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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EST Sat Mar 7 2026
NCZ019-080900-
RAWS 312001
36.23N 81.32W Elev. 2380 ft
1232 AM EST Sat Mar 7 2026
Date 03/06/26 Sat 03/07/26 Sun 03/08/26 Mon
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 58 74 59 71 51
TEMP 61 59 59 66 72 73 68 65 62 61 59 65 69 68 63 59 57 54 52
DEWPT 57 57 57 60 60 58 57 57 58 56 56 57 56 54 53 53 51 50 50
MIN/MAX RH 94 59 89 60 93
RH 87 93 93 81 66 59 68 75 87 84 90 75 63 61 70 80 80 86 93
WIND DIR SW SW SW SW SW SW SW SW SW W W W SW W W NW W W W
WIND SPD 2 2 2 5 9 10 6 5 4 3 3 4 5 5 2 2 2 2 2
CLOUDS SC B1 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1
CLOUDS(%) 38 54 80 76 68 57 69 69 71 78 76 81 92 85 85 75 68 52 52
VSBY 10 10 7 10 10 10 10 10 7 4 4 10 10 10 10 10 8 5 4
POP 12HR 20 40 50 70 10
RAIN SHWRS IS SC SC SC SC SC NM NM NM NM
TSTMS SC IS IS IS SC IS
Obvis PF
MIX HGT <1 <1 <1 2 4 3 2 2 1 <1 <1 2 3 2 <1
T WIND DIR S S SW SW SW SW S SW SW W W W W SW SW
T WIND SPD 5 5 10 10 19 23 16 14 9 9 6 11 16 10 4
DISPERSION VP VP PR PR VP VP VP VP VP VP
ADI 3 3 8 21 53 58 11 10 6 4 5 27 41 22 2
MAX LVORI 6 6 6 3 1 1 3 4 4 5 5 3 1 2 3
STABILITY G F C D D D E E E F C C D D F
CEILING 200 200 None 0 700 7700 2700 28800
STA PRES 28.11 28.10 28.00 27.96 27.92 27.92 27.90
Date 03/09Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
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 75 54 77 58 78 53 62 38 53
TEMP 72 66 57 55 76 67 61 59 77 69 63 53 60 50 43 39 50 49
DEWPT 49 47 48 49 54 54 54 54 56 54 53 45 34 30 29 29 31 34
RH 44 50 72 80 46 63 78 83 48 59 70 74 37 46 57 67 48 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B2
POP 12HR 20 20 40 20 40 60 50 20 20
RAIN C C S S S S
RAIN SHWRS IS IS IS SC IS IS SC SC NM
$$
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