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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Thu Oct 29 2026
NCZ006-300800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
731 PM EDT Thu Oct 29 2026
Date 10/29/26 Fri 10/30/26 Sat 10/31/26 Sun
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 48 78 45 67 43
TEMP 61 57 53 50 49 69 78 77 63 56 53 48 46 58 65 66 56 49 47 45 44
DEWPT 54 53 51 50 47 49 50 52 56 51 48 43 41 46 44 44 47 45 44 43 42
MIN/MAX RH 99 38 88 44 98
RH 78 86 93100 93 49 37 42 78 83 83 83 83 64 46 45 72 86 89 93 93
WIND DIR SE S SW W W NW N N N N NE NE NE NE NE NE NE N N N N
WIND SPD 1 1 1 1 1 4 5 4 0 1 2 3 3 5 4 3 1 0 0 0 0
CLOUDS CL CL CL FW SC CL CL CL FW FW SC FW SC B1 B1 B2 OV B2 B2 B2 B2
CLOUDS(%) 0 0 0 20 43 0 0 0 13 11 32 25 41 60 69 70 88 80 83 87 87
VSBY 10 10 10 9 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 <1 1 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR SW SW W W NW N N N N N NE NE NE NE NE E E
T WIND SPD 2 4 5 6 6 11 11 11 4 9 11 9 8 10 8 8 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 1 2 3 3 6 17 52 54 3 5 5 4 10 24 19 29 3
MAX LVORI 4 6 6 6 6 2 1 1 4 5 5 5 4 2 2 2 3
STABILITY G G G G A B B B G G G G B D D C F
CEILING None None None None None None 0 0 0
STA PRES 29.53 29.52 29.54 29.53 29.64 29.72 29.79 29.76
Date 11/01Mon 11/02/26Tue 11/03/26Wed 11/04/26Thu 11/05/26
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 69 45 71 47 75 52 76 58 75
TEMP 67 58 47 46 68 59 50 48 73 63 55 53 73 66 60 59 73 66
DEWPT 45 48 47 46 52 54 49 47 57 57 55 53 63 62 59 58 64 62
RH 45 69100100 57 83 96 96 57 81100100 71 87 96 96 73 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC B1 B1 B2 B1 SC SC SC FW SC SC B1 B2 B2 B1 B2 B1
POP 12HR 0 5 5 5 5 5 20 50 50
RAIN SHWRS IS SC SC SC SC
$$
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