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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
416 AM EDT Sun Mar 8 2026
VAZ046-082100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
416 AM EDT Sun Mar 8 2026
Date Sun 03/08/26 Mon 03/09/26 Tue 03/10/26
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 74 48 75 49 80
TEMP 65 64 69 73 72 65 59 54 49 49 63 72 75 68 60 56 52 50 68 78 79 72
DEWPT 60 60 59 56 54 51 48 44 42 42 47 48 49 48 48 46 45 45 49 50 51 51
MAX/MIN RH 52 78 39 83 36
RH 84 87 70 55 53 60 67 69 77 77 56 42 40 49 64 69 77 83 51 37 38 48
WIND DIR SW SW W W W W W W W W W SW SW S SW W W W SW SW S S
WIND SPD 10 9 10 10 9 4 3 2 2 2 3 5 5 3 3 3 2 2 4 6 6 4
WIND GUST 23 20 21 21
CLOUDS B2 B2 B2 B2 B2 B1 FW FW FW FW FW FW FW CL CL FW FW FW CL FW FW CL
CLOUDS(%) 75 77 75 80 83 57 15 8 8 20 12 7 8 5 5 7 8 9 4 6 8 5
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 60 0 5 0 10
RAIN SHWRS SC IS IS NM
TSTMS IS IS
MIX HGT 2 1 3 3 3 <1 <1 <1 <1 <1 1 5 6 <1 <1 <1 <1 <1 <1 4 5 <1
T WIND DIR SW S W W W W NW NW W W SW SW SW SW SW SW SW SW W W SW S
T WIND SPD 9 8 16 29 20 5 3 2 2 5 10 12 10 2 2 3 3 4 9 9 11 4
DISPERSION FR VP VP VP VP VP VP VP VP VP
ADI 10 11 38 99 65 4 2 1 1 6 18 69 67 1 1 2 2 5 11 46 67 2
MAX LVORI 4 5 3 1 1 3 3 3 4 4 2 1 1 2 3 3 4 4 2 1 1 2
STABILITY D D D C C E G G G B B B B G G G G B B B B F
CEILING 1000 8000 None None None None None None None None
STA PRES 29.24 29.28 29.37 29.39 29.41 29.33 29.36 29.36 29.41 29.36
Date Wed 03/11/26Thu 03/12/26Fri 03/13/26Sat 03/14/26
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 58 83 48 62 33 59 45 66
TEMP 64 59 81 78 71 52 54 46 38 34 56 56 52 46 63 59
DEWPT 54 56 61 58 57 49 25 15 19 20 23 28 33 33 33 36
RH 70 90 51 50 61 89 32 28 46 56 27 34 48 60 32 42
WIND SPD <15 <15 15> 15> <15 <15 <15 <15
AVG CLOUDS FW B1 B2 B2 B2 B2 B2 SC FW SC FW SC SC B1 B1 SC
POP 12HR 5 10 60 50 5 5 10 5
RAIN SHWRS IS NM 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