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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EST Sat Mar 7 2026
VAZ012-080900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1232 AM EST Sat Mar 7 2026
Date 03/06/26 Sat 03/07/26 Sun 03/08/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 54 76 56 65 48
TEMP 57 54 54 70 76 75 65 62 59 58 57 62 65 63 57 53 52 50 49
DEWPT 53 51 51 56 55 55 54 54 55 55 53 55 53 50 49 48 48 48 47
MIN/MAX RH 90 47 91 62 95
RH 86 90 90 61 48 50 68 75 87 90 86 78 65 62 75 83 86 93 93
WIND DIR S SW SW SW SW SW SW SW SW W W W W W W W W W W
WIND SPD 2 2 2 2 5 4 3 3 4 4 4 4 4 3 2 2 2 2 2
CLOUDS FW SC SC FW B1 B1 OV OV B2 OV OV OV OV B2 B2 B1 B1 B1 B2
CLOUDS(%) 21 32 42 23 67 66 90 90 84 92 89 91 90 81 76 67 59 69 72
VSBY 10 10 10 10 10 10 10 10 10 5 4 4 6 10 10 10 10 10 10
POP 12HR 5 50 80 70 10
RAIN SHWRS SC SC O O NM NM NM NM NM NM
TSTMS IS SC IS
MIX HGT <1 <1 <1 2 6 4 1 2 1 2 2 2 2 2 <1
T WIND DIR S S S S SW SW SW SW W W W W W NW SW
T WIND SPD 4 4 5 8 21 25 9 10 13 18 16 12 10 6 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 2 6 22 72 69 4 5 9 12 29 22 22 15 2
MAX LVORI 6 6 5 2 1 1 3 4 5 5 4 3 3 2 4
STABILITY G G B B D D F F E E D D D B F
CEILING None None 3000 2400 500 0 17200 35000
STA PRES 27.43 27.40 27.30 27.26 27.24 27.25 27.25
Date 03/09Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 71 50 74 55 74 44 55 33 54
TEMP 68 61 52 51 73 63 57 56 73 64 55 44 53 43 36 34 51 47
DEWPT 47 46 47 47 53 53 52 52 55 53 49 39 29 26 25 25 30 34
RH 47 58 83 86 49 70 83 86 53 67 80 82 39 51 64 69 44 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B1
POP 12HR 20 30 50 30 60 80 50 20 20
RAIN C C S S S S
RAIN SHWRS IS IS SC SC SC SC SC SC NM O O
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