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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Sat Apr 11 2026
NCZ006-112000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
802 AM EDT Sat Apr 11 2026
Date Sat 04/11/26 Sun 04/12/26 Mon 04/13/26
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 82 51 81 59 84
TEMP 74 81 81 72 63 59 55 54 67 77 80 75 68 65 61 61 74 82 83 78
DEWPT 52 52 49 52 52 53 50 49 50 50 50 52 53 55 55 56 55 51 49 49
MAX/MIN RH 32 88 35 85 31
RH 46 37 33 49 67 80 83 83 54 39 35 45 59 70 81 84 51 34 31 36
WIND DIR N N N NE E E E E SE S S S S S S SW SW SW SW SW
WIND SPD 3 4 2 1 2 2 2 2 3 5 6 3 5 6 6 6 9 11 10 5
WIND GUST 17 17 19 20
CLOUDS SC SC SC SC SC FW SC SC SC FW SC SC SC SC SC SC SC B1 B1 B1
CLOUDS(%) 26 27 30 28 26 22 28 43 27 19 31 26 26 45 39 42 44 53 55 62
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 0 0
MIX HGT 3 7 6 <1 <1 <1 <1 1 3 4 6 <1 <1 <1 <1 2 3 6 7 <1
T WIND DIR N NW NW N N E E E SE S S S S S S SW SW SW SW SW
T WIND SPD 11 10 9 3 5 10 10 9 12 11 9 8 8 11 13 19 24 25 20 8
DISPERSION VP VP VP VP VP PR PR PR PR
ADI 47 90 69 2 3 5 5 14 46 62 60 4 4 8 6 38 94115 97 5
MAX LVORI 1 1 1 2 3 4 5 4 1 1 1 2 3 3 4 3 1 1 1 2
STABILITY A A A G G G G A A A B G F E F B B C C E
CEILING None None None None None None None None None 10900
STA PRES 29.62 29.59 29.65 29.73 29.78 29.70 29.67 29.65 29.65 29.55
Date Tue 04/14/26Wed 04/15/26Thu 04/16/26Fri 04/17/26
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 61 90 63 92 66 94 67 93
TEMP 66 63 88 83 70 65 90 85 73 68 91 87 73 69 91 87
DEWPT 50 51 50 50 50 51 51 50 51 53 53 53 54 56 55 55
RH 56 65 27 32 49 60 26 30 46 59 28 31 51 63 30 34
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC SC FW SC SC SC SC B1 B1 SC SC SC
POP 12HR 0 0 0 0 0 0 5 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