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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Wed Nov 26 2025
VAZ018-270900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 AM EST Wed Nov 26 2025
Date 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri
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 53 64 31 42 25
TEMP 56 56 55 60 63 55 43 38 35 33 32 36 41 39 33 31 29 27 25
DEWPT 53 53 51 53 49 40 28 23 21 18 16 18 16 14 13 14 13 12 11
MIN/MAX RH 97 53 59 34 54
RH 90 90 86 78 60 57 55 54 56 53 51 47 36 35 43 49 51 53 55
WIND DIR SW W W W W W W W W W W W W W W W W W NW
WIND SPD 4 4 5 8 10 10 17 18 18 17 16 16 16 14 13 14 16 14 13
WIND GUST 19 19 21 25 28 33 35 39 41 41 40 36 34 33 29 33 35 41 41
CLOUDS B2 B1 SC FW FW FW FW SC B1 B1 B2 B1 FW CL FW SC SC SC SC
CLOUDS(%) 82 55 36 20 25 20 9 33 58 53 72 56 17 3 7 30 45 49 43
VSBY 3 10 10 10 10 10 10 10 10 10 10 9 9 9 9 10 10 10 10
POP 12HR 50 10 0 0 0
RAIN SHWRS SC
MIX HGT <1 <1 <1 3 4 3 2 3 3 2 3 3 4 4 2
T WIND DIR SW SW W W W W W W W W W W W W W
T WIND SPD 8 5 10 25 31 31 32 34 35 33 31 31 31 29 26
DISPERSION VP VP GD GD GD GD FR GD GD GD
ADI 5 4 11 79114107 43 46 48 45 69 76 88 86 30
MAX LVORI 6 6 5 3 1 1 1 1 1 1 1 1 1 1 2
STABILITY E E C C C C D D D D D D D D D
CEILING None None None None 2100 None None None
STA PRES 27.65 27.64 27.64 27.73 27.72 27.75 27.74
Date 11/28Sat 11/29/25Sun 11/30/25Mon 12/01/25Tue 12/02/25
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 35 21 43 28 47 34 47 33 46
TEMP 35 27 25 22 42 30 29 31 44 42 38 34 47 38 36 34 45 36
DEWPT 13 11 11 12 12 14 15 18 32 35 32 30 32 30 28 27 31 28
RH 40 50 55 65 29 51 55 58 62 76 79 85 56 73 72 75 58 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2
POP 12HR 0 0 0 10 40 50 30 50 50
RAIN C C C C 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