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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sun Jul 5 2026
VAZ024-052000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
131 PM EDT Sun Jul 5 2026
Date Sun 07/05/26 Mon 07/06/26 Tue 07/07/26
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 93 71 90 68 92
TEMP 93 88 80 75 73 71 74 83 90 85 80 74 71 70 71 84 90 88 81
DEWPT 66 69 70 68 68 67 68 70 68 70 70 70 71 70 71 73 72 72 72
MAX/MIN RH 41 100 50 100 55
RH 41 54 72 79 84 87 82 65 49 61 72 87100100100 70 56 59 74
WIND DIR SW S SW N N N N N SW S NW N N N N W W NW NW
WIND SPD 3 3 1 0 0 0 0 0 2 2 1 0 0 0 0 1 2 3 1
CLOUDS B1 B1 SC B1 SC SC SC SC B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B1
CLOUDS(%) 63 67 39 52 32 44 41 35 60 82 71 67 68 67 62 58 76 76 61
VSBY 10 10 10 10 7 4 7 10 10 10 10 5 2 3 5 9 10 10 10
POP 12HR 50 20 70 60 60
RAIN SHWRS SC SC IS IS SC NM NM SC IS IS NM NM SC
TSTMS SC SC IS IS SC NM SC IS IS SC NM IS
MIX HGT 7 4 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 <1 3 5 4 <1
T WIND DIR W SW SW E NE NE N W W SW S S SW W W NW NW NW NW
T WIND SPD 2 6 4 1 2 1 1 3 6 4 8 5 5 5 3 12 13 13 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 17 32 2 1 1 1 1 14 39 15 4 3 3 3 4 41 86 70 5
MAX LVORI 2 1 3 7 8 10 8 3 1 2 3 6 9 9 9 1 1 1 3
STABILITY B B G F G F A A B B F F F F B B B B F
CEILING None None None None 3800 3200 1000 None 3000
STA PRES 28.41 28.41 28.44 28.46 28.43 28.46 28.44 28.47 28.46
Date Wed 07/08/26Thu 07/09/26Fri 07/10/26Sat 07/11/26
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 66 91 67 93 68 94 68 91
TEMP 69 70 88 83 70 71 91 85 70 72 92 85 71 72 88 82
DEWPT 69 69 70 70 68 69 68 69 67 68 70 70 69 69 70 68
RH 100 97 55 65 93 93 47 59 90 87 49 61 93 90 55 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC FW SC SC B1 B1 B1 B1 B1
POP 12HR 40 50 30 30 5 30 30 50
RAIN SHWRS SC IS SC SC IS SC SC SC SC SC SC
TSTMS IS IS SC SC SC SC SC 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