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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EST Sun Nov 1 2026
VAZ046-012000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
731 AM EST Sun Nov 1 2026
Date Sun 11/01/26 Mon 11/02/26 Tue 11/03/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 65 42 66 41 73
TEMP 59 64 64 53 48 45 43 44 57 64 65 53 48 45 43 42 62 71 72 61
DEWPT 43 40 39 42 42 42 41 42 47 44 42 45 45 44 43 42 52 54 54 54
MAX/MIN RH 40 96 44 100 51
RH 55 41 40 66 80 89 93 93 69 48 43 74 89 96100100 70 55 53 78
WIND DIR E E E E E E N N S S SE SE N W W W S S S SE
WIND SPD 4 5 4 2 1 1 0 1 2 2 3 1 0 1 1 1 2 4 4 1
CLOUDS SC B1 B1 SC B1 B1 B1 B1 B1 B1 FW FW SC FW FW FW FW FW FW FW
CLOUDS(%) 45 62 54 46 61 59 68 66 68 62 17 14 27 18 13 12 6 8 9 8
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 0 0
MIX HGT 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR E E E E E SE S SW S S SE SE
T WIND SPD 5 5 6 5 4 4 3 3 4 5 6 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 17 22 16 3 2 2 2 3 9 19 22 2
MAX LVORI 2 2 2 3 3 5 7 6 3 2 2 3
STABILITY B B D G F F F C C B B G
CEILING None None None 9600 8700 None None
STA PRES 29.80 29.73 29.74 29.73 29.71 29.63
Date Wed 11/04/26Thu 11/05/26Fri 11/06/26Sat 11/07/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 49 73 58 74 58 73 53 70
TEMP 52 51 72 65 60 59 71 67 62 60 70 64 57 54 68 60
DEWPT 52 51 62 62 60 59 67 65 62 60 64 61 56 54 55 53
RH 100100 71 90100100 87 93100100 81 90 96100 63 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC
POP 12HR 0 5 40 60 50 40 30 20
RAIN SHWRS IS SC NM NM SC SC SC SC SC IS IS
TSTMS 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