Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Sep 9 2026
VAZ012-100800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Wed Sep 9 2026
Date 09/09/26 Thu 09/10/26 Fri 09/11/26 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
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 59 85 60 82 61
TEMP 64 62 62 63 74 80 80 70 67 65 63 63 74 81 77 69 65 63 62 63
DEWPT 62 59 57 58 64 65 65 64 63 62 61 63 69 69 69 68 65 63 62 63
MIN/MAX RH 97 55 100 65 100
RH 93 90 84 84 71 60 60 81 87 90 93100 84 67 76 97100100100100
WIND DIR SW W W W W W W W W W W W W W W N SE SE SE SE
WIND SPD 3 4 5 5 8 6 4 3 3 3 1 1 1 1 1 0 1 1 1 1
CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC B2 B2 B2 B1 B1 B1 B2 B1
CLOUDS(%) 21 13 19 14 27 28 41 48 40 34 26 36 70 80 80 54 65 65 70 67
VSBY 10 10 10 10 10 10 10 10 7 10 1 1 10 3 3 7 7 10 10
POP 12HR 0 5 20 70 20
RAIN SHWRS IS NM NM IS IS SC
TSTMS IS SC SC IS
Obvis PF PF
MIX HGT <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 3 3 3 <1
T WIND DIR SW SW W W W W W W W W SW SW SW W W W
T WIND SPD 5 5 9 11 19 17 14 5 3 3 3 3 4 10 8 2
DISPERSION VP VP PR VP VP VP VP VP VP VP VP
ADI 3 3 4 12 64 86 67 3 2 2 2 3 14 34 23 1
MAX LVORI 6 6 5 4 3 1 1 5 6 7 7 8 4 3 3 7
STABILITY G G G B B B B F G G G A C C C F
CEILING None None None None None None 400 2500 2500
STA PRES 27.40 27.38 27.36 27.30 27.29 27.29 27.32 27.28
Date 09/12Sun 09/13/26Mon 09/14/26Tue 09/15/26Wed 09/16/26
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 83 61 85 59 86 60 87 61 88
TEMP 80 70 63 64 79 72 63 61 81 73 63 62 82 73 65 63 83 74
DEWPT 70 68 63 64 69 66 62 61 67 65 62 61 68 67 64 63 68 68
RH 72 93100100 72 81 97100 63 76 97 97 63 81 97100 61 82
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV B1 B1 B1 B1 SC FW FW SC FW FW FW B1 FW FW FW B1
POP 12HR 90 30 40 0 20 5 30 10 50
RAIN SHWRS SC O SC SC IS SC SC
TSTMS IS SC SC 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