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

VAZ046-140800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Wed May 13 2026

Date           05/13/26      Thu 05/14/26            Fri 05/15/26            Sat
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          66          45          76          50
TEMP                59 56 51 52 61 64 65 60 52 48 46 50 65 73 76 70 59 54 51 56
DEWPT               55 54 50 48 43 42 40 40 39 41 40 41 40 41 41 44 43 44 44 46
MIN/MAX RH                   95          41          81          28          77
RH                  87 93 96 86 51 45 40 47 61 77 79 71 40 31 28 39 55 69 77 69
WIND DIR             W NW NW NW NW NW NW NW  W  W  W  W NW  W  W SW SW SW SW SW
WIND SPD             4  4  5  8 10 11 12  8  5  5  5  5  6  5  5  3  3  2  2  3
WIND GUST                                18                                    
CLOUDS              B2 B1 FW FW SC B2 B1 FW CL CL CL CL CL FW FW SC SC SC SC SC
CLOUDS(%)           84 58 25  7 38 79 52  7  3  4  3  2  5 11 18 37 40 35 38 33
VSBY                 8 10  9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     70           0           0           0           0
RAIN SHWRS          SC                                                         
TSTMS                                                                          
MIX HGT             <1 <1 <1  2  5  7  7 <1 <1 <1 <1  1  5  6  7 <1            
T WIND DIR           W NW NW NW NW NW NW NW  W  W  W  W NW NW  W  W            
T WIND SPD           9 13  5 12 12 12 16 13  5  5  5 14 16 10 10  2            
DISPERSION          VP VP PR             PR PR PR PR             VP VP VP VP   
ADI                  6  9  3 26 76 44 55  9  3  3  3 27 96 78 83  1            
MAX LVORI            5  6  6  4  1  1  1  2  3  3  5  3  1  1  1  2            
STABILITY            E  E  F  B  B  D  D  E  F  F  F  A  B  A  A  G            
CEILING              3800  None  None  None  None  None  None  None  None      
STA PRES            29.09 29.12 29.17 29.18 29.25 29.27 29.32 29.29            


Date           05/16Sun 05/17/26Mon 05/18/26Tue 05/19/26Wed 05/20/26
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       85      61      87      63      89      64      89      67      88
TEMP          82 79 66 64 86 80 67 66 88 82 69 68 88 83 72 70 87 81
DEWPT         53 57 56 57 59 61 60 61 61 62 60 61 61 62 62 63 62 63
RH            37 47 70 78 40 52 78 84 40 51 73 78 40 49 71 78 43 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC SC SC FW FW FW FW FW FW SC SC SC B1
POP 12HR            5       5      10      10       5       5       5      10      30
RAIN SHWRS                                                       SC
TSTMS                                                            SC

$$


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