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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Mon Nov 24 2025
NCZ005-250900-
RAWS 310540
36.38N 79.70W Elev. 858 ft
701 PM EST Mon Nov 24 2025
Date 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu
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 42 64 57 71 35
TEMP 47 45 43 43 54 63 64 60 59 58 59 60 66 69 68 57 48 42 37 35
DEWPT 36 37 39 41 47 52 56 58 59 58 59 60 62 57 51 41 32 28 24 22
MIN/MAX RH 92 68 100 54 61
RH 65 73 86 93 77 67 75 93100100100100 87 66 54 55 54 57 59 59
WIND DIR SE S S S S S S S S S SW SW SW SW W W NW NW NW W
WIND SPD 2 2 2 2 3 6 5 5 5 5 8 8 10 11 10 10 9 6 5 5
CLOUDS SC B1 B1 B2 B2 B2 OV B2 B2 OV OV OV B2 SC SC FW FW FW FW FW
CLOUDS(%) 44 60 58 80 83 84 96 86 78 88 95 91 71 36 30 14 10 11 17 25
VSBY 10 10 10 10 10 9 7 8 7 6 5 4 10 10 10 10
POP 12HR 5 60 80 30 0
RAIN C C
RAIN SHWRS SC SC SC SC NM O
TSTMS IS IS IS IS
MIX HGT <1 <1 <1 <1 1 2 <1 <1 <1 <1 <1 <1 1 3 4 <1
T WIND DIR SE SE SE S S S S S S S SW SW SW SW W W
T WIND SPD 3 2 3 3 12 21 16 9 9 9 9 9 13 14 20 11
DISPERSION VP VP VP PR PR PR PR FR PR PR PR
ADI 2 1 2 3 15 41 18 6 6 6 8 10 22 38 73 8
MAX LVORI 3 3 6 6 4 1 3 6 8 8 8 7 4 3 1 3
STABILITY F F F C C D D E E E D D D D C E
CEILING None 13900 3900 2900 2600 600 300 None None
STA PRES 29.49 29.46 29.42 29.31 29.27 29.22 29.20 29.18
Date 11/27Fri 11/28/25Sat 11/29/25Sun 11/30/25Mon 12/01/25
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 49 27 44 22 46 29 51 37 57
TEMP 47 42 32 27 42 36 26 23 44 38 31 31 47 44 40 39 54 52
DEWPT 16 16 18 15 10 13 15 15 14 19 21 22 29 34 36 37 44 46
RH 28 34 56 60 26 38 62 71 29 46 66 69 49 68 85 92 69 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW CL CL FW SC SC SC B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 0 0 0 0 0 10 30 40 40
RAIN C C C C C C
$$
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