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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 AM EDT Mon Mar 9 2026
VAZ024-100800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
232 AM EDT Mon Mar 9 2026
Date 03/08/26 Mon 03/09/26 Tue 03/10/26 Wed
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 48 74 48 80 57
TEMP 52 49 61 71 73 66 60 54 51 50 66 78 79 73 66 63 59 58
DEWPT 46 44 47 45 41 42 42 42 43 43 50 55 56 56 57 57 56 56
MIN/MAX RH 81 32 79 44 95
RH 80 83 60 39 31 42 51 64 74 77 56 45 45 55 73 81 90 93
WIND DIR NW NW W SW W W N W W NW SW SW SW S SW N N N
WIND SPD 2 1 2 4 4 1 0 1 1 1 2 5 5 1 1 0 0 0
CLOUDS FW FW FW FW CL FW FW FW FW FW FW FW SC FW FW SC B1 B2
CLOUDS(%) 13 21 12 10 5 6 22 16 12 16 13 24 48 20 12 36 56 77
VSBY 9 8 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 10 0
MIX HGT <1 <1 3 5 6 <1 <1 <1 <1 <1 2 5 6 <1 <1 <1 <1 <1
T WIND DIR NW NW NW W W S W W NW NW W W SW S S SW SW W
T WIND SPD 3 3 6 8 8 3 2 3 3 3 4 11 12 5 4 3 2 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 3 28 49 55 2 1 2 2 3 10 69 79 3 2 2 1 1
MAX LVORI 4 5 2 1 1 2 2 3 3 4 2 1 1 3 3 5 7 8
STABILITY G A B B B G G G G A B B B G G G F C
CEILING None None None None None None None None 20200
STA PRES 28.53 28.60 28.53 28.58 28.59 28.60 28.54 28.55 28.50
Date 03/11Thu 03/12/26Fri 03/13/26Sat 03/14/26Sun 03/15/26
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 82 49 53 32 63 40 65 43 71
TEMP 78 76 68 52 51 46 36 34 56 56 48 41 61 56 47 45 67 65
DEWPT 62 59 57 43 25 19 22 22 27 31 31 27 27 33 33 35 45 47
RH 58 56 68 71 36 34 56 61 32 38 51 57 27 42 58 68 45 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B2 B2 B2 SC FW SC B1 SC SC SC SC FW SC SC B1 B2
POP 12HR 50 70 50 5 10 5 0 0 10
RAIN SHWRS SC SC NM NM SC IS
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