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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Oct 14 2026
VAZ024-150800-
RAWS 441631
37.63N 79.51W Elev. 865 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 75 61 86 49
TEMP 70 68 68 66 70 73 73 67 64 63 63 63 77 86 83 69 61 57 51 49
DEWPT 67 67 66 66 68 67 66 66 64 63 63 63 68 65 64 62 55 50 45 43
MIN/MAX RH 100 79 100 48 81
RH 90 97 93100 93 81 79 97100100100100 74 50 53 78 81 77 80 80
WIND DIR W N N N E E E E SE SE S SW SW SW SW W NW NW NW N
WIND SPD 1 0 0 0 2 3 3 1 1 1 1 2 4 8 6 9 10 9 8 8
WIND GUST 21 20 26 32 29 28 26
CLOUDS SC SC B1 B2 B2 OV B2 B2 B1 B1 B1 SC FW FW FW SC B1 B1 B1 SC
CLOUDS(%) 30 49 68 77 85 88 74 75 61 63 53 40 18 16 13 44 54 62 63 49
VSBY 10 10 9 4 6 5 5 5 4 3 3 4 8 10 10 10
POP 12HR 30 70 10 10 40
RAIN SHWRS IS SC NM SC SC SC SC
Obvis PF
MIX HGT <1 <1 <1 <1 1 1 1 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR W W N E E E E SE SE S SW SW SW W SW S
T WIND SPD 2 2 1 8 10 5 5 4 2 1 2 2 8 19 17 10
DISPERSION VP VP VP VP VP VP VP PR FR PR PR
ADI 1 1 1 6 16 10 9 2 1 1 1 2 22104 86 9
MAX LVORI 6 7 9 8 5 4 4 8 10 10 10 9 3 1 1 4
STABILITY G F F C C C C F F F F B B B B D
CEILING None 3100 700 400 300 None None None None
STA PRES 28.54 28.57 28.64 28.60 28.56 28.47 28.40 28.28
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 59 35 60 35 63 41 68 43 70
TEMP 58 49 40 36 58 49 40 37 62 54 45 43 67 58 48 45 68 60
DEWPT 37 34 32 30 34 36 34 33 41 44 43 41 48 49 47 45 51 51
RH 45 56 73 79 40 61 79 85 46 69 93 93 50 72 96100 54 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW CL CL CL CL FW FW FW FW SC SC SC SC FW FW FW
POP 12HR 10 5 5 5 5 5 0 0 0
$$
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