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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Fri Jan 9 2026
NCZ006-100900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
701 PM EST Fri Jan 9 2026
Date 01/09/26 Sat 01/10/26 Sun 01/11/26 Mon
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 56 70 42 51 26
TEMP 58 58 58 58 62 68 70 66 61 57 50 43 47 49 45 35 31 30 28 27
DEWPT 58 58 58 58 62 62 61 60 60 55 46 35 31 25 18 16 16 17 18 19
MIN/MAX RH 100 74 96 33 73
RH 100100100100100 81 73 81 97 93 86 73 53 39 33 45 53 58 66 71
WIND DIR SW SW S S S S SW SW SW W NW NW W W NW NW NW NW NW W
WIND SPD 2 2 2 2 5 10 10 8 6 5 6 6 10 13 13 8 5 4 3 2
WIND GUST 20 20 20 28 27 19
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B1 FW SC FW CL CL CL CL CL
CLOUDS(%) 89 93 94 97 97 93 96 95 92 92 80 56 21 37 15 3 3 4 3 4
VSBY 8 7 6 2 3 5 5 7 6 7 7 10 10 10 10 10
POP 12HR 90 90 90 5 0
RAIN L C D D C C
RAIN SHWRS O O NM O NM
MIX HGT <1 <1 <1 <1 1 3 2 <1 <1 <1 1 1 4 8 8 2
T WIND DIR SW S S SE S S S SW SW W NW NW W W NW NW
T WIND SPD 5 4 2 5 10 21 20 13 6 9 19 20 24 35 32 19
DISPERSION VP VP VP PR PR PR PR PR PR VP VP
ADI 3 2 1 4 14 48 42 12 5 6 13 31 90128116 13
MAX LVORI 9 9 10 9 5 3 3 4 7 5 4 3 1 1 1 2
STABILITY F F F C D D D D E E E C C D D E
CEILING 1000 700 600 500 500 4400 None None None
STA PRES 29.55 29.47 29.40 29.29 29.30 29.33 29.43 29.56
Date 01/12Tue 01/13/26Wed 01/14/26Thu 01/15/26Fri 01/16/26
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 49 26 54 35 55 33 46 21 43
TEMP 46 40 32 27 52 45 39 37 53 48 40 34 44 35 27 22 41 36
DEWPT 20 22 22 22 25 26 26 28 33 33 33 31 28 23 18 16 20 21
RH 35 48 66 81 35 47 59 70 46 56 76 89 53 61 68 77 42 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL FW FW FW FW B1 B2 B1 B2 B2 B1 B1 B1 SC FW FW
POP 12HR 0 0 0 0 20 20 40 30 10
RAIN S S C C C
SNOW S 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
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