Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
102 PM EDT Thu Apr 2 2026
VAZ018-022000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
102 PM EDT Thu Apr 2 2026
Date Thu 04/02/26 Fri 04/03/26 Sat 04/04/26
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 77 58 81 59 82
TEMP 76 76 71 67 63 60 60 73 80 79 71 67 64 61 61 76 81 79 71
DEWPT 57 55 54 54 53 52 54 55 53 54 54 54 54 54 55 58 56 55 54
MAX/MIN RH 48 80 39 83 41
RH 52 48 55 63 70 75 81 53 39 42 55 63 70 78 81 54 42 44 55
WIND DIR S S S S SW SW SW S SW S SW SW SW SW SW SW S S S
WIND SPD 6 8 6 5 4 4 3 5 5 5 3 3 3 2 2 4 6 8 6
WIND GUST 20 23 23 19 18 18 18 19 18 16 13 16 16 12 17 21 24 25
CLOUDS B1 SC FW SC SC SC SC SC B1 B2 B2 B1 SC SC FW FW B1 B1 B1
CLOUDS(%) 55 37 16 36 28 42 34 37 58 73 75 54 41 26 23 19 63 63 53
VSBY 10 10 10 10 10 9 10 9 9 9 9 9 10 10 8 9 9 10
POP 12HR 30 5 20 5 40
RAIN SHWRS SC IS IS IS SC SC SC
TSTMS IS IS IS
MIX HGT 5 4 1 <1 <1 <1 <1 2 5 4 <1 <1 <1 <1 <1 4 7 5 2
T WIND DIR S S S S S S S SW SW SW S SW SW SW W W S S S
T WIND SPD 12 19 13 11 17 14 8 9 10 10 11 11 6 4 3 8 10 16 18
DISPERSION PR PR VP VP VP VP VP VP PR
ADI 40101 6 5 8 10 8 29 33 29 5 5 3 2 4 35 36 50 12
MAX LVORI 1 1 3 3 3 4 4 2 1 2 2 3 3 4 5 1 1 1 2
STABILITY D B F F F E B B D D F F F G B B D D E
CEILING None None None None 3300 None None None 3200
STA PRES 27.97 28.01 28.02 28.04 27.99 28.01 27.99 27.98 27.89
Date Sun 04/05/26Mon 04/06/26Tue 04/07/26Wed 04/08/26
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 56 66 39 61 39 59 32 59
TEMP 66 58 64 57 45 40 59 53 43 41 57 50 38 34 56 51
DEWPT 55 55 47 35 31 27 27 27 29 30 28 25 23 23 25 24
RH 68 90 54 43 58 59 29 36 57 65 33 37 54 64 30 34
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B1 SC FW FW FW FW FW FW FW CL CL FW FW
POP 12HR 70 70 0 0 5 5 0 0
RAIN SHWRS SC NM NM IS
$$
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