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Poinsett Fire Weather Point Forecast Matrix
ARZ027-111000-
POINSETT NFDRS SITE-POINSETT AR
35.53N 90.69W ELEV. 335 FT
224 PM CDT FRI OCT 10 2008
DATE 10/10/08 SAT 10/11/08 SUN 10/12/08 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 59 85 62 82 64
TEMP 78 71 65 62 62 60 70 79 84 77 71 68 65 63 71 78 81 76 71 68 66 65
DEWPT 55 58 58 58 58 59 62 62 62 62 61 61 60 60 63 64 63 64 64 64 63 63
MAX/MIN RH 98 47 93 54 99
RH 45 63 79 88 89 95 76 55 47 61 71 79 83 91 76 63 54 67 78 85 90 96
WIND DIR E E E E E E SE SE SE E E E E E SE SE SE E SE SE SE SE
WIND SPD 4 2 2 2 1 2 5 6 8 3 2 2 1 3 5 9 9 5 4 4 4 4
HEAT INDEX 85 83
CLOUDS SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1
CLOUDS(%) 39 25 25 25 25 25 25 30 30 30 30 35 35 50 50 50 50 50 50 55 55 55
POP 12HR 0 0 0 0 10
QPF 12HR 0 0 0 0 0
MIXHGT M AGL 710 0 2049 2204 0 0 1354 1824 0 2
MIXHGT FT AGL 2328 0 6720 7230 0 0 4442 5984 0 5
MIXHGT M MSL 797 55 2135 2292 52 72 1440 1911 80 87
MIXHGT FT MSL 2613 179 7004 7519 171 235 4725 6269 262 283
TRANSWIND DIR E E SE SE E E SE SE SE E
TWIND SPD MS 2 2 4 5 3 3 7 6 3 3
TWIND SPD MPH 4 4 10 12 6 8 16 14 6 6
VENT INDEX 2354 11460 243 13377 366
CATEGORY DAY 2 4 1 4 1
500M MIXHGT T 80 80 80 84 83 80 76 81 80 78
500M TWND DIR E SE SE SE SE SE SE SE SE SE
500M TWND M/S 5 6 4 5 9 12 8 7 10 9
500M TWND MPH 12 13 9 12 21 27 18 16 24 21
DISPERSION 4 5 40 32 5 7 53 36 5 7
LASI 3 4 3 4 4 4 3 4 3 3
STABILITY F E B C F E B C F E
STAG INDEX 3 3 0 0 0
DATE 10/13 TUE 10/14/08 WED 10/15/08 THU 10/16/08 FRI 10/17/08
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 79 62 79 60 76 59 77 58 73
TEMP 77 73 65 63 76 72 65 61 73 70 63 60 73 70 62 59 71 69
DEWPT 64 65 64 63 64 64 63 61 61 61 59 57 57 57 54 52 52 52
MIN/MAX RH 62 100 61 100 61 91 51 78 48
RH 65 77 96 100 67 77 94 100 67 74 88 90 57 62 75 78 51 55
WIND DIR SE SE SW N NE NE S SW NW
WIND SPD 6 5 5 6 4 3 3 5 9
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC FW
POP 12HR 10 30 40 30 30 30 20 20 5
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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