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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Mon Oct 5 2026
VAZ046-052000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1131 AM EDT Mon Oct 5 2026
Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26
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 77 46 69 42 76
TEMP 76 76 64 58 54 51 48 59 66 67 58 52 49 46 45 64 73 75 63
DEWPT 55 52 53 50 47 44 42 42 44 43 45 44 43 43 45 51 54 54 55
MAX/MIN RH 43 83 42 98 46
RH 48 43 67 75 77 77 80 53 45 42 62 74 80 89100 63 51 48 75
WIND DIR N N NE NE NE NE NE NE NE SE E SE SW SW SW SW SW SW S
WIND SPD 3 3 3 4 3 4 4 6 3 3 2 1 1 2 3 6 6 6 4
CLOUDS FW FW FW FW FW FW FW FW CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%) 6 11 8 13 14 16 18 10 4 1 2 1 0 0 1 1 1 1 4
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 4 5 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW N NE N N NE NE NE NE E E SE S W SW SW SW SW S
T WIND SPD 6 9 13 4 3 4 6 10 4 1 2 2 2 2 2 10 8 8 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 36 49 6 2 2 2 7 38 22 5 1 1 1 1 2 31 34 34 2
MAX LVORI 1 1 3 3 4 5 4 1 2 2 3 4 7 8 9 1 1 1 3
STABILITY B B G F G F B B B B G G G G B B B B F
CEILING None None None None None None None None None
STA PRES 29.34 29.42 29.45 29.49 29.40 29.40 29.37 29.34 29.25
Date Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 51 81 51 77 53 74 53 68
TEMP 54 53 80 66 56 53 75 64 57 54 73 64 56 54 67 61
DEWPT 53 51 55 54 50 48 50 51 50 50 51 52 51 51 55 56
RH 96 93 42 65 80 83 41 63 77 86 46 65 83 90 65 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW FW CL CL FW FW FW SC SC SC SC B1 B2 B2
POP 12HR 0 0 0 0 0 0 10 30
RAIN SHWRS 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