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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Jun 23 2026
VAZ018-240800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
431 PM EDT Tue Jun 23 2026
Date 06/23/26 Wed 06/24/26 Thu 06/25/26 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 55 82 59 88 66
TEMP 75 68 62 58 55 59 72 79 80 71 63 61 60 64 78 85 87 79 70 68 67 70
DEWPT 59 54 52 51 50 51 52 52 52 55 52 52 51 54 58 58 59 61 60 60 60 62
MIN/MAX RH 83 36 75 38 80
RH 58 61 70 77 83 75 49 39 38 57 67 72 72 70 50 40 39 54 71 76 78 76
WIND DIR NW N NW NW NW NW N W W NW N N N N S SW SW SW SW SW W SW
WIND SPD 10 8 4 3 2 2 2 2 3 2 0 0 0 0 3 4 5 2 2 2 2 1
WIND GUST 25 24 17 12
CLOUDS FW CL CL CL CL FW FW SC FW SC FW SC FW SC FW FW FW FW FW SC B1 SC
CLOUDS(%) 12 2 1 1 4 7 21 37 23 27 23 27 20 26 14 19 17 16 25 36 51 41
VSBY 10 10 10 7 5 4 10 10 10 10 9 10 10 10 10 10 10 10 10 9 7 10
POP 12HR 0 0 0 5 5
RAIN SHWRS IS
MIX HGT 4 2 <1 <1 <1 1 4 6 6 <1 <1 <1 <1 <1 5 7 8 <1
T WIND DIR N N NW NW NW N N NW W S SE SE SW SW SW SW SW S
T WIND SPD 25 23 6 5 5 8 5 1 3 5 3 2 1 1 11 10 8 12
DISPERSION PR VP VP VP VP VP VP VP VP VP VP VP
ADI 127 15 3 3 3 12 28 8 25 3 2 1 1 1 69 85 75 6
MAX LVORI 1 2 3 4 5 4 2 2 2 3 3 3 4 3 1 1 1 3
STABILITY B E F 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
STA PRES 27.84 27.87 27.89 27.85 27.85 27.85 27.85 27.82
Date 06/26Sat 06/27/26Sun 06/28/26Mon 06/29/26Tue 06/30/26
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 89 68 83 69 86 68 90 68 93
TEMP 87 76 70 71 81 75 70 72 84 78 69 71 88 80 70 72 91 83
DEWPT 67 68 65 67 72 69 66 68 71 69 65 67 69 68 64 66 68 68
RH 52 76 84 87 74 82 87 87 65 74 87 87 54 67 81 81 47 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 B2 B1 B1 SC SC B1 SC FW SC SC FW FW FW FW
POP 12HR 50 50 60 20 30 10 20 5 10
RAIN SHWRS IS SC SC SC NM SC IS IS IS SC IS
TSTMS IS SC SC IS SC IS SC IS
$$
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