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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Fri Jan 16 2026
VAZ024-162100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1231 PM EST Fri Jan 16 2026
Date Fri 01/16/26 Sat 01/17/26 Sun 01/18/26
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 41 28 49 28 35
TEMP 38 41 36 33 30 29 31 39 48 49 42 36 34 31 28 32 35 34 28
DEWPT 5 7 9 12 15 17 22 29 30 29 27 26 25 23 20 16 12 10 11
MAX/MIN RH 23 71 47 72 35
RH 25 24 32 41 53 60 69 67 49 46 55 67 69 72 71 51 38 36 48
WIND DIR S S S SW S S S SW SW W W W W W W W W W W
WIND SPD 5 6 3 3 2 2 2 4 6 5 2 2 2 2 3 4 5 5 2
WIND GUST 18 16 13 14 18 17 12
CLOUDS B1 FW SC B1 B1 B2 B2 B2 B1 SC SC SC B2 B2 B2 B2 SC SC FW
CLOUDS(%) 57 24 42 62 57 80 85 76 56 47 40 50 70 77 72 70 49 30 10
VSBY 10 10 10 10 10 7 5 7 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 0 20 30 20 10
RAIN C C S
SNOW S S S
MIX HGT 3 3 <1 <1 <1 <1 <1 2 4 5 <1 <1 <1 <1 1 4 4 4 <1
T WIND DIR S S S S S S S SW SW W SW W W W W W W W W
T WIND SPD 12 14 8 11 10 10 10 9 8 13 2 2 6 4 5 9 13 13 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 29 44 4 5 5 5 12 16 22 58 1 1 3 2 10 24 52 51 5
MAX LVORI 2 1 2 2 2 3 3 3 2 1 3 3 3 3 3 2 1 1 2
STABILITY D C F F F F C D D C G F F F C D C C G
CEILING None 5900 7300 4400 None None 6900 3700 None
STA PRES 28.45 28.46 28.45 28.52 28.54 28.61 28.58 28.55 28.46
Date Mon 01/19/26Tue 01/20/26Wed 01/21/26Thu 01/22/26
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 20 39 13 30 14 44 29 50
TEMP 23 22 39 29 20 13 28 24 18 18 42 38 33 32 49 39
DEWPT 10 11 11 5 -2 -5 -7 -4 -2 2 10 15 19 23 27 27
RH 57 62 31 35 37 43 21 28 40 49 26 38 56 69 42 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW CL CL CL CL FW FW FW FW SC SC SC
POP 12HR 0 0 0 0 0 5 10 20
RAIN 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