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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Tue Sep 29 2026
VAZ018-300800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 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 56 83 59 87 61
TEMP 75 64 60 59 56 56 72 81 81 67 63 62 60 60 78 86 84 69 65 65 62 62
DEWPT 59 58 56 55 54 55 61 58 54 55 55 54 53 53 58 57 55 56 56 56 56 55
MIN/MAX RH 95 38 79 35 81
RH 58 81 87 87 93 96 68 46 39 65 75 75 78 78 50 37 37 63 73 73 81 78
WIND DIR SW N N N N N S SW S NW W W W W W W W W W W W W
WIND SPD 1 0 0 0 0 0 2 3 2 1 2 3 3 3 2 3 3 1 3 3 3 3
WIND GUST 13
CLOUDS SC FW FW FW FW SC FW FW SC B1 B2 SC FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 38 25 14 20 14 27 14 18 38 55 74 29 24 18 15 16 13 14 17 16 15 23
VSBY 10 10 10 5 1 1 9 10 9 10 9 9 9 6 6 6 6 6 6 6 6
POP 12HR 0 0 0 0 0
Obvis PF PF PF
MIX HGT 4 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 3 5 7 <1
T WIND DIR W NE SE SE E S SW SW SW S S SW W W W W SW SW
T WIND SPD 2 2 2 3 1 1 10 8 5 3 3 3 3 4 18 10 8 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 11 1 1 2 1 1 30 45 32 2 2 2 2 5 71 64 58 2
MAX LVORI 2 4 6 7 8 8 3 1 1 3 3 3 4 4 1 1 1 3
STABILITY A G G G G A B B B F F G G B B B B G
CEILING None None None None None None None None None
STA PRES 27.86 27.86 27.91 27.86 27.88 27.87 27.91 27.86
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 87 65 76 58 69 54 70 45 66
TEMP 86 74 67 65 72 65 61 58 66 62 59 55 68 58 50 45 65 54
DEWPT 63 63 63 63 66 61 58 57 63 59 56 52 54 48 45 41 45 43
RH 46 69 87 93 81 87 90 96 90 90 90 90 61 69 83 86 48 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 B2 B2 B2 OV B2 B2 B2 B1 B1 SC FW FW FW FW
POP 12HR 10 40 80 70 60 30 10 5 0
RAIN SHWRS SC SC NM O NM NM NM SC SC IS
TSTMS IS IS 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