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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Mon Jun 22 2026
VAZ024-222000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
331 AM EDT Mon Jun 22 2026
Date Mon 06/22/26 Tue 06/23/26 Wed 06/24/26
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 91 65 86 56 88
TEMP 65 70 86 87 84 78 71 69 67 68 79 84 84 76 66 60 57 62 78 85 87 80
DEWPT 60 62 66 68 70 69 68 68 66 66 64 61 59 57 56 54 53 55 55 53 53 58
MAX/MIN RH 47 98 42 89 30
RH 84 76 51 53 63 74 90 97 97 93 60 46 43 52 70 81 86 78 45 33 31 47
WIND DIR N E SW SW W S SW SW SW W NW NW NW NW NW NW NW N N SW SW S
WIND SPD 0 1 6 6 4 3 2 2 3 4 6 6 8 5 3 1 1 0 0 2 3 1
WIND GUST 18 17 16 17 18 21
CLOUDS B2 SC SC OV B2 B1 B1 B2 B1 SC SC B1 SC SC FW CL CL CL CL FW FW FW
CLOUDS(%) 73 45 34 97 71 62 64 70 52 44 43 55 49 37 15 5 4 5 5 12 7 8
VSBY 10 10 10 4 6 5 10 9 10 10 10 9 10 10 10 10 10 10
POP 12HR 100 40 10 0 0
RAIN SHWRS O NM SC
TSTMS O NM SC
MIX HGT <1 <1 4 4 3 <1 <1 <1 <1 2 4 5 5 <1 <1 <1 <1 <1 5 6 7 <1
T WIND DIR E SE S SW SW W W W NW W NW NW N N N NW NW NW N W W S
T WIND SPD 1 3 11 27 21 10 9 3 6 3 14 12 16 19 5 4 3 2 3 2 3 1
DISPERSION VP VP VP VP VP PR VP VP VP VP
ADI 0 4 61108 67 5 4 2 3 8 75 53 96 9 3 2 2 3 21 18 27 1
MAX LVORI 6 4 1 1 1 3 6 8 8 5 1 1 1 2 3 5 6 4 2 2 2 2
STABILITY F A B C C F F F F A B C B F G G G A A A A G
CEILING None 4100 1900 None None None None None None None
STA PRES 28.41 28.37 28.42 28.41 28.44 28.48 28.56 28.57 28.59 28.55
Date Thu 06/25/26Fri 06/26/26Sat 06/27/26Sun 06/28/26
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 61 91 65 91 64 90 65 91
TEMP 64 66 88 82 69 69 89 82 69 68 88 82 69 70 89 84
DEWPT 55 58 63 66 64 66 65 66 64 65 65 67 65 65 66 68
RH 73 75 43 58 84 90 45 58 84 90 47 61 87 84 47 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC
POP 12HR 0 20 20 50 40 40 20 30
RAIN SHWRS IS IS SC SC SC SC SC SC IS IS SC
TSTMS IS IS SC SC 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