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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Fri Oct 23 2026
NCZ003-240800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 PM EDT Fri Oct 23 2026
Date 10/23/26 Sat 10/24/26 Sun 10/25/26 Mon
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 41 62 40 65 38
TEMP 64 56 51 48 45 43 53 60 61 53 49 46 44 42 56 62 64 54 46 45 41 40
DEWPT 41 44 43 42 41 42 43 42 42 43 41 41 40 40 49 50 49 50 46 45 41 40
MIN/MAX RH 97 50 100 57 100
RH 43 64 74 80 86 96 69 51 49 69 74 83 86 93 77 65 58 86100100100100
WIND DIR E N NE NE NE N E E E NE N NE N N E E E NE N N N NW
WIND SPD 5 0 3 3 3 3 3 4 5 3 3 3 3 3 3 4 3 1 0 0 0 1
CLOUDS CL CL CL FW SC SC FW CL CL FW CL FW SC SC FW FW FW CL CL FW FW FW
CLOUDS(%) 1 1 1 8 45 43 14 4 3 6 5 12 31 39 19 12 7 4 4 15 21 14
VSBY 10 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 4
POP 12HR 0 0 0 0 0
MIX HGT 4 <1 <1 <1 <1 <1 3 3 3 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NE E E NE E E E E NE E E E E E E E E E
T WIND SPD 5 3 4 4 9 8 8 4 3 8 9 9 8 6 6 5 4 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 28 2 2 2 4 8 26 19 14 4 4 4 4 7 22 25 20 2
MAX LVORI 2 3 3 5 5 6 3 2 2 3 4 4 6 5 3 2 2 5
STABILITY B G G G F B B B B G G G G B B B B G
CEILING None None None None None None None None None
STA PRES 28.44 28.47 28.53 28.51 28.55 28.55 28.57 28.51
Date 10/26Tue 10/27/26Wed 10/28/26Thu 10/29/26Fri 10/30/26
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 72 41 73 45 68 46 72 46 74
TEMP 69 58 46 43 71 61 49 46 65 58 49 47 70 61 50 48 72 62
DEWPT 46 49 43 41 47 50 47 46 52 53 49 47 54 54 49 47 53 53
RH 44 72 89 93 42 67 93100 63 83100100 57 78 96 96 51 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL FW FW FW FW FW SC B1 B1 B1 B1 SC FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 0 0 0
$$
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