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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EST Mon Nov 2 2026
VAZ024-030900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
131 AM EST Mon Nov 2 2026
Date 11/01/26 Mon 11/02/26 Tue 11/03/26 Wed
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 44 65 41 73 48
TEMP 47 46 52 64 65 56 49 45 42 41 58 72 72 59 53 51 50 49
DEWPT 40 41 47 45 41 45 44 42 41 41 51 54 53 54 52 51 50 49
MIN/MAX RH 91 42 100 50 100
RH 76 83 83 50 41 66 83 89 96100 77 53 51 83 96100100100
WIND DIR N N N S SE N N N N N N S S SE N N N N
WIND SPD 0 0 0 2 2 0 0 0 0 0 0 4 3 1 0 0 0 0
CLOUDS OV OV OV B1 SC SC FW FW FW FW FW SC FW FW FW SC SC SC
CLOUDS(%) 90 95 89 61 39 44 12 7 16 21 16 28 7 25 20 28 33 49
VSBY 10 10 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 20 0 0 0
RAIN SHWRS IS
MIX HGT <1 <1 <1 2 2 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N NW S S S S SE N W N S S S SE
T WIND SPD 1 1 1 4 4 2 1 0 2 1 6 8 6 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 1 1 1 11 10 1 1 0 1 1 15 28 23 1
MAX LVORI 6 6 4 2 2 3 6 6 8 10 4 2 2 3
STABILITY F B B B B G G G G A A B B G
CEILING 9900 7700 None None None None None None
STA PRES 28.90 28.89 28.82 28.82 28.79 28.80 28.75
Date 11/04Thu 11/05/26Fri 11/06/26Sat 11/07/26Sun 11/08/26
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 73 57 74 52 72 45 69 40 66
TEMP 71 65 59 59 71 63 57 52 69 62 50 45 67 58 46 41 63 56
DEWPT 60 60 59 59 65 62 57 52 57 55 50 45 50 48 45 41 46 46
RH 68 84100100 81 97100100 66 78100100 54 69 96100 54 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 OV B2 B2 B2 B1 B2 B1 SC SC SC FW FW SC SC SC
POP 12HR 5 70 70 40 40 10 5 0 10
RAIN SHWRS SC NM NM 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