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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed May 13 2026

VAZ024-140800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 AM EDT Wed May 13 2026

Date           05/12/26      Wed 05/13/26            Thu 05/14/26            Fri
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                 49          78          47          67          43
TEMP                      50 53 71 76 72 65 58 53 48 49 59 64 65 59 52 47 44 48
DEWPT                     40 42 49 52 55 55 53 49 45 44 41 41 40 39 40 40 39 40
MIN/MAX RH                   69          43          88          40          82
RH                        68 66 46 43 55 70 83 86 89 83 51 43 40 47 63 76 82 74
WIND DIR                  SW SW SW SW  W  W  W  W  W NW NW NW NW NW NW NW NW NW
WIND SPD                   3  3  6  6  3  2  2  2  3  5  9  9 10  6  2  2  2  2
WIND GUST                       17    13 12          18 19    21 23 13         
CLOUDS                    CL CL FW B1 B2 B1 SC FW FW FW SC B1 SC FW FW FW FW CL
CLOUDS(%)                  3  2 17 66 84 68 30 16  7  7 48 62 47 18 16 12 11  2
VSBY                      10 10 10 10  9 10  6  6 10 10  8  9  9  9            
POP 12HR                      0          80          50           0           5
RAIN SHWRS                         SC  O SC IS                                 
TSTMS                              IS SC IS                                    
MIX HGT                   <1  1  3  4  2 <1 <1 <1 <1  2  5  6  6  2            
T WIND DIR                 S SW SW SW  W  S  W NW NW NW NW NW NW NW            
T WIND SPD                 6 11 17 17  9  5  6 12  9 13 19 18 23 12            
DISPERSION                VP             VP VP VP VP             PR VP VP VP   
ADI                        3 16 76 67 24  3  3  6  4 40116 81100  6            
MAX LVORI                  3  3  1  1  2  3  5  5  5  4  1  1  1  2            
STABILITY                  F  A  A  C  C  F  F  G  G  B  B  C  C  F            
CEILING                    None  None  4300  None  None  None  None  None      
STA PRES                  28.54 28.49 28.37 28.32 28.32 28.36 28.38            


Date           05/15Sat 05/16/26Sun 05/17/26Mon 05/18/26Tue 05/19/26
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       78      52      88      59      92      63      93      64      93
TEMP          75 70 55 56 84 79 64 63 91 82 68 66 92 85 70 67 91 86
DEWPT         42 44 42 47 57 59 56 58 59 60 58 60 61 62 60 61 62 61
RH            31 39 61 72 40 50 75 84 34 47 70 81 36 46 71 81 38 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC SC SC SC SC SC FW SC FW FW SC FW SC SC
POP 12HR            0       0      10      10      20      10      10      20      10
RAIN SHWRS                               IS             IS         
TSTMS                                    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