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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Mar 29 2026
VAZ018-300800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 PM EDT Sun Mar 29 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 45 69 55 79 60
TEMP 62 53 48 47 47 48 60 65 69 63 59 57 55 56 70 77 78 71 66 63 61 61
DEWPT 24 22 22 25 32 37 43 47 49 48 48 48 48 50 54 54 53 53 53 53 53 54
MIN/MAX RH 65 50 80 42 78
RH 23 29 35 42 56 65 53 52 49 58 67 72 77 80 57 45 42 53 63 70 75 78
WIND DIR SW SW SW SW W W SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW
WIND SPD 8 6 5 5 5 4 5 6 5 4 4 5 4 4 6 6 6 5 6 6 6 5
WIND GUST 24 20 20 23 20 18 19 19 18 17 19 20 19 18 23 23 23 20 23 24 21 23
CLOUDS FW SC B1 B1 B1 B2 B1 B2 B2 SC SC FW FW FW SC B1 B1 SC FW SC SC B1
CLOUDS(%) 21 43 54 56 64 73 64 73 70 43 29 15 15 18 27 53 53 38 25 32 36 56
VSBY 10 10 10 10 10 7 7 7 7 10 10 10 10 10 10 7 7 10 10 10 10
POP 12HR 10 50 10 30 5
RAIN SHWRS IS SC SC SC SC SC SC
MIX HGT 5 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR S S S SW SW SW SW SW SW S SW SW SW SW W W SW S
T WIND SPD 17 13 9 9 11 6 10 13 17 13 12 11 8 8 21 21 17 14
DISPERSION PR PR PR PR VP VP PR VP PR PR PR PR
ADI 92 6 6 6 8 8 20 31 41 9 6 5 4 8 89 72 56 7
MAX LVORI 1 2 2 2 3 3 2 1 1 2 3 3 4 4 1 1 1 2
STABILITY B F E E E D D D D E F F F B B D D F
CEILING None None 9200 2000 1700 None None None None None
STA PRES 28.11 28.08 28.03 28.03 27.99 27.99 27.98 27.99 27.91
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 80 57 74 56 73 58 79 60 77
TEMP 79 70 60 58 73 65 58 57 71 65 59 59 77 71 63 61 73 69
DEWPT 58 55 54 55 57 53 53 54 57 55 54 55 58 56 55 56 56 52
RH 49 59 81 90 57 65 83 90 61 70 83 87 52 59 75 84 55 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 OV B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2
POP 12HR 80 50 60 40 50 30 60 40 60
RAIN SHWRS SC O SC IS SC NM SC SC SC SC SC IS SC NM SC SC SC NM
TSTMS SC SC IS IS 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