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Dyersburg NFDRS SITE Point Forecast Matrix
TNZ019-031000-
DYERSBURG RAWS NFDRS SITE-DYER TN
35.99N 89.41W ELEV. 208 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 65 85 65 86 66
TEMP 83 78 73 70 68 66 74 82 84 78 73 70 68 66 75 82 85 78 72 69 68 67
DEWPT 66 66 66 66 65 65 65 66 66 66 65 64 63 63 64 64 65 66 66 65 65 64
MAX/MIN RH 98 54 90 51 91
RH 54 67 78 86 91 98 74 58 54 66 75 82 85 90 68 55 51 67 79 88 90 90
WIND DIR S S S S S S S S S S S S S S S S S SE S S S S
WIND SPD 4 3 5 5 5 4 5 6 5 5 5 5 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 B1 B1 B1 B1 B2
CLOUDS(%) 68 70 70 60 60 50 50 60 60 45 45 45 45 60 60 60 60 51 51 54 54 75
POP 12HR 20 20 10 20 20
QPF 12HR 0.01 0.07 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 1198 1686 0 0 1970 2035 29 25
MIXHGT FT AGL 0 0 3929 5533 0 0 6462 6677 96 82
MIXHGT M MSL 66 51 1291 1776 75 73 2060 2125 119 115
MIXHGT FT MSL 216 168 4234 5828 245 240 6757 6972 391 377
TRANSWIND DIR SE SE S S S S S S S S
TWIND SPD M/S 2 3 5 5 3 2 6 7 5 4
TWIND SPD MPH 5 6 12 12 6 5 14 17 12 9
VENT INDEX 477 10656 267 14875 1505
CATEGORY DAY 1 4 1 4 1
500M MIXHGT T 80 80 77 81 80 79 80 83 83 82
500M TWND DIR SE S SW S S SW S S S SW
500M TWND M/S 5 7 4 6 8 9 6 8 11 11
500M TWND MPH 11 17 10 13 19 20 13 19 25 26
DISPERSION 5 5 37 45 5 5 50 56 8 8
LAL 1 1 2 2 1 2 2 2 2 4
LASI 3 3 3 3 4 3 3 4 3 3
STABILITY E E C D F F C C E E
STAG INDEX 0 0 0 0 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 88 59 73 48 68 45 74 50 76
TEMP 84 79 67 60 72 67 58 49 67 61 52 46 67 66 55 51 73 69
DEWPT 64 64 57 49 48 46 45 43 45 45 44 43 47 52 50 49 50 52
MIN/MAX RH 47 72 40 83 45 92 41 91 43
RH 51 62 70 68 42 47 62 80 45 57 76 89 49 59 83 91 45 56
WIND DIR S W NW N N NE 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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