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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Sep 24 2025

VAZ018-242000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 AM EDT Wed Sep 24 2025

Date             Wed 09/24/25            Thu 09/25/25            Fri 09/26/25
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                 79          66          79          62          79
TEMP                74 78 76 67 68 68 67 66 72 76 78 69 66 65 63 62 72 78 77 67
DEWPT               64 65 65 65 64 64 65 65 69 70 70 66 64 63 61 60 64 63 62 61
MAX/MIN RH                   65         100          77          95          59
RH                  71 64 69 93 87 87 93 97 90 82 76 90 93 93 93 93 76 60 60 81
WIND DIR            SW  W  S SW SW SW SW SW SW SW SW  W  W  W  W NW NW NW NW  N
WIND SPD             2  3  3  2  2  3  2  3  4  5  4  3  3  2  2  2  2  2  2  2
CLOUDS              B2 B2 B2 B2 B2 OV B2 OV OV OV OV B2 B2 B2 B2 B2 B1 B2 B1 B2
CLOUDS(%)           73 86 70 78 81 92 81 88 90 91 88 79 76 79 77 73 65 71 61 75
VSBY                 8  6  8  9  5  2  3  3  6  8  9  9  6  5  2  1  9  9  9  9
POP 12HR                     70          60          80          40          30
RAIN SHWRS          IS NM SC IS SC SC NM NM NM  O  O SC SC IS IS IS IS SC SC SC
TSTMS               IS SC SC IS SC IS    IS SC SC SC IS                        
Obvis                                                      PF PF               
MIX HGT              1  3  2 <1 <1 <1 <1 <1  1  3  2 <1 <1 <1 <1 <1  3  4  4 <1
T WIND DIR           S SW  S  S  S  S  S  S SW SW SW SW  W NW NW NW NE NE SE  E
T WIND SPD           6 14 13  4  6  8  5 11 12 12  9  6  6  6  6  6  3  1  3  4
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 13 44 33  2  3  4  3  9 18 28 20  3  3  3  3  5 11  4 12  2
MAX LVORI            3  1  3  6  6  6  6  6  4  4  3  6  6  6  6  6  4  3  2  5
STABILITY            C  C  C  F  F  F  F  C  D  D  D  F  F  F  F  C  C  C  C  F
CEILING              1600  2600  3300   600   600  2200  2000   600  1100  2200
STA PRES            27.81 27.76 27.74 27.67 27.67 27.63 27.66 27.67 27.71 27.70


Date          Sat 09/27/25Sun 09/28/25Mon 09/29/25Tue 09/30/25
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       62      72      61      76      61      76      61      77
TEMP          64 62 71 66 63 61 75 64 63 62 75 64 63 61 76 64
DEWPT         60 60 67 64 62 59 66 63 61 60 65 63 61 59 63 60
RH            87 93 87 93 97 93 74 97 93 93 71 97 93 93 64 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1
POP 12HR           50      60      40      40      40      30      30      30
RAIN SHWRS    SC SC NM NM SC SC SC SC SC SC SC SC SC SC IS SC
TSTMS                  IS       IS 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