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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Thu Jun 25 2026
VAZ046-260800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Thu Jun 25 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 68 94 69 92 69
TEMP 73 71 68 71 86 92 93 85 76 73 71 73 85 90 89 82 75 71 69 73
DEWPT 60 60 60 62 64 63 64 66 67 67 67 69 70 69 70 70 70 69 68 69
MIN/MAX RH 75 37 91 50 97
RH 64 68 76 73 48 38 38 53 74 81 87 87 61 50 54 67 84 93 97 87
WIND DIR S SW SW SW SW SW S SW SW SE SE SW SW SW W W W W W NW
WIND SPD 5 5 5 5 6 8 9 5 5 4 3 5 8 9 9 5 3 3 4 4
CLOUDS SC SC B1 SC SC SC B1 B1 B1 SC B2 B2 B1 B2 B1 B1 B1 SC SC SC
CLOUDS(%) 36 39 57 39 39 28 54 55 60 47 76 73 65 77 65 57 54 31 32 36
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 20 20 50 30
RAIN SHWRS IS IS IS IS SC SC SC SC
TSTMS IS IS SC SC SC IS
MIX HGT <1 <1 <1 <1 4 8 6 <1 <1 <1 <1 1 4 5 4 <1
T WIND DIR S SW SW SW W SW SW SW SW SW SW SW SW SW SW W
T WIND SPD 3 4 3 10 11 12 16 18 8 6 10 18 25 28 26 16
DISPERSION PR PR PR PR PR VP VP PR VP VP VP
ADI 2 3 2 11 64102108 12 5 3 7 31 91120102 11
MAX LVORI 3 3 4 3 1 1 1 2 4 5 5 4 1 1 1 3
STABILITY F E E B A B B E E F E C C C C E
CEILING None None None None None 10600 6200 5200 None
STA PRES 29.32 29.35 29.37 29.30 29.28 29.23 29.17 29.15
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 88 67 89 67 94 70 98 72 100
TEMP 85 83 70 71 86 84 68 70 91 88 72 74 96 90 74 77 98 93
DEWPT 70 69 68 68 66 65 63 64 64 65 63 65 65 66 65 67 67 67
RH 61 63 93 90 51 53 84 81 41 47 73 74 36 45 74 71 37 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC SC SC CL FW FW FW FW FW FW FW SC FW FW FW
POP 12HR 30 20 10 5 5 5 10 20 10
RAIN SHWRS SC IS IS
TSTMS SC IS 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
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