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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
932 AM EDT Mon Apr 6 2026
VAZ024-062000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
932 AM EDT Mon Apr 6 2026
Date Mon 04/06/26 Tue 04/07/26 Wed 04/08/26
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 66 40 62 31 60
TEMP 54 64 66 59 51 47 42 42 52 59 61 53 43 36 32 33 46 56 59 52
DEWPT 27 28 30 31 32 32 30 28 24 21 17 18 18 18 18 18 19 20 20 24
MAX/MIN RH 26 61 18 58 21
RH 35 25 26 34 48 56 62 57 33 23 18 25 36 47 56 53 34 24 22 33
WIND DIR W W W W W NW NW NW NW NW N N NE NE NE NE E SE SE SE
WIND SPD 4 8 8 3 2 2 2 3 5 6 4 2 2 2 2 2 3 5 4 2
WIND GUST 14 18 19 14 16
CLOUDS CL FW FW FW SC FW FW FW CL CL CL CL CL FW CL FW FW FW SC SC
CLOUDS(%) 5 8 9 19 27 25 7 7 5 4 3 5 5 7 5 9 9 25 26 30
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 0 0
MIX HGT 4 7 8 1 1 <1 <1 1 5 7 7 <1 <1 <1 <1 1 3 4 4 <1
T WIND DIR NW W W W NW NW NW NW NW NW NW N NE E E E SE SE SE SE
T WIND SPD 11 18 23 12 8 6 3 2 12 12 10 3 6 6 5 6 10 6 9 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 54136187 6 4 3 2 4 80 94 82 2 3 3 3 13 45 39 52 3
MAX LVORI 1 1 1 2 2 3 3 3 1 1 1 2 2 2 3 2 1 1 1 2
STABILITY A B B G G G G A A B A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.56 28.61 28.68 28.77 28.78 28.89 28.97 29.03 28.98
Date Thu 04/09/26Fri 04/10/26Sat 04/11/26Sun 04/12/26
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 33 67 43 75 48 83 54 84
TEMP 38 36 62 59 46 44 73 67 53 51 80 72 59 56 81 75
DEWPT 27 29 34 37 38 41 46 46 45 46 51 51 50 51 53 52
RH 64 75 35 44 73 89 38 47 74 83 36 48 72 83 38 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC FW SC SC FW FW FW FW SC FW FW FW SC
POP 12HR 5 5 10 5 5 20 5 10
RAIN SHWRS 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