EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Aug 5 2026

NCZ003-060800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
231 PM EDT Wed Aug 5 2026

Date           08/05/26      Thu 08/06/26            Fri 08/07/26            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                 68          83          69          83          67
TEMP          80 75 71 70 70 70 76 82 82 76 72 70 70 70 76 82 82 77 72 70 68 70
DEWPT         73 72 71 70 70 70 72 73 73 72 71 70 70 70 72 73 73 72 71 70 68 70
MIN/MAX RH                  100          74         100          72         100
RH            79 90100100100100 87 74 74 87 97100100100 87 74 74 85 97100100100
WIND DIR       S  S  S  S SW SW SW SW  S  S SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD       4  3  2  3  3  3  4  6  5  3  2  3  3  3  4  5  5  3  2  3  3  3
CLOUDS        B1 SC SC SC B1 B2 SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B2 B1 B1 SC SC SC
CLOUDS(%)     69 44 42 48 54 71 43 55 59 55 53 74 64 63 53 76 76 59 55 37 40 50
VSBY          10 10 10  9  5  5 10 10 10  8                                    
POP 12HR                     20          40          40          60          30
RAIN SHWRS    SC IS                IS SC SC SC             NM NM SC SC         
TSTMS         SC IS                IS SC IS                SC SC SC IS         
Obvis                     PF PF                                                
MIX HGT        3 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  2  3  4 <1            
T WIND DIR     S  S  S  S  S SW SW SW  S  S  S SW SW SW SW SW SW SW            
T WIND SPD    12 12  6  9  5  6  6 11 14 11 11  6  4  6  6 12 13  9            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           42  6  3  4  3  8 22 43 50  5  5  3  2  9 15 44 51  4            
MAX LVORI      3  5  9  9  9  8  4  3  3  5  9  9  9  8  4  3  3  5            
STABILITY      C  F  F  F  F  B  A  C  C  F  F  F  F  B  C  C  C  F            
CEILING        2100  None   600  None  2700  2200  1000   700  2700  None      
STA PRES      29.03 29.07 29.10 29.14 29.10 29.13 29.15 29.17 29.10            


Date           08/08Sun 08/09/26Mon 08/10/26Tue 08/11/26Wed 08/12/26
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       84      68      85      68      87      69      88      70      86
TEMP          83 78 70 70 84 79 71 69 85 80 71 71 85 81 72 70 83 79
DEWPT         72 72 70 69 72 72 70 69 71 72 70 69 72 72 70 70 73 72
RH            70 82100 97 67 79 97100 63 77 97 93 65 74 93100 72 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC SC SC SC SC SC FW SC SC SC FW SC SC SC SC B1
POP 12HR           40      10      20       5      10       5      20      10      40
RAIN SHWRS       SC          IS                      IS          SC
TSTMS            SC          IS                      IS          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