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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EST Tue Jan 6 2026
NCZ003-070900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 PM EST Tue Jan 6 2026
Date 01/06/26 Wed 01/07/26 Thu 01/08/26 Fri
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 48 65 37 60 48
TEMP 52 50 49 48 55 62 62 51 45 42 40 39 50 57 58 52 51 49 50 51
DEWPT 47 46 44 43 46 41 40 39 38 36 35 32 38 39 41 42 43 45 48 49
MIN/MAX RH 92 42 81 51 94
RH 83 86 83 83 72 46 44 63 76 79 82 76 63 51 53 69 74 86 93 93
WIND DIR SW SW SW SW W W NW NW NW NW NW NW N S S S S S S S
WIND SPD 2 2 2 3 4 5 2 1 1 1 1 1 0 3 3 1 1 2 2 2
WIND GUST 12 12
CLOUDS FW B1 FW FW FW FW FW FW FW SC SC B1 SC B2 B2 B2 OV OV OV OV
CLOUDS(%) 23 54 24 16 15 9 8 24 17 27 38 54 44 76 86 83 89 91 90 91
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 20
RAIN S S
MIX HGT <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W W W W NW NW NW NW NW NW NW NW S S S S
T WIND SPD 8 9 11 12 17 16 9 4 6 6 4 3 1 8 9 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 4 5 14 50 65 47 2 3 3 2 4 2 23 26 3
MAX LVORI 6 6 5 5 3 1 1 3 4 4 5 4 3 2 2 3
STABILITY G F G B C C B G G G G B B C C F
CEILING None None None None None None 14400 1400
STA PRES 27.96 28.04 28.11 28.19 28.23 28.31 28.30
Date 01/09Sat 01/10/26Sun 01/11/26Mon 01/12/26Tue 01/13/26
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 64 56 63 42 45 26 47 29 50
TEMP 61 60 57 57 61 60 52 44 43 36 30 27 44 37 32 31 48 41
DEWPT 56 56 55 56 58 54 46 37 26 19 18 17 20 22 20 20 24 26
RH 84 87 93 96 90 81 80 76 51 50 60 65 38 54 61 63 39 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV OV OV B2 B2 B1 SC FW FW FW SC SC SC B1 B1
POP 12HR 40 80 80 60 20 10 5 10 10
RAIN S C C S
RAIN SHWRS NM O O O NM
TSTMS IS IS
$$
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