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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-251000-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
215 PM CDT FRI OCT 24 2014

DATE           10/24/14      SAT 10/25/14            SUN 10/26/14            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                      55          82          61          84          60
TEMP          74 67 61 59 57 55 68 79 82 74 68 65 63 61 72 82 84 76 68 64 62 60
DEWPT         43 49 50 50 50 51 56 56 56 60 59 59 58 57 63 61 59 61 60 58 57 55
MAX/MIN RH                   87          42          87          43          84
RH            34 53 66 72 79 87 64 45 42 61 74 82 85 86 71 49 43 61 74 80 82 84
WIND DIR      NW  S  S  S  S  S SW  W SW  S SW  W  N  E SE  S  S SE SE SE SE  S
WIND SPD       2  1  2  2  2  2  5  6  4  2  2  1  1  0  2  5  4  3  2  3  3  4
CLOUDS        FW CL CL FW FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%)     11  3  3  6  6  6  6  0  0  0  0  0  0  2  2  0  0  0  0  0  0  2
POP 12HR                      0           0           0           0           5
QPF 12HR                      0           0           0           0           0
MIXHGT M AGL            0     0  1424  1722     0     0   977  1236     0     0
MIXHGT FT AGL           0     0  4672  5649     0     0  3205  4054     0     0
MIXHGT M MSL           60    45  1502  1800    55    54  1055  1314    46    42
MIXHGT FT MSL         197   146  4928  5905   179   176  3461  4310   152   137
TRANSWIND DIR          SW    SW     W     W     W    NE    SE     S     S     S
TWIND SPD M/S           2     2     5     4     1     1     3     4     3     2
TWIND SPD MPH           4     4    11    10     3     2     6     9     6     5
VENT INDEX                  214        9000          84        3942         246
CATEGORY DAY                  1           4           1           3           1
500M MIXHGT T          73    74    77    81    81    79    78    81    81    78
500M TWND DIR           W     W     W     W    NW     E    SE     S     S    SW
500M TWND M/S           4     8     7     5     5     4     5     4     9    11
500M TWND MPH           9    19    17    11    11    10    11    10    20    25
DISPERSION              2     4    34    37     2     2    25    30     3     5
LAL                     1     1     1     1     1     1     1     1     1     1
LASI                    2     3     3     3     5     4     4     5     4     4
STABILITY               F     E     B     C     F     E     B     C     F     E
STAG INDEX                    3           2           3           3           0


DATE            10/27  TUE 10/28/14    WED 10/29/14    THU 10/30/14    FRI 10/31/14
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            85      62      76      57      72      54      71      53      69
TEMP           82  77  66  62  75  69  60  57  70  65  57  54  69  64  56  53  67  63
DEWPT          55  55  56  57  59  61  57  54  54  54  50  47  49  52  49  47  46  45
MIN/MAX RH         36      83      56      90      53      78      48      81      43
RH             39  47  69  83  57  73  89  90  56  66  77  76  49  63  78  81  46  52
WIND DIR            S       S      SW      NW       N      NE       N      NW       N
WIND SPD            7       7       6       4       5       3       2       2       8
AVG CLOUDS     CL  CL  FW  SC  SC  SC  B1  B2  B2  B2  B2  B1  B1  B1  SC  SC  B1  FW
POP 12HR            5      10      30      60      40      30      30      10       5
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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