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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Sun May 10 2026

NCZ005-110800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
631 PM EDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            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                 56          64          43          73          51
TEMP             76 67 61 58 59 61 59 59 57 52 47 45 47 63 70 73 67 57 54 52 56
DEWPT            50 50 52 53 51 49 50 50 49 48 46 45 44 47 44 42 44 43 44 46 49
MIN/MAX RH                   85          64         100          34          81
RH               40 54 72 83 75 65 72 72 75 86 96100 89 56 39 33 43 59 69 80 77
WIND DIR         SW  W  N NE NE NE NE NE NE NE  N  N NE  E  E  S  S  S  S  S SW
WIND SPD          3  3  3  5  9 11  8  5  2  1  1  2  2  4  3  3  2  4  5  6  8
WIND GUST                       21                                             
CLOUDS           FW SC SC B1 B2 OV OV OV B1 FW B1 B1 B1 FW FW CL CL FW FW FW FW
CLOUDS(%)        16 46 43 65 80100 97 90 67 18 51 65 52  6 10  3  5  6  8 21 24
VSBY             10 10 10 10  9  9  7  8 10  9  4  5  8 10 10 10 10 10 10 10 10
POP 12HR                      5          70           5           0           0
RAIN SHWRS                   SC SC NM SC                                       
MIX HGT          <1 <1 <1 <1  2  2  2  2 <1 <1 <1 <1  1  4  7  7 <1            
T WIND DIR       SW SW NW NE NE NE NE NE  N  W SW  W  N  E  W SW  S            
T WIND SPD        3  3  2 19 18 19 17 11  4  1  1  1  1  6  1  6  2            
DISPERSION       VP VP VP PR             VP VP VP VP             VP VP PR PR   
ADI               2  2  1  9 40 39 30 25  2  1  1  1  1 34 10 61  1            
MAX LVORI         2  3  3  5  3  3  3  3  5  7  8 10  6  1  2  1  2            
STABILITY         G  F  G  G  C  D  D  C  F  G  F  F  A  A  A  A  G            
CEILING              None  6900  2600   900  None 26300  None  None  None      
STA PRES            29.26 29.30 29.42 29.41 29.45 29.47 29.51 29.43            


Date           05/13Thu 05/14/26Fri 05/15/26Sat 05/16/26Sun 05/17/26
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       76      52      73      47      76      55      85      61      88
TEMP          75 68 57 55 71 66 51 52 73 70 58 59 83 79 66 65 86 82
DEWPT         53 56 54 51 44 43 42 43 43 47 47 50 53 55 54 56 57 57
RH            46 65 90 86 38 43 71 71 34 44 67 72 36 44 65 73 37 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 B1 SC CL FW CL CL FW FW SC SC SC SC SC SC FW FW
POP 12HR           50      50       0       0       0       0       5      10       5
RAIN SHWRS       SC SC                                             
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