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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EST Fri Nov 28 2025
VAZ018-282100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EST Fri Nov 28 2025
Date Fri 11/28/25 Sat 11/29/25 Sun 11/30/25
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 42 29 47
TEMP 30 34 33 27 26 24 22 22 33 41 39 30 29 30 31 32 38 44 46 41
DEWPT 14 13 13 12 11 11 11 11 12 12 13 13 12 13 16 19 30 38 40 35
MAX/MIN RH 42 67 29 62 51
RH 51 41 43 53 52 57 62 62 41 30 34 49 48 49 53 58 73 79 79 79
WIND DIR NW NW NW NW W NW NW NW SE SE SE SE SE SE SE SE S SW W W
WIND SPD 11 9 8 6 4 3 2 2 1 3 4 3 3 3 3 3 4 5 5 6
WIND GUST 34 26 25 21 19 14 13 14 16 16 16 14 16 17 21
CLOUDS SC SC FW FW FW FW SC CL FW FW FW B1 B2 OV OV B2 OV OV B2 B2
CLOUDS(%) 38 34 21 12 13 18 27 4 13 17 21 55 81 92 89 85 88 91 80 80
VSBY 10 10 10 10 10 10 10 10 9 9 9 9 10 10 10 10 2 2 9 9
POP 12HR 0 0 0 40 60
FRZG RAIN C C
RAIN L L C C
SNOW C C
MIX HGT 4 5 4 1 1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 <1 <1 1 1
T WIND DIR NW NW NW NW NW NW NW W S SE SE SE SE SE S S SE SW W W
T WIND SPD 32 24 21 25 20 14 6 1 6 8 11 9 8 10 10 8 3 10 25 19
DISPERSION PR VP VP VP VP VP VP VP PR
ADI 89 97 85 11 9 7 3 1 10 21 24 4 4 5 5 6 4 11 34 13
MAX LVORI 1 1 1 2 2 3 3 3 2 2 2 2 2 2 2 3 3 4 3 4
STABILITY D C C F F G G B B B C F F F F C D D D E
CEILING None None None None None 12700 7300 300 1100
STA PRES 27.95 28.04 28.07 28.10 28.04 27.97 27.84 27.75 27.72
Date Mon 12/01/25Tue 12/02/25Wed 12/03/25Thu 12/04/25
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 25 43 30 41 26 42 26 46
TEMP 31 26 42 32 31 31 40 34 31 26 41 29 27 29 45 35
DEWPT 22 19 20 20 21 26 32 28 24 22 26 23 21 22 30 27
RH 69 74 41 61 66 81 73 78 75 85 55 78 78 75 55 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC SC B2 B2 B2 B2 B1 B1 SC FW SC SC SC B1
POP 12HR 10 5 50 60 30 0 5 5
FRZG RAIN C L
RAIN L C C
SNOW S 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
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