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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
332 PM EDT Fri Mar 13 2026
VAZ018-140800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
332 PM EDT Fri Mar 13 2026
Date 03/13/26 Sat 03/14/26 Sun 03/15/26 Mon
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 41 60 41 58 51
TEMP 58 54 49 46 43 41 49 58 60 54 48 45 42 41 50 57 58 55 53 53 56 57
DEWPT 31 31 33 32 28 26 24 24 27 29 30 31 33 34 41 45 46 47 49 51 53 54
MIN/MAX RH 57 27 75 63 95
RH 36 41 54 58 55 55 37 27 28 38 49 58 70 76 71 64 64 74 86 93 90 90
WIND DIR SW W W W W W NW W W E SE SE SE E SE SE SE SE SE SE S S
WIND SPD 12 10 10 11 10 6 6 5 3 1 2 2 2 3 6 8 8 6 8 8 9 10
WIND GUST 37 35 35 35 33 27 25 19 13 13 13 16 23 26 27 26 28 27 32 35
CLOUDS FW CL CL FW FW FW SC B1 SC SC SC FW SC B1 B1 B2 B2 B2 B2 OV OV OV
CLOUDS(%) 13 4 2 7 11 6 35 55 41 34 32 21 39 52 60 76 79 86 86 88 92100
VSBY 10 10 10 10 10 10 10 10 10 9 9 10 10 10 9 9 9 6 2 2 7
POP 12HR 0 5 0 20 70
RAIN SHWRS IS IS NM NM NM NM O
MIX HGT 4 2 3 3 2 2 3 4 3 <1 <1 <1 <1 <1 2 2 3 2
T WIND DIR SW SW W W W W W NW W E SE SE SE SE S S S SE
T WIND SPD 32 11 12 12 12 10 20 16 5 4 6 8 8 9 19 21 21 10
DISPERSION FR FR FR FR VP VP VP VP PR PR PR PR
ADI 121 8 8 8 8 20 72 69 24 2 3 4 4 7 33 44 52 7
MAX LVORI 1 2 2 2 2 2 1 1 2 2 2 3 3 4 3 1 1 3
STABILITY C E E E E B B B B G G G G C D D D E
CEILING None None None None None None 2200 1700 700
STA PRES 27.68 27.75 27.88 27.90 27.94 27.91 27.91 27.82
Date 03/16Tue 03/17/26Wed 03/18/26Thu 03/19/26Fri 03/20/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 64 22 33 19 45 30 58 39 62
TEMP 60 49 29 24 32 27 23 22 43 39 34 32 55 51 43 41 60 53
DEWPT 52 30 15 9 7 3 6 9 12 18 20 23 33 35 35 36 37 36
RH 75 48 55 52 34 35 47 57 28 42 56 69 43 54 73 82 42 52
WIND SPD <15 15> 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B1 B2 B1 B1 SC SC SC SC SC B1 SC FW SC SC SC B1
POP 12HR 100 20 5 0 5 10 10 10 20
RAIN SHWRS O O IS IS
SNOWSHWRS IS
TSTMS IS
$$
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