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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Wed Mar 11 2026
VAZ018-120800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 AM EDT Wed Mar 11 2026
Date 03/10/26 Wed 03/11/26 Thu 03/12/26 Fri
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 59 82 40 48 31
TEMP 64 64 61 71 80 81 73 70 63 50 40 45 44 45 40 36 33 32 32
DEWPT 55 57 58 61 60 56 53 53 52 47 37 31 25 19 16 18 19 19 19
MIN/MAX RH 87 43 95 34 61
RH 73 78 90 71 51 42 49 55 67 89 89 58 47 35 37 47 56 58 58
WIND DIR W W W SW SW SW SW SW W NW NW NW NW NW NW NW W S S
WIND SPD 5 5 2 5 8 9 8 9 10 14 18 16 13 11 5 2 2 2 4
WIND GUST 14 19 25 28 27 31 33 39 47 43 36 32 23 14 12 18
CLOUDS SC OV B2 B1 SC SC B1 B1 OV OV OV B2 B1 FW FW CL CL SC SC
CLOUDS(%) 38 96 72 59 50 48 59 59 96 96 89 82 58 14 6 1 4 45 47
VSBY 10 10 10 10 10 10 10 9 9 8 9 9 9 9 9
POP 12HR 10 40 90 50 0
RAIN D C C
RAIN SHWRS SC SC IS SC SC O
TSTMS IS
MIX HGT <1 <1 <1 2 5 7 3 2 3 1 2 3 4 7 2
T WIND DIR W W S SW SW SW SW SW NW NW NW NW NW NW NW
T WIND SPD 5 5 3 14 25 34 13 14 27 29 27 27 25 20 13
DISPERSION PR PR PR PR FR GD PR VP VP VP
ADI 3 3 3 36150162 19 20 37 33 52 62 96 96 6
MAX LVORI 4 6 6 3 1 1 2 2 3 4 4 1 1 1 2
STABILITY G F C C B C D D D D D D C C F
CEILING 3900 6500 None 11200 1500 12200 None None
STA PRES 27.79 27.74 27.63 27.63 27.72 27.87 27.90
Date 03/13Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
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 39 64 43 68 43 54 22 38
TEMP 57 55 47 39 60 56 47 44 64 63 59 45 44 36 28 23 36 32
DEWPT 23 28 29 27 28 33 35 37 48 48 51 42 27 18 12 8 7 6
RH 27 35 49 62 29 42 63 76 56 58 75 89 51 47 50 52 29 33
WIND SPD <15 <15 <15 <15 <15 <15 15> <15 <15
AVG CLOUDS SC SC FW FW SC SC SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 0 0 0 5 30 80 60 20 10
RAIN SHWRS SC SC O NM 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