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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 PM EDT Sat Oct 3 2026
VAZ046-040800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1101 PM EDT Sat Oct 3 2026
Date 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue
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 64 57 74 49
TEMP 54 55 58 62 64 64 64 62 61 60 59 67 72 72 63 58 53 51 50
DEWPT 53 54 58 62 63 64 62 61 60 59 59 61 58 55 54 49 46 42 41
MIN/MAX RH 100 94 99 53 75
RH 96 96100100 97100 93 97 97 96100 81 61 55 72 72 77 71 71
WIND DIR NE NE N N N N NW W W NW N N N N NE NE NE NE NE
WIND SPD 5 5 4 4 3 2 1 1 1 2 2 4 4 3 3 5 5 5 5
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW SC SC FW FW FW
CLOUDS(%) 100100100100100100 99 97 96 96 87 61 29 24 29 27 15 20 8
VSBY 4 4 3 5 4 5 3 1 0 0 1 10 10 10 10 10 10 10
POP 12HR 50 40 5 0 0
DRIZZLE
RAIN S S C C S
RAIN SHWRS
Obvis PF PF PF
MIX HGT <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 2 4 5 <1
T WIND DIR N N N N N N NE SW S N N N NW N NE
T WIND SPD 10 9 10 6 4 4 3 1 1 0 3 6 5 4 4
DISPERSION PR PR VP VP VP VP VP PR PR PR
ADI 9 8 11 9 6 7 2 1 1 0 4 17 30 26 2
MAX LVORI 8 8 7 8 6 8 8 10 10 10 9 3 2 2 3
STABILITY D D D D D D F F F F B B B B G
CEILING 500 500 800 1100 14700 None None None
STA PRES 29.43 29.41 29.35 29.35 29.32 29.38 29.34
Date 10/06Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
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 42 72 49 77 51 77 52 74
TEMP 64 56 48 45 69 62 52 51 76 67 55 52 75 66 56 53 72 65
DEWPT 41 47 44 44 52 51 49 49 54 54 51 50 53 53 51 50 54 53
RH 43 72 86 96 55 67 89 93 46 63 86 93 46 63 83 89 53 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 20
RAIN SHWRS 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