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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Thu Jan 8 2026
NCZ001-090900-
RAWS 310141
36.40N 81.29W Elev. 3009 ft
701 PM EST Thu Jan 8 2026
Date 01/08/26 Fri 01/09/26 Sat 01/10/26 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 43 55 52 58 33
TEMP 46 45 45 47 49 54 54 54 54 54 53 54 55 56 57 56 52 46 40 35
DEWPT 35 39 43 45 49 52 52 52 52 53 52 53 55 56 55 53 48 42 34 27
MIN/MAX RH 98 90 98 89 94
RH 65 79 93 93100 93 93 93 93 96 96 96100100 93 90 86 86 79 72
WIND DIR SE S S S S S S S S SW S S S S SW W W NW NW NW
WIND SPD 5 5 4 5 5 8 5 4 2 2 2 5 10 10 9 9 11 13 16 18
WIND GUST 21 25 28 31
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC
CLOUDS(%) 76 73 94 95 97 92 92 92 93 90 92 93 95 96 94 92 89 81 68 42
VSBY 10 10 8 3 3 5 3 4 2 1 2 2 1 2 4 10
POP 12HR 10 80 100 100 50
RAIN S S L L
RAIN SHWRS SC NM O O O O O O SC SC
TSTMS IS IS
MIX HGT <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR SE S S S S S SW SW SW S SW S S S SW W
T WIND SPD 6 6 5 5 4 8 6 4 4 5 3 3 6 17 5 10
DISPERSION PR PR VP VP VP VP VP PR FR FR GD
ADI 5 5 4 6 5 9 8 3 2 3 2 4 12 32 10 9
MAX LVORI 3 4 6 6 9 6 5 6 6 6 10 8 7 4 5 5
STABILITY E E E D D D D E F F F D D D D D
CEILING 4000 400 400 400 400 400 300 200 300
STA PRES 27.34 27.31 27.30 27.26 27.29 27.25 27.18 27.10
Date 01/11Mon 01/12/26Tue 01/13/26Wed 01/14/26Thu 01/15/26
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 36 20 40 26 47 32 45 30 36
TEMP 33 26 23 21 37 30 28 28 45 36 33 34 43 38 34 31 35 29
DEWPT 18 11 12 12 12 14 12 12 19 21 21 22 27 30 30 27 23 19
RH 53 52 62 68 35 51 50 50 35 54 61 61 53 73 85 85 61 66
WIND SPD 15> 15> <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW CL FW FW FW FW SC B2 B2 B2 B2 B2 B2 B1
POP 12HR 5 0 0 0 0 5 20 30 20
RAIN S S C S S 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
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