Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Sep 28 2026
NCZ003-282000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 AM EDT Mon Sep 28 2026
Date Mon 09/28/26 Tue 09/29/26 Wed 09/30/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 76 54 78 54 82
TEMP 66 74 75 65 61 58 55 54 70 77 77 66 60 58 56 56 72 80 81 71
DEWPT 53 56 55 57 55 54 54 54 58 58 55 58 56 55 54 54 59 57 56 58
MAX/MIN RH 49 98 46 98 41
RH 63 53 50 75 81 86 96100 66 52 47 75 87 90 93 93 64 45 42 63
WIND DIR NW NW N N N N N N NE W SW N N N N N S SW S S
WIND SPD 5 5 5 4 4 3 3 3 1 2 1 0 1 2 2 2 1 4 3 1
CLOUDS FW FW FW FW FW FW SC FW SC SC SC SC FW CL FW CL CL FW FW FW
CLOUDS(%) 12 13 14 18 21 19 26 6 31 33 30 26 8 4 6 3 1 11 9 8
VSBY 10 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 2 5 5 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1 3 5 4 <1
T WIND DIR NW NW NW N N N N N NE N NE NE NE NE N N SW SW S W
T WIND SPD 9 10 11 9 6 3 3 3 5 0 1 3 2 2 2 2 3 2 4 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 28 57 63 4 3 2 2 4 22 0 6 2 1 1 1 2 12 13 23 1
MAX LVORI 2 1 1 4 5 6 8 9 3 2 2 4 6 7 7 8 2 2 2 3
STABILITY B B B F F G G B A B A G G G G B A B B G
CEILING None None None None None None None None None None
STA PRES 28.89 28.88 28.94 28.96 29.01 28.99 29.03 29.04 29.10 29.05
Date Thu 10/01/26Fri 10/02/26Sat 10/03/26Sun 10/04/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 56 84 59 85 62 75 59 70
TEMP 60 58 81 73 62 60 83 75 65 62 73 67 61 60 69 65
DEWPT 55 55 59 60 58 58 62 63 61 58 60 59 57 57 61 62
RH 84 90 47 64 87 93 49 66 87 87 64 75 87 90 76 90
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW SC B1 SC B1 B1 B2 B2 B2 B2
POP 12HR 0 0 0 20 20 30 30 50
RAIN SHWRS IS IS IS SC SC 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