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Dyersburg NFDRS SITE Point Forecast Matrix
TNZ019-032200-
DYERSBURG RAWS NFDRS SITE-DYER TN
35.99N 89.41W ELEV. 208 FT
433 AM CST SUN MAR 3 2013
DATE SUN 03/03/13 MON 03/04/13 TUE 03/05/13
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 44 29 61 50 53
TEMP 24 31 39 44 40 33 30 30 29 38 50 61 56 50 50 50 50 53 53 53 50
DEWPT 15 18 18 18 19 21 22 23 24 28 33 37 39 41 42 42 41 39 37 33 29
MIN/MAX RH 34 86 39 93 42
RH 68 59 42 34 42 61 71 74 81 68 51 41 52 80 91 80 72 59 50 46 43
WIND DIR N NW W SW SE SE SE E SE S S S S SE S SW W W W W W
WIND SPD 2 3 4 4 2 2 3 5 6 11 13 12 6 5 5 8 8 11 14 13 12
CLOUDS CL SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 OV OV OV OV B2 B2 B2 B2 B2
CLOUDS(%) 2 34 41 57 70 70 70 70 52 52 66 66 90 90 90 90 85 85 76 76 85
POP 12HR 0 10 20 70 30
QPF 12HR 0 0 0.01 0.43 0.04
RAIN C C C C
RAIN SHWRS IS IS IS IS NM NM NM NM
SNOW C
TSTMS SC SC SC SC
MIXHGT M AGL 1092 1149 435 0 782 1598 543 577 1764 2053
MIXHGT FT AGL 3581 3770 1426 0 2566 5244 1780 1893 5787 6736
MIXHGT M MSL 1181 1239 515 49 872 1688 632 667 1854 2143
MIXHGT FT MSL 3876 4065 1688 160 2861 5539 2075 2188 6082 7032
TRANSWIND DIR NW W S SE S S S W NW NW
TWIND SPD M/S 3 3 3 5 10 14 8 8 10 13
TWIND SPD MPH 6 8 6 11 24 33 18 19 24 29
VENT INDEX 3717 3072 20256 8127 25716
CATEGORY DAY 2 2 5 3 5
500M MIXHGT T 33 42 46 51 55 61 61 58 48 48
500M TWND DIR NW W S S S S SW W NW NW
500M TWND M/S 2 3 6 10 14 14 13 13 9 12
500M TWND MPH 5 8 14 24 32 32 31 29 21 27
DISPERSION 28 27 10 12 67 96 46 46 74 106
LAL 1 1 1 1 1 3 3 3 1 1
LASI 4 3 2 3 4 4 3 3 3 4
STABILITY B C F E D D D D D D
STAG INDEX 3 0 0 0 0
DATE WED 03/06/13 THU 03/07/13 FRI 03/08/13 SAT 03/09/13
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 30 45 27 52 33 61 43 62
TEMP 42 30 42 42 34 27 46 47 38 33 54 56 46 43 58 57
DEWPT 25 21 24 26 25 24 27 29 28 26 30 33 34 35 38 40
MAX/MIN RH 70 44 92 38 79 32 76 41
RH 51 69 47 54 69 90 47 49 67 77 39 42 63 75 46 53
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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