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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
400 AM EDT Tue Mar 10 2026
VAZ024-102000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
400 AM EDT Tue Mar 10 2026
Date Tue 03/10/26 Wed 03/11/26 Thu 03/12/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 81 59 84 52 54
TEMP 54 52 69 79 80 72 66 62 60 60 70 81 84 77 74 70 65 54 51 50 51 46
DEWPT 40 43 51 56 56 56 58 57 57 58 62 62 60 58 57 55 54 46 37 28 23 20
MAX/MIN RH 43 92 45 74 32
RH 59 71 53 45 44 57 75 84 90 93 76 53 44 52 55 59 68 74 59 42 33 35
WIND DIR W W SW SW SW S SW SW SW SW SW S SW SW SW SW W NW NW NW NW NW
WIND SPD 1 1 2 5 4 2 2 2 1 1 3 6 8 5 6 6 8 9 10 10 9 3
WIND GUST 18 21 21 23 23 24 26 26 24 21 14
CLOUDS FW FW CL SC FW FW FW FW SC B1 B1 B1 B1 SC B1 B2 OV OV B2 B2 B1 FW
CLOUDS(%) 19 12 4 38 20 17 20 25 39 61 65 57 57 43 63 83 90 92 86 75 55 21
VSBY 10 10 10 10 10 10 10 6 6 9 5 8 8 10 10 10 10 10 10 10 10 10
POP 12HR 30 10 40 70 70
RAIN SHWRS IS SC SC SC SC IS IS SC NM NM SC
MIX HGT <1 <1 2 5 3 <1 <1 <1 <1 <1 1 3 7 1 2 3 2 3 3 4 6 <1
T WIND DIR NW NW W SW SW SW SW SW SW W SW SW SW S SW SW SW NW NW NW NW N
T WIND SPD 3 3 5 10 13 9 3 3 2 1 4 12 20 11 10 11 9 24 21 20 21 20
DISPERSION VP VP VP VP VP PR PR PR PR VP
ADI 2 3 13 60 47 4 2 2 1 1 7 29 73 8 7 8 12 53 48 56 70 9
MAX LVORI 3 3 2 1 1 3 3 5 7 8 3 2 1 2 3 3 3 3 1 1 1 2
STABILITY G A B B B G G G G C C D D E E E D D D D D G
CEILING None None None None 0 None 0 0 0 None
STA PRES 28.60 28.55 28.55 28.50 28.48 28.36 28.34 28.30 28.47 28.55
Date Fri 03/13/26Sat 03/14/26Sun 03/15/26Mon 03/16/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 30 62 42 67 45 71 47 55
TEMP 36 32 57 56 49 43 63 57 48 46 65 65 57 49 50 42
DEWPT 21 22 23 29 31 32 30 34 36 38 49 51 51 41 26 19
RH 54 66 27 35 50 65 29 42 63 73 56 60 80 74 39 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC B1 SC FW B1 B2 B2 B2 OV B2 B2
POP 12HR 0 0 0 0 5 30 50 40
RAIN SHWRS SC SC SC 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