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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Nov 26 2025
VAZ046-262100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
701 AM EST Wed Nov 26 2025
Date Wed 11/26/25 Thu 11/27/25 Fri 11/28/25
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 69 35 47 27 42
TEMP 63 68 65 51 45 40 37 35 42 45 45 38 34 31 30 28 36 40 39 32
DEWPT 59 54 48 37 27 25 22 21 22 20 17 16 15 14 14 13 15 13 12 13
MAX/MIN RH 51 56 33 53 31
RH 87 61 54 59 49 55 54 56 44 36 32 40 45 49 51 53 42 33 32 45
WIND DIR SW W W W W W W W W W W W W W W W W W W W
WIND SPD 10 12 13 13 11 10 10 9 11 12 11 8 8 8 10 9 12 12 11 5
WIND GUST 20 23 24 29 28 25 24 19 23 23 21 18 18 19 20 19 23 23 21 16
CLOUDS SC FW FW FW CL FW B1 SC B1 B1 FW CL CL FW FW FW FW CL CL CL
CLOUDS(%) 39 20 19 6 3 9 54 47 68 63 20 3 3 9 10 8 9 3 4 3
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
RAIN
MIX HGT 2 4 3 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 5 5 5 <1
T WIND DIR W W W W W W W W W W W W W W W NW NW W NW W
T WIND SPD 10 20 25 13 19 17 18 13 18 17 19 13 12 8 14 21 19 20 20 6
DISPERSION FR FR FR FR PR PR PR FR PR
ADI 21 57 58 12 13 12 16 11 48 49 57 9 8 5 10 17 58 66 66 3
MAX LVORI 4 1 1 2 2 2 2 2 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY C D D D E E D C D D D E E E E C D D D F
CEILING None None None None 16900 None None None None None
STA PRES 29.17 29.16 29.30 29.36 29.38 29.36 29.38 29.41 29.51 29.55
Date Sat 11/29/25Sun 11/30/25Mon 12/01/25Tue 12/02/25
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 19 44 25 46 38 52 36 44
TEMP 25 21 42 32 28 27 43 42 42 39 50 45 40 38 43 39
DEWPT 14 14 14 17 18 20 29 35 39 38 40 37 34 34 33 31
RH 62 74 31 53 66 74 57 76 89 96 68 73 79 85 67 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW SC SC B1 B2 B2 OV B2 B2 B2 B2 OV B2 B2
POP 12HR 0 0 5 30 50 40 50 50
RAIN 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