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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EDT Sat Mar 14 2026
VAZ024-150800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
201 AM EDT Sat Mar 14 2026
Date 03/13/26 Sat 03/14/26 Sun 03/15/26 Mon
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 42 64 39 62 51
TEMP 45 42 52 61 63 57 48 45 41 40 49 58 61 53 52 52 54 56
DEWPT 28 23 20 19 21 26 27 27 30 31 38 43 46 46 49 51 53 54
MIN/MAX RH 54 19 71 56 96
RH 51 46 28 19 20 30 44 49 65 70 66 57 58 77 89 96 96 93
WIND DIR W W W W W E E E E E E SE SE E E SE S S
WIND SPD 5 4 5 5 2 1 1 2 2 2 3 5 5 4 5 6 9 9
WIND GUST 19 17 16 16 16 20 25
CLOUDS FW FW SC B1 SC SC FW FW SC SC B2 B2 B2 OV OV OV OV OV
CLOUDS(%) 7 10 32 58 40 29 21 25 44 41 74 71 76 99100100 98 96
VSBY 10 10 10 10 10 7 10 10 10 10 6 8 8 3 1 0 2 10
POP 12HR 0 0 0 20 60
RAIN SHWRS IS IS NM NM NM NM NM
MIX HGT 2 1 4 4 4 <1 <1 <1 <1 <1 2 2 3 2 2 2 2 2
T WIND DIR W W W W W E E E E E E E E E E SE S S
T WIND SPD 9 9 16 16 9 2 3 6 6 5 6 6 9 6 5 6 12 14
DISPERSION PR VP VP VP VP VP PR PR PR
ADI 4 13 69 61 47 1 2 3 3 6 16 14 24 5 8 8 14 31
MAX LVORI 2 2 1 1 1 2 2 2 3 3 3 2 2 4 5 6 5 4
STABILITY F B B C B G G G F B C D D E D D D D
CEILING None None None None None 1800 800 200 400
STA PRES 28.49 28.62 28.65 28.69 28.67 28.67 28.54 28.40 28.26
Date 03/16Tue 03/17/26Wed 03/18/26Thu 03/19/26Fri 03/20/26
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 63 27 39 20 47 30 60 38 68
TEMP 62 51 34 27 38 34 26 23 44 42 35 32 57 53 43 39 65 59
DEWPT 56 37 19 13 8 6 9 12 12 20 22 22 32 38 35 35 41 40
RH 81 59 54 55 28 30 48 62 27 41 59 66 38 57 73 85 41 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B1 SC B1 SC FW SC SC SC B1 B1 SC SC FW FW SC SC
POP 12HR 90 10 0 0 5 5 5 5 20
RAIN SHWRS O O 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