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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Thu Nov 27 2025
NCZ003-272100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
1231 PM EST Thu Nov 27 2025
Date Thu 11/27/25 Fri 11/28/25 Sat 11/29/25
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 46 25 41 21 42
TEMP 43 43 35 32 29 27 28 34 38 38 31 27 25 22 22 32 40 41 33
DEWPT 14 13 14 16 16 15 13 13 12 10 12 13 12 12 11 12 12 13 15
MAX/MIN RH 29 60 31 69 29
RH 30 29 41 51 58 60 53 41 34 31 45 55 57 65 62 43 31 31 47
WIND DIR NW NW NW NW NW NW W NW NW NW NW NW NW NW N E SE SE SE
WIND SPD 9 10 10 9 9 9 10 11 9 6 5 3 2 2 2 1 2 2 2
CLOUDS B2 FW CL CL CL CL CL CL FW CL FW FW FW FW FW SC SC FW SC
CLOUDS(%) 73 11 3 1 2 3 2 4 6 4 6 6 22 18 25 28 26 22 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 4 5 <1 <1 <1 <1 <1 4 5 5 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W W W NW NW W NW NW NW NW NW NW SW SW SE S S SE
T WIND SPD 13 16 12 10 11 11 12 21 14 13 9 13 6 1 1 1 5 5 1
DISPERSION FR PR PR PR PR VP VP VP VP
ADI 38 65 8 7 8 8 14 84 62 56 4 6 3 1 1 3 21 21 1
MAX LVORI 1 1 2 2 2 3 2 1 1 1 2 2 3 3 3 2 2 2 2
STABILITY D C E E E E C C C C F G G G B B B B G
CEILING None None None None None None None None None
STA PRES 29.04 29.06 29.07 29.15 29.19 29.28 29.31 29.35 29.28
Date Sun 11/30/25Mon 12/01/25Tue 12/02/25Wed 12/03/25
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 28 42 33 44 32 41 28 46
TEMP 29 32 39 41 37 33 42 38 33 32 39 37 31 28 44 38
DEWPT 17 18 31 37 33 29 28 27 27 28 31 31 28 25 26 28
RH 60 56 73 85 85 85 57 64 78 85 73 79 88 88 49 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 OV B2 B2 B1 B1 B2 B2 B2 B2 B1 SC FW FW
POP 12HR 10 60 40 20 40 50 30 10
RAIN C L C S S S C C C C
SNOW 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