Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sat Sep 5 2026
VAZ012-060800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
731 PM EDT Sat Sep 5 2026
Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 61 81 56 79 52
TEMP 73 67 65 63 63 71 76 74 67 62 61 58 57 67 74 77 69 60 57 53 55
DEWPT 67 66 65 63 63 68 67 67 64 62 59 57 57 61 61 61 59 57 55 53 54
MIN/MAX RH 100 68 100 58 100
RH 81 97100100100 90 74 79 90100 93 96100 81 64 58 70 90 93100 96
WIND DIR NW NW NW N N NE E E E E E E E SE SE SE SE SE SE SE SE
WIND SPD 1 1 1 0 1 1 1 2 2 3 3 3 2 3 3 2 2 2 2 1 1
CLOUDS B1 SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC FW FW FW FW
CLOUDS(%) 52 48 62 57 55 56 78 73 82 80 65 64 65 58 55 42 27 14 11 13 23
VSBY 10 10 5 1 1 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10
POP 12HR 30 80 20 0 0
RAIN SHWRS SC IS SC SC NM NM IS
TSTMS IS IS SC SC
Obvis PF PF
MIX HGT <1 <1 <1 <1 <1 2 4 2 1 <1 <1 <1 <1 3 4 5 <1
T WIND DIR NW NW NW SW N E SE E E E E E E E SE SE SE
T WIND SPD 6 4 2 1 0 3 3 9 12 11 8 6 9 13 14 10 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 3 2 1 1 0 10 15 25 6 5 4 3 10 45 77 59 3
MAX LVORI 6 9 10 10 10 5 3 3 6 9 6 8 7 4 1 1 3
STABILITY F F F F B B B B F F F F B B B A G
CEILING None 1100 300 800 100 100 200 None None
STA PRES 27.19 27.18 27.20 27.19 27.26 27.30 27.36 27.36
Date 09/08Wed 09/09/26Thu 09/10/26Fri 09/11/26Sat 09/12/26
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 82 54 86 60 86 58 81 53 83
TEMP 78 70 59 57 81 73 64 62 82 73 63 59 77 68 57 56 79 70
DEWPT 60 59 55 54 61 61 58 58 65 64 61 59 61 59 55 54 59 59
RH 54 68 87 90 51 66 81 87 56 73 93100 58 73 93 93 50 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC FW FW SC FW FW FW B1 B1 B1 SC B1 SC SC SC SC
POP 12HR 0 0 5 0 40 40 30 10 20
RAIN SHWRS SC SC IS IS SC IS
TSTMS 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