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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Mar 29 2026
VAZ024-300800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 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 71 54 82 60
TEMP 50 47 46 48 60 68 71 67 62 59 56 55 70 80 81 75 68 66 63 61
DEWPT 26 28 34 39 44 49 50 50 49 50 50 51 55 56 56 55 55 55 55 56
MIN/MAX RH 71 47 86 41 84
RH 39 47 63 71 55 51 47 54 62 72 80 86 59 44 42 50 63 68 75 84
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW S S SW SW SW SW
WIND SPD 3 3 3 2 5 6 5 3 3 2 2 2 5 8 8 4 4 4 3 3
WIND GUST 17 16 13 18 20 17 17 14
CLOUDS SC B1 B1 B1 B1 B1 SC SC SC FW FW FW FW SC SC SC FW SC SC SC
CLOUDS(%) 50 56 51 69 55 63 50 39 30 20 17 18 16 43 40 40 25 27 35 50
VSBY 10 10 10 7 7 7 7 10 10 10 10 10 10 7 7 10 10 10 10
POP 12HR 10 40 5 20 5
RAIN SHWRS IS SC IS SC IS IS SC
MIX HGT <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 3 6 5 1
T WIND DIR S S SW S SW SW SW SW SW SW SW SW W SW SW S
T WIND SPD 6 6 6 5 13 16 17 14 12 11 9 9 18 16 17 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 3 3 5 30 44 57 7 6 5 4 10 70111100 4
MAX LVORI 2 2 3 3 1 1 1 2 3 3 4 5 1 1 1 2
STABILITY F F F C D D B G G G G B B B B F
CEILING None None 3200 None None None None None None
STA PRES 28.83 28.78 28.78 28.72 28.73 28.72 28.72 28.63
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 84 57 76 55 76 58 82 60 79
TEMP 84 74 63 58 75 69 58 56 73 69 60 59 80 74 63 61 76 73
DEWPT 58 58 57 57 58 56 55 55 59 57 56 56 60 58 57 57 58 54
RH 41 57 81 96 55 63 90 96 62 66 87 90 51 57 81 87 54 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 70 50 40 30 50 20 50 30 50
RAIN SHWRS SC NM SC IS SC SC SC IS SC SC IS SC SC SC SC SC SC
TSTMS IS SC 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