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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Thu Mar 5 2026
VAZ024-052100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
702 AM EST Thu Mar 5 2026
Date Thu 03/05/26 Fri 03/06/26 Sat 03/07/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 78 57 82 58 80
TEMP 63 76 78 72 66 63 60 57 70 79 81 74 66 62 60 59 67 77 79 74
DEWPT 56 57 55 55 55 55 55 54 58 58 57 58 58 57 57 57 60 62 60 59
MAX/MIN RH 46 89 44 94 51
RH 78 52 45 55 68 75 84 90 66 49 44 57 75 84 90 93 78 60 52 59
WIND DIR SW SW SW SW SW SW SW W SW SW S SE S S S S S S SW SW
WIND SPD 2 4 5 3 2 2 1 1 2 4 3 2 2 2 2 2 3 6 6 4
WIND GUST 19 19 16
CLOUDS B1 SC SC SC SC SC SC B1 SC SC SC SC FW SC SC B2 B1 B1 B1 B1
CLOUDS(%) 60 43 47 39 33 35 38 55 36 43 43 31 21 30 40 71 60 64 64 63
VSBY 8 8 9 9 9 6 9 5 6 10 6 8 8 8 8 8 8 8 8 8
POP 12HR 10 10 20 5 50
RAIN SHWRS IS IS SC SC SC
TSTMS IS IS
MIX HGT 1 4 5 1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 1 4 3 2
T WIND DIR W SW SW S SW SW SW SW W SW S S SE SE SE SE S SW S S
T WIND SPD 2 9 14 6 5 4 3 2 10 12 11 9 6 4 3 3 5 13 18 10
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 41 92 3 3 2 2 2 27 83 70 4 3 2 2 3 10 38 46 7
MAX LVORI 4 1 1 3 3 3 5 6 3 1 1 3 4 5 7 6 4 1 1 3
STABILITY C B B G G G G C B B B G G G G C C D D E
CEILING None None None None None None None None 400 1200
STA PRES 28.66 28.59 28.62 28.64 28.71 28.70 28.70 28.67 28.64 28.53
Date Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 59 73 51 74 52 81 60 81
TEMP 65 60 72 64 56 52 71 67 57 53 78 73 65 61 78 75
DEWPT 59 56 53 48 47 47 50 50 49 48 57 57 57 58 61 57
RH 81 87 51 56 72 83 47 54 75 83 48 57 75 90 56 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 SC SC SC SC B1 SC SC B1 SC B1 B2 B2
POP 12HR 50 40 20 20 10 30 10 50
RAIN SHWRS SC IS SC SC IS IS IS SC 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