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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Sep 29 2026
VAZ012-300800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 PM EDT Tue Sep 29 2026
Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri
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 50 80 54 82 56
TEMP 75 61 56 53 51 51 69 77 78 64 59 56 54 54 72 79 82 69 60 58 57 57
DEWPT 54 57 54 52 50 51 58 55 54 58 55 53 51 51 57 56 55 59 56 55 54 54
MIN/MAX RH 100 40 91 39 92
RH 48 87 93 96 96100 68 47 43 81 87 90 90 90 59 45 40 70 87 90 90 90
WIND DIR W N N N N SW SW SW SW N S SW W W SW W W SW S SW SW W
WIND SPD 1 0 0 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 2 2
CLOUDS SC FW CL FW FW FW FW FW SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%) 43 16 4 13 19 22 17 21 40 52 51 28 38 31 21 17 12 14 21 18 23 23
VSBY 10 10 10 10 6 6 10 10 10 10 10 10 9 8 8 8 8 8 8 8 8
POP 12HR 0 0 0 0 0
Obvis PF PF
MIX HGT 5 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR W E SE S SW W SW SW SW S S SW SW W W W SW SW
T WIND SPD 3 1 3 3 2 2 9 6 4 3 3 3 3 3 11 8 6 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 21 1 2 2 1 2 26 37 22 2 2 2 2 3 35 50 41 2
MAX LVORI 2 6 7 8 10 9 3 1 2 4 6 7 7 6 1 1 1 3
STABILITY A G G G G A A A A F F G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.28 27.32 27.32 27.38 27.33 27.35 27.35 27.39 27.34
Date 10/02Sat 10/03/26Sun 10/04/26Mon 10/05/26Tue 10/06/26
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 83 60 76 55 69 51 68 41 66
TEMP 82 71 62 61 70 65 57 56 63 62 56 52 62 57 46 41 61 54
DEWPT 62 63 61 60 66 64 57 55 63 61 55 52 54 52 45 41 46 47
RH 51 76 97 97 87 97100 96100 97 96100 75 83 96100 58 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 OV B2 B1 B1 SC FW FW SC SC
POP 12HR 10 30 80 70 70 30 20 5 0
RAIN SHWRS IS SC NM O NM NM NM SC SC IS IS
TSTMS 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