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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 PM EDT Mon Apr 6 2026
NCZ003-070800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
402 PM EDT Mon Apr 6 2026
Date 04/06/26 Tue 04/07/26 Wed 04/08/26 Thu
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 42 63 35 58 35
TEMP 66 61 54 49 45 45 54 61 62 55 48 44 38 36 46 55 58 53 46 42 37 36
DEWPT 26 29 34 34 33 32 30 29 25 23 21 19 18 18 20 21 21 23 27 28 28 30
MIN/MAX RH 64 24 50 23 77
RH 22 29 46 56 62 60 40 29 24 29 34 36 44 47 35 26 23 31 47 57 70 79
WIND DIR NW NW W NW N N N N N N NE NE NE NE NE E E E E E NE NE
WIND SPD 5 5 5 5 5 5 6 6 6 8 9 10 10 10 8 6 6 5 6 5 5 5
CLOUDS SC B1 B1 B1 SC SC SC FW FW CL CL FW FW FW FW FW SC SC SC B1 SC B1
CLOUDS(%) 44 53 60 65 47 46 30 25 24 5 5 7 6 6 8 20 26 37 38 54 49 52
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
MIX HGT 7 <1 <1 <1 <1 <1 4 5 6 <1 <1 <1 <1 2 3 4 4 <1
T WIND DIR W W SW W W N N N N NE NE NE NE NE NE E E E
T WIND SPD 12 5 2 3 2 3 13 11 9 9 5 14 9 18 12 11 10 12
DISPERSION PR PR PR PR PR PR FR FR PR PR PR PR
ADI 110 4 2 2 2 4 61 70 60 6 4 10 6 38 44 51 51 6
MAX LVORI 1 2 2 3 3 3 1 1 1 2 2 2 2 1 1 1 1 2
STABILITY A E E E E A B B B E E E E B B B B F
CEILING 29100 None None None None None None None None
STA PRES 29.09 29.11 29.21 29.20 29.30 29.38 29.45 29.39
Date 04/09Fri 04/10/26Sat 04/11/26Sun 04/12/26Mon 04/13/26
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 65 42 73 47 80 55 80 56 81
TEMP 60 56 45 45 68 63 51 51 78 71 58 57 77 72 61 58 79 74
DEWPT 32 37 38 38 42 41 41 41 45 48 49 48 50 50 51 53 53 50
RH 35 49 76 76 39 44 68 68 31 44 72 72 39 46 70 83 41 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 10 10 5 5 0 0 0 0
$$
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