Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EST Mon Dec 29 2025
VAZ046-300900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
931 PM EST Mon Dec 29 2025
Date 12/29/25 Tue 12/30/25 Wed 12/31/25 Thu
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 24 38 25 46 30
TEMP 30 28 28 25 31 37 37 31 28 27 26 27 35 43 46 41 38 37 34 31
DEWPT 12 11 10 10 10 8 7 7 7 7 9 11 15 18 20 20 21 22 23 22
MIN/MAX RH 52 28 51 34 70
RH 46 48 46 52 41 29 28 36 40 42 48 50 43 36 35 42 50 54 64 69
WIND DIR W W W W W W W W W W W SW SW W W W W W W W
WIND SPD 13 10 8 11 11 12 11 8 8 8 9 9 11 12 11 8 9 9 9 8
WIND GUST 26 20 21 23 23 21 18 18 18 19 19 23 24 21 20 20 19 19
CLOUDS CL FW CL CL CL CL FW SC B1 B1 SC FW SC SC SC SC SC SC SC SC
CLOUDS(%) 4 6 3 4 4 3 7 28 55 56 26 17 27 36 48 45 44 34 35 44
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 1 <1 1 4 4 4 <1 <1 2 1 <1 3 5 5 2
T WIND DIR W W W W W W W W W W W SW W W W W
T WIND SPD 28 27 25 21 20 19 19 8 19 18 8 9 20 23 16 9
DISPERSION FR FR PR PR PR PR PR PR PR PR PR
ADI 32 19 17 30 55 57 56 5 18 21 5 9 51 68 48 10
MAX LVORI 1 2 2 1 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY D E E D D D D E D D E C D D D D
CEILING None None None None None None None None
STA PRES 29.24 29.31 29.28 29.30 29.23 29.19 29.10
Date 01/01Fri 01/02/26Sat 01/03/26Sun 01/04/26Mon 01/05/26
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 44 25 49 35 48 28 47 28 50
TEMP 43 37 28 26 46 43 38 35 46 41 32 28 44 38 31 29 48 44
DEWPT 17 16 16 18 24 26 28 29 30 28 24 22 22 22 21 23 26 28
RH 35 42 60 71 42 51 67 78 53 59 72 78 41 52 66 78 42 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW SC B1 B1 B2 B2 B2 B1 SC FW SC B1 B1 B1 B1 SC
POP 12HR 0 0 0 20 40 20 0 5 10
RAIN S 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