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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EST Fri Mar 6 2026
VAZ046-070900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1232 AM EST Fri Mar 6 2026
Date 03/05/26 Fri 03/06/26 Sat 03/07/26 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
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 59 80 55 78 63
TEMP 64 61 60 69 79 79 69 64 59 58 56 65 75 78 73 69 67 64 63
DEWPT 55 56 55 58 58 58 56 56 55 55 56 59 61 60 58 59 59 59 58
MIN/MAX RH 86 48 97 55 84
RH 73 84 84 68 49 49 63 75 87 90100 81 62 54 59 70 75 84 84
WIND DIR SW SW SW SW SW S SE E E E S SW SW SW SW SW SW SW SW
WIND SPD 8 6 5 5 5 5 4 4 4 4 4 9 12 12 10 11 10 10 8
WIND GUST 19 17 19 24 25 23 25 23 20 18
CLOUDS B1 B1 B1 SC FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B2 B2
CLOUDS(%) 52 67 68 36 16 28 39 43 39 57 58 54 57 57 55 55 48 71 72
VSBY 10 10 10 10 10 10 10 7 6 5 4 9 10 10 10 10 10 10 10
POP 12HR 5 20 20 40 30
RAIN SHWRS IS IS IS SC SC SC SC IS
MIX HGT <1 <1 <1 1 4 6 <1 <1 <1 <1 <1 1 2 4 <1
T WIND DIR SW SW SW SW SW S NE NE E E E S S S SW
T WIND SPD 8 9 5 5 3 4 9 6 5 4 3 3 5 11 9
DISPERSION PR PR VP VP VP VP FR FR FR FR
ADI 7 6 6 9 18 29 4 5 3 3 4 5 11 30 8
MAX LVORI 3 4 5 3 2 2 3 4 6 6 8 4 2 1 3
STABILITY D E D B B B F E F E D D D D D
CEILING 500 None None None None None None None
STA PRES 29.46 29.53 29.54 29.59 29.56 29.53 29.42
Date 03/08Mon 03/09/26Tue 03/10/26Wed 03/11/26Thu 03/12/26
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 74 53 74 56 79 61 80 55 65
TEMP 73 66 59 54 72 67 59 57 77 72 65 63 78 74 68 60 57 50
DEWPT 55 50 49 48 49 49 50 51 57 57 58 58 59 56 57 50 41 28
RH 53 56 69 80 44 52 72 80 50 59 78 84 52 53 68 69 55 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2
POP 12HR 40 20 20 10 20 10 30 50 50
RAIN SHWRS IS SC IS IS IS SC SC SC SC 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