Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Oct 8 2026
VAZ046-082000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 AM EDT Thu Oct 8 2026
Date Thu 10/08/26 Fri 10/09/26 Sat 10/10/26
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 80 51 76 53 71
TEMP 74 80 79 65 59 55 53 53 69 76 75 62 58 56 55 55 67 71 70 63
DEWPT 57 55 49 49 46 46 46 47 52 50 49 52 51 50 50 50 54 54 54 56
MAX/MIN RH 34 80 40 86 54
RH 55 42 35 56 62 72 77 80 55 40 40 70 77 80 83 83 63 55 57 78
WIND DIR W NW NW NW NW N NW NW W W S SE SE N NE NE E E E E
WIND SPD 6 8 6 5 3 2 2 2 2 3 3 2 1 1 2 4 5 6 5 5
CLOUDS CL CL CL CL SC B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 B2 B2 OV OV
CLOUDS(%) 1 3 3 2 39 56 59 53 34 30 51 44 56 56 63 64 72 79 92 88
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
RAIN S
MIX HGT 2 6 5 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W NW NW NW NW NW W W NW NW NW E NE N N N SE E E E
T WIND SPD 13 17 14 10 5 2 2 2 12 8 4 3 3 3 3 3 9 6 8 3
DISPERSION PR VP VP VP VP VP VP VP PR
ADI 39109 86 5 2 1 1 2 40 43 15 2 2 2 2 3 25 29 27 2
MAX LVORI 1 1 1 3 3 3 4 5 1 1 2 3 4 5 5 5 2 2 2 4
STABILITY B B B F G F F B B B B F F F F C B B C E
CEILING None None None None None None None 12100 17400 12300
STA PRES 29.28 29.33 29.39 29.46 29.52 29.53 29.63 29.71 29.76 29.72
Date Sun 10/11/26Mon 10/12/26Tue 10/13/26Wed 10/14/26
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 58 66 61 76 58 78 53 68
TEMP 59 60 65 66 65 62 75 68 62 59 76 68 58 53 66 59
DEWPT 58 60 65 66 65 62 66 65 62 59 64 59 54 50 50 48
RH 96100100100100100 74 90100100 66 73 86 89 56 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW
POP 12HR 70 100 60 10 0 5 10 5
RAIN S L D D
RAIN SHWRS NM SC
TSTMS 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