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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Fri Jan 9 2026
NCZ003-100900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
231 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 54 63 39 44 26
TEMP 55 55 55 56 56 55 58 60 62 61 58 54 45 40 41 42 39 33 31 30 28 26
DEWPT 55 55 55 55 55 55 58 59 59 59 55 48 38 30 26 20 15 14 15 16 17 17
MIN/MAX RH 100 89 96 37 68
RH 100100100 96 96100100 96 90 93 90 80 76 67 55 41 37 45 51 55 63 68
WIND DIR SW SW SW SW SW S SW S S SW W NW NW NW W W NW NW NW NW NW NW
WIND SPD 5 3 2 2 2 4 5 9 9 11 10 12 13 11 13 13 13 12 12 11 8 5
WIND GUST 19 19 27 32 29
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 FW FW SC FW CL FW FW FW FW
CLOUDS(%) 94 95 95 97 97 98 95 97 97 96 96 82 70 17 11 37 7 5 6 14 6 6
VSBY 1 4 1 1 1 1 2 3 4 3 6 7 7 10 10 10 10 10
POP 12HR 100 100 60 5 0
RAIN L L L C L L
RAIN SHWRS SC O NM O NM
MIX HGT <1 <1 <1 <1 <1 <1 <1 2 2 <1 <1 1 1 1 5 7 6 2
T WIND DIR W W W W NE E S S S SW SW W NW NW W W NW NW
T WIND SPD 2 1 1 3 2 3 6 11 9 4 4 9 21 12 25 35 28 17
DISPERSION VP VP VP VP FR FR FR FR FR FR FR PR
ADI 3 1 1 2 1 4 8 20 15 4 4 8 20 17 76126 94 23
MAX LVORI 9 10 10 10 10 9 8 5 5 6 6 4 3 3 1 1 1 2
STABILITY D F F F F D D D D D D D D D D D D D
CEILING 600 500 400 400 2800 None None None None
STA PRES 29.12 29.03 28.94 28.85 28.89 28.94 29.03 29.15
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 46 26 50 32 50 31 42 22 40
TEMP 43 39 30 27 48 42 35 34 47 45 38 32 39 33 27 22 37 35
DEWPT 18 21 19 17 23 26 27 28 31 32 31 27 23 18 17 15 18 19
RH 36 48 63 65 37 53 72 78 53 60 76 81 52 53 65 74 46 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW FW FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 SC SC FW
POP 12HR 0 0 0 5 20 20 40 20 10
RAIN S S S C C S
SNOW 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