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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Sat Oct 3 2026
VAZ018-032000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1101 AM EDT Sat Oct 3 2026
Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26
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 65 56 64 54 70
TEMP 60 58 56 56 56 56 56 60 64 64 59 59 59 57 54 62 69 67 55
DEWPT 59 58 56 55 55 55 55 59 63 63 59 59 59 56 53 54 51 48 46
MAX/MIN RH 94 100 94 100 48
RH 96100100 96 96 96 96 96 97 97100100100 96 96 75 53 50 72
WIND DIR E E E E E E E E SE S SW W NW NW NW NW NW NW NW
WIND SPD 4 4 4 3 3 2 2 2 2 1 1 2 3 5 5 5 6 6 5
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW FW
CLOUDS(%) 100100100100100 96 97 99100 99 96 99 99 82 41 27 16 10 9
VSBY 2 4 4 3 2 1 2 4 5 7 4 2 10 10 10 10 10 10 10
POP 12HR 90 50 50 0 0
RAIN C C S C C C S
RAIN SHWRS NM NM
Obvis PF
MIX HGT 1 1 <1 1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NE NE NE E E NE NE E S SW SW W NW NW NW NW NW NW NW
T WIND SPD 9 8 8 8 4 2 2 2 2 3 1 2 5 8 10 16 12 11 13
DISPERSION VP VP VP VP VP VP VP PR PR
ADI 14 11 4 7 4 2 3 2 3 5 1 2 5 4 11 50 59 51 6
MAX LVORI 5 7 9 6 6 8 8 9 9 7 8 8 6 6 5 3 1 1 3
STABILITY C C F D D D D C D D D D D F D B B B F
CEILING 100 200 100 100 100 500 1100 None None
STA PRES 27.95 27.96 27.92 27.90 27.85 27.85 27.84 27.88 27.88
Date Tue 10/06/26Wed 10/07/26Thu 10/08/26Fri 10/09/26
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 46 67 43 71 47 75 49 75
TEMP 49 46 65 52 47 44 69 58 50 48 74 61 53 50 74 62
DEWPT 44 41 46 44 41 39 50 47 44 43 52 49 47 44 51 48
RH 83 83 50 74 79 82 51 67 80 83 46 65 80 80 44 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0
$$
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