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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Mon Mar 30 2026
VAZ012-310800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
131 AM EDT Mon Mar 30 2026
Date 03/29/26 Mon 03/30/26 Tue 03/31/26 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 41 69 49 76 56
TEMP 43 42 45 60 65 68 63 55 52 50 51 68 72 75 68 61 58 56 58
DEWPT 27 31 35 42 46 46 47 47 46 47 47 52 52 51 52 52 51 51 52
MIN/MAX RH 69 45 91 43 84
RH 53 65 68 51 50 45 56 74 80 89 86 57 49 43 57 72 77 83 80
WIND DIR SW SW SW SW SW SW SW S SW W SW SW SW SW SW S SW SW SW
WIND SPD 2 2 2 3 4 4 2 2 2 2 2 4 5 4 3 2 2 3 3
CLOUDS B1 B2 B2 B1 B1 SC B1 FW FW FW SC SC B1 B1 SC SC SC SC B1
CLOUDS(%) 52 70 73 53 59 40 56 25 10 13 30 43 57 57 35 41 33 38 60
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 5 30 5 40 10
RAIN SHWRS IS IS IS IS SC SC SC
TSTMS IS
MIX HGT <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1
T WIND DIR S S SW W SW SW S S S SW SW W SW SW SW S SW SW W
T WIND SPD 8 6 5 18 18 16 8 8 6 5 6 21 19 20 8 6 6 9 14
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 4 3 4 49 48 82 4 4 3 3 7 72 55 59 4 3 3 4 14
MAX LVORI 2 3 3 1 1 1 3 3 5 6 5 1 1 1 3 3 4 5 4
STABILITY F F C C D B F G G G B B D D G F G G C
CEILING 5400 None None None None None None None None
STA PRES 27.48 27.50 27.44 27.44 27.43 27.45 27.39 27.37 27.38
Date 04/01Thu 04/02/26Fri 04/03/26Sat 04/04/26Sun 04/05/26
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 77 53 78 55 77 56 77 55 67
TEMP 75 68 56 55 76 69 58 56 74 68 58 58 73 69 59 55 65 57
DEWPT 55 55 53 52 52 51 50 52 53 53 53 54 56 54 53 52 51 44
RH 50 63 90 90 43 53 75 86 48 59 83 86 55 59 80 90 60 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 FW SC B1 SC B1 B1 B2 B1 B1 B2 B2 B1 B1 B2 B2
POP 12HR 80 30 40 20 60 30 60 50 60
RAIN SHWRS SC O SC SC IS IS SC NM SC IS SC NM SC SC SC NM
TSTMS SC SC IS SC 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