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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Fri Jun 26 2026
VAZ018-270800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EDT Fri Jun 26 2026
Date 06/25/26 Fri 06/26/26 Sat 06/27/26 Sun
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 65 88 67 84 67
TEMP 67 70 79 84 86 81 75 72 70 71 78 81 82 78 73 71 69 72
DEWPT 58 61 64 63 65 66 65 65 65 66 68 69 70 69 67 66 65 67
MIN/MAX RH 79 47 91 65 94
RH 73 73 60 49 50 60 71 79 84 84 71 67 67 74 81 84 87 84
WIND DIR W W W SW SW SW SW SW W W SW W W W W W W W
WIND SPD 3 3 3 4 4 3 3 2 2 3 6 6 8 5 4 3 3 4
WIND GUST 17 18 18 17
CLOUDS SC SC SC B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 B1 B1 SC B1 SC
CLOUDS(%) 42 39 33 53 60 61 67 62 84 62 76 80 68 53 53 49 54 50
VSBY 10 10 10 10 10 10 8 9 9 6 9 7 8 8 6 2 2 2
POP 12HR 0 30 40 60 30
RAIN SHWRS SC SC IS IS SC SC SC NM SC SC SC IS
TSTMS SC SC IS IS NM SC SC IS
MIX HGT <1 1 4 6 4 <1 <1 <1 <1 <1 3 3 3 1 <1 <1 <1 1
T WIND DIR W W W W S S SW SW W W SW W W SW W W W NW
T WIND SPD 6 10 8 5 4 4 4 4 4 8 12 19 19 14 4 3 3 16
DISPERSION VP VP VP VP VP PR VP VP VP
ADI 2 5 43 20 22 2 2 2 2 4 33 53 60 8 5 3 4 19
MAX LVORI 3 3 1 2 2 3 3 5 6 5 3 1 1 3 4 6 6 4
STABILITY F A A C C F F F F B C C C E E F F A
CEILING None None 2900 3200 2400 1700 2000 None None
STA PRES 27.87 27.91 27.87 27.86 27.83 27.82 27.78 27.77 27.75
Date 06/28Mon 06/29/26Tue 06/30/26Wed 07/01/26Thu 07/02/26
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 85 67 87 68 90 70 95 72 94
TEMP 82 79 71 72 84 81 72 74 87 83 74 75 91 86 77 77 91 86
DEWPT 67 67 65 66 66 67 64 65 66 67 64 66 65 68 65 68 64 68
RH 61 67 81 81 55 63 76 74 50 59 71 74 42 55 67 74 41 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC SC SC FW FW FW FW CL FW FW FW FW FW FW FW
POP 12HR 30 30 20 0 5 0 5 5 10
RAIN SHWRS IS SC SC IS
TSTMS IS SC 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