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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 AM EST Sat Mar 7 2026
WVZ043-072100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
432 AM EST Sat Mar 7 2026
Date Sat 03/07/26 Sun 03/08/26 Mon 03/09/26
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 76 56 62 46 68
TEMP 55 67 74 74 67 62 60 59 57 59 60 61 56 52 49 48 47 58 66 68 62
DEWPT 53 57 55 53 54 56 57 56 56 56 52 47 45 45 45 47 46 49 44 41 44
MAX/MIN RH 47 97 61 100 38
RH 93 70 51 48 63 81 90 90 96 90 75 60 66 77 86 96 96 72 45 37 52
WIND DIR S SW SW SW SW SW W W W W W W W W SW SW SW W W W SW
WIND SPD 3 5 10 10 6 6 5 5 5 6 9 6 3 2 2 2 2 5 8 6 3
WIND GUST 21 21 18 17 17 17 17 18 19 17 18
CLOUDS SC FW B1 B1 B2 B2 B2 OV B2 OV B2 B1 SC FW SC SC SC FW SC SC FW
CLOUDS(%) 49 16 59 69 82 78 86 89 79 89 80 52 26 23 28 31 34 23 30 30 10
VSBY 10 10 10 10 10 10 10 8 6 7 8 10 10 10 10 10 10
POP 12HR 60 90 70 10 20
RAIN SHWRS SC SC NM NM NM NM NM NM SC SC IS IS
TSTMS SC SC IS IS IS
MIX HGT <1 3 7 6 1 <1 2 2 2 2 3 5 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR SE S SW SW SW SW W W W W W W W W W W W W W W SW
T WIND SPD 3 4 25 25 11 11 16 23 10 18 17 14 8 2 2 2 3 9 12 12 3
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 4 15 87 82 8 8 11 15 19 35 41 44 4 1 1 1 4 37 83 81 2
MAX LVORI 6 3 1 1 3 4 5 5 5 4 3 1 3 4 5 8 9 3 1 1 2
STABILITY B B D D E E E E D D D D G G G G B B B B G
CEILING None 3900 3500 500 100 None None None None None
STA PRES 27.79 27.66 27.62 27.61 27.63 27.63 27.67 27.68 27.71 27.67
Date Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
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 51 73 57 74 39 48 29 54
TEMP 53 52 71 66 60 59 73 69 59 40 40 38 33 30 51 49
DEWPT 47 49 55 55 56 56 55 54 51 39 25 21 22 23 26 30
RH 80 89 57 68 87 90 53 59 75 96 55 50 63 75 37 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B1 B1 B1 B2 B2 B2 OV OV B2 SC FW SC B1 B1
POP 12HR 30 50 30 60 90 40 10 20
RAIN SHWRS SC SC SC SC IS SC NM O NM SC IS IS
SNOWSHWRS SC 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