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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Sep 29 2026
NCZ003-300800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 PM EDT Tue Sep 29 2026
Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri
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 82 58 85 60
TEMP 61 59 57 57 72 79 80 69 64 61 59 58 74 82 84 74 66 63 62 62
DEWPT 60 58 57 57 62 61 59 61 60 58 57 56 61 61 60 61 60 60 59 59
MIN/MAX RH 99 48 93 44 94
RH 97 96100100 71 54 49 76 87 90 93 93 64 49 44 64 81 90 90 90
WIND DIR E NE NE NE S SW SW SW SW W W W SW SW SW S SW SW SW SW
WIND SPD 1 2 2 2 1 5 3 1 1 1 2 2 4 5 4 2 2 2 2 2
CLOUDS CL FW FW FW FW SC FW SC B1 SC CL FW FW FW FW FW FW FW FW FW
CLOUDS(%) 5 11 14 9 6 27 22 39 51 42 3 24 14 11 15 8 10 13 17 11
VSBY 10 10 10 10 10 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 2 5 4 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR NW N N N SW SW SW SW W W W W W W SW SW
T WIND SPD 1 2 2 2 8 8 6 2 2 2 2 2 13 6 9 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 1 2 25 43 34 1 1 1 1 2 36 37 48 2
MAX LVORI 8 8 10 9 3 1 1 4 5 7 7 6 3 1 1 3
STABILITY G G G B A B B G F F G B B B B G
CEILING None None None None None None None None None
STA PRES 29.02 29.02 29.08 29.03 29.05 29.05 29.08 29.03
Date 10/02Sat 10/03/26Sun 10/04/26Mon 10/05/26Tue 10/06/26
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 86 66 80 59 69 57 71 49 65
TEMP 84 77 68 66 76 70 62 60 65 63 60 57 67 61 53 49 63 56
DEWPT 65 66 65 65 67 65 61 60 64 63 60 57 58 56 50 45 47 48
RH 53 69 90 97 74 84 97100 97100100100 73 84 89 86 56 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC
POP 12HR 5 20 60 70 70 40 20 5 5
RAIN SHWRS IS SC NM NM NM NM NM SC SC IS IS
TSTMS 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