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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
932 PM EDT Thu Mar 26 2026
VAZ012-270800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
932 PM EDT Thu Mar 26 2026
Date 03/26/26 Fri 03/27/26 Sat 03/28/26 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 58 69 27 50 26
TEMP 61 61 60 60 68 69 62 51 43 36 29 27 40 48 50 42 33 29 27 29
DEWPT 52 53 53 53 54 54 51 45 38 29 21 18 15 11 11 13 16 15 15 15
MIN/MAX RH 80 59 81 20 61
RH 72 75 78 78 61 59 67 80 82 75 72 68 36 22 20 30 49 55 60 55
WIND DIR W W W W W W NW NW NW NW NW NW NW N N N E SE SE S
WIND SPD 4 6 8 8 6 5 5 5 6 6 6 6 5 4 3 2 1 2 2 2
WIND GUST 14 17 19 19 18 17 18 18
CLOUDS FW B1 B1 B2 B1 B2 OV OV B2 SC FW FW CL CL CL CL CL CL FW FW
CLOUDS(%) 8 66 60 71 59 86 92 91 74 45 23 16 4 5 4 3 2 5 9 22
VSBY 10 10 10 10 10 4 3 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 80 40 0 0
RAIN SHWRS SC O SC SC
MIX HGT <1 <1 <1 1 2 2 2 1 2 2 2 2 4 4 4 <1
T WIND DIR SW W W W W NW NW NW NW NW NW N N N N N
T WIND SPD 10 16 31 27 26 16 10 13 20 20 23 25 18 16 14 3
DISPERSION VP PR PR PR PR PR PR VP VP VP VP
ADI 5 11 28 36 52 34 18 9 14 14 10 77 81 79 70 2
MAX LVORI 3 3 3 3 1 1 3 4 4 3 3 1 1 1 1 2
STABILITY F E D D D D D E E E F B B B B G
CEILING 7000 800 500 200 None None None None
STA PRES 27.16 27.19 27.22 27.37 27.48 27.60 27.61
Date 03/29Mon 03/30/26Tue 03/31/26Wed 04/01/26Thu 04/02/26
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 61 41 67 50 75 54 80 53 76
TEMP 58 53 44 43 67 60 53 51 74 67 58 55 79 70 58 54 76 66
DEWPT 19 22 26 33 45 46 46 47 52 51 51 52 53 52 53 52 52 51
RH 22 29 49 67 45 60 77 86 46 56 77 90 41 53 83 93 43 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC B1 B1 SC SC SC B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 20 20 30 10 40 30 40
RAIN SHWRS IS IS IS SC IS SC SC IS IS SC
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