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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed May 6 2026
VAZ012-062000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Wed May 6 2026
Date Wed 05/06/26 Thu 05/07/26 Fri 05/08/26
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 69 51 58 36 67
TEMP 61 66 67 63 58 55 52 52 53 55 56 52 47 41 37 41 55 63 66 59
DEWPT 56 58 57 56 54 52 50 50 49 47 44 41 38 36 33 35 33 33 34 37
MAX/MIN RH 63 96 62 86 30
RH 84 75 70 78 86 90 93 93 86 74 64 66 71 82 85 79 43 32 30 44
WIND DIR SW W W W W W NW NW NW NW NW NW NW NW NW W W SW SW SW
WIND SPD 10 11 9 5 4 1 1 4 4 4 6 5 2 1 1 1 1 2 3 2
WIND GUST 23 23 19
CLOUDS OV OV OV OV OV OV OV OV B2 B2 B1 SC SC FW FW FW CL FW FW FW
CLOUDS(%) 100100 90 98 95 96 95 88 71 78 59 30 31 19 14 8 4 13 11 18
VSBY 6 7 6 3 4 5 4 5 6 6 6 7 7 10 10 10 10 10 10 10
POP 12HR 80 100 40 0 0
RAIN SHWRS NM SC EC O NM O IS IS
TSTMS SC SC
Obvis PF PF PF PF
MIX HGT 3 3 3 <1 <1 1 <1 1 2 2 4 <1 <1 <1 <1 1 4 6 7 <1
T WIND DIR SW W W SW SW NW NW NW N NW NW NW NW NW W NW W W SW S
T WIND SPD 21 24 24 6 4 3 3 8 9 10 16 11 18 6 4 6 11 11 12 8
DISPERSION PR VP VP VP PR VP VP VP VP
ADI 48 57 54 6 4 3 3 13 19 28 59 5 8 3 2 11 62 90101 4
MAX LVORI 4 3 3 4 5 6 6 5 4 3 1 3 3 5 6 4 1 1 1 2
STABILITY D D D D D D D C C C C F G G G A A A A G
CEILING 1300 1200 700 700 700 None None None None None
STA PRES 27.09 27.12 27.12 27.09 27.10 27.09 27.16 27.20 27.22 27.13
Date Sat 05/09/26Sun 05/10/26Mon 05/11/26Tue 05/12/26
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 43 72 49 74 50 63 39 64
TEMP 46 48 67 64 51 53 70 67 56 52 60 57 42 43 61 59
DEWPT 39 43 46 48 47 48 51 54 52 47 43 38 36 35 36 38
RH 76 83 47 56 86 83 51 63 86 83 53 49 79 73 39 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW SC SC B1 B2 B2 B1 B1 SC SC FW SC
POP 12HR 5 10 5 50 70 40 5 5
RAIN SHWRS IS SC NM NM SC IS
TSTMS SC IS 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