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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon May 11 2026

VAZ012-120800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
231 PM EDT Mon May 11 2026

Date           05/11/26      Tue 05/12/26            Wed 05/13/26            Thu
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                 37          71          45          69          41
TEMP          61 56 46 40 38 45 61 67 70 63 52 48 46 50 62 65 68 62 54 48 43 42
DEWPT         41 37 36 34 32 36 38 39 38 42 40 39 38 42 47 49 50 50 47 44 39 37
MIN/MAX RH                   78          31          73          51          85
RH            48 49 68 79 79 70 42 36 31 46 63 71 73 74 58 56 52 65 77 86 86 82
WIND DIR       N  N  N  N  N SW SW SW SW SW  S SW SW SW SW SW  W  W  W NW NW NW
WIND SPD       2  1  0  0  0  1  2  2  2  1  2  2  2  3  5  6  6  3  3  2  3  6
WIND GUST                                               16 18 18               
CLOUDS        FW FW CL CL CL CL CL SC SC FW CL CL FW B1 B1 B2 B2 B1 SC SC SC SC
CLOUDS(%)     21  9  4  2  3  2  1 26 28 14  5  3 13 52 68 86 86 60 48 32 42 38
VSBY           7 10 10  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          10          60          40
RAIN SHWRS                                           IS SC SC NM SC IS         
TSTMS                                                      SC SC               
MIX HGT        4 <1 <1 <1 <1 <1  5  6  6 <1 <1 <1 <1 <1  4  2  4 <1            
T WIND DIR     N  N  W  W  W  W NW  W  W SW  S  S SW SW SW SW SW SW            
T WIND SPD    14  8  3  3  4  2  9  9  9  5  4  5  5  6 26 16 17  6            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           84  4  2  2  2  2 58 68 70  3  2  3  3  7103 45 60  5            
MAX LVORI      1  2  3  3  5  3  1  1  1  2  3  3  4  3  1  1  1  3            
STABILITY      A  F  F  F  G  A  A  A  A  G  G  G  G  B  C  C  C  E            
CEILING        None  None  None  None  None  None  None  2700  1300  None      
STA PRES      27.31 27.37 27.38 27.41 27.35 27.34 27.27 27.23 27.12            


Date           05/14Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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       60      35      68      48      78      55      82      57      84
TEMP          56 50 39 39 64 62 50 52 75 71 58 58 80 75 61 61 82 78
DEWPT         36 36 36 37 38 42 41 44 53 55 53 53 53 55 52 53 54 56
RH            47 58 89 92 38 48 71 74 46 57 83 83 39 50 72 75 38 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW SC SC SC SC SC SC FW SC FW FW FW FW SC
POP 12HR            0       0       0      10      20      20      20       5      20
RAIN SHWRS                            IS IS IS    IS IS          IS
TSTMS                                    IS IS       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