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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EDT Wed Mar 11 2026
VAZ024-120800-
RAWS 441631
37.63N 79.51W Elev. 865 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 43 47 30 60 41
TEMP 84 79 73 69 61 47 43 42 45 43 38 34 32 32 46 56 59 55 51 48 45 42
DEWPT 59 57 56 56 48 39 33 26 20 18 19 20 21 21 25 27 29 31 32 32 32 31
MIN/MAX RH 78 36 68 31 68
RH 43 47 55 63 62 74 67 53 36 36 46 56 63 63 43 32 32 40 48 54 60 65
WIND DIR SW SW SW SW W NW NW NW NW NW W SW SW S S S SW SW SW W W W
WIND SPD 8 6 6 6 9 10 10 10 9 4 2 1 1 2 9 12 11 6 5 4 3 2
WIND GUST 21 23 21 21 25 28 24 23 23 16 23 27 28 23 20 17
CLOUDS SC B1 SC B1 OV OV OV B2 FW FW CL FW SC SC FW FW FW CL FW FW SC B1
CLOUDS(%) 33 60 41 67 88 95 94 76 19 9 2 12 31 26 17 21 20 5 10 23 43 54
VSBY 10 10 10 10 10 9 2 10 10 6 10 10 10 10 8 10 10 8 10 10 10 10
POP 12HR 90 80 0 0 0
RAIN L D C
RAIN SHWRS IS
MIX HGT 7 2 2 2 2 2 3 4 8 2 <1 <1 <1 1 3 5 6 2
T WIND DIR S S SW SW NW NW NW NW NW NW NW SW W S S S S SW
T WIND SPD 13 12 13 12 25 19 27 25 26 12 4 2 2 3 19 23 25 10
DISPERSION PR PR PR PR VP VP VP VP PR PR VP VP
ADI 99 8 9 8 34 43 66 98131 6 2 1 1 5 65 97114 5
MAX LVORI 1 2 2 3 3 4 3 1 1 2 2 3 3 3 1 1 1 2
STABILITY B E E E D D D C C F G G G B C C C F
CEILING None None 2900 2000 None None None None None None
STA PRES 28.34 28.26 28.29 28.47 28.53 28.64 28.65 28.61 28.46
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 65 40 64 49 63 27 44 24 49
TEMP 62 59 45 41 59 61 56 57 56 47 34 28 42 37 28 26 46 43
DEWPT 26 33 33 34 44 47 52 51 37 22 17 13 9 8 11 12 14 19
RH 25 37 62 76 57 60 86 80 49 37 49 53 25 29 48 55 27 38
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC FW SC SC B1
POP 12HR 0 0 10 60 70 20 10 5 5
RAIN SHWRS IS SC NM NM SC SC
$$
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