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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EST Sun Jan 11 2026
VAZ018-120900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
201 PM EST Sun Jan 11 2026
Date 01/11/26 Mon 01/12/26 Tue 01/13/26 Wed
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 25 44 27 53 37
TEMP 31 27 27 26 26 27 32 41 42 37 33 30 27 28 38 48 53 48 41 40 37 37
DEWPT 16 13 15 16 17 17 17 17 17 14 15 16 16 17 19 22 23 23 24 25 25 27
MIN/MAX RH 69 35 64 31 66
RH 53 55 60 65 68 65 53 37 36 38 47 55 63 63 46 35 31 37 50 55 61 67
WIND DIR NW NW NW NW NW W W W W W W W W W W SW SW SW SW W W W
WIND SPD 17 19 14 10 9 8 8 8 6 5 6 6 5 5 6 8 8 8 8 9 9 8
WIND GUST 35 40 31 21 19 16 17 16 18 20 24 25 24 21
CLOUDS B1 SC B1 B1 B1 SC FW FW FW FW FW SC SC FW FW SC FW SC SC SC B1 B1
CLOUDS(%) 57 38 52 51 66 50 21 7 21 15 11 37 37 15 24 28 22 36 44 49 53 63
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
SNOWSHWRS SC
MIX HGT 4 3 3 2 2 1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW NW NW NW NW W W W W W W W W W SW SW SW
T WIND SPD 35 35 29 26 23 16 11 13 13 6 8 8 8 6 10 11 10 8
DISPERSION GD GD FR PR PR PR PR PR PR PR PR PR
ADI 99 48 40 36 26 20 17 35 37 3 4 4 4 5 17 28 21 5
MAX LVORI 1 1 1 3 3 3 2 1 1 2 2 2 3 3 2 2 2 2
STABILITY D D D D D C C C C F F F F C C C C E
CEILING None 10100 None None None None None None None
STA PRES 27.98 27.99 28.02 27.95 27.93 27.90 27.85 27.69
Date 01/14Thu 01/15/26Fri 01/16/26Sat 01/17/26Sun 01/18/26
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 48 30 34 18 36 23 40 23 34
TEMP 48 47 39 30 33 27 23 20 32 30 27 25 36 33 29 24 31 26
DEWPT 35 34 31 23 16 10 8 9 13 14 16 17 22 21 21 18 15 10
RH 60 60 73 75 49 48 52 62 45 51 63 71 56 61 72 77 51 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC B1 B2 B1 B1 B1 SC
POP 12HR 20 80 60 20 0 10 20 30 30
RAIN D
RAIN SHWRS IS NM
SNOW L C S S S C C 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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