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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
320 AM EST Thu Jan 1 2026
VAZ024-012100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
320 AM EST Thu Jan 1 2026
Date Thu 01/01/26 Fri 01/02/26 Sat 01/03/26
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 44 29 52 32 42
TEMP 35 33 39 43 42 35 31 31 32 33 42 49 51 44 39 35 33 34 39 40 41 37
DEWPT 27 26 24 20 19 20 22 25 28 29 30 30 30 30 29 29 29 30 31 31 32 32
MAX/MIN RH 38 87 44 86 69
RH 72 75 54 39 39 54 69 78 85 85 62 48 44 57 67 78 85 85 73 70 70 82
WIND DIR SW W NW W W W SW SW SW W W W W W NW NW N NE NE NE E NE
WIND SPD 8 9 10 8 5 2 2 2 2 4 6 6 5 3 2 2 1 1 2 2 2 2
WIND GUST 27 27 20 18 17
CLOUDS FW FW FW SC SC SC FW SC SC SC B1 SC B1 B2 B2 B2 B2 B2 OV OV OV OV
CLOUDS(%) 12 12 21 34 26 34 23 39 40 47 54 36 64 78 81 80 78 86 91 90 94 88
VSBY 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 0 10 50
RAIN C C C
MIX HGT 1 1 4 4 4 <1 <1 <1 1 1 3 4 3 <1 <1 <1 <1 <1 1 1 1 1
T WIND DIR W W NW NW W W SW S SW SW W W W W W NW NW N E E NE NE
T WIND SPD 12 12 27 19 17 11 4 4 3 3 14 12 12 5 2 2 2 2 2 4 5 5
DISPERSION PR VP VP VP VP VP VP VP VP VP
ADI 8 23100 74 61 5 2 2 2 5 36 45 41 3 1 1 1 2 3 9 7 3
MAX LVORI 3 3 1 1 1 2 3 5 6 5 1 1 1 3 3 4 5 5 3 3 3 5
STABILITY E C C C C G G G G C D C C F F F F C C C C F
CEILING None None None None None 16600 15100 13900 5300 400
STA PRES 28.30 28.34 28.34 28.27 28.30 28.32 28.38 28.38 28.39 28.30
Date Sun 01/04/26Mon 01/05/26Tue 01/06/26Wed 01/07/26
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 28 50 26 47 30 56 39 60
TEMP 33 29 45 40 34 29 42 40 36 34 50 49 45 42 55 51
DEWPT 30 25 21 22 20 20 23 26 26 28 36 36 37 38 43 41
RH 89 85 38 48 56 69 46 57 67 78 58 61 73 86 64 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 FW FW FW SC B1 B1 B1 SC SC B1 B1 B1 B1 B2 B1
POP 12HR 5 0 0 0 0 0 5 10
RAIN 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