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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Sep 10 2026

VAZ046-102000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Thu Sep 10 2026

Date             Thu 09/10/26            Fri 09/11/26            Sat 09/12/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 94          69          86          67          84
TEMP                85 92 91 81 75 72 70 70 80 83 83 76 71 69 68 68 76 81 83 77
DEWPT               68 69 69 69 69 68 67 68 70 70 70 69 68 68 68 68 72 73 73 72
MAX/MIN RH                   45          95          61         100          71
RH                  57 47 49 67 82 87 90 93 72 65 65 79 90 97100100 87 77 72 85
WIND DIR             W  W  W  W  W SW  W NE NE NE NE NE NE NE NE NE  E  S SE  S
WIND SPD             9  9 10  4  3  2  2  4  6  6  6  5  3  3  3  3  3  3  4  2
CLOUDS              FW FW B1 B1 SC SC B1 B1 SC B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2
CLOUDS(%)           12 18 57 53 32 44 55 66 50 76 61 61 64 68 79 78 81 79 79 75
VSBY                10 10 10 10 10  9  7  8 10  6  6  6  6  6  6 10 10 10 10 10
POP 12HR                     40          20          50          50          70
RAIN SHWRS                SC             IS SC SC SC SC SC SC SC IS IS NM NM NM
TSTMS                     IS                   IS IS IS                IS SC SC
MIX HGT              3  6  4 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1  1  2  3  2 <1
T WIND DIR           W  W NW NW NW  W NE NE  E  E  E NE SE  E  E  E  E  S  S  S
T WIND SPD          14 16 13  8  2  1  4 10  9  9  6  6 12  2  6  6  4  9  9  9
DISPERSION                   VP VP VP VP             PR VP VP VP             VP
ADI                 51 73 40  5  1  1  2 12 27 24 15  5  6  1  3  8  9 30 20  4
MAX LVORI            1  1  1  3  5  6  6  5  3  2  2  4  6  8  9  8  5  3  3  5
STABILITY            C  C  D  E  G  F  F  D  B  D  D  E  F  F  F  C  C  C  D  F
CEILING              None  None  None  3800  1800  None  6200  1000   400  2100
STA PRES            29.29 29.23 29.25 29.29 29.35 29.32 29.36 29.36 29.38 29.34


Date          Sun 09/13/26Mon 09/14/26Tue 09/15/26Wed 09/16/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       68      88      66      88      64      90      66      93
TEMP          70 70 86 79 70 68 85 78 67 66 86 80 70 69 89 81
DEWPT         70 70 72 71 69 68 68 67 64 64 67 67 66 66 69 69
RH           100100 63 77 97100 57 69 90 93 53 65 87 90 52 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 SC SC SC SC SC SC FW FW FW SC FW FW FW B1
POP 12HR           60      20       5       5       5       5       5      30
RAIN SHWRS    NM       IS                                  SC
TSTMS         SC       IS                                  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