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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Jun 24 2026
NCZ019-242000-
RAWS 312001
36.23N 81.32W Elev. 2380 ft
401 AM EDT Wed Jun 24 2026
Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26
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 80 61 85 66 87
TEMP 58 61 71 77 79 73 66 63 62 65 75 82 84 78 71 67 66 69 79 84 84 78
DEWPT 50 52 52 51 53 56 54 53 52 54 58 58 60 61 60 60 60 62 65 64 66 66
MAX/MIN RH 39 72 43 81 51
RH 75 72 51 40 41 55 65 70 70 68 55 44 44 56 68 78 81 78 62 51 55 67
WIND DIR N N NE SE S N N N N N S S S SW W W N N SW SW SW W
WIND SPD 3 2 1 1 2 0 0 0 0 0 2 4 4 3 2 1 0 0 3 5 5 5
CLOUDS CL SC SC B1 FW SC SC B1 B1 SC FW SC FW B1 FW FW FW FW FW B1 B1 SC
CLOUDS(%) 2 29 41 51 23 46 29 52 62 31 20 32 12 51 18 11 25 16 22 59 59 47
VSBY 10 10 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 40
RAIN SHWRS SC SC
TSTMS SC SC
MIX HGT <1 <1 4 6 6 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 5 5 3 <1
T WIND DIR NW NW N NW NW SW W W NW W SW SW S S W W NW W SW S S SW
T WIND SPD 6 6 9 2 2 5 2 3 3 1 6 8 8 11 3 3 2 1 8 11 13 12
DISPERSION VP VP VP VP VP VP VP VP VP PR
ADI 3 7 50 17 18 3 1 2 2 1 36 59 60 5 2 2 1 1 46 78 47 8
MAX LVORI 4 3 1 2 2 3 3 3 3 3 1 1 1 3 3 4 5 4 1 1 1 3
STABILITY G A A A A F G F F A A A A F G G G A A A A E
CEILING None None None None None None None None None 3100
STA PRES 28.02 27.97 27.98 27.97 28.0 27.97 27.98 28.00 28.03 27.97
Date Sat 06/27/26Sun 06/28/26Mon 06/29/26Tue 06/30/26
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 68 87 69 88 68 86 69 91
TEMP 70 71 83 79 70 71 86 81 70 70 84 80 70 71 88 85
DEWPT 65 65 65 67 66 66 68 68 65 65 67 67 63 63 66 66
RH 84 81 55 67 87 84 55 65 84 84 57 65 78 76 48 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 SC SC B1 B1 SC FW SC SC FW FW CL FW
POP 12HR 10 30 20 40 10 20 10 10
RAIN SHWRS SC IS SC SC IS IS
TSTMS SC IS SC 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