Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Oct 27 2026
VAZ046-280800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Tue Oct 27 2026
Date 10/27/26 Wed 10/28/26 Thu 10/29/26 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 49 65 50 74 48
TEMP 56 54 52 52 59 62 63 56 53 53 51 51 64 71 73 62 55 53 51 50
DEWPT 50 49 48 49 52 52 53 53 52 53 51 51 59 58 57 57 55 53 51 49
MIN/MAX RH 89 69 100 57 100
RH 80 83 86 89 78 70 70 90 96100100100 84 63 57 84100100100 96
WIND DIR E E NE NE NE E E NE NE N N NW SW SW SW S SW SW W W
WIND SPD 3 2 3 3 4 3 3 2 1 1 0 1 2 4 4 2 2 3 3 3
CLOUDS FW SC SC B2 B1 B2 B2 B2 B2 B2 B2 B2 SC FW CL CL CL FW FW CL
CLOUDS(%) 8 28 50 77 64 70 86 75 83 71 71 73 47 22 3 1 1 6 7 5
VSBY 10 10 3 1 5 10 10 10 10 9 7 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR E E NE NE NE E E E E NE NW W SW W SW SW
T WIND SPD 8 6 4 5 5 5 5 4 4 3 3 3 6 8 8 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 3 2 6 10 16 16 2 2 2 2 3 16 31 26 3
MAX LVORI 4 5 6 5 4 3 3 6 8 10 10 9 4 1 2 6
STABILITY G G F B B C C F F F F C B B B G
CEILING None None 23900 2900 3600 17100 None None None
STA PRES 29.64 29.66 29.67 29.61 29.62 29.59 29.56 29.48
Date 10/30Sat 10/31/26Sun 11/01/26Mon 11/02/26Tue 11/03/26
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 80 49 68 48 67 54 70 55 70
TEMP 79 66 54 49 66 59 50 49 65 60 56 55 67 62 57 55 68 62
DEWPT 54 56 51 46 47 51 50 49 55 57 56 55 62 61 57 55 60 58
RH 42 70 90 89 50 75100100 70 90100100 84 97100100 76 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW SC B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 B1
POP 12HR 0 0 0 5 30 50 40 20 30
RAIN SHWRS SC SC SC SC IS IS IS SC 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