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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Sun Jun 28 2026
VAZ018-282000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
731 AM EDT Sun Jun 28 2026
Date Sun 06/28/26 Mon 06/29/26 Tue 06/30/26
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 82 67 87 68 91
TEMP 70 73 77 78 74 70 68 68 70 78 84 84 77 72 70 69 71 81 88 88 80
DEWPT 67 70 72 72 71 68 67 66 68 71 70 70 71 69 68 67 68 71 71 70 72
MAX/MIN RH 80 96 61 93 53
RH 90 90 85 82 90 93 97 93 93 79 63 63 82 90 93 93 90 72 57 55 77
WIND DIR W W W NW NW N S S NE NE E E SE SE S S N S SE SE S
WIND SPD 3 2 3 3 2 1 1 1 1 2 2 2 2 1 1 1 0 1 2 2 2
CLOUDS B2 B2 B2 B1 SC SC SC B1 B1 SC SC SC SC SC B1 B1 SC SC SC FW FW
CLOUDS(%) 78 71 73 60 39 41 39 63 64 48 46 45 49 43 54 56 50 40 27 11 13
VSBY 3 6 9 10 10 7 2 1 4 10 10 10 10 9 4 1 5 10 10 10 10
POP 12HR 70 20 20 10 5
RAIN SHWRS NM NM SC SC IS IS IS
TSTMS IS SC SC IS IS IS
MIX HGT <1 2 3 3 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 1 3 5 5 <1
T WIND DIR W W SW S NW NW NW NW NW E NW N S SE SE SE S W W W SW
T WIND SPD 4 8 8 3 2 2 1 1 2 1 1 2 3 2 3 4 5 5 5 4 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 5 17 32 13 1 1 1 1 3 4 7 12 2 1 2 2 8 23 35 29 3
MAX LVORI 6 4 4 4 7 7 8 8 6 4 3 2 5 7 7 6 5 3 1 2 4
STABILITY B B B B G F G F B A A A F F F F A A A A G
CEILING 1700 None None 1100 None None None None None None
STA PRES 27.78 27.75 27.78 27.82 27.88 27.87 27.90 27.91 27.92 27.87
Date Wed 07/01/26Thu 07/02/26Fri 07/03/26Sat 07/04/26
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 70 95 71 97 72 95 72 96
TEMP 71 75 94 82 72 75 96 83 73 75 94 80 73 76 95 81
DEWPT 66 68 69 70 66 67 65 68 65 67 64 67 65 67 65 67
RH 84 79 44 67 81 76 36 61 76 76 37 65 76 74 37 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW B1
POP 12HR 5 5 5 0 20 10 10 40
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