Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Tue Oct 13 2026
VAZ012-140800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
501 PM EDT Tue Oct 13 2026
Date 10/13/26 Wed 10/14/26 Thu 10/15/26 Fri
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 55 83 59 78 59
TEMP 64 60 59 57 55 71 79 80 66 63 61 60 60 71 76 76 67 63 62 61 61
DEWPT 58 56 55 55 55 62 63 63 63 60 60 58 59 67 67 67 65 63 61 59 59
MIN/MAX RH 99 53 100 70 99
RH 81 87 87 93100 73 58 56 90 90 97 93 96 87 74 74 93100 97 93 93
WIND DIR W W W W W W W W W W W W W SW SW SW SW SW SW W W
WIND SPD 2 3 3 3 3 2 2 2 2 2 2 1 1 1 2 2 1 2 2 5 6
WIND GUST 17
CLOUDS CL CL CL CL CL CL CL CL FW SC SC SC SC B1 B1 B1 SC SC FW FW FW
CLOUDS(%) 1 2 2 1 1 3 4 3 24 44 50 43 50 61 59 59 37 36 18 18 19
VSBY 10 10 10 10 9 7 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 0 0 5 40 10
RAIN SHWRS SC SC
MIX HGT <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W W W W W W W W W W W W W W W W SW
T WIND SPD 6 6 6 5 5 12 9 9 4 5 5 6 5 8 11 9 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP PR
ADI 3 3 3 3 6 26 34 27 2 3 3 3 6 14 38 26 2
MAX LVORI 6 6 6 6 6 3 1 2 6 8 6 6 9 4 3 3 7
STABILITY G G G G B B B B G F F F A C C C G
CEILING None None None None None None None None None
STA PRES 27.34 27.35 27.38 27.35 27.37 27.37 27.39 27.35
Date 10/16Sat 10/17/26Sun 10/18/26Mon 10/19/26Tue 10/20/26
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 75 36 54 29 59 33 63 39 67
TEMP 71 52 44 38 50 42 33 31 56 47 37 35 61 52 45 42 65 56
DEWPT 60 46 37 33 32 32 29 27 36 38 33 30 42 46 42 40 49 50
RH 68 80 76 82 50 67 85 85 47 71 85 82 49 80 89 93 56 80
WIND SPD <15 15> <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B2 B1 B1 SC FW CL CL CL CL CL FW SC FW SC SC SC SC
POP 12HR 60 20 0 0 0 0 0 5 5
RAIN SHWRS NM 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