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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Mar 10 2026
VAZ024-110800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Tue Mar 10 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 85 46 54 31
TEMP 80 74 67 62 59 60 72 82 84 78 73 69 57 46 51 49 50 45 39 35 32 32
DEWPT 54 54 55 56 56 57 62 61 60 58 56 54 51 41 35 27 20 17 19 20 21 21
MIN/MAX RH 90 44 85 29 67
RH 41 50 65 81 90 90 71 49 44 50 55 59 80 83 54 42 30 32 44 54 63 63
WIND DIR SW S W W SW SW SW SW SW SW SW W W NW NW NW NW NW NW W S S
WIND SPD 4 2 2 1 1 1 3 6 8 5 6 6 8 10 11 11 9 3 2 1 1 2
WIND GUST 17 20 21 23 23 25 28 28 25 24 14
CLOUDS FW FW FW FW SC B1 B1 SC SC SC B1 B2 OV OV B2 B1 FW FW CL FW SC SC
CLOUDS(%) 9 24 6 25 43 66 57 48 43 35 58 86 91 93 85 68 16 6 2 9 35 46
VSBY 10 10 10 10 10 10 10 10 10 10 8 8 10 10 8 8 8 8
POP 12HR 10 30 80 60 0
RAIN D L L
RAIN SHWRS IS SC IS IS IS O
TSTMS IS IS
MIX HGT 6 <1 <1 <1 <1 <1 2 4 7 2 2 2 2 3 3 5 8 1
T WIND DIR SW S S SW W W SW SW SW SW SW W NW NW NW NW NW NW
T WIND SPD 10 4 3 3 2 1 8 21 25 16 12 17 24 24 23 20 18 5
DISPERSION VP VP VP VP PR PR PR PR VP VP VP VP
ADI 71 2 2 2 1 1 17105193 7 8 12 32 72 73 82 91 3
MAX LVORI 1 2 3 5 7 7 3 1 1 2 2 2 3 4 1 1 1 2
STABILITY B G G G F C B B B F E E D C C C C G
CEILING None None None None None 9100 2600 14100 None None
STA PRES 28.53 28.55 28.51 28.47 28.34 28.32 28.43 28.60 28.64
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 61 41 67 42 70 48 58 25 42
TEMP 57 57 50 42 62 59 47 44 65 66 61 50 51 42 31 26 40 37
DEWPT 24 29 31 29 27 33 34 37 49 50 54 47 31 21 14 9 7 8
RH 28 34 48 60 26 37 60 76 56 56 78 89 46 43 49 48 25 29
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC B1 SC SC SC B2 B2 B2 B2 B2 B2 SC FW SC SC
POP 12HR 0 0 0 0 30 70 60 20 10
RAIN SHWRS SC SC NM NM SC IS
SNOWSHWRS 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