Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Sep 6 2026
VAZ018-062000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Sun Sep 6 2026
Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 78 61 80 59 83
TEMP 73 76 73 67 65 65 62 62 71 77 77 68 64 62 60 61 73 80 82 72
DEWPT 70 70 69 65 61 60 59 59 63 63 62 59 57 56 57 58 63 62 61 59
MAX/MIN RH 80 91 57 92 50
RH 90 82 87 93 87 84 90 90 76 62 60 73 78 81 90 90 71 54 49 64
WIND DIR E E E E NE NE E E E SE SE SE SE SE N SE S S SE SE
WIND SPD 2 3 4 3 3 2 2 3 4 4 4 2 1 1 0 1 2 3 3 2
WIND GUST 14
CLOUDS B2 B2 B2 B1 B1 SC SC B1 SC SC SC FW FW SC FW SC SC FW SC SC
CLOUDS(%) 82 80 78 66 66 41 50 57 42 44 31 21 20 29 25 29 27 23 27 29
VSBY 10 10 10 10 9 7 5 0 10 10 10 10 10 10 3 0 10 10 10 10
POP 12HR 60 10 10 0 0
RAIN SHWRS SC NM
TSTMS IS IS
MIX HGT 2 2 2 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR NE NE NE N NE E NE E E E E E E E SE S S S S SE
T WIND SPD 10 10 10 3 4 11 4 9 11 6 9 4 3 3 6 8 8 6 6 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 24 25 25 2 2 5 2 10 48 42 56 2 2 2 3 8 38 48 49 3
MAX LVORI 4 3 4 7 6 5 6 5 3 1 1 3 4 5 6 5 3 1 1 3
STABILITY B B C F F F F B A A A G G G G A A A A G
CEILING 700 1500 None None None None None None None None
STA PRES 18.5 27.76 27.82 27.86 27.92 27.91 27.97 28.00 28.04 28.0
Date Wed 09/09/26Thu 09/10/26Fri 09/11/26Sat 09/12/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 61 88 67 88 64 82 60 82
TEMP 63 63 87 76 70 69 85 76 68 65 80 71 63 62 79 71
DEWPT 56 57 64 61 60 61 68 65 62 61 62 59 57 57 63 61
RH 78 81 46 60 71 76 57 69 81 87 54 66 81 84 58 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW SC B1 B1 SC SC FW SC SC B1
POP 12HR 0 0 0 20 30 20 10 30
RAIN SHWRS IS SC IS IS SC
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