Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EDT Sat Sep 26 2026
VAZ012-270800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 PM EDT Sat Sep 26 2026
Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue
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 43 68 47 69 47
TEMP 58 52 49 47 47 58 65 66 59 55 52 50 50 60 66 67 60 55 52 50 51
DEWPT 48 47 45 44 44 51 46 46 45 49 49 48 48 53 54 54 54 52 49 48 49
MIN/MAX RH 99 47 98 63 97
RH 69 83 86 89 89 77 50 48 60 80 89 93 93 78 65 63 81 90 89 93 93
WIND DIR N N NW NW NW NW NW NW NW NW NW W W NW NW NW NW NW N N N
WIND SPD 6 5 4 4 5 8 9 9 5 5 4 3 3 3 3 2 2 1 0 0 0
CLOUDS CL FW FW FW FW FW FW FW FW FW FW SC FW SC SC SC FW FW FW FW FW
CLOUDS(%) 1 7 14 15 19 22 23 22 13 9 14 39 8 32 35 30 18 17 7 9 14
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 9 6 5 6 6 20 21 23 10 10 8 12 8 19 17 16 8
DISPERSION PR PR VP VP PR PR VP VP VP VP VP VP
ADI 6 3 3 3 7 52 72 79 5 5 4 6 8 60 71 67 4
MAX LVORI 4 8 9 9 8 3 1 1 3 6 9 9 8 3 1 1 5
STABILITY E F F F B C C C G G G G B B B B G
CEILING None None None None None None None None None
STA PRES 27.23 27.19 27.18 27.15 27.17 27.17 27.22 27.21
Date 09/29Wed 09/30/26Thu 10/01/26Fri 10/02/26Sat 10/03/26
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 77 50 79 54 81 57 79 58 75
TEMP 73 64 52 51 75 66 55 55 76 68 59 58 74 68 60 59 70 66
DEWPT 54 57 52 51 55 58 53 52 61 62 58 58 64 64 59 58 65 64
RH 51 78100100 50 75 93 90 60 81 96100 71 87 96 96 84 93
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL CL FW SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2
POP 12HR 0 0 0 0 5 10 20 20 50
RAIN SHWRS IS IS IS 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