Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EDT Sun Oct 11 2026
VAZ018-112000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
531 AM EDT Sun Oct 11 2026
Date Sun 10/11/26 Mon 10/12/26 Tue 10/13/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 64 61 73 55 82
TEMP 61 60 62 63 61 62 62 62 62 66 72 71 61 58 58 57 56 73 81 80 67
DEWPT 60 60 62 63 60 60 60 60 59 62 63 61 58 56 55 54 54 63 62 62 60
MAX/MIN RH 95 100 68 97 51
RH 97100100100 97 93 93 93 90 87 73 71 90 93 90 90 93 71 53 54 78
WIND DIR E E E S W W NW NW NW NW NW NW NW W W W W W W W W
WIND SPD 9 6 6 3 5 6 10 13 14 12 9 9 4 3 3 3 3 3 5 4 4
WIND GUST 19 25 33 37 40 35 28 24 17 13 14
CLOUDS OV OV OV B2 B1 B2 B2 SC SC SC SC SC CL FW FW FW FW CL CL CL CL
CLOUDS(%) 100100100 85 61 77 71 38 34 43 29 26 5 6 10 10 11 1 3 1 0
VSBY 2 2 4 3 4 5 8 8 9 7 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 100 30 0 0 0
RAIN D L
RAIN SHWRS SC IS IS IS
Obvis PF PF
MIX HGT <1 <1 <1 1 <1 <1 <1 <1 1 2 3 2 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR SE E SE SE W W NW NW NW NW NW NW NW W W W W W W W SW
T WIND SPD 8 6 6 8 17 14 20 20 25 28 21 14 9 4 5 5 4 6 14 14 4
DISPERSION PR PR FR FR VP VP VP VP VP
ADI 9 8 8 12 12 10 19 19 38 79 65 42 4 2 3 3 5 19 81 72 2
MAX LVORI 6 8 8 7 7 5 5 5 4 4 3 3 6 6 6 6 7 3 1 1 4
STABILITY D D D C E E D D D C C C F G G G B B B B F
CEILING 700 600 1100 None None None None None None None
STA PRES 27.72 27.60 27.59 27.64 27.74 27.77 27.80 27.81 27.81 27.78
Date Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 63 83 62 75 57 74 49 60
TEMP 66 63 82 71 66 62 73 66 61 57 71 63 56 50 57 47
DEWPT 59 59 67 63 61 60 64 59 56 54 59 54 49 44 43 38
RH 78 87 61 76 84 93 73 78 84 90 66 72 77 80 59 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW SC B1 B1 B1 B2 B1 SC SC B1 B1 B1
POP 12HR 0 0 5 30 30 20 20 10
RAIN SHWRS IS SC SC IS 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