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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
502 PM EST Wed Mar 4 2026
NCZ006-050900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
502 PM EST Wed Mar 4 2026
Date 03/04/26 Thu 03/05/26 Fri 03/06/26 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
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 53 78 58 81 61
TEMP 66 60 57 55 54 67 75 77 71 65 63 60 59 69 78 80 74 67 65 63 61
DEWPT 55 54 54 53 53 58 58 57 57 56 57 57 58 62 61 59 59 59 59 59 59
MIN/MAX RH 98 50 97 49 94
RH 68 81 90 93 96 73 55 50 61 73 81 90 96 78 56 49 59 75 81 87 93
WIND DIR S S S S S SW SW SW S SW SW SW SW SW SW SW S S S SW SW
WIND SPD 2 2 2 3 3 6 8 9 4 4 4 4 4 5 5 5 2 2 3 4 5
CLOUDS SC SC B1 SC SC SC SC FW SC SC B1 B1 B1 B1 SC SC SC SC FW SC SC
CLOUDS(%) 50 37 54 50 49 41 26 16 50 43 57 64 61 57 36 32 40 26 25 33 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 5 20 10
RAIN SHWRS IS IS
MIX HGT <1 <1 <1 <1 <1 2 4 5 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR S SW SW S SW SW SW SW S SW SW SW SW SW SW SW S
T WIND SPD 5 5 5 5 5 23 18 14 5 6 6 6 10 11 11 11 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 3 3 3 3 6 57 93 62 4 5 5 5 12 19 54 59 3
MAX LVORI 3 5 6 6 8 3 1 1 3 3 4 6 5 3 1 1 3
STABILITY F G F F B B B C E E E E D D B B G
CEILING None None None None None 11300 None None None
STA PRES 29.56 29.53 29.58 29.53 29.56 29.57 29.62 29.58
Date 03/07Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
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 80 62 77 56 76 57 80 61 78
TEMP 77 74 67 62 74 68 61 58 72 67 61 58 78 72 65 63 75 73
DEWPT 61 59 60 59 58 56 54 52 51 52 54 54 59 57 58 58 61 58
RH 58 59 78 90 57 65 78 80 48 59 78 86 52 59 78 84 62 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 SC SC B1 B2 B2
POP 12HR 30 30 50 30 30 20 20 10 40
RAIN SHWRS SC SC IS IS SC SC IS IS SC IS IS IS SC
TSTMS SC 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