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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Oct 4 2026
NCZ003-050800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 PM EDT Sun Oct 4 2026
Date 10/04/26 Mon 10/05/26 Tue 10/06/26 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
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 58 76 47 69 46
TEMP 68 64 61 60 59 58 67 76 76 63 57 51 48 49 60 67 68 60 53 51 48 49
DEWPT 67 64 61 60 58 54 54 53 52 50 46 44 43 43 48 49 51 51 50 48 46 46
MIN/MAX RH 100 42 86 52 96
RH 97100100100 96 86 63 45 43 62 67 77 83 80 64 52 54 72 89 89 93 89
WIND DIR SE N N NW NW NW N N N N N N N N E SE SE N N N N N
WIND SPD 1 0 0 1 3 5 8 6 5 4 4 2 2 1 4 3 3 0 0 0 0 0
CLOUDS B2 OV B2 OV B2 B2 SC FW FW FW FW FW FW FW FW FW CL CL CL CL CL FW
CLOUDS(%) 86 89 83 90 75 72 31 22 12 13 11 6 6 20 12 6 5 3 3 4 5 8
VSBY 10 10 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
Obvis PF
MIX HGT 2 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 3 3 <1
T WIND DIR N N NW NW N N N N N N N N N N E SE SE SE
T WIND SPD 2 1 3 4 14 14 16 12 14 9 13 9 5 3 6 2 2 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 5 1 2 2 7 16 40 54 67 4 6 4 3 3 23 9 8 1
MAX LVORI 9 10 10 9 8 4 1 1 1 3 3 4 5 5 2 2 2 3
STABILITY C F F F F B B B B F F G G A B B B G
CEILING 1300 1600 25300 None None None None None None None
STA PRES 28.18 28.19 28.17 28.20 28.18 28.24 28.25 28.26 28.19
Date 10/07Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 78 53 80 53 78 54 74 52 68
TEMP 76 66 56 54 79 69 56 54 77 68 57 54 72 66 55 53 65 62
DEWPT 57 59 54 51 55 57 52 49 55 56 51 48 54 53 50 50 57 58
RH 52 78 93 90 44 66 86 83 47 65 80 80 53 63 83 89 75 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL FW FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 0 0 5 40 60
RAIN SHWRS IS SC SC NM
$$
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