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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 PM EST Thu Jan 1 2026
VAZ018-020900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1101 PM EST Thu Jan 1 2026
Date 01/01/26 Fri 01/02/26 Sat 01/03/26 Sun
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 31 47 34 43 30
TEMP 33 34 37 41 46 45 38 36 34 35 34 39 42 40 36 35 33 31 31
DEWPT 28 30 31 32 33 31 29 28 27 27 27 28 28 29 29 29 28 26 24
MIN/MAX RH 89 59 76 57 82
RH 82 85 79 70 60 58 70 72 75 72 75 64 57 64 75 78 82 81 75
WIND DIR W W W NW W W W NW W NW NW E E E SE N W NW NW
WIND SPD 2 4 8 9 9 6 3 2 2 1 1 1 2 2 1 0 1 2 4
WIND GUST 29 29 26 23 14 12 17
CLOUDS B1 B1 SC SC SC B1 B2 OV OV OV B2 B2 OV OV B2 B1 B1 SC FW
CLOUDS(%) 67 60 43 47 39 64 85 88 93 92 86 87 94 94 83 54 55 28 13
VSBY 10 10 10 10 9 10 10 9 10 9 8 5 3 2 3 2 3 10 10
POP 12HR 5 0 10 50 10
RAIN C C C C
MIX HGT <1 <1 1 2 2 2 <1 <1 <1 <1 <1 <1 <1 <1 <1
T WIND DIR W W W NW W W NW NW NW W S SE SE E E
T WIND SPD 10 11 18 28 21 18 12 10 8 2 1 3 2 3 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 7 8 28 73 61 35 6 5 4 1 1 3 3 3 2
MAX LVORI 4 4 3 1 1 1 3 3 3 3 4 3 3 3 3
STABILITY E E C C C D F F F F C C C C F
CEILING None None 1200 8900 11600 8800 7300 7900
STA PRES 27.49 27.53 27.56 27.62 27.64 27.67 27.64
Date 01/04Mon 01/05/26Tue 01/06/26Wed 01/07/26Thu 01/08/26
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 27 50 33 57 43 59 40 57
TEMP 44 32 28 28 47 40 35 34 55 46 45 46 58 48 43 40 57 47
DEWPT 20 18 17 18 25 27 28 29 37 37 38 41 44 40 37 36 38 36
RH 38 56 63 66 42 59 75 82 51 71 76 83 59 74 79 85 49 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW B1 B2 SC SC FW SC B1 B2 B2 OV B2 B2 B1 B2 B1 B1
POP 12HR 0 0 0 0 5 20 30 20 20
RAIN S C S S S 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