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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 PM EDT Tue Oct 6 2026
VAZ018-070800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
531 PM EDT Tue Oct 6 2026
Date 10/06/26 Wed 10/07/26 Thu 10/08/26 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 47 77 55 78 50
TEMP 52 49 48 47 47 64 74 74 60 56 56 56 55 71 77 75 61 56 55 52 51
DEWPT 46 45 44 43 44 53 54 53 51 50 50 50 50 55 55 53 50 50 48 47 46
MIN/MAX RH 91 45 82 45 84
RH 80 86 86 86 89 67 50 48 72 80 80 80 83 57 47 46 67 80 77 83 83
WIND DIR S SW SW W W W W W W W W W W W W W W W W W NW
WIND SPD 2 1 1 1 2 2 4 4 2 4 4 5 5 5 6 6 3 2 2 2 2
WIND GUST 14 16 17 19 20 19
CLOUDS CL FW FW FW FW FW FW FW CL FW FW CL FW CL FW FW FW FW FW FW FW
CLOUDS(%) 5 11 15 15 22 18 11 7 4 9 11 5 6 4 9 8 6 12 15 13 22
VSBY 10 10 10 10 5 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR S S S S SW W W W SW W W W W NW W W W
T WIND SPD 3 3 2 2 2 14 10 9 2 3 4 4 4 20 13 13 3
DISPERSION VP VP VP VP VP VP VP PR VP VP VP VP
ADI 2 2 1 1 2 43 46 44 1 2 2 2 5 78 78 82 2
MAX LVORI 5 5 5 6 6 1 1 1 3 5 5 5 4 1 1 1 3
STABILITY G G G G B B B B G F F F B B B B G
CEILING None None None None None None None None None
STA PRES 27.86 27.84 27.80 27.74 27.76 27.75 27.77 27.75
Date 10/09Sat 10/10/26Sun 10/11/26Mon 10/12/26Tue 10/13/26
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 76 52 72 54 65 58 71 57 76
TEMP 75 61 55 53 70 60 55 55 62 59 59 58 69 63 59 57 73 65
DEWPT 48 47 46 45 53 51 51 51 60 58 58 58 63 60 57 56 61 58
RH 38 60 72 74 55 72 86 86 93 96 96100 81 90 93 96 66 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC
POP 12HR 0 0 5 50 70 60 30 10 10
RAIN SHWRS IS SC NM NM NM SC SC 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