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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
243 AM EDT Fri Oct 30 2026
VAZ024-310800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
243 AM EDT Fri Oct 30 2026
Date 10/29/26 Fri 10/30/26 Sat 10/31/26 Sun
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 46 79 40 66 43
TEMP 47 46 65 78 77 60 52 47 43 40 53 65 65 55 50 47 45 43
DEWPT 45 43 52 52 44 42 41 40 39 38 44 44 43 44 43 41 40 39
MIN/MAX RH 98 31 94 43 86
RH 93 89 63 40 31 51 66 76 86 92 71 46 45 66 77 79 82 86
WIND DIR W W NW NW N N N N N N N SE SE N N N N N
WIND SPD 1 1 2 4 4 2 1 1 0 0 0 1 2 0 0 0 0 0
CLOUDS CL CL CL CL CL FW FW SC SC B1 SC B2 B1 OV B2 B2 B2 B2
CLOUDS(%) 2 2 1 2 1 13 13 28 37 62 42 73 67 92 82 83 87 83
VSBY 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
Obvis PF
MIX HGT <1 <1 2 4 2 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1
T WIND DIR NW NW NW NW NW N N N N N NE E E SE SE N E NE
T WIND SPD 3 3 16 17 16 5 4 3 3 3 5 2 3 3 2 0 1 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 3 36 88 31 3 2 2 2 3 14 8 9 2 1 0 1 1
MAX LVORI 7 6 1 1 1 2 3 4 6 6 3 2 2 3 4 4 6 5
STABILITY G A B B B G G G G A A A B F F F F B
CEILING None None None None None None 17500 17000 13400
STA PRES 28.64 28.67 28.70 28.80 28.85 28.92 28.89 28.92 28.91
Date 11/01Mon 11/02/26Tue 11/03/26Wed 11/04/26Thu 11/05/26
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 66 44 66 44 71 50 69 54 71
TEMP 64 57 48 44 64 58 48 45 69 62 54 52 66 63 57 54 70 63
DEWPT 43 43 41 40 48 49 47 45 54 55 54 52 61 60 57 54 58 55
RH 46 59 77 86 56 72 96100 59 78100100 84 90100100 66 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 B1 SC SC SC SC SC SC B2 B2 B2 B1 B2 B1 B1
POP 12HR 0 0 0 0 0 20 40 50 50
RAIN SHWRS IS SC SC SC SC 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