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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Oct 29 2026
VAZ046-292000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 AM 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 73 48 79 44 65
TEMP 63 71 72 59 54 52 50 49 69 78 77 62 55 49 46 44 57 63 63 54
DEWPT 54 54 53 52 51 50 47 45 50 51 49 47 43 41 40 40 41 40 40 45
MAX/MIN RH 49 92 36 85 41
RH 72 55 51 78 90 93 89 86 51 39 37 58 64 74 79 86 55 43 43 71
WIND DIR SW SW SW S SW SW W W W NW N N NE NE NE NE NE NE E E
WIND SPD 3 5 4 2 3 4 4 4 3 3 2 3 3 4 4 5 6 4 3 2
CLOUDS B2 FW FW CL CL FW FW FW FW FW SC SC SC SC SC B1 B2 B1 B2 B2
CLOUDS(%) 70 16 7 1 3 11 23 18 15 8 41 39 27 30 37 59 70 68 71 78
VSBY 10 10 10 10 10 10 9 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 3 2 <1 <1 <1 <1 <1 1 5 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR W W W S SW SW W W W NW N N N NE NE NE NE E E E
T WIND SPD 4 6 5 3 3 3 3 3 4 11 10 4 4 5 8 6 10 4 3 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 10 25 18 2 2 2 2 4 6 65 22 2 2 3 4 7 28 17 10 3
MAX LVORI 3 2 2 4 7 7 7 6 2 1 2 3 3 3 4 4 2 2 2 3
STABILITY C B B G G F F B B B B G G F F B C B B F
CEILING 1300 None None None None None None None 17100 18400
STA PRES 29.58 29.49 29.47 29.46 29.48 29.48 29.60 29.67 29.75 29.71
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 46 68 48 71 52 70
TEMP 47 43 66 57 49 47 66 59 51 50 69 62 55 54 68 63
DEWPT 43 42 44 47 47 47 52 53 51 50 56 56 55 54 60 59
RH 86 96 45 69 93100 61 80100100 63 81100100 76 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 10 10 5 10 20 30
RAIN SHWRS IS IS SC 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