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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Oct 5 2026
VAZ024-060800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Mon Oct 5 2026
Date 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu
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 43 71 42 79 49
TEMP 76 63 56 52 49 45 59 68 69 59 53 49 47 45 66 77 78 65 58 54 51 51
DEWPT 45 46 45 44 42 41 44 44 45 46 45 45 43 43 51 51 52 53 51 51 49 48
MIN/MAX RH 87 40 95 38 97
RH 33 54 66 74 77 86 57 42 42 62 74 86 86 93 58 40 40 65 77 90 93 89
WIND DIR NW N NW N N N E SE S SE S S SW SW SW SW SW S W W W NW
WIND SPD 5 3 2 1 1 1 1 2 3 2 1 1 1 1 2 4 3 2 1 1 2 2
CLOUDS CL CL CL CL FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL FW CL CL
CLOUDS(%) 2 2 2 3 8 18 9 5 5 3 1 1 2 1 0 1 2 3 1 6 4 5
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 5 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 4 <1
T WIND DIR N N N N N N NE N S S SW NW N NW SW SW W SW
T WIND SPD 10 5 5 3 3 2 5 0 1 2 1 2 2 2 9 8 9 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 37 3 3 2 2 2 18 0 5 1 1 1 1 2 22 33 41 2
MAX LVORI 1 2 3 3 4 5 2 2 2 3 4 5 6 6 2 1 1 3
STABILITY B G G G G A A B B G G G G A B B B G
CEILING None None None None None None None None None None
STA PRES 28.58 28.65 28.65 28.68 28.60 28.59 28.57 28.54 28.45
Date 10/08Fri 10/09/26Sat 10/10/26Sun 10/11/26Mon 10/12/26
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 82 49 79 51 76 51 70 52 75
TEMP 80 66 55 51 78 66 56 52 75 64 55 52 69 62 56 54 73 65
DEWPT 52 51 49 46 47 50 49 47 49 50 50 49 53 53 54 52 57 57
RH 38 58 80 83 33 56 77 83 40 60 83 89 57 72 93 93 57 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL CL FW FW FW SC SC SC SC B1 B2 B2 B2 B2 B1 B1
POP 12HR 0 0 0 0 0 10 30 40 30
RAIN SHWRS IS SC SC SC 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