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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Thu Mar 5 2026
VAZ046-052100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
702 AM EST Thu Mar 5 2026
Date Thu 03/05/26 Fri 03/06/26 Sat 03/07/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 77 60 81 59 79
TEMP 65 76 77 70 67 65 62 60 70 79 80 72 65 62 61 59 67 77 79 74
DEWPT 56 57 55 55 55 55 56 56 59 59 58 57 57 57 57 57 60 61 61 58
MAX/MIN RH 48 87 47 91 54
RH 73 52 47 59 65 70 81 87 68 50 47 59 75 84 87 93 78 58 54 57
WIND DIR SW SW SW S SW SW SW SW SW SW S SE SE S S S SW SW SW SW
WIND SPD 8 9 9 6 8 8 6 5 5 5 5 4 4 4 5 5 9 11 11 9
WIND GUST 18 19 19 17 19 23 23 21
CLOUDS B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1
CLOUDS(%) 62 34 46 44 48 45 59 62 34 33 33 31 27 36 44 42 59 53 53 57
VSBY 7 7 8 8 8 9 9 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 20 10 30
RAIN SHWRS IS IS SC SC SC
MIX HGT 1 3 4 <1 <1 <1 <1 <1 1 5 5 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR SW W SW SW SW SW SW SW SW SW S S E E E E S SW SW S
T WIND SPD 17 14 14 8 8 9 6 6 8 9 9 8 5 5 4 3 8 18 24 13
DISPERSION PR PR PR PR VP VP VP PR PR
ADI 24 49 58 5 7 8 5 8 12 48 54 4 3 3 3 4 15 50 69 12
MAX LVORI 3 1 1 3 3 3 4 5 3 1 1 3 4 5 6 6 4 1 1 2
STABILITY D C C E D D E D B B B F F F E B D D D D
CEILING None None None 800 None None None None None None
STA PRES 29.46 29.39 29.43 29.45 29.52 29.51 29.52 29.50 29.46 29.35
Date Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 62 73 52 73 55 80 63 80
TEMP 67 62 72 67 58 53 71 67 60 56 77 73 66 64 78 75
DEWPT 59 57 55 50 49 49 51 51 52 52 57 56 58 59 60 58
RH 75 84 55 54 72 86 49 56 75 86 50 55 75 84 54 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B1 SC SC B1 SC B1 SC SC SC B1 B2 B1
POP 12HR 40 40 20 20 10 20 10 40
RAIN SHWRS SC SC SC SC IS IS IS IS IS SC
$$
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