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Chickasaw State Forest Fire Weather Point Forecast Matrix


TNZ053-191000-
CHICKASAW STATE FOREST NFDRS SITE-CHESTER TN
35.37N  88.83W ELEV. 496 FT
320 PM CDT FRI APR 18 2014

DATE           04/18/14      SAT 04/19/14            SUN 04/20/14            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                      47          75          50          78          54
TEMP          69 65 57 52 49 48 62 72 75 71 60 55 51 50 64 74 78 73 64 59 56 55
DEWPT         48 49 48 46 44 46 48 47 47 48 49 48 47 48 50 51 51 53 53 53 53 52
MAX/MIN RH                   94          36          94          39          94
RH            46 55 73 80 84 94 61 42 36 44 65 78 87 94 60 44 39 49 67 79 89 93
WIND DIR      NE NE  N  N  N  N NE  N NE  N  N NE  W  N  S  S  S  S  S  S  S  S
WIND SPD       4  3  1  1  2  2  6 10  8  5  1  2  0  0  3  2  5  1  1  2  3  3
CLOUDS        B1 SC SC SC FW FW FW FW FW FW FW CL FW FW FW SC SC B1 B1 B1 B2 B2
CLOUDS(%)     67 33 30 26 18 10 10 10 10 10  7  5  6  6 22 37 44 51 58 66 73 80
POP 12HR                      5           0           0           5          10
QPF 12HR                      0           0           0           0           0
RAIN SHWRS                                                                   IS
TSTMS                                                                        IS
MIXHGT M AGL          694     0  1674  1652   839     0  1430  1704   801     3
MIXHGT FT AGL        2277     0  5491  5419  2751     0  4690  5591  2626    10
MIXHGT M MSL          825    58  1815  1785   971   130  1571  1851   944   140
MIXHGT FT MSL        2706   190  5955  5857  3184   427  5154  6073  3096   460
TRANSWIND DIR           E     N    NE    NE    NE    SE    SE     S     S     S
TWIND SPD M/S           2     2     7     6     3     2     4     6     3     3
TWIND SPD MPH           5     4    16    14     6     4    10    13     8     8
VENT INDEX                 2446       12705        4224        9255        5448
CATEGORY DAY                  2           4           3           4           3
500M MIXHGT T          65    65    67    71    71    66    65    75    74    70
500M TWND DIR           E    NE    NE    NE     E    SE    SE     S     S     S
500M TWND M/S           4     6     7     6     7     7     4     4     6     8
500M TWND MPH           9    14    16    13    16    16    10     9    14    19
DISPERSION              4     6    53    33     5     6    34    28     5    11
LAL                     1     1     1     1     1     1     1     1     1     2
LASI                    3     4     5     4     3     2     2     3     3     3
STABILITY               F     E     B     C     F     E     A     B     F     E
STAG INDEX                    3           2           2           3           0


DATE            04/21  TUE 04/22/14    WED 04/23/14    THU 04/24/14    FRI 04/25/14
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      56      75      49      74      52      77      58      75
TEMP           74  73  61  57  72  70  55  50  71  70  57  52  74  74  62  58  73  71
DEWPT          54  56  56  56  53  50  49  47  47  47  48  48  51  53  53  53  54  55
MIN/MAX RH         48     100      44      94      38      86      41      83      48
RH             51  56  86  99  51  49  81  92  43  44  71  85  44  49  72  83  51  57
WIND DIR           SW       W      NW       N       N       E      SE       S      SW
WIND SPD            6       5       6       5       3       4       6       7       7
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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