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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Thu Nov 6 2025
VAZ024-070900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 PM EST Thu Nov 6 2025
Date 11/06/25 Fri 11/07/25 Sat 11/08/25 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 35 66 49 72 47
TEMP 49 42 38 36 35 52 63 64 58 57 55 53 50 62 71 69 57 52 49 49 48
DEWPT 25 26 25 26 28 36 42 47 49 51 52 52 49 53 47 45 45 46 45 46 46
MIN/MAX RH 75 45 100 40 94
RH 39 53 59 67 75 54 46 54 72 80 90 96 96 72 42 42 64 80 86 89 93
WIND DIR N NE E SE SE SW S S S SW SW W W W W SW SW S S S S
WIND SPD 0 1 1 1 2 5 9 10 6 4 2 2 2 2 4 3 1 1 1 1 2
WIND GUST 17 20 21 21 18 12
CLOUDS FW CL CL FW CL FW SC B1 B2 B2 B2 B1 SC SC FW SC SC SC B1 B1 B1
CLOUDS(%) 7 5 5 8 4 20 42 54 73 73 78 58 38 26 22 28 32 45 60 67 68
VSBY 10 10 10 10 10 10 10 10 10 10 10 6 6 10 10 10 10
POP 12HR 0 0 60 5 40
RAIN L L C C C
RAIN SHWRS SC SC
MIX HGT <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR S SE S SE S S S S S SW W W NW W W SW S
T WIND SPD 2 2 2 2 3 17 17 12 11 11 4 4 4 4 12 9 3
DISPERSION VP VP VP VP PR VP VP VP VP VP VP VP
ADI 1 1 1 1 4 52 68 25 8 8 2 2 5 13 67 41 2
MAX LVORI 2 2 3 3 4 1 1 2 3 4 6 8 9 3 1 1 3
STABILITY G G G G B B B D E E F F B B B B G
CEILING None None None 1800 300 None None None None
STA PRES 28.63 28.56 28.48 28.31 28.25 28.27 28.35 28.34
Date 11/09Mon 11/10/25Tue 11/11/25Wed 11/12/25Thu 11/13/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 70 33 45 25 48 32 61 40 60
TEMP 69 53 42 33 45 34 29 26 46 40 34 33 60 50 45 40 59 47
DEWPT 50 40 32 25 20 20 18 17 19 20 23 22 31 33 34 32 30 29
RH 51 61 67 72 36 56 63 68 34 44 64 63 33 52 65 73 33 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC B1 B1 SC SC SC FW FW FW FW SC FW FW SC SC SC FW
POP 12HR 30 20 10 10 0 0 0 5 0
RAIN C S S S
$$
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