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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Mon Mar 9 2026
VAZ046-100800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
802 PM EDT Mon Mar 9 2026
Date 03/09/26 Tue 03/10/26 Wed 03/11/26 Thu
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 51 81 61 82 49
TEMP 59 56 53 53 69 79 81 72 67 65 62 61 70 77 79 78 73 72 65 53
DEWPT 45 45 44 44 48 52 54 56 57 57 58 58 62 62 61 57 57 57 56 51
MIN/MAX RH 74 39 90 48 94
RH 60 66 71 71 47 39 39 57 70 75 87 90 76 60 54 48 57 59 73 93
WIND DIR SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW W
WIND SPD 3 3 2 2 5 8 8 3 5 5 5 5 8 10 12 10 13 13 13 13
WIND GUST 21 24 24 27 27 28 27
CLOUDS FW FW FW FW CL CL FW FW FW SC B1 B2 B2 B1 B1 B1 B1 B2 OV OV
CLOUDS(%) 6 11 25 14 5 5 16 10 9 39 62 79 71 53 53 56 55 71 89 92
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 5 30 50
RAIN C
RAIN SHWRS SC SC SC O
MIX HGT <1 <1 <1 <1 1 5 6 <1 <1 <1 <1 <1 1 4 5 <1
T WIND DIR SW SW SW SW W SW SW S SW SW SW S SW SW SW SW
T WIND SPD 4 4 3 3 5 11 14 5 5 5 5 5 11 12 26 12
DISPERSION VP VP VP VP PR PR PR FR FR FR FR
ADI 2 2 2 4 8 62103 3 3 3 4 4 17 44 78 11
MAX LVORI 3 3 3 3 2 1 1 3 3 4 6 6 3 1 1 2
STABILITY G G G B B B B F F F E C D C D D
CEILING None None None None None 21900 8100 None 15700
STA PRES 29.38 29.39 29.42 29.36 29.38 29.31 29.29 29.18
Date 03/12Fri 03/13/26Sat 03/14/26Sun 03/15/26Mon 03/16/26
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 60 32 59 43 67 45 73 50 59
TEMP 52 46 37 33 55 56 50 43 64 60 50 47 70 69 63 51 58 49
DEWPT 34 22 22 23 24 29 33 31 34 37 37 40 48 49 50 42 28 23
RH 50 38 54 66 30 35 52 62 32 42 61 76 45 49 62 71 32 36
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B1 SC FW SC FW SC SC B1 SC FW SC FW SC B2 B2 B2 B1
POP 12HR 80 0 0 0 0 0 20 50 40
RAIN SHWRS O SC IS 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