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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1102 PM EDT Mon Apr 6 2026
VAZ024-070800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1102 PM EDT Mon Apr 6 2026
Date 04/06/26 Tue 04/07/26 Wed 04/08/26 Thu
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 39 62 29 60 33
TEMP 46 42 42 52 59 61 53 43 36 32 32 46 56 59 51 43 37 33 35
DEWPT 32 30 28 24 21 17 18 18 18 18 18 19 20 20 24 26 27 27 29
MIN/MAX RH 62 18 62 21 81
RH 58 62 57 33 23 18 25 36 47 56 56 34 24 22 34 51 67 78 78
WIND DIR NW NW NW NW NW N N NE NE NE NE E E SE E E E E NE
WIND SPD 2 2 3 5 5 4 2 2 2 2 2 3 5 4 2 2 1 1 1
CLOUDS SC SC FW FW FW FW CL CL CL CL CL CL FW FW FW FW SC SC SC
CLOUDS(%) 34 28 15 10 9 6 5 3 5 4 5 5 7 7 10 18 27 33 31
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 2 5 6 7 <1 <1 <1 <1 2 3 4 4 <1
T WIND DIR W NW NW NW NW N N NE NE NE E E E SE SE
T WIND SPD 4 8 18 17 12 9 4 8 5 5 11 8 9 10 6
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 4 47102 91 74 2 4 3 3 23 35 50 54 3
MAX LVORI 2 3 1 1 1 1 2 2 2 3 2 1 1 1 2
STABILITY F G A A A A G G G G A A A A G
CEILING None None None None None None None None
STA PRES 28.65 28.77 28.77 28.88 28.94 29.01 28.95
Date 04/09Fri 04/10/26Sat 04/11/26Sun 04/12/26Mon 04/13/26
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 66 40 76 47 82 54 80 55 86
TEMP 62 56 44 43 72 64 51 51 79 70 58 55 77 71 60 58 83 76
DEWPT 32 36 36 38 42 44 43 43 49 50 48 48 51 51 50 52 54 52
RH 32 47 73 82 34 48 74 74 35 49 69 77 40 49 69 80 37 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW FW SC SC FW SC SC FW FW SC SC SC
POP 12HR 5 10 5 5 10 5 5 0 5
$$
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