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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Jul 1 2026
VAZ046-012000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
401 AM EDT Wed Jul 1 2026
Date Wed 07/01/26 Thu 07/02/26 Fri 07/03/26
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 97 74 101 76 99
TEMP 70 73 89 95 97 90 81 77 74 77 93 98100 93 82 78 76 78 93 98 98 90
DEWPT 65 68 72 71 69 70 71 69 68 69 72 70 67 70 70 69 68 70 72 69 66 68
MAX/MIN RH 41 81 35 79 35
RH 84 84 57 46 40 52 72 76 82 76 51 41 34 47 67 74 76 76 51 39 35 49
WIND DIR S SW W SW S S S SW SW SW NE E SE S S SW SW W E SE S S
WIND SPD 5 5 3 3 4 5 5 4 3 2 2 4 3 3 4 4 4 2 4 4 4 3
CLOUDS FW FW CL FW FW CL CL CL CL CL CL FW CL CL CL CL FW CL FW FW FW FW
CLOUDS(%) 25 11 2 12 8 3 1 5 4 1 2 10 3 2 0 1 7 5 12 19 19 23
VSBY 10 10 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
MIX HGT <1 1 3 6 7 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 5 8 9 <1
T WIND DIR S SW N W W SW S S S N NE N N N W W W NE NE W W W
T WIND SPD 4 9 5 1 3 5 3 2 2 2 5 3 4 0 2 2 2 13 6 2 4 8
DISPERSION PR PR PR VP VP VP VP VP VP VP
ADI 2 12 25 9 29 3 2 1 1 2 29 29 41 0 1 1 1 13 39 22 47 4
MAX LVORI 5 4 2 2 2 2 3 4 5 4 2 2 1 2 3 4 4 4 1 2 1 2
STABILITY F A A A A F F F G A A A A G F F F A A A A G
CEILING None None None None None None None None None None
STA PRES 29.37 29.32 29.32 29.34 29.38 29.34 29.33 29.35 29.38 29.31
Date Sat 07/04/26Sun 07/05/26Mon 07/06/26Tue 07/07/26
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 75 101 74 101 72 98 71 93
TEMP 76 80101 91 76 77100 88 75 76 97 85 74 75 92 83
DEWPT 67 69 66 66 68 69 65 67 69 70 68 70 70 71 68 68
RH 74 69 32 44 76 76 32 50 82 82 39 61 87 87 46 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW SC FW FW B1 B1 SC SC B2 B1 B1 SC B1
POP 12HR 5 10 20 30 40 60 40 50
RAIN SHWRS IS SC SC NM SC SC
TSTMS IS SC SC SC SC 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