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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-282200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
616 AM CST FRI NOV 28 2014

DATE             FRI 11/28/14            SAT 11/29/14            SUN 11/30/14
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                 54          45          65          55          69
TEMP                39 50 54 50 48 47 46 45 52 62 65 61 58 57 56 55 60 67 69 62
DEWPT               28 30 32 34 35 35 39 43 47 51 53 55 56 57 56 55 57 57 57 57
MAX/MIN RH                   41          96          63         100          66
RH                  64 46 43 54 60 63 76 93 83 67 65 81 93100100100 90 70 66 84
WIND DIR             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  S  S
WIND SPD             9 12 12 11 11 11 11 12 14 17 16 13 13 13 13 13 16 18 14 11
CLOUDS              FW FW FW FW FW SC SC B2 B2 OV OV OV OV OV OV OV OV B1 B1 B1
CLOUDS(%)            9  9  9 14 14 43 43 82 82 91 91 96 96 96 96 96 96 69 69 69
POP 12HR                      0           0          20          20          20
QPF 12HR                      0           0        0.02        0.02        0.02
DRIZZLE                                   S  S  S  S  S  S  S  S
RAIN                                      S  S  S  S  S  S  S  S              C
RAIN SHWRS                                                       IS IS IS IS
T WIND DIR           S  S  S  S  S  S  S  S  S  S SW  S  S  S  S  S  S SW SW  S
T WIND SPD          13 20 17 10 13 13 12 19 20 23 32 28 20 20 19 25 25 29 27 23
MIXHGT M AGL          553   614     0   105   265   630   281   340   611   671
MIXHGT FT AGL        1814  2014     0   343   871  2067   922  1115  2004  2203
MIXHGT M MSL          631   692    76   183   344   708   359   418   689   750
MIXHGT FT MSL        2070  2270   248   599  1127  2323  1178  1371  2260  2459
TRANSWIND DIR           S     S     S     S     S     S     S     S    SW    SW
TWIND SPD M/S           6     7     5     6     9    13     9     9    11    11
TWIND SPD MPH          14    16    12    14    21    29    21    21    26    26
VENT INDEX                 4844         942        7788        4530        9000
CATEGORY DAY                  3           1           4           3           4
500M MIXHGT T          49    53    58    60    60    62    66    62    61    64
500M TWND DIR           S     S     S     S     S    SW    SW    SW     S     S
500M TWND M/S           9    10    15    13    16    14    15    14    12    11
500M TWND MPH          20    23    35    31    36    33    35    32    28    26
DISPERSION             42    39    12    18    31    43    27    45    60    55
LAL                     1     1     1     1     1     1     1     1     1     1
LASI                    4     4     4     4     4     4     4     2     2     3
STABILITY               E     C     C     E     D     D     D     D     D     C
STAG INDEX                    3           3           1           1           1


DATE               MON 12/01/14  TUE 12/02/14  WED 12/03/14  THU 12/04/14
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       54    54      34    50      42    56      43    58
TEMP          57   54 47 39 37   34 47 46 44   42 54 50 46   43 55 52
DEWPT         56   53 36 31 29   31 37 40 40   37 39 40 41   40 43 43
RH            96   96 65 73 72   89 68 79 86   82 57 68 83   89 64 71
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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