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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Apr 8 2026
NCZ005-090800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
231 PM EDT Wed Apr 8 2026
Date 04/08/26 Thu 04/09/26 Fri 04/10/26 Sat
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 35 65 40 76 50
TEMP 59 55 45 41 36 37 50 61 65 58 49 44 41 44 62 73 76 68 59 55 51 53
DEWPT 19 21 23 26 29 31 31 29 28 32 33 34 35 36 37 37 36 40 39 40 40 41
MIN/MAX RH 84 24 81 23 67
RH 21 26 41 55 75 79 48 29 25 37 54 68 79 73 39 27 23 36 47 57 66 64
WIND DIR E E E E NE NE NE E E E SE S SW SW SW SW SW S SW SW W W
WIND SPD 6 3 4 4 3 4 3 3 2 2 1 1 1 2 2 4 5 4 4 4 4 3
CLOUDS SC B1 SC SC SC SC SC SC SC FW CL CL CL FW CL CL CL CL FW FW FW SC
CLOUDS(%) 50 51 48 37 41 39 40 29 36 14 4 5 5 6 5 4 3 4 6 9 13 32
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 5 <1 <1 <1 <1 <1 2 3 4 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR E E E E E E E E E SE SE S W SW SW SW SW S
T WIND SPD 8 9 8 8 6 5 4 1 1 4 4 2 1 1 5 4 8 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 43 4 5 4 3 6 12 5 6 2 2 1 1 1 18 27 52 2
MAX LVORI 1 2 2 2 3 4 2 2 2 2 2 3 4 3 2 2 1 2
STABILITY B F E F F A A A A G G G G A A A A F
CEILING None None None None None None None None None None
STA PRES 29.70 29.73 29.74 29.76 29.66 29.66 29.62 29.61 29.52
Date 04/11Sun 04/12/26Mon 04/13/26Tue 04/14/26Wed 04/15/26
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 53 81 59 83 62 88 65 90
TEMP 81 72 61 55 78 75 64 61 80 77 67 63 86 82 71 67 88 83
DEWPT 46 50 50 48 50 48 52 53 49 48 52 54 53 52 53 55 55 52
RH 29 46 67 77 37 38 65 75 34 36 59 72 32 35 53 65 33 34
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW FW SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 5 5 0 0 0 0 0 0 10
$$
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