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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-201000-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
222 PM CDT FRI SEP 19 2014

DATE           09/19/14      SAT 09/20/14            SUN 09/21/14            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                      67          89          68          87          64
TEMP          86 81 74 70 68 67 79 87 89 83 76 72 70 68 78 86 87 81 72 68 66 64
DEWPT         65 67 66 66 65 64 68 65 63 66 65 64 64 64 68 66 63 65 63 61 58 56
MAX/MIN RH                   91          42          86          44          78
RH            49 63 78 86 88 91 70 47 42 56 70 75 81 86 71 51 44 60 73 77 77 76
WIND DIR       E  E  E  E  E  E  S  S  S  S SE SE  S  S SW  W  W  N NE NE NE NE
WIND SPD       3  2  1  2  1  1  3  3  3  3  1  1  1  1  4  5  5  3  5  8  6  5
CLOUDS        SC SC SC SC SC SC SC SC SC FW FW CL CL FW FW SC SC SC SC FW FW FW
CLOUDS(%)     42 35 35 29 29 34 34 36 36 18 18  5  5 20 20 43 43 35 35 25 25 15
POP 12HR                      5           5           5          30          20
QPF 12HR                      0           0           0        0.05           0
RAIN SHWRS                                           SC SC SC SC IS IS
TSTMS                                                SC SC SC SC IS IS
MIXHGT M AGL          799     0  2347  2456   897     0  2223  2652   158   128
MIXHGT FT AGL        2620     0  7699  8059  2942     0  7294  8702   519   421
MIXHGT M MSL          877    62  2425  2534   970    45  2301  2730   236   208
MIXHGT FT MSL        2878   203  7955  8315  3184   146  7550  8958   775   683
TRANSWIND DIR          SE     E     S     S    SE     S     W    NW     N    NE
TWIND SPD M/S           1     1     3     1     1     1     4     3     4     5
TWIND SPD MPH           3     3     6     3     3     3     9     8     9    11
VENT INDEX                 2636        5068        2962       10920        1180
CATEGORY DAY                  2           3           2           4           1
500M MIXHGT T          85    85    85    88    87    86    86    89    84    74
500M TWND DIR           S     S     S     S     S     S     W    NW     N    NE
500M TWND M/S           3     4     4     1     3     5     4     4     7    12
500M TWND MPH           6    10     9     3     8    11    10     9    17    28
DISPERSION              2     3    22    16     2     3    29    30    14    13
LAL                     1     1     1     1     1     3     3     3     2     1
LASI                    3     3     4     4     5     5     5     4     4     2
STABILITY               F     E     B     C     F     E     B     C     F     E
STAG INDEX                    3           3           3           0           0


DATE            09/22  TUE 09/23/14    WED 09/24/14    THU 09/25/14    FRI 09/26/14
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            80      56      82      62      85      61      85      60      84
TEMP           79  73  61  56  80  76  66  62  83  78  66  61  83  78  65  60  82  78
DEWPT          55  54  53  52  54  56  57  58  60  62  61  61  61  61  60  59  59  58
MIN/MAX RH         41      84      39      87      44      98      45      94      42
RH             44  50  74  84  41  50  73  87  46  57  85  98  48  56  84  94  45  51
WIND DIR           NE      NE      NE      NE       E       E       E       E       E
WIND SPD            6       5       5       4       5       5       5       5       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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