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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Oct 14 2026
VAZ046-150800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Wed Oct 14 2026
Date 10/14/26 Thu 10/15/26 Fri 10/16/26 Sat
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 66 74 61 86 52
TEMP 72 70 68 67 70 71 71 65 63 63 62 63 77 85 84 73 66 61 55 53
DEWPT 67 66 66 66 66 65 64 64 63 62 62 63 67 67 66 65 59 54 50 47
MIN/MAX RH 97 77 100 52 83
RH 84 87 93 97 87 81 79 97100 97100100 71 55 55 76 78 78 83 80
WIND DIR W W NE NE NE NE NE NE NE NE SW SW SW SW SW SW W NW N N
WIND SPD 4 2 4 6 8 6 6 4 2 1 3 6 10 12 12 11 12 11 11 12
WIND GUST 23 25 24 24 23 23
CLOUDS FW SC B1 B1 OV OV B2 OV B2 B2 B1 SC SC FW FW SC SC B1 B1 SC
CLOUDS(%) 14 45 52 62 89 89 87 88 79 76 68 50 27 10 12 30 47 67 68 48
VSBY 10 10 10 9 10 9 10 10 8 3 1 2 8 10 10 10
POP 12HR 5 30 10 10 50
RAIN SHWRS IS IS SC SC IS IS SC SC IS
MIX HGT <1 <1 <1 <1 2 2 1 1 1 <1 <1 <1 2 3 4 <1
T WIND DIR SW W NE NE NE NE NE NE NE W SW SW SW SW SW S
T WIND SPD 3 2 10 19 14 9 8 5 2 1 2 4 12 14 18 10
DISPERSION VP VP VP VP VP VP VP FR FR FR FR
ADI 2 1 7 21 25 16 13 4 1 1 1 5 28 51 69 7
MAX LVORI 5 6 6 5 4 3 4 8 10 10 10 9 3 1 1 4
STABILITY F F E D D D D E F F F B C C C E
CEILING None None 500 800 400 300 None None None
STA PRES 29.31 29.37 29.45 29.42 29.37 29.28 29.20 29.07
Date 10/17Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
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 58 38 57 37 61 44 66 46 67
TEMP 57 49 41 39 56 49 40 39 60 54 47 46 65 58 50 48 66 59
DEWPT 38 35 32 31 34 36 36 36 44 47 45 45 51 51 49 48 52 53
RH 49 58 70 73 43 61 85 89 55 77 93 96 60 77 96100 61 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW CL CL CL FW FW FW FW SC SC SC SC FW FW FW
POP 12HR 20 20 5 5 5 5 5 0 0
RAIN SHWRS 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