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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed May 6 2026
VAZ018-070800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Wed May 6 2026
Date 05/06/26 Thu 05/07/26 Fri 05/08/26 Sat
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 54 65 41 70 50
TEMP 61 58 55 54 57 62 64 56 50 45 42 45 61 67 69 62 54 51 51 54
DEWPT 55 52 49 48 47 45 41 38 36 33 32 34 36 37 37 39 38 39 40 44
MIN/MAX RH 83 43 67 30 69
RH 81 80 80 80 69 54 43 51 58 62 67 65 39 33 31 43 54 63 66 69
WIND DIR W W NW NW NW W NW NW NW NW NW W W W W S SW SW SW SW
WIND SPD 3 3 2 3 4 4 8 5 4 3 2 2 3 6 6 2 3 3 3 4
WIND GUST 13 14 14 14 19 19 18 14 14 18 19 12 14 16 14 17
CLOUDS OV OV OV B2 B2 B2 SC FW FW CL CL CL CL FW FW FW FW SC B1 B1
CLOUDS(%) 92 89 88 77 87 83 36 13 7 3 3 2 1 11 15 12 14 37 56 69
VSBY 2 0 1 2 8 7 10 10 10 9 9 10 10 10 10 10
POP 12HR 60 60 0 0 5
RAIN SHWRS SC NM SC IS SC SC
TSTMS
MIX HGT <1 <1 <1 1 3 4 5 1 <1 <1 <1 1 5 7 7 <1
T WIND DIR NW W W N NW W W W NW NW NW NW W W SW S
T WIND SPD 2 10 10 9 6 6 9 16 10 8 5 5 13 11 11 11
DISPERSION VP VP VP PR VP VP VP VP VP VP VP
ADI 1 5 5 13 20 25 50 7 5 4 3 9 81 88 89 5
MAX LVORI 5 4 4 4 3 2 1 2 3 3 3 3 1 1 1 2
STABILITY F F F B C C B F F G G A A B B G
CEILING 1500 500 1500 None None None None None None
STA PRES 27.63 27.63 27.63 27.61 27.70 27.74 27.76 27.67
Date 05/09Sun 05/10/26Mon 05/11/26Tue 05/12/26Wed 05/13/26
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 75 52 79 57 68 44 70 51 76
TEMP 71 66 54 57 75 69 61 57 65 58 46 46 66 62 53 54 73 68
DEWPT 49 49 46 50 52 54 53 50 44 37 34 35 38 40 40 44 49 48
RH 46 54 74 77 45 59 75 77 46 45 63 65 36 44 61 69 43 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 FW FW FW SC B1 B2 B2 SC SC FW FW FW FW SC B1 SC B1
POP 12HR 10 0 40 70 20 0 5 20 30
RAIN SHWRS IS SC NM NM IS IS IS IS SC
TSTMS IS 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