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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Oct 26 2026
VAZ024-270800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 PM EDT Mon Oct 26 2026
Date 10/26/26 Tue 10/27/26 Wed 10/28/26 Thu
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 40 74 45 69 48
TEMP 71 57 50 46 43 42 60 72 72 58 52 49 46 46 57 67 68 60 53 51 50 49
DEWPT 43 45 44 43 43 42 46 48 49 50 49 48 46 46 53 51 51 53 53 51 50 49
MIN/MAX RH 100 42 100 51 100
RH 36 64 80 89100100 60 42 44 75 89 96100100 86 56 54 78100100100100
WIND DIR N N N N N N N E E E N N N N N SE SE N N N N N
WIND SPD 0 0 0 1 1 1 0 2 2 1 0 0 0 0 0 2 2 0 0 0 0 0
CLOUDS CL CL FW FW FW FW CL FW SC FW SC SC B1 B1 SC B1 B1 B1 B1 B2 B2 B1
CLOUDS(%) 2 3 10 16 17 9 3 7 31 23 42 46 57 59 47 57 58 63 64 73 73 60
VSBY 10 10 10 10 0 0 10 10 10 10 9 6 4 2
POP 12HR 0 0 0 0 0
Obvis PF+PF+ PF PF PF
MIX HGT 3 <1 <1 <1 <1 <1 1 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W SW NW N N N NE E E E E E E SE SE S S SE
T WIND SPD 3 2 2 3 3 3 2 3 3 4 4 4 6 5 5 3 4 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 11 1 1 2 2 3 4 15 14 2 2 2 3 4 16 12 15 4
MAX LVORI 2 3 4 7 10 9 3 2 2 3 6 8 9 9 4 2 2 4
STABILITY A G G G G A A B B G F F F C A C C F
CEILING None None None None None None None 2800 2800
STA PRES 28.74 28.75 28.80 28.78 28.83 28.85 28.89 28.85
Date 10/29Fri 10/30/26Sat 10/31/26Sun 11/01/26Mon 11/02/26
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 75 46 78 50 73 51 70 53 72
TEMP 72 63 51 47 76 66 54 50 72 63 54 51 68 63 55 54 69 64
DEWPT 53 55 51 47 52 53 52 50 54 53 52 51 57 57 55 54 60 59
RH 51 75100100 43 63 93100 53 70 93100 68 81100100 73 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL FW FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 0 10 30 40 20
RAIN SHWRS SC SC SC SC 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