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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1032 AM EDT Thu Apr 2 2026
VAZ024-022000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1032 AM 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 80 60 84 59 85
TEMP 70 78 79 77 70 66 62 62 73 81 83 77 70 66 62 61 76 83 84 78
DEWPT 60 60 58 57 56 55 55 56 57 56 55 54 56 56 56 56 59 59 57 57
MAX/MIN RH 49 82 38 87 40
RH 71 54 49 50 61 68 78 81 57 42 38 45 61 70 81 84 56 44 40 48
WIND DIR S S S S S S S S S S S S SW SW SW SW SW S S S
WIND SPD 2 6 8 4 3 3 3 2 5 6 6 3 2 2 2 2 4 8 9 5
WIND GUST 17 18 16 13 17 18 21 20
CLOUDS SC SC SC SC FW FW FW FW SC SC SC B1 SC SC FW SC FW B1 B1 SC
CLOUDS(%) 28 49 33 32 24 20 19 21 35 46 50 64 43 43 22 27 18 54 54 48
VSBY 10 10 10 10 10 10 10 10 10 7 8 8 8 10 10 7 8 8 10
POP 12HR 20 5 10 5 30
RAIN SHWRS IS SC SC IS
TSTMS IS
MIX HGT 2 6 6 1 1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 3 7 6 3
T WIND DIR SW S S S S S S S SW SW SW S S SW SW SW W S S S
T WIND SPD 2 10 18 10 6 6 6 8 13 12 13 9 6 5 3 2 6 10 16 12
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 6 69119 5 3 3 3 9 52 77 86 4 3 3 2 2 28 36 53 8
MAX LVORI 3 1 1 2 3 3 4 4 1 1 1 2 3 3 5 5 2 1 1 2
STABILITY B B B F G G G B B B B F F F G B B D D E
CEILING None None None None None None None None None
STA PRES 28.69 28.74 28.76 28.77 28.71 28.73 28.71 28.70 28.61
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 59 72 40 67 39 64 33 62
TEMP 68 61 69 62 49 43 64 58 45 42 62 55 40 35 60 55
DEWPT 57 57 51 38 33 30 28 29 31 32 29 26 25 24 25 26
RH 68 87 53 41 54 60 25 33 58 67 28 32 55 64 26 32
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 60 80 5 0 0 0 0 0
RAIN SHWRS IS NM O 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