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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Jul 23 2026

VAZ046-232000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Thu Jul 23 2026

Date             Thu 07/23/26            Fri 07/24/26            Sat 07/25/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 76          61          77          63          78
TEMP                70 74 75 71 66 63 62 63 72 77 77 73 68 65 63 65 70 75 77 73
DEWPT               59 60 61 63 61 60 59 61 63 64 64 65 64 64 63 65 66 66 66 66
MAX/MIN RH                   60          95          64         100          69
RH                  68 62 62 76 84 90 90 93 73 64 64 76 87 97100100 87 74 69 79
WIND DIR            NE NE  E  E NE  N NE NE NE  E  E  E  E  E NE NE NE NE SE SW
WIND SPD             9  6  5  2  1  2  3  4  5  5  5  2  2  2  2  2  3  3  3  1
CLOUDS              B1 B1 B1 SC SC FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC
CLOUDS(%)           62 56 61 37 34 23 47 48 51 66 80 72 85 76 78 79 84 81 71 43
VSBY                10 10 10 10 10  8  7 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20           5           0          50          30
RAIN SHWRS                                           IS IS SC SC SC SC IS IS IS
MIX HGT              2  4  4 <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR          NE NE  E  S SW  N  N NE  E  E NE  E  E  N  N NE  N  N  N  E
T WIND SPD          16  9  6  5  2  2  3  5 18 12 11  9  8  6  4 10  9  8  4  1
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 45 33 26  3  1  1  2  6 61 51 44  4  4  3  2 11 20 28 15  1
MAX LVORI            1  1  2  3  5  6  7  6  3  1  1  4  6  8  9  7  4  3  3  4
STABILITY            C  C  C  G  G  G  F  A  C  C  C  F  F  F  F  B  B  B  B  F
CEILING              4000  None  None  None  None  4300  4300  5100  6100  7700
STA PRES            29.43 29.41 29.44 29.41 29.42 29.40 29.40 29.37 29.38 29.31


Date          Sun 07/26/26Mon 07/27/26Tue 07/28/26Wed 07/29/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       63      84      65      87      68      89      68      87
TEMP          65 66 81 76 67 68 85 80 71 71 86 81 70 71 85 80
DEWPT         65 66 69 70 67 68 70 71 69 70 74 72 70 70 70 70
RH           100100 67 82100100 61 74 93 97 68 74100 97 61 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR           20      20      20       5      20      50      40      30
RAIN SHWRS    IS IS    IS IS             IS    SC SC       SC
TSTMS                  IS IS             IS    SC SC       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