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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Thu Apr 9 2026
VAZ018-100800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
802 PM EDT Thu Apr 9 2026
Date 04/09/26 Fri 04/10/26 Sat 04/11/26 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 43 78 54 75 51
TEMP 48 45 43 45 67 76 77 66 60 56 54 55 67 73 74 65 57 54 52 52
DEWPT 27 27 27 29 35 39 36 36 38 38 41 46 50 46 43 43 43 42 42 44
MIN/MAX RH 52 22 71 33 73
RH 44 49 53 53 30 26 23 33 44 51 61 72 54 38 33 45 59 64 69 74
WIND DIR W W W W W W W W W W W NW NW NW NW NW NW E SE SE
WIND SPD 1 1 1 1 1 3 3 2 2 3 3 3 4 5 3 2 1 2 2 2
WIND GUST 13 12 13 13 14 18 17 13
CLOUDS CL CL FW CL CL FW FW FW FW FW SC SC SC SC SC FW FW FW SC B1
CLOUDS(%) 4 5 6 5 3 7 7 14 16 21 39 46 34 33 33 15 10 24 40 60
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 20 5
RAIN SHWRS IS IS
MIX HGT <1 <1 <1 <1 3 6 8 <1 <1 <1 <1 <1 4 5 5 <1
T WIND DIR SE SW W W W W W W W W W NW NW NW NW S
T WIND SPD 3 2 2 3 8 11 11 4 6 6 6 9 16 10 3 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 3 28 87102 2 3 3 3 9 73 63 23 1
MAX LVORI 2 2 2 2 2 1 1 2 2 2 3 3 1 1 2 2
STABILITY G 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 28.11 28.07 28.07 27.99 28.00 27.99 28.06 28.03
Date 04/12Mon 04/13/26Tue 04/14/26Wed 04/15/26Thu 04/16/26
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 78 59 80 59 86 62 89 63 86
TEMP 73 70 62 61 77 72 61 61 83 76 65 63 87 79 67 65 83 75
DEWPT 49 46 43 46 46 44 46 48 54 53 52 53 52 51 51 52 51 50
RH 43 42 50 58 33 37 58 62 37 45 63 70 30 38 56 63 33 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 0 5 5 10 0 10 5 20
RAIN SHWRS IS
TSTMS 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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