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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Mon Sep 28 2026
VAZ012-290800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Mon Sep 28 2026
Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 48 78 49 81 52
TEMP 54 52 51 49 65 74 75 61 55 53 50 50 70 77 80 67 58 55 54 54
DEWPT 51 49 48 48 56 54 52 55 54 53 50 50 57 55 52 58 54 53 51 51
MIN/MAX RH 96 43 100 38 92
RH 90 89 89 96 73 50 45 81 96100100100 63 47 38 73 86 93 90 90
WIND DIR N N N NW N N N N N N N SW SW SW SW N N SW SW SW
WIND SPD 1 0 0 1 0 1 1 0 0 0 0 1 1 1 1 0 0 1 1 1
CLOUDS SC SC SC SC FW SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUDS(%) 30 40 40 46 11 29 27 11 12 17 23 26 13 17 21 18 23 22 18 19
VSBY 10 9 5 6 10 10 10 10 10 10 10 0 10 10 10 10 10 0 0
POP 12HR 0 0 0 0 0
Obvis PF PF
MIX HGT <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR N NW W NW N NW W SE S S SW W SW SW S S
T WIND SPD 4 2 2 2 3 3 2 1 4 3 1 1 5 5 5 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 2 9 17 12 1 2 2 1 1 17 31 32 2
MAX LVORI 6 7 7 8 3 2 2 4 8 10 10 10 3 1 1 3
STABILITY G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.28 27.28 27.32 27.30 27.33 27.34 27.40 27.35
Date 10/01Fri 10/02/26Sat 10/03/26Sun 10/04/26Mon 10/05/26
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 83 55 84 59 78 58 73 50 68
TEMP 79 68 58 56 79 70 60 59 73 67 59 59 68 64 55 51 64 58
DEWPT 57 60 56 55 62 63 60 59 65 64 59 58 65 63 55 51 56 54
RH 47 76 93 96 56 78100100 76 90100 96 90 97100100 75 86
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 0 0 10 20 40 40 60 40 40
RAIN SHWRS IS IS SC SC SC SC NM NM 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