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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EDT Mon Sep 22 2025

WVZ043-230800-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
201 AM EDT Mon Sep 22 2025

Date           09/21/25      Mon 09/22/25            Tue 09/23/25            Wed
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 59          78          60          75          61
TEMP                      60 59 71 77 75 68 64 63 61 61 69 73 74 68 64 62 61 62
DEWPT                     58 59 62 62 63 63 62 61 60 61 64 63 64 63 63 62 61 62
MIN/MAX RH                  100          59         100          68         100
RH                        93100 73 60 66 84 93 93 97100 84 71 71 84 97100100100
WIND DIR                  SE SE  S SW SW  S  S SW SW SW SW  W  W  W SW SW SW SW
WIND SPD                   3  2  3  4  4  2  2  2  2  2  4  6  5  3  2  2  2  2
CLOUDS                    SC SC SC B1 B1 SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B2
CLOUDS(%)                 49 45 41 61 51 43 41 53 72 65 67 72 70 52 53 63 83 86
VSBY                      10  7 10 10 10 10  9  7  6  6 10 10 10 10 10 10  5 10
POP 12HR                     10          30          40          60          30
RAIN SHWRS                         SC SC IS       IS SC SC NM NM SC SC SC SC SC
TSTMS                              IS IS IS             IS SC SC IS            
MIX HGT                   <1 <1  2  4  3 <1 <1 <1 <1 <1  2  4  2 <1            
T WIND DIR                 S SE SW  S  S  S  S  S  S  S SW SW  W  W            
T WIND SPD                 4  3  8  5  9 10  5  3  3  2 11 21 18  5            
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        2  3 18 20 32  5  3  2  2  2 21 62 36  3            
MAX LVORI                  6  6  3  3  3  5  6  8  8 10  3  1  1  6            
STABILITY                  F  C  B  C  C  G  G  G  G  C  D  D  D  F            
CEILING                    None  None  None  None  3500  4900  1700  None      
STA PRES                  27.76 27.76 27.68 27.68 27.67 27.69 27.66            


Date           09/24Thu 09/25/25Fri 09/26/25Sat 09/27/25Sun 09/28/25
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       77      63      71      61      71      58      72      55      73
TEMP          76 67 64 64 69 67 63 62 70 63 59 59 70 64 57 56 72 63
DEWPT         64 64 63 64 68 65 63 62 63 62 59 59 61 59 57 56 59 58
RH            66 90 97100 97 93100100 78 97100100 73 84100100 64 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 FW SC SC SC
POP 12HR           60      60      80      60      60      40      30      10      20
RAIN SHWRS    SC NM SC NM NM  O NM SC SC NM SC SC SC SC          IS
TSTMS            SC IS    IS 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