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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EDT Fri May 8 2026
VAZ018-082000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
431 AM EDT Fri May 8 2026
Date Fri 05/08/26 Sat 05/09/26 Sun 05/10/26
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 71 50 75 52 80
TEMP 41 46 61 68 70 60 54 51 50 54 66 72 73 65 58 54 52 57 74 79 77 68
DEWPT 29 30 32 33 33 36 35 36 39 44 48 47 48 48 47 46 46 49 51 48 49 51
MAX/MIN RH 25 69 39 81 33
RH 62 53 33 27 25 41 48 56 66 69 52 41 41 54 67 74 80 75 44 34 37 54
WIND DIR NW NW W W W W SW SW W SW SW W W W W W W W W W SW W
WIND SPD 3 2 4 5 5 1 3 3 3 3 6 9 9 4 3 3 2 2 3 4 4 2
WIND GUST 13 12 16 16 16 13 16 14 17 23 25 25 18 13 12 14 14 14
CLOUDS CL CL CL CL CL FW FW FW SC B2 B1 B1 FW FW FW FW SC FW FW SC SC SC
CLOUDS(%) 2 1 1 3 5 11 8 25 47 81 55 53 21 9 12 21 30 24 10 30 34 42
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 10
POP 12HR 0 0 10 0 20
RAIN SHWRS IS IS IS
TSTMS IS IS
MIX HGT <1 <1 4 7 7 <1 <1 <1 <1 <1 5 7 6 <1 <1 <1 <1 <1 5 8 6 <1
T WIND DIR NW W W W W S S S SW SW W W W W SW W W W W SW W S
T WIND SPD 5 4 16 13 13 5 9 6 5 11 21 21 21 6 5 4 5 4 11 12 12 2
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 3 5 89119121 3 4 3 3 13 89101146 3 3 2 3 4 71116 92 1
MAX LVORI 3 2 1 1 1 2 2 3 3 3 1 1 1 2 3 4 4 4 1 1 1 2
STABILITY G A A A A G G G F B C C B F G G G A A A A F
CEILING None None None None 2900 None None None None None
STA PRES 27.77 27.68 27.67 27.62 27.61 27.61 27.69 27.73 27.75 27.69
Date Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
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 56 66 41 68 48 68 49 69
TEMP 59 57 62 57 43 44 65 59 50 51 65 61 52 52 67 62
DEWPT 50 51 46 37 34 33 34 36 36 42 49 47 44 45 46 44
RH 72 80 56 47 70 65 31 42 58 71 56 60 74 77 47 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B1 FW FW CL FW SC B1 B2 B2 B1 SC B1 SC
POP 12HR 50 70 5 0 30 70 30 20
RAIN SHWRS IS SC NM SC SC NM NM SC IS IS IS
TSTMS IS 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