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

NCZ005-120800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
831 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                 43          75          51          77          50
TEMP                48 47 44 47 64 72 73 66 58 56 53 55 70 75 73 67 60 55 51 53
DEWPT               48 45 43 47 47 44 43 45 43 43 45 48 52 53 56 58 57 54 49 48
MIN/MAX RH                  100          34          78          45          97
RH                 100 93 96100 54 37 34 47 57 62 74 77 53 46 55 73 90 96 93 83
WIND DIR            NE  N  W NW SE  S SW  S  S  S SW SW SW SW SW SW SW  W NW NW
WIND SPD             1  0  1  1  2  4  5  4  5  8  8  9 12 12 11  5  4  4  4  6
WIND GUST                                      18          23                  
CLOUDS              FW SC B1 B1 CL CL CL FW CL CL FW FW SC B2 B2 B1 B1 SC FW CL
CLOUDS(%)           18 30 68 59  3  5  3  7  5  4 14 12 29 73 73 66 66 27 12  4
VSBY                 8  7  0  4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0          50          50
RAIN SHWRS                                                 IS SC SC SC         
TSTMS                                                         SC               
Obvis              PF+ PF PF PF                                                
MIX HGT             <1 <1 <1 <1  3  7  7 <1 <1 <1 <1  1  4  7  4 <1            
T WIND DIR          NE SW  W  W  S SW SW  S  S  S SW SW SW SW SW  S            
T WIND SPD           5  1  1  1  3  5 10  4  4  6  9 16 20 21 19  5            
DISPERSION          VP VP VP             VP PR PR PR             PR VP VP VP   
ADI                  3  1  1  1 15 49 91  2  2  5  6 29 80 77 53  4            
MAX LVORI            9 10 10 10  2  1  1  2  3  3  3  3  1  1  1  3            
STABILITY            G  G  F  A  A  A  A  F  F  E  E  B  C  D  D  E            
CEILING              None 35000  None  None  None  None  None  3300  3200      
STA PRES            29.44 29.46 29.49 29.42 29.41 29.36 29.30 29.15            


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       70      43      74      51      86      61      89      63      91
TEMP          67 60 47 48 71 69 54 56 83 79 66 65 88 82 68 67 89 84
DEWPT         42 42 42 42 42 46 46 49 54 57 57 59 57 58 59 61 59 60
RH            40 51 83 80 35 44 74 77 37 47 73 81 35 44 73 81 37 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW CL CL FW FW SC SC FW SC SC SC FW FW FW FW FW
POP 12HR            0       0       0       5      10      20      20       5      10
RAIN SHWRS                                  IS       IS            
TSTMS                                       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