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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Thu Jun 25 2026
VAZ012-252000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
131 PM EDT Thu Jun 25 2026
Date Thu 06/25/26 Fri 06/26/26 Sat 06/27/26
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 58 87 62 83
TEMP 77 79 74 62 59 58 63 77 82 83 75 67 65 63 65 74 78 81 74
DEWPT 59 59 59 57 56 55 59 62 62 64 64 64 63 63 65 68 68 69 67
MAX/MIN RH 50 90 48 95 67
RH 54 50 59 84 90 90 87 60 51 53 69 90 93100100 82 71 67 79
WIND DIR SW W SW SW W W W W SW S SW SW SW SW W W W W W
WIND SPD 4 4 1 1 1 1 1 1 2 2 1 1 1 3 4 5 4 3 3
CLOUDS FW FW FW FW SC SC FW FW B1 B1 SC B1 B1 B2 B1 B1 OV OV B1
CLOUDS(%) 14 12 11 25 45 43 20 22 54 53 41 52 61 75 67 67 89 89 65
VSBY 10 10 10 10 10 10 10 10 9 7 7 10 10 10 10 10 10 10 10
POP 12HR 0 0 30 40 80
RAIN SHWRS IS IS IS SC SC SC SC SC O O SC
TSTMS IS IS IS IS SC SC SC
MIX HGT 6 5 <1 <1 <1 <1 <1 4 6 3 <1 <1 <1 <1 1 3 3 3 <1
T WIND DIR W SW SW S SW SW SW SW S S S S SW W W W W W W
T WIND SPD 8 6 8 4 4 3 4 8 9 17 10 4 4 9 18 26 19 23 13
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 56 46 4 2 2 2 4 43 59 68 5 2 2 4 27 86 66 79 6
MAX LVORI 1 1 3 5 6 7 6 1 1 1 3 6 6 9 4 3 3 1 4
STABILITY A A G G F F A A B B F F F F C C C B F
CEILING None None None None 3400 None 1300 900 1300
STA PRES 27.31 27.32 27.35 27.36 27.32 27.29 27.27 27.29 27.23
Date Sun 06/28/26Mon 06/29/26Tue 06/30/26Wed 07/01/26
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 62 84 62 90 63 93 65 90
TEMP 65 66 80 76 64 65 85 80 66 66 87 82 67 69 90 84
DEWPT 65 66 68 67 63 65 67 67 62 65 65 66 62 65 64 65
RH 100100 67 74 97100 55 65 87 97 48 58 84 87 42 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 50 50 20 20 0 5 0 10
RAIN SHWRS SC SC 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