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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Mar 25 2026
VAZ018-260800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Wed Mar 25 2026
Date 03/25/26 Thu 03/26/26 Fri 03/27/26 Sat
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 46 72 60 68 33
TEMP 51 48 48 49 60 69 71 66 64 63 61 61 66 66 61 52 47 40 36 33
DEWPT 32 33 35 39 46 51 52 52 52 52 53 54 54 53 49 42 36 30 24 18
MIN/MAX RH 70 52 77 62 68
RH 48 56 60 68 60 53 51 61 65 67 75 78 65 63 65 69 65 67 61 53
WIND DIR S SW SW W W SW SW SW SW W W W W NW NW NW NW NW NW NW
WIND SPD 5 6 6 6 6 9 10 9 9 11 13 13 9 8 9 9 9 9 9 10
WIND GUST 17 18 17 18 21 23 24 23 27 29 35 36 32 26 26 27 27 28 28 31
CLOUDS B1 SC SC SC B1 B1 SC FW FW B1 B1 B2 B2 OV OV B2 B1 SC FW FW
CLOUDS(%) 51 29 35 41 55 60 36 15 12 53 67 70 76 96100 87 61 35 8 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 9 6 9 9 9 9 9
POP 12HR 0 20 5 70 30
RAIN SHWRS IS SC SC NM NM SC SC
MIX HGT <1 <1 <1 <1 2 4 4 <1 <1 <1 1 2 3 4 3 2
T WIND DIR S SW SW SW W SW SW SW SW W W W W W NW W
T WIND SPD 10 5 4 4 13 16 21 10 11 10 13 23 32 20 14 9
DISPERSION PR PR PR PR PR FR FR PR PR PR PR
ADI 7 3 2 5 26 44 81 7 8 9 12 40 80 56 34 10
MAX LVORI 2 2 3 3 2 1 1 3 3 3 4 3 1 1 1 3
STABILITY E F F B D D C E E D D D D D D D
CEILING None None None None None 15800 1400 1400 0
STA PRES 27.88 27.83 27.83 27.75 27.69 27.66 27.70 27.75
Date 03/28Sun 03/29/26Mon 03/30/26Tue 03/31/26Wed 04/01/26
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 52 31 59 39 66 50 74 55 79
TEMP 49 45 34 33 57 51 42 42 64 60 53 52 73 67 59 56 76 71
DEWPT 16 15 17 19 21 22 23 30 43 44 44 45 51 48 48 48 53 51
RH 26 29 49 56 24 32 46 62 46 55 71 77 46 50 67 74 45 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 5 0 0 5 20 20 30 30 30
RAIN SHWRS IS IS IS IS IS SC SC SC SC 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