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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Sun Apr 5 2026
NCZ003-052000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
802 AM EDT Sun Apr 5 2026
Date Sun 04/05/26 Mon 04/06/26 Tue 04/07/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 69 38 67 40 62
TEMP 64 66 66 58 50 45 40 40 53 64 66 59 50 45 41 43 54 60 61 54
DEWPT 61 57 49 42 37 34 31 29 31 32 32 34 34 34 34 34 33 28 24 24
MAX/MIN RH 53 70 27 75 24
RH 90 73 54 55 61 65 70 64 43 30 28 39 54 65 76 70 45 29 24 31
WIND DIR W W NW NW NW NW NW NW NW NW NW W W W NW NW NW NW N N
WIND SPD 4 4 6 5 6 6 5 4 4 5 5 2 2 2 2 3 5 5 4 2
WIND GUST 18 19 24 24 21 18 14 16
CLOUDS OV B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 92 71 55 39 6 7 6 6 9 10 19 22 15 22 16 14 7 6 7 9
VSBY 3 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 100 0 0 0 0
RAIN SHWRS O IS
TSTMS IS
MIX HGT 2 3 4 1 1 1 1 1 3 6 7 <1 <1 <1 1 1 4 6 6 <1
T WIND DIR SW W W NW NW NW NW NW NW NW NW W W W W NW NW NW N N
T WIND SPD 8 20 17 24 17 18 18 16 17 16 17 8 6 5 5 17 25 19 14 12
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 18 63 74 11 8 8 8 29 75119141 4 3 3 3 29140141108 6
MAX LVORI 4 3 1 2 3 3 3 3 1 1 1 2 3 3 3 3 1 1 1 2
STABILITY C C B F F F F A A A A G G G G A A A A G
CEILING 500 None None None None None None None None None
STA PRES 28.07 28.08 28.16 28.21 28.27 28.20 28.22 28.23 28.34 28.39
Date Wed 04/08/26Thu 04/09/26Fri 04/10/26Sat 04/11/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 33 60 36 67 43 76 48 80
TEMP 38 35 56 54 40 38 63 60 47 46 73 67 53 50 78 71
DEWPT 22 23 27 30 32 31 40 42 42 42 47 47 46 46 52 52
RH 52 61 32 40 73 76 43 51 83 86 40 49 77 86 40 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC SC B1 SC FW SC SC FW FW FW FW SC
POP 12HR 0 0 5 5 10 5 5 5
$$
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