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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EST Wed Nov 26 2025
VAZ024-270900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 PM EST Wed Nov 26 2025
Date 11/26/25 Thu 11/27/25 Fri 11/28/25 Sat
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 35 45 26 40 18
TEMP 41 39 37 35 38 42 40 36 32 30 28 27 34 40 39 31 27 25 21 18
DEWPT 25 23 21 19 20 17 15 16 15 14 13 12 15 13 12 13 14 13 13 13
MIN/MAX RH 56 35 54 31 81
RH 52 52 52 52 48 36 36 43 49 51 53 53 45 33 32 47 57 60 71 80
WIND DIR NW NW W W W W W W W W W W W NW NW NW W NW NW NW
WIND SPD 12 11 10 10 10 10 10 5 5 5 6 6 9 9 8 3 3 2 2 1
WIND GUST 31 27 26 24 24 23 23 21 21 23 24 23 24 23 21 18 13
CLOUDS FW B1 SC B1 B2 OV SC FW FW FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 9 57 49 65 82 92 48 19 11 19 16 10 22 21 12 17 12 11 19 10
VSBY 9 9 9 10 10 10 10 8 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 2 2 1 3 4 4 <1 1 1 1 2 5 6 5 <1
T WIND DIR W NW W NW W W W W W W W NW NW NW NW W
T WIND SPD 29 29 25 25 20 21 21 12 12 19 26 26 26 24 21 8
DISPERSION FR FR FR PR PR PR PR VP VP VP VP
ADI 20 40 28 40 53 62 83 6 6 9 12 59113107 93 4
MAX LVORI 2 1 2 1 1 1 1 2 2 2 2 1 1 1 1 2
STABILITY E D D D D D C F F F F C C C C G
CEILING None 12500 None None None None None None
STA PRES 28.51 28.53 28.52 28.53 28.53 28.61 28.67
Date 11/29Sun 11/30/25Mon 12/01/25Tue 12/02/25Wed 12/03/25
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 45 25 45 31 48 29 43 26 48
TEMP 43 33 27 27 42 42 36 32 47 38 32 30 42 39 31 27 47 36
DEWPT 13 16 16 18 32 35 32 28 29 28 27 29 32 32 27 24 30 27
RH 29 49 63 68 67 76 85 85 49 67 81 96 67 76 85 88 51 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC FW
POP 12HR 0 5 40 40 20 50 60 30 20
FRZG RAIN C
RAIN C C C C S S C L C C S
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