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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Thu Oct 29 2026
VAZ046-292000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 PM EDT Thu Oct 29 2026
Date Thu 10/29/26 Fri 10/30/26 Sat 10/31/26
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 72 54 77 43 64
TEMP 71 72 61 58 56 54 55 70 77 76 62 54 49 45 44 57 63 63 53
DEWPT 54 53 53 51 50 47 45 49 51 48 51 45 42 40 40 44 42 40 44
MAX/MIN RH 51 81 37 88 42
RH 55 51 75 77 80 77 69 47 40 37 67 71 77 82 86 62 46 43 71
WIND DIR SW SW SW SW W W W W NW N N NE NE NE NE NE NE NE E
WIND SPD 6 4 2 3 4 4 4 4 4 3 3 4 4 5 5 8 5 4 1
CLOUDS CL CL CL CL CL FW FW CL CL FW FW SC FW SC SC B1 B2 B1 B2
CLOUDS(%) 4 2 2 2 1 12 12 2 3 12 19 26 19 44 44 56 74 67 82
VSBY 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 0
MIX HGT 3 3 <1 <1 <1 <1 <1 1 5 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR SW SW SW SW W W W NW NW N NE NE NE NE NE NE NE E E
T WIND SPD 8 6 5 8 9 6 6 5 9 9 9 9 9 9 9 10 5 5 4
DISPERSION VP VP VP VP VP VP VP PR VP
ADI 30 23 3 4 4 3 7 9 54 27 4 4 4 6 10 21 12 12 2
MAX LVORI 2 2 3 4 4 4 3 2 1 2 3 3 4 4 5 2 2 2 3
STABILITY B B G G F F B B B B G F F E B D D D F
CEILING None None None None None None None 0 0
STA PRES 29.45 29.46 29.45 29.47 29.48 29.61 29.68 29.75 29.72
Date Sun 11/01/26Mon 11/02/26Tue 11/03/26Wed 11/04/26
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 42 67 43 68 46 73 53 73
TEMP 46 43 65 56 46 44 66 58 49 47 71 62 55 53 71 65
DEWPT 42 41 43 45 45 44 49 51 49 47 54 55 55 53 62 62
RH 86 93 45 66 96100 54 77100100 55 78100100 73 90
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 SC SC B1 B1 B1 SC SC SC FW SC SC B1 B1
POP 12HR 0 0 5 5 5 5 5 20
RAIN SHWRS 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