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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EDT Thu Mar 12 2026
VAZ018-130800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
232 PM EDT Thu Mar 12 2026
Date 03/12/26 Fri 03/13/26 Sat 03/14/26 Sun
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 30 59 39 62 41
TEMP 43 37 35 31 30 31 44 55 58 53 50 46 42 39 50 59 62 54 48 46 42 41
DEWPT 20 17 19 19 20 20 25 29 31 31 32 31 30 29 30 29 31 34 34 34 34 35
MIN/MAX RH 66 35 68 30 78
RH 39 44 52 61 66 63 47 37 36 43 50 55 62 67 46 32 31 46 58 63 73 79
WIND DIR NW NW NW W W SW S SW SW W W W W W W W W SE SE SE SE SE
WIND SPD 11 6 3 2 2 4 10 12 12 10 10 10 6 5 5 4 3 2 2 2 2 2
WIND GUST 33 27 17 13 18 31 35 36 34 32 31 26 20 20 16 13 13 13 13
CLOUDS CL CL CL FW SC SC FW FW FW FW FW FW FW SC SC B1 B1 SC SC FW FW SC
CLOUDS(%) 3 5 2 12 46 34 13 12 8 6 9 9 21 36 42 53 52 45 27 22 24 34
VSBY 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10 9 9 9 9 10 10
POP 12HR 0 0 0 0 0
MIX HGT 6 3 <1 <1 <1 <1 2 5 6 4 3 2 <1 <1 2 4 5 <1
T WIND DIR NW NW NW SW SW S S SW SW SW W W W W NW W SW E
T WIND SPD 31 11 5 3 4 6 21 27 29 11 10 10 12 10 19 11 6 3
DISPERSION PR VP VP VP FR FR FR PR VP VP VP VP
ADI 138 5 3 2 2 7 59113131 8 7 7 6 11 61 43 41 2
MAX LVORI 1 2 2 3 3 3 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY C F G G F B C C C E E E F B B C B F
CEILING None None None None None None None None None None
STA PRES 27.78 27.87 27.86 27.78 27.64 27.69 27.77 27.87 27.89
Date 03/15Mon 03/16/26Tue 03/17/26Wed 03/18/26Thu 03/19/26
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 59 50 64 23 36 22 45 30 54
TEMP 57 56 54 56 58 45 29 24 33 29 24 23 42 38 33 32 51 47
DEWPT 45 47 51 54 45 22 12 7 5 2 4 7 8 15 18 21 30 32
RH 64 72 90 93 62 40 48 47 30 31 41 50 24 38 53 63 44 56
WIND SPD <15 <15 15> 15> 15> <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 OV OV B2 B1 B1 SC SC SC SC SC B1 SC SC B1 B1
POP 12HR 20 70 90 20 5 5 10 10 20
RAIN SHWRS IS NM NM O NM
SNOWSHWRS IS 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