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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Apr 10 2026
NCZ003-102000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
301 AM EDT Fri Apr 10 2026
Date Fri 04/10/26 Sat 04/11/26 Sun 04/12/26
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 75 50 80 53 80
TEMP 41 43 61 72 75 69 59 54 51 53 70 77 79 71 63 58 54 55 64 76 79 74
DEWPT 31 31 33 34 36 38 41 40 39 41 50 51 50 52 51 50 48 49 51 51 49 48
MAX/MIN RH 24 67 36 82 34
RH 67 62 35 25 24 32 51 59 63 64 49 40 36 51 65 75 80 80 63 42 35 40
WIND DIR NW W SW S S S SW W NW NW NW NW N N NE NE NE E E S S S
WIND SPD 2 2 3 4 5 5 4 4 4 4 4 4 3 3 4 5 5 5 5 5 8 8
CLOUDS CL CL CL CL FW FW FW FW FW SC SC SC SC FW FW SC FW SC FW FW SC FW
CLOUDS(%) 0 0 0 0 7 6 10 12 9 34 26 29 32 25 20 33 25 34 19 25 28 24
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 5 5 0
MIX HGT <1 <1 2 4 5 <1 <1 <1 <1 <1 3 7 7 <1 <1 <1 <1 1 2 5 8 <1
T WIND DIR N NW SW SW SW SW SW W NW W NW NW W N E E E E E SW SW SW
T WIND SPD 2 2 8 3 6 4 3 3 3 2 11 6 4 0 1 2 3 9 3 14 18 10
DISPERSION VP PR VP VP VP VP VP PR PR PR
ADI 1 2 20 17 46 2 2 2 2 2 49 58 36 0 1 1 2 15 10 89154 7
MAX LVORI 3 3 2 2 1 2 2 3 3 3 1 1 1 2 3 4 5 4 2 1 1 2
STABILITY G A A A A F F F F A A A A G F F F A A A B E
CEILING None None None None None None None None None None
STA PRES 29.27 29.18 29.19 29.18 29.22 29.18 29.21 29.23 29.29 29.19
Date Mon 04/13/26Tue 04/14/26Wed 04/15/26Thu 04/16/26
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 57 80 57 86 60 89 62 89
TEMP 62 59 78 74 62 59 84 80 66 62 86 82 68 64 86 82
DEWPT 50 51 49 49 49 49 52 52 53 53 52 50 51 53 53 51
RH 65 75 36 41 62 69 33 38 63 72 31 33 54 67 32 34
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 0 0 0 5 0 5 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