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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Thu Nov 27 2025
WVZ043-272100-
RAWS 465401
37.53N 81.00W Elev. 2725 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 35 21 29 18 39
TEMP 32 32 27 25 23 22 24 25 26 27 25 23 21 19 19 27 37 38 32
DEWPT 14 15 16 16 14 14 14 14 12 11 11 12 12 11 11 12 9 10 12
MAX/MIN RH 46 72 49 75 29
RH 47 49 63 68 68 71 65 62 55 50 55 62 68 70 70 53 31 31 43
WIND DIR W W W W W W W W W W W W W W SW SE SE SE SE
WIND SPD 14 13 10 12 12 12 12 13 12 10 6 4 2 2 1 2 5 6 5
WIND GUST 27
CLOUDS B2 FW B1 B2 B2 B2 B2 B1 B1 FW FW FW FW SC SC FW FW SC B1
CLOUDS(%) 87 21 53 70 78 72 74 67 52 21 18 16 16 30 37 17 24 38 62
VSBY 10 10 10 10 10 9 9 10 10 10 10 10 10
POP 12HR 0 20 10 0 0
FLURRIES IS IS
SNOWSHWRS IS
MIX HGT 4 4 2 3 3 3 3 4 4 4 1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR W W W W W W NW NW NW NW W NW W NW SW SE SE SE SE
T WIND SPD 20 24 16 28 27 28 29 25 23 20 19 16 9 5 1 4 10 13 13
DISPERSION FR FR FR FR PR VP VP VP PR
ADI 54 68 11 19 37 39 67 66 65 77 9 7 4 3 1 8 29 36 9
MAX LVORI 1 1 2 2 1 3 1 1 1 1 2 3 3 3 3 2 2 1 2
STABILITY D D E E D D D D D C F F G G B B C C E
CEILING None 15400 1500 1600 None None None None None
STA PRES 27.67 27.68 27.67 27.75 27.80 27.87 27.90 27.91 27.84
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 29 41 26 37 28 36 24 39
TEMP 31 32 40 38 31 26 35 32 30 29 34 32 28 25 37 31
DEWPT 12 22 37 35 28 23 23 24 24 26 29 27 23 22 21 23
RH 45 66 89 89 88 88 61 72 78 88 82 81 81 88 52 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV OV OV OV B2 B1 B1 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 30 70 40 10 40 50 20 10
FRZG RAIN C L
RAIN L L C S C C
SNOW C C 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