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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Sun Aug 30 2026
VAZ018-310800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
831 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 67 89 68 90 71
TEMP 71 69 68 69 82 87 86 78 74 72 69 71 84 90 89 80 76 73 71 72
DEWPT 65 64 64 65 68 66 67 66 65 65 64 65 68 67 67 66 65 65 65 66
MIN/MAX RH 89 50 86 47 83
RH 81 84 87 87 63 50 53 67 74 79 84 81 59 47 48 62 69 76 81 81
WIND DIR W W W NW NW NW NW NW W W NW NW NW NW NW NW W W W W
WIND SPD 1 2 2 2 3 3 3 1 1 1 2 3 3 3 3 2 1 1 2 2
CLOUDS FW FW FW FW FW FW SC FW FW FW CL FW FW FW FW FW FW CL CL FW
CLOUDS(%) 19 11 20 24 19 25 33 17 21 6 3 20 14 19 22 10 8 5 4 7
VSBY 10 9 7 6 10 10 10 10 9 7 10 10 10 10 10 10
POP 12HR 5 5 0 0 0
MIX HGT <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR S W W W NW NW W W W W W W NW NW NW NW
T WIND SPD 2 2 3 3 11 9 6 2 3 3 5 5 20 11 12 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 2 3 55 69 41 1 2 2 3 6108 86 88 3
MAX LVORI 5 5 6 6 1 1 1 3 3 4 5 5 1 1 1 3
STABILITY 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
STA PRES 27.93 27.93 27.95 27.90 27.89 27.88 27.88 27.85
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 71 95 70 90 67 86 63 81
TEMP 92 82 74 73 92 80 72 71 88 77 69 67 84 74 67 64 79 71
DEWPT 67 66 65 66 69 68 68 67 69 66 65 65 67 64 62 62 65 61
RH 44 58 74 79 47 67 87 87 54 69 87 93 57 71 84 93 62 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW SC SC FW SC B1 SC SC SC B1 B1 SC SC B1
POP 12HR 0 5 20 20 30 20 30 30 30
RAIN SHWRS IS IS SC IS SC SC IS SC
TSTMS IS IS SC IS IS IS
$$
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