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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EST Mon Nov 24 2025
VAZ046-242100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
301 AM EST Mon Nov 24 2025
Date Mon 11/24/25 Tue 11/25/25 Wed 11/26/25
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 60 40 60 53 71
TEMP 38 35 52 60 59 48 44 42 41 41 51 57 59 56 55 54 56 59 65 70 68 57
DEWPT 32 31 33 31 31 32 33 34 34 37 42 47 51 54 54 54 56 58 60 57 52 43
MAX/MIN RH 33 85 69 100 57
RH 79 85 48 33 34 54 65 73 76 85 71 69 75 93 96100100 96 84 63 57 59
WIND DIR NW W SE S S S S S S S S S S S SW SW SW SW SW SW W W
WIND SPD 2 2 2 5 4 3 3 2 2 2 5 5 5 5 5 5 8 8 10 11 11 11
WIND GUST 16 21 21 23
CLOUDS CL FW FW FW FW FW SC B1 B2 B2 OV OV OV B2 B2 OV OV B2 B2 SC SC FW
CLOUDS(%) 3 8 10 15 22 22 42 62 73 77 88 89 91 86 84 92 91 82 78 42 30 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 3 4 3 2 3 3 4 10 10 10 10
POP 12HR 0 10 80 70 30
RAIN C C
RAIN SHWRS O O NM NM NM NM SC SC IS IS
MIX HGT <1 <1 1 3 2 <1 <1 <1 <1 <1 1 2 <1 <1 <1 <1 <1 <1 1 4 3 <1
T WIND DIR W W NW S S S S S S S S S S S S S S S SW SW W W
T WIND SPD 2 2 1 3 5 3 3 3 4 2 8 8 3 8 9 8 8 10 23 18 23 11
DISPERSION VP VP VP VP VP PR PR PR PR FR
ADI 1 2 2 11 15 2 2 2 2 2 11 13 4 5 6 5 7 11 37 53 52 8
MAX LVORI 5 6 2 2 2 3 3 3 4 5 3 3 4 6 8 9 8 6 4 1 1 3
STABILITY G B B C C G F F F C D D D E E E D D D D D E
CEILING None None None 10800 3500 1300 1200 1400 1000 None
STA PRES 29.59 29.53 29.53 29.49 29.44 29.32 29.27 29.20 29.17 29.13
Date Thu 11/27/25Fri 11/28/25Sat 11/29/25Sun 11/30/25
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 35 48 27 44 21 46 28 49
TEMP 42 35 47 39 33 27 43 34 27 22 44 37 30 29 47 43
DEWPT 27 22 18 18 17 15 14 15 15 15 16 19 21 23 27 33
RH 55 59 31 42 51 60 30 45 60 74 32 48 69 78 45 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC FW FW FW FW CL FW FW FW SC SC SC B1 B1 B2
POP 12HR 5 0 0 0 0 0 20 30
RAIN SHWRS IS SC
SNOWSHWRS 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