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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri May 8 2026
VAZ018-090800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Fri May 8 2026
Date 05/08/26 Sat 05/09/26 Sun 05/10/26 Mon
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 51 76 52 81 56
TEMP 54 52 51 55 67 73 74 66 59 54 53 57 75 80 79 70 64 60 58 57
DEWPT 37 38 40 44 49 48 48 48 48 47 46 50 51 48 48 51 52 51 51 52
MIN/MAX RH 68 39 78 32 84
RH 52 59 66 66 52 41 40 52 67 77 77 77 43 33 34 51 65 72 77 83
WIND DIR SW SW W W SW W W W W W W W W W SW W W NW NW NW
WIND SPD 4 4 3 3 6 8 8 3 2 3 3 2 4 4 4 2 1 2 2 3
WIND GUST 17 17 16 17 20 23 23 14 12 13 12 17 14 14 12 16
CLOUDS FW SC SC B2 SC B1 B1 FW FW CL CL CL FW FW SC B1 B1 B2 B2 B2
CLOUDS(%) 20 40 35 76 42 55 51 25 6 3 5 5 6 22 36 51 53 82 82 84
VSBY 10 10 10 10 10 10 10 10 9 9 8 10 10 10 10 9 9 4 2 4
POP 12HR 0 10 5 5 70
RAIN SHWRS NM NM O
MIX HGT <1 <1 <1 <1 5 6 5 <1 <1 <1 <1 <1 5 7 5 <1
T WIND DIR S SW SW SW W SW W W W W W W W SW SW SW
T WIND SPD 8 6 4 6 14 18 20 12 5 4 4 4 11 10 12 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 3 2 7 88 84 86 6 3 2 2 4 69 87 81 3
MAX LVORI 2 3 3 3 1 1 1 2 3 4 4 4 1 1 1 2
STABILITY F F G B B C C G G G G A A A A F
CEILING None None 3200 None None None None None 700
STA PRES 27.69 27.66 27.66 27.63 27.71 27.75 27.76 27.71
Date 05/11Tue 05/12/26Wed 05/13/26Thu 05/14/26Fri 05/15/26
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 39 66 47 69 48 68 47 75
TEMP 64 57 43 44 64 59 49 50 67 62 52 52 66 61 50 51 72 67
DEWPT 48 37 34 33 33 36 35 40 49 48 45 44 44 42 40 42 45 46
RH 56 47 70 65 31 42 58 68 52 60 77 74 45 49 68 71 38 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC CL CL FW FW B1 B2 B1 B1 SC SC SC SC SC SC SC
POP 12HR 80 5 0 20 60 30 10 5 5
RAIN SHWRS O IS IS NM SC SC
TSTMS IS 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