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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EDT Wed Mar 11 2026
VAZ018-120800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
232 PM EDT Wed Mar 11 2026
Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat
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 38 40 30 60 39
TEMP 82 75 69 66 51 39 36 39 40 38 35 33 31 32 45 56 59 53 50 48 43 39
DEWPT 56 53 54 55 41 33 28 23 18 16 17 19 19 20 22 26 28 29 30 32 32 30
MIN/MAX RH 79 40 64 30 70
RH 41 46 59 68 68 79 72 52 41 40 47 56 61 61 40 31 30 39 46 54 65 70
WIND DIR SW SW SW W NW NW NW NW NW NW NW W SW S S SW SW SW W W W W
WIND SPD 9 8 9 10 16 18 14 12 11 6 2 2 2 4 10 12 11 9 8 8 6 5
WIND GUST 29 29 31 33 42 47 41 35 32 24 14 12 18 31 34 34 29 28 26 24 19
CLOUDS SC B1 SC B2 OV OV OV B1 FW FW CL FW SC FW FW SC FW CL CL FW SC SC
CLOUDS(%) 29 53 45 76 93 92 90 67 11 8 2 17 36 20 14 26 23 5 5 19 40 41
VSBY 10 10 10 9 8 5 7 10 10 9 10 10 10 10 9 10 10 9 10 10 10 10
POP 12HR 90 60 0 0 0
RAIN D L S
RAIN SHWRS IS NM
MIX HGT 6 2 2 2 2 2 3 4 6 3 <1 <1 <1 <1 2 5 5 3
T WIND DIR SW SW SW SW NW NW NW NW NW NW NW SW SW S S S SW SW
T WIND SPD 27 10 12 13 29 26 31 29 29 14 11 2 3 4 17 19 23 10
DISPERSION PR PR FR GD PR VP VP VP PR PR PR PR
ADI 127 14 17 19 33 48 68 85134 7 5 1 2 5 48 83 93 7
MAX LVORI 1 2 2 3 3 4 3 1 1 2 2 3 3 3 1 1 1 2
STABILITY C D D D D D D D C F G G G B C C C E
CEILING None 18000 1900 1500 None None None None None None
STA PRES 27.62 27.55 27.61 27.74 27.79 27.89 27.89 27.84 27.71
Date 03/14Sun 03/15/26Mon 03/16/26Tue 03/17/26Wed 03/18/26
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 62 40 62 45 60 24 39 23 46
TEMP 59 55 44 42 58 57 53 53 50 41 30 25 36 32 26 25 44 40
DEWPT 26 32 33 34 43 45 49 47 33 18 14 10 7 6 9 12 14 19
RH 28 41 65 73 57 64 86 80 52 39 51 52 29 33 48 57 29 42
WIND SPD <15 <15 <15 <15 15> 15> <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC FW SC SC B1
POP 12HR 0 0 10 70 70 20 10 10 10
RAIN SHWRS IS SC NM NM SC
SNOWSHWRS SC 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