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Chickasaw State Forest Fire Weather Point Forecast Matrix
TNZ053-251000-
CHICKASAW STATE FOREST NFDRS SITE-CHESTER TN
35.37N 88.83W
313 PM CDT THU JUL 24 2008
DATE FRI 07/25/08 SAT 07/26/08 SUN
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
MIN/MAX 68 93 74 95 75
TEMP 87 78 71 70 68 77 87 92 91 82 76 75 74 82 90 94 93 86 81 78 75
DEWPT 62 63 63 63 66 64 68 69 70 72 72 71 72 73 72 72 73 73 73 73 73
MAX/MIN RH 86 50 95 54 100
RH 44 61 77 80 95 66 55 48 51 71 87 88 95 75 55 49 52 67 79 85 95
WIND DIR N E S S SW S SW SW S S S SW SW W W W W SW S SW NW
WIND SPD 2 1 2 2 1 3 4 3 3 3 3 2 3 5 6 5 4 3 2 1 0
HEAT INDEX 87 91 97 97 87 88 98102102 92 85
CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW
CLOUDS(%) 50 36 36 36 36 50 50 50 50 35 35 33 33 50 50 50 50 24 24 24 24
POP 12HR 10 20 10 10 10
QPF 12HR 0 0.02 0 0 0
RAIN SHWRS IS IS IS IS
TSTMS IS IS IS IS
MIXHGT M AGL 1429 0 1368 1701 892 0 2123 2310 1524 0
MIXHGT FT AGL 4689 0 4487 5579 2926 0 6966 7578 5000 0
MIXHGT M MSL 1583 72 1524 1837 1034 77 2260 2444 1673 86
MIXHGT FT MSL 5192 235 4998 6026 3392 252 7414 8018 5487 280
TRANSWIND DIR E SE S SW S S W W SW S
TWIND SPD MS 1 2 2 1 1 2 3 3 2 2
TWIND SPD MPH 3 4 4 3 3 4 8 8 4 4
VENT INDEX 3712 3674 2132 7332 3998
CATEGORY DAY 2 2 1 4 3
500M MIXHGT T 86 87 87 88 89 89 89 92 91 91
500M TWND DIR E S S S S SW W W W SW
500M TWND M/S 3 4 3 2 3 5 3 4 3 5
500M TWND MPH 6 10 6 4 8 12 8 9 8 12
DISPERSION 2 3 12 9 2 2 28 29 6 4
LASI 4 3 3 4 4 4 3 4 5 4
STABILITY B F E B C F E B C F
STAG INDEX 2 2 2 1
DATE 07/27/08 MON 07/28/08 TUE 07/29/08 WED 07/30/08 THU 07/31/08
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
MAX/MIN 97 75 95 71 96 73 94 71 92
TEMP 93 95 81 75 93 93 79 71 91 94 78 73 91 92 78 71 89 90
DEWPT 71 69 71 73 73 73 73 71 73 73 72 72 72 73 72 71 72 73
MIN/MAX RH 51 99 49 99 52 99 56 99 94
RH 48 43 72 93 52 52 81 100 56 51 83 95 54 53 83 100 57 57
WIND DIR SW S SW SW S SW S S SW
WIND SPD 2 4 4 3 4 3 4 4 4
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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