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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 AM EST Wed Mar 4 2026
VAZ024-050900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
132 AM EST Wed Mar 4 2026
Date 03/03/26 Wed 03/04/26 Thu 03/05/26 Fri
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 40 65 51 78 57
TEMP 43 45 54 61 62 65 59 56 53 52 64 76 78 72 66 63 59 57
DEWPT 41 41 50 54 55 54 53 52 51 51 56 57 56 55 55 54 54 54
MIN/MAX RH 99 67 96 47 90
RH 93 86 86 78 78 68 80 86 93 96 75 52 47 55 68 72 83 90
WIND DIR W W W W W NE SE E SW SW SW SW S S SW SW SW W
WIND SPD 2 1 1 2 2 1 1 1 1 1 2 4 4 2 2 2 2 1
WIND GUST 14
CLOUDS B2 B1 B2 B2 B2 B2 B1 SC B1 B1 B1 SC B1 SC SC SC SC B1
CLOUDS(%) 85 67 75 77 79 70 52 48 69 63 59 40 55 47 42 34 49 69
VSBY 8 6 10 10 9 9 8 6 10 5 9 8 8 8 8 8 8 8
POP 12HR 20 40 10 20 10
RAIN
RAIN SHWRS IS SC IS IS IS
Obvis PF+PF+
MIX HGT <1 <1 1 2 2 <1 <1 <1 <1 <1 1 4 5 1 1 <1 <1 <1
T WIND DIR SW W W W SW S S S SW SW W SW SW SW SW SW W NW
T WIND SPD 3 3 2 6 8 3 8 5 4 4 12 18 17 6 2 2 2 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 3 3 18 18 2 4 3 2 4 18 86 53 3 1 1 1 2
MAX LVORI 7 6 6 3 3 3 5 6 8 6 3 1 1 3 3 3 5 6
STABILITY F C C B C F F F F C B B D F F G F C
CEILING 500 500 5000 3100 3900 None None None None
STA PRES 28.73 28.73 28.68 28.67 28.63 28.65 28.60 28.63 28.66
Date 03/06Sat 03/07/26Sun 03/08/26Mon 03/09/26Tue 03/10/26
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 82 59 81 59 75 53 76 55 80
TEMP 80 75 63 60 80 74 64 59 74 66 59 53 73 69 60 55 77 74
DEWPT 59 58 57 56 60 58 57 54 51 47 47 46 50 50 51 52 58 56
RH 49 55 81 87 51 57 78 83 44 50 64 77 44 51 72 90 52 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC B2 B1 B2 B1 B1 SC SC SC B1 SC B1 SC B1
POP 12HR 20 10 60 40 40 20 30 20 30
RAIN SHWRS IS NM SC IS SC IS IS SC IS SC
TSTMS IS 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