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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Thu Jan 8 2026
WVZ043-082100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
631 AM EST Thu Jan 8 2026
Date Thu 01/08/26 Fri 01/09/26 Sat 01/10/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 55 46 61 52 59
TEMP 35 43 53 55 50 48 47 46 49 56 61 59 58 56 56 54 53 55 57 58 56
DEWPT 29 31 30 35 35 37 39 43 46 50 53 54 54 54 54 54 53 55 56 55 52
MAX/MIN RH 37 92 75 100 86
RH 78 62 41 47 56 65 74 89 89 80 75 83 86 93 93100100100 96 90 86
WIND DIR S SE SE SE SE SE SE SE S S S SW SW S S S SE S S SW W
WIND SPD 2 2 5 4 5 5 5 5 5 6 6 5 4 3 2 3 4 5 6 8 8
WIND GUST 17 17 18 19
CLOUDS SC SC OV B2 OV B2 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV
CLOUDS(%) 48 39 91 87 91 75 63 76 80 80 90 93 94 92 96 96 99 99 96 96 91
VSBY 10 10 10 10 10 10 10 10 10 10 10 8 6 1 1 1 3 4 7 4 10
POP 12HR 0 10 90 90 100
RAIN C C D D L L D D
RAIN SHWRS O O O O NM
MIX HGT <1 <1 2 2 <1 <1 <1 <1 <1 2 2 1 <1 <1 <1 <1 <1 2 3 3 1
T WIND DIR S SE SE SE SE SE SE SE SE S S S SW SW S S SW W SW W W
T WIND SPD 1 2 14 13 9 11 9 13 9 14 13 9 6 6 4 5 4 12 4 6 13
DISPERSION PR PR PR PR VP VP VP VP PR
ADI 1 2 29 28 6 8 6 9 10 25 25 14 5 3 2 3 5 21 11 17 12
MAX LVORI 4 3 2 2 3 3 3 5 5 3 3 4 5 6 6 9 9 5 6 4 4
STABILITY C B D D E E E E D D D D E F F F D D D D D
CEILING 16900 14400 11000 4400 200 3100 200 500 100 0
STA PRES 27.77 27.75 27.77 27.73 27.71 27.67 27.71 27.69 27.65 27.57
Date Sun 01/11/26Mon 01/12/26Tue 01/13/26Wed 01/14/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 33 36 21 35 25 45 30 44
TEMP 44 33 34 27 25 21 32 29 28 27 43 38 33 32 43 38
DEWPT 40 28 20 15 15 16 15 16 16 17 22 24 25 26 29 30
RH 86 82 56 60 65 81 49 58 60 65 43 57 72 78 57 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B1 B1 B2 B2 B1 FW FW FW FW FW SC B1 B2 B2
POP 12HR 60 30 20 5 0 5 10 30
RAIN S S C
RAIN SHWRS NM
SNOW S C S S 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