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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 PM EST Sat Mar 7 2026
VAZ046-080900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
432 PM EST Sat Mar 7 2026
Date 03/07/26 Sun 03/08/26 Mon 03/09/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 64 74 49 75 49
TEMP 74 70 67 66 64 69 72 72 65 59 55 51 49 62 71 74 67 59 56 52 50
DEWPT 59 59 59 60 60 60 58 54 50 47 44 43 43 47 48 47 47 47 46 46 45
MIN/MAX RH 87 52 79 38 85
RH 59 68 75 81 87 73 61 53 58 64 66 74 80 58 44 38 49 64 69 80 83
WIND DIR SW SW SW SW SW W W W NW W NW NW NW SW SW SW S SW SW W SW
WIND SPD 11 12 11 10 10 10 10 9 4 3 2 2 2 4 6 5 3 3 3 3 3
WIND GUST 24 26 25 23 21 21 20
CLOUDS SC B1 B1 B2 B2 B1 B2 OV SC SC FW FW SC FW FW FW CL FW FW FW FW
CLOUDS(%) 27 53 63 75 77 69 79 89 47 37 20 16 28 18 10 10 4 6 8 13 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 60 5 10 5
RAIN SHWRS IS SC SC SC SC IS
TSTMS IS IS IS
MIX HGT 2 2 2 2 1 2 4 5 <1 <1 <1 <1 <1 1 5 7 <1
T WIND DIR SW SW SW SW SW SW W W W NW W W W S SW SW SW
T WIND SPD 10 11 11 20 17 17 26 23 17 4 3 2 2 6 10 9 3
DISPERSION FR FR FR FR VP VP VP VP VP VP VP VP
ADI 7 15 15 28 28 33 74 73 12 2 2 1 2 12 61 71 2
MAX LVORI 3 3 3 3 4 3 1 1 2 3 3 3 4 2 1 1 2
STABILITY E D D D D D D D E G G G B B B B G
CEILING None 1300 300 3800 None None None None None
STA PRES 29.29 29.22 29.20 29.23 29.35 29.39 29.42 29.35
Date 03/10Wed 03/11/26Thu 03/12/26Fri 03/13/26Sat 03/14/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 81 60 83 54 67 34 56 43 65
TEMP 78 72 62 61 80 78 71 58 54 46 39 35 53 52 48 44 62 58
DEWPT 51 53 56 57 61 58 57 53 36 22 21 20 23 28 32 34 34 34
RH 39 51 81 87 52 50 61 83 50 38 48 54 31 39 54 68 35 40
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC B2 B2 B2 B2 B2 B1 FW SC B1 B1 SC SC B1 B1
POP 12HR 10 5 10 50 60 10 10 20 10
RAIN L C S
RAIN SHWRS IS 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