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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EDT Wed Oct 28 2026
VAZ018-290800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1001 PM EDT Wed Oct 28 2026
Date 10/28/26 Thu 10/29/26 Fri 10/30/26 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 45 71 51 74 48
TEMP 50 49 47 49 60 70 69 58 54 52 52 52 66 74 71 57 53 51 50 49
DEWPT 50 49 47 46 50 48 47 47 46 45 44 43 52 54 51 47 45 42 42 41
MIN/MAX RH 100 43 77 48 74
RH 100100100 89 69 45 45 67 74 77 74 71 61 50 49 69 74 71 74 74
WIND DIR E S S W W W W W W NW NW NW NW NW NW NW NW NW N NE
WIND SPD 1 2 2 2 2 3 2 2 2 3 5 5 4 5 4 3 2 1 1 1
WIND GUST 17 18 16 16
CLOUDS B1 B1 B1 B2 SC FW CL CL CL FW CL FW FW FW FW FW FW SC SC B1
CLOUDS(%) 51 56 56 73 35 7 4 5 4 6 4 24 8 16 20 22 20 40 45 60
VSBY 8 7 6 3 10 10 10 10 10 3 3 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF PF
MIX HGT <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR S SW SW W W W W W W W NW NW NW NW NW NW
T WIND SPD 5 4 4 5 5 6 6 4 6 9 11 11 13 14 12 8
DISPERSION VP VP VP VP VP VP PR VP VP VP VP
ADI 3 2 2 6 9 28 21 2 3 4 5 12 34 74 52 4
MAX LVORI 6 6 6 6 3 2 2 3 3 4 4 3 1 1 1 3
STABILITY F F F A A B B G G G F B B B B G
CEILING 22600 None None None None None None None
STA PRES 28.06 28.04 27.99 28.00 28.00 28.02 28.02
Date 10/31Sun 11/01/26Mon 11/02/26Tue 11/03/26Wed 11/04/26
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 64 47 64 50 64 51 66 54 65
TEMP 63 57 50 48 63 56 52 51 62 56 53 52 65 58 55 54 64 58
DEWPT 46 43 41 40 45 44 44 45 52 50 49 49 56 52 51 52 57 54
RH 54 59 71 74 52 64 74 80 70 80 86 89 73 80 86 93 78 86
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 10 30 30 20 20 20 40
RAIN SHWRS SC SC SC IS IS IS IS 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