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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Oct 25 2026
VAZ024-260800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Sun Oct 25 2026
Date 10/25/26 Mon 10/26/26 Tue 10/27/26 Wed
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 38 73 41 75 45
TEMP 66 52 46 43 39 39 55 71 72 57 49 45 43 42 62 73 72 58 52 49 47 46
DEWPT 45 47 46 43 39 38 49 46 44 46 46 45 43 41 50 50 50 52 51 49 47 46
MIN/MAX RH 100 37 100 42 100
RH 47 83100100100 96 80 41 37 67 89100100 96 65 44 46 80 96100100100
WIND DIR SE N N N N N N N N N N NW N N N E E N N N N N
WIND SPD 1 0 0 0 0 0 0 1 0 0 0 1 1 1 0 2 2 0 0 0 0 0
CLOUDS CL CL CL FW FW FW FW CL CL CL FW CL FW FW CL FW FW FW SC SC SC B1
CLOUDS(%) 3 2 3 7 24 19 8 5 2 4 8 5 13 13 1 8 6 22 31 39 48 63
VSBY 10 10 10 9 8 5 6 10 10 10 10 6 6
POP 12HR 0 0 0 0 0
MIX HGT 4 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR S E N N NW NW NW N W W N N N N NE E E E
T WIND SPD 2 2 2 2 3 2 3 2 3 2 3 3 3 3 8 5 5 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 11 1 1 1 2 2 5 8 10 1 2 2 2 3 16 27 25 4
MAX LVORI 2 5 10 10 10 9 4 2 2 3 6 10 10 9 3 2 2 5
STABILITY A G G G G A A A A G G G G A A B B G
CEILING None None None None None None None None None None
STA PRES 28.91 28.89 28.86 28.84 28.75 28.73 28.75 28.78 28.77
Date 10/28Thu 10/29/26Fri 10/30/26Sat 10/31/26Sun 11/01/26
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 46 74 46 79 48 75 53 73
TEMP 67 59 50 47 71 62 50 47 76 64 53 49 73 65 55 53 71 65
DEWPT 54 53 50 47 54 54 50 46 52 52 51 49 56 56 54 53 60 60
RH 63 80100100 55 75100 96 43 65 93100 55 73 96100 68 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC FW FW FW FW FW FW SC SC B1 B1 B2 B1 B2
POP 12HR 0 0 0 0 0 0 5 20 40
RAIN SHWRS IS 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