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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EST Sun Nov 1 2026
NCZ006-012000-
RAWS 310801
36.37N 79.29W Elev. 580 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 67 43 69 42 76
TEMP 58 65 66 54 50 47 45 45 57 66 68 55 49 47 45 43 61 73 75 63
DEWPT 46 43 43 45 44 44 44 44 50 49 49 50 49 47 45 43 55 57 56 56
MAX/MIN RH 41 100 49 100 52
RH 64 45 43 71 80 89 96 96 77 54 51 83100100100100 81 57 52 78
WIND DIR NE NE E NE N N N N NE E E N N N N N NE E SE E
WIND SPD 4 4 4 1 0 0 0 0 2 2 2 0 0 0 0 0 1 3 3 1
CLOUDS B2 B1 B1 B1 SC B1 B2 B2 B1 SC FW FW FW FW FW SC FW FW FW FW
CLOUDS(%) 71 69 61 67 40 56 70 73 54 50 21 14 19 23 15 29 11 7 9 9
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 1 3 3 <1
T WIND DIR E E E E E E E E E E E E
T WIND SPD 9 8 8 6 6 6 4 4 6 5 6 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 24 20 19 3 3 3 2 4 13 18 22 3
MAX LVORI 2 2 2 3 3 4 6 8 4 2 2 3
STABILITY B D D F F F F C C B C G
CEILING 10900 10900 None 9900 10800 None None
STA PRES 29.85 29.78 29.79 29.78 29.76 29.68
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 50 77 58 77 58 76 53 72
TEMP 55 53 74 67 62 60 74 68 62 60 73 65 57 55 70 62
DEWPT 55 53 64 63 62 60 69 66 62 60 66 62 57 54 58 56
RH 100100 71 87100100 84 93100100 79 90100 96 66 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B1 B1 B2 OV B2 B1 B1 B1 B1 SC SC B1 SC
POP 12HR 0 5 30 50 50 40 20 10
RAIN SHWRS IS SC SC SC SC SC SC SC 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