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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 30 2026
VAZ012-310800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Fri Oct 30 2026
Date 10/30/26 Sat 10/31/26 Sun 11/01/26 Mon
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 42 66 42 64 40
TEMP 50 48 46 44 55 62 64 53 50 47 44 43 54 61 62 51 48 46 43 42
DEWPT 38 35 33 35 40 38 37 40 39 38 37 36 39 35 32 37 36 36 36 37
MIN/MAX RH 78 35 79 31 83
RH 63 60 60 70 57 41 37 61 66 71 76 76 57 38 32 59 63 68 76 82
WIND DIR N NE E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 1 1 1 1 2 2 1 1 1 1 1 1 2 2 2 1 1 1 1 1
CLOUDS FW SC SC SC B2 B2 B2 OV OV B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1
CLOUDS(%) 25 38 32 42 81 87 83 95 95 85 91 87 81 77 73 83 75 74 69 68
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 10
MIX HGT <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR NW N NE SE SE SE SE SE SE SE SE SE SE SE SE SE
T WIND SPD 2 2 2 1 6 6 6 4 4 5 5 4 12 11 10 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 1 1 11 15 11 2 2 3 3 5 25 32 23 2
MAX LVORI 3 3 4 5 2 2 2 3 3 3 4 4 2 1 2 3
STABILITY G G G A B B A F F F F B B B B F
CEILING None None 17700 19200 15400 11700 9300 8300 8900
STA PRES 27.53 27.56 27.62 27.59 27.62 27.62 27.64 27.58
Date 11/02Tue 11/03/26Wed 11/04/26Thu 11/05/26Fri 11/06/26
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 43 66 51 66 53 66 49 62
TEMP 60 54 47 45 63 57 53 53 63 59 56 55 64 58 53 51 60 53
DEWPT 42 45 44 44 49 51 51 53 57 57 55 55 57 55 52 50 51 49
RH 51 71 89 96 60 80 93100 81 93 96100 78 90 96 96 72 86
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 OV B2 B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR 10 0 5 5 50 60 60 40 40
RAIN SHWRS SC SC SC NM NM NM SC 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