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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Jun 30 2026
VAZ024-302000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 AM EDT Tue Jun 30 2026
Date Tue 06/30/26 Wed 07/01/26 Thu 07/02/26
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 92 68 96 71 101
TEMP 83 89 92 86 74 71 69 72 89 95 96 90 77 73 71 77 95100101 92
DEWPT 71 71 71 71 70 68 67 69 72 70 69 70 71 70 69 71 71 68 66 70
MAX/MIN RH 51 96 41 94 33
RH 67 56 51 61 87 90 93 90 57 45 42 52 82 90 93 82 46 36 32 49
WIND DIR S SE S SE SW N N N N S S S N N N N N SE SE SE
WIND SPD 1 2 3 2 1 0 0 0 0 2 2 1 0 0 0 0 0 2 2 1
CLOUDS SC SC FW FW FW FW FW FW CL FW FW FW CL CL FW FW FW FW FW FW
CLOUDS(%) 43 42 21 18 11 11 18 12 3 21 12 16 1 0 11 13 6 13 9 15
VSBY 10 10 10 10 10 6 4 8 10 10 10 10 10 8 5 10 10 10 10 10
POP 12HR 5 5 0 0 0
MIX HGT 3 5 5 <1 <1 <1 <1 <1 3 6 7 <1 <1 <1 <1 <1 4 8 7 <1
T WIND DIR SW SW S S S S S W NW NW W W W NW NW NW NE NE N W
T WIND SPD 5 2 3 9 4 3 2 2 6 3 5 5 2 3 3 3 4 2 2 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 22 13 21 4 2 2 1 2 29 26 49 3 1 2 2 3 26 21 19 1
MAX LVORI 3 2 2 3 6 7 8 6 2 2 1 2 5 7 7 5 2 2 2 2
STABILITY A A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 28.66 28.59 28.58 28.59 28.59 28.56 28.55 28.58 28.61 28.58
Date Fri 07/03/26Sat 07/04/26Sun 07/05/26Mon 07/06/26
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 72 99 71 101 70 98 69 94
TEMP 74 75 98 86 72 75100 86 72 74 96 83 71 73 91 84
DEWPT 68 70 65 67 68 70 65 68 69 70 67 70 70 70 69 69
RH 82 84 34 53 87 84 32 55 90 87 39 65 97 90 49 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW B1 B1 SC SC B1 B1 SC SC B2
POP 12HR 0 10 20 40 30 50 50 60
RAIN SHWRS IS SC SC SC SC IS NM
TSTMS IS SC 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