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Greenfield NFDRS SITE Point Forecast Matrix
TNZ003-031000-
GREENFIELD NFDRS SITE-WEAKLEY TN
36.16N 88.80W ELEV. 499 FT
310 PM CDT WED OCT 2 2013
DATE 10/02/13 THU 10/03/13 FRI 10/04/13 SAT
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 64 85 65 86 66
TEMP 84 78 73 69 67 65 73 81 84 78 73 70 68 66 75 82 85 78 72 69 68 67
DEWPT 65 66 65 65 65 65 65 66 66 66 65 65 64 63 63 64 65 66 65 65 64 64
MAX/MIN RH 100 54 91 50 90
RH 53 66 77 87 92100 76 60 54 67 76 82 85 90 68 54 51 66 78 87 89 90
WIND DIR S S S S S S S S S S S S S S S S S S S S S S
WIND SPD 4 4 5 5 5 4 5 6 5 5 4 4 4 4 5 5 4 4 5 5 5 5
CLOUDS B1 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2
CLOUDS(%) 65 70 70 60 60 50 50 60 60 45 45 45 45 60 60 60 60 50 50 53 53 74
POP 12HR 20 20 10 20 20
QPF 12HR 0.01 0.05 0 0.02 0.01
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS IS IS NM
TSTMS SC IS IS IS IS IS IS IS IS NM
OBVIS PF PF PF PF PF PF PF PF
MIXHGT M AGL 0 0 1593 1752 0 0 1817 1908 5 4
MIXHGT FT AGL 0 0 5225 5749 0 0 5962 6261 17 13
MIXHGT M MSL 74 50 1711 1874 66 66 1931 2022 119 118
MIXHGT FT MSL 243 163 5612 6147 217 215 6336 6635 391 386
TRANSWIND DIR SE SE S S S S S S S S
TWIND SPD M/S 2 2 5 5 3 2 5 7 5 5
TWIND SPD MPH 5 5 12 12 6 5 12 17 12 11
VENT INDEX 280 9370 231 12132 1224
CATEGORY DAY 1 4 1 4 1
500M MIXHGT T 79 80 79 82 80 79 80 82 81 82
500M TWND DIR S S SW S S SW S S S SW
500M TWND M/S 4 7 5 5 7 8 6 8 11 11
500M TWND MPH 9 16 11 12 16 18 13 18 26 25
DISPERSION 4 5 37 42 5 5 37 53 9 9
LAL 1 1 2 2 1 2 2 2 2 4
LASI 3 3 3 4 4 3 3 3 3 3
STABILITY E E C D F F C D F E
STAG INDEX 0 0 0 1 0
DATE 10/05 SUN 10/06/13 MON 10/07/13 TUE 10/08/13 WED 10/09/13
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 86 59 71 46 69 44 73 48 76
TEMP 84 77 65 60 71 65 56 47 67 61 51 45 66 65 54 49 72 68
DEWPT 64 65 58 50 48 46 45 42 45 45 43 42 47 52 50 48 50 53
MIN/MAX RH 51 77 44 86 43 91 42 96 43
RH 53 68 76 71 44 51 64 83 46 55 74 87 51 63 87 96 46 57
WIND DIR S SW NW NW NW N NW E SE
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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