12HR                      0           0           0           5           5
QPF 12HR                      0           0           0           0           0
MIXHGT M AGL            0     0   948  1047     0     0   773   955     7     0
MIXHGT FT AGL           0     0  3109  3436     0     0  2537  3134    24     0
MIXHGT M MSL           53    51  1026  1125    49    40   851  1033    85    62
MIXHGT FT MSL         175   167  3365  3692   161   131  2793  3390   280   204
TRANSWIND DIR          NE    NE    NE    NE    NE    NE     E     N     E     W
TWIND SPD M/S           2     2     5     4     2     2     2     1     0     1
TWIND SPD MPH           4     5    12     9     5     4     4     2     1     2
VENT INDEX                  168        5625         162        1033         112
CATEGORY DAY                  1           3           1           1           1
500M MIXHGT T          72    67    63    65    62    62    62    66    67    67
500M TWND DIR          NE    NE    NE    NE     E     E     E     N     E     W
500M TWND M/S           8     9     6     5     8     7     3     1     1     2
500M TWND MPH          18    21    13    12    19    17     6     3     2     5
DISPERSION              3     6    31    33     3     3    10     5     1     2
LAL                     1     1     1     1     1     1     1     1     1     1
LASI                    5     4     4     4     4     4     4     4     4     3
STABILITY               F     E     B     C     F     E     B     C     F     E
STAG INDEX                    0           3           2           3           0


DATE            10/24  SAT 10/25/14    SUN 10/26/14    MON 10/27/14    TUE 10/28/14
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            76      54      81      56      81      56      80      59      75
TEMP           70  69  59  55  77  74  63  57  76  74  64  57  75  72  63  60  74  67
DEWPT          47  51  51  52  55  58  56  54  56  57  55  54  55  57  56  54  53  53
MIN/MAX RH         39      88      44      91      44      90      45      80      47
RH             44  53  77  88  46  58  80  90  49  55  75  89  50  60  76  80  48  59
WIND DIR            W      SW       W      SW       S       S       S       S       W
WIND SPD            2       3       4       2       4       6       8       7       7
AVG CLOUDS     FW  FW  CL  CL  FW  FW  FW  FW  FW  FW  CL  CL  FW  FW  SC  SC  B1  B1
POP 12HR            5       5       0       0       5       5      10      20      20
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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