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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sat Oct 3 2026
NCZ003-040800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
731 PM EDT Sat Oct 3 2026
Date 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue
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 55 63 59 74 52
TEMP 57 56 56 56 58 61 63 63 62 61 61 60 60 65 71 71 61 56 54 54 52
DEWPT 57 56 56 56 58 60 63 63 62 61 61 60 58 57 54 51 51 47 46 45 44
MIN/MAX RH 100 96 100 47 75
RH 100100100100100 97100100100100100100 93 75 55 49 70 72 74 71 74
WIND DIR NE NE NE NE NE NE NE SE S SW W NW NW N N N N N N NE NE
WIND SPD 11 11 9 5 4 3 2 1 1 1 1 2 3 5 5 4 4 5 6 6 6
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW FW FW SC SC
CLOUDS(%) 100100100100100100100100100 97 98 96 87 46 27 15 12 11 21 28 43
VSBY 7 6 6 5 4 4 5 5 2 5 8 8 8 10 10 10 10 10 10 10
POP 12HR 60 40 5 0 0
DRIZZLE ? ? ? ?
RAIN S L C S C C C S
RAIN SHWRS
Obvis PF PF PF PF
MIX HGT 1 1 1 1 1 1 1 2 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NE NE NE NE N NE E W S SW W NW NW N N N N
T WIND SPD 11 12 10 8 5 4 1 2 2 1 1 4 8 11 8 4 1
DISPERSION FR FR PR PR VP VP VP VP VP PR PR PR
ADI 10 11 9 7 8 6 2 4 2 1 1 2 8 29 36 24 1
MAX LVORI 7 6 8 8 8 6 10 9 9 10 10 9 6 3 1 2 4
STABILITY D D D D D D D D D F F F B B B B F
CEILING 600 600 600 1000 1300 3600 None None None
STA PRES 29.12 29.07 29.06 29.0 29.00 28.99 29.03 28.99
Date 10/06Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
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 68 45 73 50 78 52 77 53 75
TEMP 64 58 50 47 70 62 52 51 76 66 55 53 74 66 56 54 72 65
DEWPT 46 48 47 45 52 53 52 49 53 54 51 49 52 53 52 50 54 54
RH 52 69 89 93 53 72100 93 45 65 86 86 46 63 86 86 53 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW CL CL FW FW FW FW FW FW FW SC SC SC SC SC SC
POP 12HR 0 0 0 0 0 0 5 20 20
RAIN SHWRS IS IS 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