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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Fri Jun 26 2026
VAZ018-270800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
831 PM EDT Fri Jun 26 2026
Date 06/26/26 Sat 06/27/26 Sun 06/28/26 Mon
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 66 82 68 86 67
TEMP 71 68 68 70 79 82 80 73 70 70 69 71 79 85 86 79 71 68 67 70
DEWPT 65 65 65 66 69 71 71 70 68 67 67 68 70 70 69 68 67 66 65 66
MIN/MAX RH 91 68 94 58 94
RH 81 90 90 87 72 69 74 90 93 90 93 90 74 61 57 69 87 93 93 87
WIND DIR NW N NW W SW W SW W W W W W W NW NW NW NW N N N
WIND SPD 1 0 1 1 4 5 5 4 3 2 2 3 3 4 4 2 1 0 0 0
WIND GUST 17 18 18 17 14 12 13 16 14 14 13
CLOUDS B2 B2 B2 B1 B2 OV B2 B2 B1 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC
CLOUDS(%) 73 72 75 63 84 92 86 75 69 79 75 59 64 67 53 40 30 30 54 48
VSBY 7 5 4 4 8 10 8 10 4 2 2 3 10 10 10 10 7 2 1 5
POP 12HR 40 80 40 30 10
RAIN SHWRS SC IS SC SC O NM SC SC IS IS SC SC
TSTMS SC IS SC SC IS IS SC SC
Obvis PF PF PF
MIX HGT <1 <1 <1 <1 3 3 3 <1 <1 <1 <1 1 3 4 5 2
T WIND DIR E E NW SW W SW SW W W W W W W W W NW
T WIND SPD 3 1 1 2 9 10 19 8 13 9 8 14 18 12 12 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 3 29 32 59 5 6 4 4 24 69 47 50 4
MAX LVORI 6 6 7 6 3 3 3 5 5 6 6 4 3 1 1 3
STABILITY F F F B C C C E F F F B A C C G
CEILING 3700 1600 3900 1200 700 1200 1200 None None
STA PRES 27.87 27.86 27.86 27.79 27.78 27.77 27.78 27.74
Date 06/29Tue 06/30/26Wed 07/01/26Thu 07/02/26Fri 07/03/26
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 90 68 93 70 95 73 97 73 95
TEMP 87 81 70 71 91 83 71 73 94 83 73 76 96 82 74 77 94 81
DEWPT 69 67 64 65 66 65 61 61 61 62 62 64 60 62 63 65 60 66
RH 55 63 81 81 44 55 71 66 34 49 68 66 30 51 69 67 32 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC SC FW CL FW FW FW CL FW FW FW FW FW FW B1
POP 12HR 20 5 5 5 5 5 10 5 30
RAIN SHWRS IS SC
TSTMS 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