Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Mon Apr 13 2026
NCZ003-140800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 AM EDT Mon Apr 13 2026
Date 04/12/26 Mon 04/13/26 Tue 04/14/26 Wed
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 54 83 55 87 58
TEMP 57 57 72 81 80 73 65 60 57 59 77 85 84 77 68 62 59 61
DEWPT 48 50 51 50 51 52 51 49 48 48 53 54 55 56 55 53 49 49
MIN/MAX RH 78 33 73 34 73
RH 72 77 48 34 36 48 60 67 72 67 43 35 37 48 63 72 69 65
WIND DIR S S SW SW W SW SW W W W SW SW SW SW W W NW NW
WIND SPD 2 2 5 5 5 2 1 1 1 1 2 4 4 2 1 1 1 1
CLOUDS B1 SC SC SC B2 SC FW FW SC SC SC SC SC FW FW FW SC SC
CLOUDS(%) 54 50 50 50 82 45 21 19 32 33 35 30 48 25 16 23 29 32
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 20 10 10 0
MIX HGT <1 <1 3 8 5 <1 <1 <1 <1 <1 4 7 5 <1 <1 <1 <1 <1
T WIND DIR SW SW SW W W W W W NW NW W SW SW S SW W NW NW
T WIND SPD 9 6 12 13 14 5 2 2 3 3 9 9 11 8 4 2 3 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 7 54123 64 3 1 1 2 3 46 73 67 4 2 1 2 4
MAX LVORI 3 4 1 1 1 2 3 3 3 3 1 1 1 2 3 3 3 3
STABILITY F A A A C F G G G A A A A G G G G A
CEILING None None 5000 None None None None None None
STA PRES 28.35 28.35 28.32 28.29 28.26 28.26 28.20 28.20 28.17
Date 04/15Thu 04/16/26Fri 04/17/26Sat 04/18/26Sun 04/19/26
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 90 58 88 58 89 57 91 57 78
TEMP 87 81 63 61 86 81 66 62 86 79 63 61 89 83 67 62 75 67
DEWPT 52 52 51 51 51 50 50 54 51 51 50 50 52 52 51 51 46 42
RH 30 37 65 70 30 34 56 75 30 38 62 67 28 34 56 67 36 40
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 SC SC SC SC FW SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 0 0 10 5 0 10 20 40
RAIN SHWRS IS SC SC
$$
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