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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EDT Tue Jun 30 2026
VAZ024-010800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
931 PM EDT Tue Jun 30 2026
Date 06/30/26 Wed 07/01/26 Thu 07/02/26 Fri
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 68 98 70 102 72
TEMP 75 72 69 73 89 95 98 89 76 72 70 75 92101102 92 78 74 72 76
DEWPT 70 68 67 69 72 70 69 70 71 70 69 71 71 68 66 69 68 68 68 69
MIN/MAX RH 94 39 98 32 86
RH 84 87 93 87 57 45 39 54 85 93 97 87 51 35 31 47 71 82 87 79
WIND DIR S N N N N N SW SW N N N N N SE SE SE N N N N
WIND SPD 1 0 0 0 0 0 2 1 0 0 0 0 0 2 3 1 0 0 0 0
CLOUDS SC SC FW CL CL FW CL CL CL CL FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 29 28 10 5 1 8 4 2 4 4 11 13 6 13 9 15 16 18 22 11
VSBY 10 7 6 8 10 10 10 10 10 8 5 10 10 10 10 10 10 9 8 10
POP 12HR 5 5 0 5 0
RAIN SHWRS
TSTMS
Obvis F PF PF
MIX HGT <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 4 7 8 <1
T WIND DIR S S S NW N W W SW SW NW NW N NE E W W
T WIND SPD 4 3 2 2 4 2 4 4 2 2 3 4 4 1 1 1
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 1 2 22 16 33 2 1 1 2 4 24 10 11 1
MAX LVORI 5 6 7 6 2 2 1 2 5 7 8 5 2 2 2 2
STABILITY 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
STA PRES 28.61 28.62 28.57 28.58 28.60 28.65 28.61
Date 07/03Sat 07/04/26Sun 07/05/26Mon 07/06/26Tue 07/07/26
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 99 72 101 70 97 69 94 68 91
TEMP 98 89 73 76100 86 72 74 96 83 71 73 92 81 70 71 89 81
DEWPT 65 68 67 69 67 70 68 70 68 71 69 70 71 71 69 69 70 70
RH 34 50 81 79 34 59 87 87 40 67 93 90 51 72 97 93 54 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW B1 B1 SC SC B2 B1 SC SC B2 B1 SC B1 B1
POP 12HR 5 5 30 30 60 40 60 40 50
RAIN SHWRS SC SC NM SC NM SC IS SC
TSTMS 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