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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EST Thu Nov 5 2026
VAZ024-060900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
501 PM EST Thu Nov 5 2026
Date 11/05/26 Fri 11/06/26 Sat 11/07/26 Sun
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 56 71 40 62 33
TEMP 65 64 62 60 57 62 69 69 59 52 48 43 40 47 60 61 52 43 40 36 33
DEWPT 65 63 61 59 56 54 49 48 49 48 46 42 38 40 37 35 36 37 37 36 33
MIN/MAX RH 98 46 96 37 100
RH 100 97 97 96 96 75 49 47 69 86 93 96 92 76 42 38 54 79 89100100
WIND DIR S N W W NW W W W W NW NW NW NW NW NW NW NW W W W W
WIND SPD 1 0 1 1 1 2 3 3 3 2 2 3 4 8 8 9 4 2 2 2 2
WIND GUST 14 14 20 20 21 17 12
CLOUDS B2 B2 B2 B2 OV SC SC CL CL FW FW CL CL CL CL CL CL CL FW FW FW
CLOUDS(%) 78 74 83 85 94 50 30 2 3 15 7 3 3 3 1 2 3 3 8 19 21
VSBY 9 9 4 3 2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 0 0 0
RAIN SHWRS IS
Obvis PF F F PF
MIX HGT <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR S SW W NW NW NW W W NW NW NW NW NW NW NW NW NW
T WIND SPD 3 2 1 3 3 5 11 14 6 5 5 5 4 16 19 17 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 2 3 15 50 49 3 3 3 3 5 63 87 65 3
MAX LVORI 10 8 9 8 8 3 1 1 3 6 6 8 6 3 1 1 3
STABILITY F F F F A B B B G G G G B B B C F
CEILING 2400 4000 None None None None None None None
STA PRES 28.35 28.33 28.35 28.32 28.38 28.40 28.45 28.46
Date 11/08Mon 11/09/26Tue 11/10/26Wed 11/11/26Thu 11/12/26
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 67 33 70 33 72 35 69 32 64
TEMP 64 51 40 34 66 56 40 34 69 58 42 36 66 52 39 33 61 52
DEWPT 38 35 34 33 37 36 35 32 38 36 36 34 37 35 35 32 37 36
RH 38 54 79 96 34 47 82 92 32 44 79 92 34 52 85 96 41 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL CL CL CL CL FW FW CL FW FW FW FW SC FW SC
POP 12HR 0 0 0 0 0 0 0 0 20
RAIN S S
$$
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