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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EDT Wed Mar 11 2026
VAZ012-120800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
702 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 37 41 24 58 36
TEMP 71 65 60 49 40 36 38 41 37 31 28 26 26 45 56 58 52 46 43 40 36
DEWPT 53 56 56 43 35 27 22 17 16 16 17 17 16 20 23 26 28 30 31 31 30
MIN/MAX RH 86 37 69 26 79
RH 53 73 87 80 82 69 52 37 42 53 63 68 65 36 27 29 39 53 62 70 79
WIND DIR W W W NW NW NW NW NW NW NW SW S S S SW SW SW W W W W
WIND SPD 14 11 11 13 16 18 17 17 11 6 1 2 3 6 8 8 6 5 4 3 2
WIND GUST 17 20 20
CLOUDS B1 B1 OV OV OV OV SC FW FW CL FW FW FW FW SC FW CL CL FW SC SC
CLOUDS(%) 63 65 90 92 95 93 45 10 10 4 19 18 7 14 30 22 5 5 11 29 40
VSBY 10 10 10 5 3 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 80 0 0 0
RAIN SHWRS IS O O O IS
SNOWSHWRS IS
MIX HGT 2 2 2 2 2 2 5 6 1 <1 <1 <1 <1 3 5 4 2
T WIND DIR SW SW SW NW NW NW NW NW NW NW SW S S S SW SW SW
T WIND SPD 10 13 16 19 25 27 27 29 10 8 3 3 6 13 21 23 9
DISPERSION GD FR FR FR FR PR VP VP PR PR VP VP
ADI 7 9 11 22 47 58153190 5 4 2 2 8 47122116 4
MAX LVORI 3 3 4 4 4 1 1 1 2 2 3 3 3 1 1 1 2
STABILITY E E E D D D B B G G G G B B B B F
CEILING 9400 1000 700 None None None None None None
STA PRES 27.06 27.11 27.22 27.26 27.33 27.31 27.28 27.18
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 63 39 65 40 56 19 37 19 47
TEMP 60 54 43 40 63 59 52 49 47 37 24 19 36 29 22 21 45 38
DEWPT 29 35 35 36 44 46 49 44 29 17 12 7 5 5 8 9 15 20
RH 31 48 73 85 50 62 89 83 49 44 60 59 27 35 54 59 29 48
WIND SPD <15 <15 <15 <15 15> <15 <15 <15 <15
AVG CLOUDS SC SC FW SC B1 B2 B2 B2 B2 B1 B1 B2 B1 SC FW SC B1 B1
POP 12HR 0 5 20 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