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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
256 PM EDT Sun Aug 30 2026
NCZ003-310800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
256 PM EDT Sun Aug 30 2026
Date 08/30/26 Mon 08/31/26 Tue 09/01/26 Wed
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 68 89 70 90 72
TEMP 85 79 72 70 68 69 82 87 87 82 75 73 71 71 84 90 89 84 77 75 74 74
DEWPT 69 69 68 67 67 67 69 67 67 68 68 67 67 67 69 67 68 69 68 68 67 67
MIN/MAX RH 95 51 87 47 83
RH 59 72 87 90 97 93 65 52 52 63 79 81 87 87 61 47 50 61 74 79 79 79
WIND DIR S SW SW SW W W NW W S SW W W W NW W SW W SW W W W W
WIND SPD 2 1 2 2 2 3 2 2 1 1 2 2 2 3 2 2 2 2 2 3 3 3
CLOUDS FW SC FW FW CL CL CL SC SC FW FW FW FW FW CL FW FW FW FW CL CL CL
CLOUDS(%) 23 28 14 14 4 1 5 27 41 21 20 6 10 6 5 20 21 17 10 4 3 3
VSBY 10 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 0 0 0
MIX HGT 5 <1 <1 <1 <1 <1 3 7 4 <1 <1 <1 <1 <1 4 6 4 <1
T WIND DIR SW SW W W W W NW NW NW W W NW NW NW NW NW W W
T WIND SPD 3 2 2 2 1 1 6 4 5 2 2 2 2 2 10 6 9 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 21 1 1 1 1 1 27 37 31 1 1 1 1 2 49 53 49 2
MAX LVORI 2 3 6 7 9 7 2 1 1 3 4 5 6 6 1 1 1 3
STABILITY A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 29.07 29.08 29.07 29.09 29.02 29.02 29.02 29.03 28.97
Date 09/02Thu 09/03/26Fri 09/04/26Sat 09/05/26Sun 09/06/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 92 74 95 72 92 69 88 66 83
TEMP 91 85 76 75 93 85 74 73 90 82 72 70 85 78 69 67 80 75
DEWPT 67 69 68 68 68 70 69 69 68 69 68 67 67 68 66 65 66 65
RH 45 59 76 79 44 61 84 87 49 65 87 90 55 71 90 93 62 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW SC FW FW SC SC FW FW B1 SC FW FW B1 B1 SC SC SC
POP 12HR 0 5 10 20 30 20 40 40 30
RAIN SHWRS IS SC IS SC SC SC
TSTMS IS SC IS SC IS SC
$$
This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.
Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)
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 humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
TYPE...
RAIN...........Rain
RAIN SHWRS.....Rain showers
TSTMS..........Thunderstorms
DRIZZLE........Drizzle
SNOW...........Snow
SNOWSHWRS......Snow showers
SLEET..........Sleet
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
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure
Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions