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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 PM EST Fri Jan 2 2026
VAZ024-022100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
101 PM EST Fri Jan 2 2026
Date Fri 01/02/26 Sat 01/03/26 Sun 01/04/26
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 51 32 43 27 47
TEMP 50 41 37 35 33 32 37 42 41 37 34 32 30 28 37 46 46 36
DEWPT 33 31 29 27 27 26 27 26 28 28 28 26 24 22 19 15 16 18
MAX/MIN RH 52 79 54 84 27
RH 52 67 72 72 78 78 67 53 59 70 78 78 78 78 48 28 29 47
WIND DIR W W NW NW N N SE SE SE N N N NW NW NW NW NW NW
WIND SPD 5 2 1 1 0 0 1 2 2 0 0 0 1 2 2 3 3 2
WIND GUST 17
CLOUDS B1 B2 B2 B2 OV OV OV OV OV B2 B1 SC FW FW FW CL FW SC
CLOUDS(%) 65 86 84 86 89 92 93 96 92 80 55 37 16 11 7 5 12 31
VSBY 10 10 10 10 10 10 7 6 5 10 4 7 10 10 8 8 8 10
POP 12HR 0 5 30 5 0
RAIN SHWRS IS IS IS
MIX HGT 3 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 3 4 3 <1
T WIND DIR W NW NW W NW NE SE SE E S W W W NW NW NW NW NW
T WIND SPD 16 9 5 3 2 2 5 2 1 2 1 1 2 3 11 11 12 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 37 4 3 2 1 2 10 5 2 1 1 1 1 4 36 53 51 2
MAX LVORI 1 3 3 3 4 4 3 2 3 3 4 4 4 5 1 1 1 2
STABILITY D F F F F C C C C F F G G B B B B G
CEILING 18100 8600 10800 9700 7900 None None None None
STA PRES 28.29 28.34 28.37 28.42 28.39 28.41 28.42 28.53 28.55
Date Mon 01/05/26Tue 01/06/26Wed 01/07/26Thu 01/08/26
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 25 46 31 59 42 63 41 59
TEMP 29 25 43 38 32 32 56 49 46 45 60 52 44 41 56 51
DEWPT 20 19 22 27 27 28 37 40 41 41 45 42 39 39 44 43
RH 69 78 43 64 81 85 49 71 83 86 58 69 82 92 64 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC B1 SC B1 B2 SC B1 B2 B2 B1 B1 B1 B2 B2
POP 12HR 0 0 0 5 5 10 10 20
RAIN S 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