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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Thu Mar 12 2026
VAZ018-122000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
802 AM EDT Thu Mar 12 2026
Date Thu 03/12/26 Fri 03/13/26 Sat 03/14/26
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 42 30 59 39 62
TEMP 37 38 42 37 34 32 31 32 45 56 58 53 50 47 43 40 50 59 60 52
DEWPT 31 24 18 17 17 19 20 20 23 27 29 30 30 32 31 30 29 28 31 34
MAX/MIN RH 38 64 31 68 30
RH 79 57 37 44 49 58 63 61 41 32 33 41 46 56 62 67 44 30 33 50
WIND DIR NW NW NW NW W W SW SW S SW SW SW W W W W W W SW SE
WIND SPD 13 11 11 6 3 2 2 4 12 14 13 11 9 9 6 4 5 5 4 2
WIND GUST 37 33 32 26 17 12 17 33 37 37 33 31 29 25 19 19 17 16 12
CLOUDS OV B1 FW CL FW FW SC SC FW SC FW FW CL FW FW SC B1 B1 B1 SC
CLOUDS(%) 88 67 10 4 9 6 46 33 17 34 11 9 4 11 22 39 56 54 52 46
VSBY 3 10 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10 10 10
POP 12HR 90 0 0 0 0
RAIN C
SNOW C
MIX HGT 2 4 6 4 1 <1 <1 <1 2 5 6 3 2 2 <1 <1 2 5 5 <1
T WIND DIR NW NW NW NW NW SW SW S S SW SW SW W W W W NW NW NW NW
T WIND SPD 34 31 32 16 12 3 4 5 18 24 28 10 11 12 12 19 23 19 12 2
DISPERSION PR VP VP VP FR PR PR PR VP
ADI 75110147 7 6 2 2 6 51 73 94 7 8 8 6 20 71 78 54 1
MAX LVORI 3 1 1 2 2 3 3 3 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY D C C F G G F B C D D E E E F B B C C F
CEILING 1400 None None None None None None None None None
STA PRES 27.71 27.80 27.88 27.86 27.79 27.67 27.70 27.76 27.89 27.92
Date Sun 03/15/26Mon 03/16/26Tue 03/17/26Wed 03/18/26
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 41 61 51 58 23 37 22 47
TEMP 46 42 58 57 56 56 50 37 29 24 35 31 26 24 44 38
DEWPT 35 36 43 45 50 51 40 21 13 9 8 5 8 10 15 22
RH 65 79 57 64 80 83 68 52 51 52 32 32 46 54 30 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC B1 B2 B2 B2 B2 B1 B1 SC FW FW SC B1 B1
POP 12HR 0 10 60 70 10 10 5 10
RAIN SHWRS SC NM NM NM
$$
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