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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Oct 4 2026
NCZ005-050800-
RAWS 310540
36.38N 79.70W Elev. 858 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 57 76 50 70 44
TEMP 65 61 59 59 59 59 69 76 76 63 57 53 51 51 61 69 69 59 52 49 45 47
DEWPT 64 61 59 59 59 59 56 54 53 53 48 47 46 44 44 45 47 47 46 46 45 45
MIN/MAX RH 100 44 84 43 100
RH 97100100100100100 63 46 45 70 72 80 83 77 53 42 45 64 80 89100 93
WIND DIR N N N W NW N N N N NE N N NE NE NE E E E E N N SW
WIND SPD 2 0 0 1 2 3 6 6 4 2 4 4 4 5 6 4 3 2 1 0 0 1
CLOUDS B2 B2 B2 OV OV B2 B1 SC FW SC FW SC SC FW FW FW CL CL CL CL CL CL
CLOUDS(%) 87 86 84 89 90 80 52 46 17 29 14 34 26 24 12 6 4 4 3 4 5 3
VSBY 10 10 5 3 2 2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
Obvis PF PF F PF
MIX HGT 2 <1 <1 <1 <1 <1 2 4 5 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR N N NW W N N N N N N N NE NE NE NE NE NE E
T WIND SPD 5 4 2 2 2 4 12 10 9 2 5 16 11 13 9 5 4 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 13 2 1 1 1 5 33 49 51 1 3 7 5 14 32 28 22 1
MAX LVORI 5 9 10 10 10 9 1 1 1 3 3 4 5 4 1 2 2 3
STABILITY C F F F F B B B B G F F F B B B B G
CEILING 1200 3800 23900 None None None None None None None
STA PRES 29.34 29.34 29.32 29.36 29.31 29.38 29.42 29.45 29.36
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 77 53 82 53 80 54 75 53 69
TEMP 75 67 56 54 80 70 58 54 78 69 58 55 73 66 57 54 67 63
DEWPT 53 56 54 52 54 55 52 51 53 53 52 50 51 51 51 51 56 58
RH 46 68 93 93 41 59 80 90 42 57 80 83 46 58 80 90 68 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 0 0 5 30 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