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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Wed Mar 11 2026
VAZ018-112000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
802 AM EDT Wed Mar 11 2026
Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 81 39 47 30 60
TEMP 71 80 81 73 69 63 48 41 40 44 45 40 36 34 32 32 45 57 59 52
DEWPT 60 60 56 54 53 55 45 34 29 23 18 17 17 18 19 19 20 23 26 26
MAX/MIN RH 44 91 33 60 26
RH 68 51 42 51 57 75 89 76 64 43 33 39 45 51 58 58 36 27 28 36
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW W SW S S SW SW SW
WIND SPD 5 8 9 8 10 11 14 18 14 12 10 6 2 2 2 4 10 12 12 9
WIND GUST 21 26 29 28 32 34 41 48 41 35 32 23 14 13 19 31 35 36 32
CLOUDS B1 B1 B1 SC B1 OV B2 OV B2 B1 SC CL CL FW SC SC SC SC SC FW
CLOUDS(%) 52 53 55 33 66 90 86 88 82 69 28 5 1 13 39 42 33 36 29 23
VSBY 10 10 10 10 10 8 8 6 7 10 10 9
POP 12HR 40 90 30 0 0
RAIN SHWRS SC SC SC SC O NM SC SC
TSTMS IS IS
MIX HGT <1 5 6 3 3 2 2 2 3 5 6 3 <1 <1 <1 <1 2 6 6 3
T WIND DIR SW SW SW SW SW SW NW NW NW NW NW NW NW NW W S S SW SW SW
T WIND SPD 23 28 28 12 12 18 32 27 28 25 26 24 10 1 3 4 16 19 21 10
DISPERSION PR FR FR GD PR VP VP VP PR
ADI 25 88 96 8 17 25 36 55 67109115 11 5 1 2 6 44 89 98 7
MAX LVORI 3 1 1 2 2 3 4 3 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY D D D E D D D D D C C F G G G B C C C E
CEILING None None 18000 2200 2100 None None None None None
STA PRES 27.73 27.62 27.56 27.62 27.75 27.83 27.92 27.92 27.91 27.77
Date Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 38 62 41 62 45 52 23 39
TEMP 47 39 59 52 45 42 57 58 58 49 45 35 29 24 37 31
DEWPT 29 28 26 30 32 34 45 47 51 43 29 17 13 9 7 6
RH 49 64 28 43 60 73 64 67 77 80 53 47 51 52 28 34
WIND SPD <15 <15 <15 <15 <15 15> <15 <15
AVG CLOUDS FW SC FW SC SC SC B2 B2 B2 B2 B2 B1 SC SC SC SC
POP 12HR 0 0 0 20 60 50 20 10
RAIN SHWRS IS SC NM SC SC
SNOWSHWRS SC 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