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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
236 AM EDT Mon Apr 6 2026
VAZ012-070800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
236 AM EDT Mon Apr 6 2026
Date 04/05/26 Mon 04/06/26 Tue 04/07/26 Wed
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 33 60 36 56 28
TEMP 34 34 50 59 60 51 46 42 37 36 49 53 55 47 36 31 28 30
DEWPT 28 27 27 28 29 30 32 30 29 27 26 21 18 17 18 18 17 17
MIN/MAX RH 79 30 71 23 63
RH 78 75 41 30 31 44 58 62 72 69 40 28 23 30 47 58 63 58
WIND DIR NW NW NW NW W W NW NW NW NW NW NW NW N NE E E E
WIND SPD 4 3 5 5 5 3 3 3 3 4 5 4 3 2 2 2 2 3
CLOUDS FW SC FW FW FW SC SC SC FW FW FW FW CL CL CL FW FW FW
CLOUDS(%) 19 27 15 16 13 30 35 31 10 11 6 10 4 5 5 6 8 17
VSBY 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 <1 1 3 5 6 <1 <1 <1 <1 1 3 5 4 <1 <1 <1 <1 1
T WIND DIR NW NW NW NW W W NW NW NW NW NW NW NW N NE E E SE
T WIND SPD 12 16 16 23 25 9 9 9 6 5 16 13 10 4 3 3 11 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 25 56150183 4 4 4 3 8 68 78 59 2 2 2 5 16
MAX LVORI 4 3 1 1 1 2 3 3 3 3 1 1 1 2 2 3 3 2
STABILITY F A A A A G G G G A A A A G G G G A
CEILING None None None None None None None None None
STA PRES 27.33 27.36 27.32 27.34 27.38 27.47 27.47 27.55 27.58
Date 04/08Thu 04/09/26Fri 04/10/26Sat 04/11/26Sun 04/12/26
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 58 32 63 38 72 44 78 49 79
TEMP 55 50 36 34 60 55 42 41 70 62 47 47 76 67 52 51 77 70
DEWPT 23 23 25 26 32 33 36 38 41 40 41 42 46 47 46 46 48 47
RH 29 34 64 72 35 43 79 89 35 44 79 83 34 49 80 83 36 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 SC SC FW SC FW FW FW FW FW FW FW FW FW SC
POP 12HR 0 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