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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Mar 28 2026
VAZ018-290800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Sat Mar 28 2026
Date 03/28/26 Sun 03/29/26 Mon 03/30/26 Tue
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 29 63 44 72 54
TEMP 35 32 29 31 48 60 62 52 48 46 45 47 61 69 70 64 60 57 55 55
DEWPT 16 16 17 19 23 25 24 23 24 28 32 35 42 44 47 46 49 48 48 47
MIN/MAX RH 60 23 65 41 79
RH 45 51 60 61 37 26 23 32 39 49 60 63 49 40 44 52 67 72 77 74
WIND DIR N SE SW SW S S S SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 1 1 1 3 5 6 8 6 5 5 4 4 6 6 6 5 5 5 4 4
WIND GUST 19 20 21 20 19 20 18 16 20 19 19 17 18 18 18 17
CLOUDS CL FW SC SC FW FW SC SC SC SC SC B1 SC B1 B1 SC SC FW FW FW
CLOUDS(%) 4 10 28 31 17 22 35 30 40 42 36 52 47 61 64 42 26 19 16 14
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 9 9 9 9 10 10 10 10
POP 12HR 0 0 0 10 5
MIX HGT <1 <1 <1 <1 2 4 5 <1 <1 <1 <1 <1 3 5 3 1
T WIND DIR NW NW S S S SW S S S SW SW SW SW SW SW SW
T WIND SPD 2 1 2 4 13 13 16 17 13 11 10 4 9 13 12 8
DISPERSION VP VP VP PR PR PR VP PR PR PR VP
ADI 1 1 1 5 38 72 86 8 6 8 5 5 32 41 32 5
MAX LVORI 2 2 3 3 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY G G G B B B B F F E F D B D D E
CEILING None None None None None None None 1700 None
STA PRES 28.18 28.18 28.18 28.09 28.07 28.02 28.02 27.97
Date 03/31Wed 04/01/26Thu 04/02/26Fri 04/03/26Sat 04/04/26
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 81 59 79 54 62 50 60 53 68
TEMP 78 72 62 61 76 68 59 55 61 56 51 50 60 54 53 53 65 61
DEWPT 51 50 51 52 56 53 53 51 50 47 45 46 50 48 48 49 53 50
RH 39 46 67 72 50 59 80 86 67 72 80 86 69 80 83 86 65 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 5 5 80 70 70 70 70 50 60
RAIN SHWRS SC O NM NM NM NM NM NM NM NM SC SC SC NM
TSTMS 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