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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
254 AM EST Sun Nov 1 2026
VAZ018-020800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
254 AM EST Sun Nov 1 2026
Date 10/31/26 Sun 11/01/26 Mon 11/02/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 46 64 48 64 46
TEMP 48 47 54 62 62 53 51 50 50 48 54 62 62 53 50 49 48 47
DEWPT 41 40 42 41 39 39 38 38 39 40 45 45 43 41 41 40 40 41
MIN/MAX RH 78 42 76 48 79
RH 77 76 64 46 43 59 61 63 66 74 71 54 50 64 71 71 74 79
WIND DIR N N SE SE SE E E E N N SE SE SE SE SE N N N
WIND SPD 0 0 2 3 3 2 1 1 0 0 1 3 3 1 1 0 0 0
CLOUDS OV B2 B2 B2 B1 B2 B2 OV OV B2 B2 SC FW SC SC FW FW FW
CLOUDS(%) 100 71 75 73 68 71 85 91 92 81 73 32 7 42 46 25 23 23
VSBY 10 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10 10 10
POP 12HR 10 0 5 10 0
MIX HGT <1 <1 2 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SE SE SE SE SE SE SE SE S S S S SE SE
T WIND SPD 5 4 8 6 6 6 5 5 5 4 5 6 8 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 4 18 14 17 3 3 3 3 4 9 17 20 3
MAX LVORI 3 3 2 2 2 3 3 3 3 3 3 2 2 3
STABILITY F C B D C F F F F C C B B G
CEILING 10500 10500 6700 5800 6700 None None
STA PRES 28.24 28.20 28.20 28.17 28.17 28.11
Date 11/03Wed 11/04/26Thu 11/05/26Fri 11/06/26Sat 11/07/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 70 52 68 59 70 58 69 53 66
TEMP 69 57 54 53 66 61 60 59 67 63 60 58 67 61 56 53 64 57
DEWPT 52 51 49 50 59 58 58 59 64 60 59 57 59 55 52 50 52 48
RH 55 80 83 89 78 90 93100 90 90 96 96 75 81 86 89 65 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC B2 B2 B2 OV OV B2 B1 B2 B2 B1 B1 B1 B1 SC
POP 12HR 0 5 20 70 70 40 40 30 20
RAIN SHWRS IS IS SC NM NM NM SC SC SC SC SC IS
TSTMS IS IS IS 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