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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 PM EST Thu Jan 8 2026
VAZ024-090900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
331 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 41 61 54 64 42
TEMP 57 49 45 42 41 42 50 58 60 58 57 56 55 55 58 61 63 62 58 52 47 43
DEWPT 38 38 38 38 38 40 46 52 54 54 55 54 54 54 56 58 58 57 53 46 39 33
MIN/MAX RH 95 77 96 82 85
RH 49 66 76 86 89 93 86 80 81 86 93 93 96 96 93 90 84 84 83 80 74 67
WIND DIR SE E E E E E SE S SW SW SW SW NW E SE S S SW W W W W
WIND SPD 2 1 1 1 1 1 2 4 4 2 2 1 1 1 2 4 4 3 4 5 5 5
WIND GUST 12 16 17 19 21 21
CLOUDS B2 B1 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1
CLOUDS(%) 71 64 68 57 70 86 91 91 97 95 91 91 94 94 94 93 93 91 87 80 62 54
VSBY 10 10 10 10 10 10 10 10 3 5 0 2 2 2 2 2 3 10
POP 12HR 5 70 90 100 50
RAIN S S S L
RAIN SHWRS SC SC NM O O O O O SC SC
TSTMS IS IS
MIX HGT 2 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 <1 1 1 <1
T WIND DIR SE E E SE SE S S S SW W SW SW W S S SE SW W
T WIND SPD 5 3 3 3 3 5 5 4 1 1 3 3 1 2 3 3 1 4
DISPERSION VP VP VP VP VP VP VP VP VP VP PR PR
ADI 14 2 2 2 2 4 10 8 2 1 2 2 1 2 3 5 2 2
MAX LVORI 2 3 4 5 6 6 5 4 5 6 7 7 9 8 8 5 5 5
STABILITY C F F F F C C D D F F F F C C D D F
CEILING 12100 3200 1800 600 300 300 300 100 100
STA PRES 28.69 28.67 28.62 28.56 28.59 28.57 28.50 28.36
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 46 27 46 27 53 31 52 32 44
TEMP 45 35 30 28 43 36 30 29 51 41 34 33 50 43 36 33 42 35
DEWPT 22 16 15 17 17 18 17 18 23 26 25 26 31 32 31 29 26 22
RH 40 45 53 63 35 47 58 63 33 55 69 75 48 65 82 85 53 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW FW CL FW FW FW FW B1 B2 B1 B1 B1 B1 B1
POP 12HR 10 5 0 0 0 5 20 20 20
RAIN S S 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