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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 PM EST Fri Jan 2 2026
NCZ001-030900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
202 PM EST Fri Jan 2 2026
Date 01/02/26 Sat 01/03/26 Sun 01/04/26 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 36 40 30 39 28
TEMP 42 40 40 39 38 38 36 38 40 37 37 36 34 31 31 36 36 31 30 31 31 29
DEWPT 31 33 34 34 34 35 35 35 35 35 35 34 29 24 20 18 17 18 18 20 21 21
MIN/MAX RH 92 84 93 44 71
RH 65 76 79 82 85 89 96 89 82 92 92 92 82 75 63 47 45 58 60 63 66 72
WIND DIR W W W W SW S S S SW NW W W NW NW NW NW NW NW W S S S
WIND SPD 13 13 11 8 5 4 4 4 2 2 5 10 13 16 11 9 8 6 5 4 5 5
CLOUDS OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW B1 B2 B2 B1 FW
CLOUDS(%) 94 92 92 93 89 94 97 92 79 76 59 58 42 29 12 7 21 51 74 78 54 17
VSBY 10 10 10 10 9 7 5 6 9 8 7 4 6 10 10 10 10 10 10 10 10 10
POP 12HR 30 50 5 0 0
RAIN SHWRS IS SC SC SC
MIX HGT 1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 2 1 <1
T WIND DIR W W W W W SW SE SW NW W W W NW NW NW NW NW NW
T WIND SPD 13 10 6 3 2 1 3 3 8 4 8 16 17 14 13 14 11 6
DISPERSION FR FR PR PR VP PR FR FR PR PR VP PR
ADI 21 9 6 3 2 1 4 4 9 2 5 14 15 16 19 32 19 5
MAX LVORI 2 3 4 5 6 7 8 6 4 6 6 5 4 3 3 1 2 3
STABILITY D D D D E D D D C F E D D D D C C E
CEILING 8700 3000 1100 1800 200 None None None 19400
STA PRES 26.48 26.48 26.50 26.48 26.53 26.56 26.66 26.67
Date 01/05Tue 01/06/26Wed 01/07/26Thu 01/08/26Fri 01/09/26
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 32 51 42 53 42 51 45 54
TEMP 40 35 34 36 48 44 46 45 49 46 43 44 47 46 48 49 50 50
DEWPT 24 28 28 29 34 37 40 41 41 39 39 39 41 41 43 44 45 45
RH 52 75 78 75 58 76 79 86 74 76 86 82 79 83 83 83 83 83
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 0 0 0 10 10 10 20 40 40
RAIN S S C
RAIN SHWRS SC SC 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