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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sat Jul 4 2026
VAZ012-050800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 PM EDT Sat Jul 4 2026
Date 07/04/26 Sun 07/05/26 Mon 07/06/26 Tue
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 67 84 66 84 63
TEMP 91 82 72 69 67 70 80 84 80 76 70 68 66 69 79 84 81 75 67 65 63 66
DEWPT 65 65 64 63 63 66 66 65 66 67 66 65 64 66 68 67 68 67 65 64 63 66
MIN/MAX RH 88 53 95 57 100
RH 42 56 76 81 87 87 62 53 62 74 87 90 93 90 69 57 65 76 93 97100100
WIND DIR S W NW W W N W S S SW N N N W W W W NW N N W W
WIND SPD 1 1 1 1 1 0 1 2 1 1 0 0 0 1 1 2 2 1 0 0 1 1
CLOUDS B1 B1 B1 SC SC FW FW B2 B2 B1 SC B1 SC B1 SC B2 B2 B1 B1 SC B1 B1
CLOUDS(%) 61 52 53 37 50 25 16 75 78 52 27 56 50 56 43 87 87 51 51 43 63 57
VSBY 10 10 10 9 9 10 10 10 10 10 9 1 3 6 10 10 10 10
POP 12HR 30 70 30 80 30
RAIN SHWRS SC SC SC NM NM SC IS IS IS O O SC SC IS
TSTMS SC SC SC NM SC SC IS SC SC SC
MIX HGT 5 <1 <1 <1 <1 <1 4 4 3 <1 <1 <1 <1 <1 3 5 4 <1
T WIND DIR S NW W W W SW W W S N NW NW SW S W NW N N
T WIND SPD 12 4 2 3 2 1 8 5 9 3 3 1 1 1 8 5 6 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 71 2 1 2 1 1 43 30 30 2 2 1 1 1 30 31 30 3
MAX LVORI 1 3 4 5 6 6 1 1 1 3 6 7 8 7 3 1 1 4
STABILITY B F F G F A A B B F G F F B A B B F
CEILING None None None None 4900 None 2400 None 2800 None
STA PRES 27.29 27.28 27.26 27.27 27.25 27.25 27.28 27.28 27.26
Date 07/07Wed 07/08/26Thu 07/09/26Fri 07/10/26Sat 07/11/26
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 86 61 86 61 87 63 87 63 84
TEMP 81 76 64 65 80 77 64 66 80 78 66 67 80 77 66 66 79 75
DEWPT 66 65 63 64 64 64 61 63 65 65 63 66 67 67 65 66 67 66
RH 60 69 97 97 58 64 90 90 60 64 90 97 65 71 97100 67 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC SC B1 FW SC B1 B1 SC SC SC B2 B1 B1 B1 B2
POP 12HR 50 20 40 10 50 20 60 40 70
RAIN SHWRS IS SC IS IS SC SC SC IS IS NM SC SC SC NM
TSTMS IS SC IS IS IS SC IS IS SC IS IS 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