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

VAZ018-232000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 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                 73          61          72          63          76
TEMP          65 64 68 72 71 67 63 62 61 63 67 71 72 67 66 66 65 63 70 75 73 68
DEWPT         60 60 59 59 60 60 58 58 58 57 59 60 60 62 61 61 62 63 66 67 67 65
MAX/MIN RH                   63          89          66          98          77
RH            84 87 73 64 68 78 84 87 90 81 75 68 66 84 84 84 90100 87 76 81 90
WIND DIR      NE  E  E SE SE SE  E NE NE  E  E SE SE SE SE SE  E  E  E SE SE SE
WIND SPD       2  2  3  3  4  3  1  1  1  2  3  4  4  2  1  1  1  1  2  2  3  1
WIND GUST                                   13                                 
CLOUDS        B1 SC B1 B1 SC SC SC SC B1 B2 B1 B2 B1 OV B2 B2 B2 B2 B2 B2 B1 B1
CLOUDS(%)     62 46 59 63 33 42 41 32 56 70 68 76 69 88 86 83 80 83 85 75 62 51
VSBY           8 10 10 10 10 10 10 10 10  9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10          10          40          70          50
RAIN SHWRS    SC                               SC SC SC SC NM NM SC SC SC SC IS
TSTMS                                                                  IS IS   
MIX HGT       <1  1  2  3  3 <1 <1 <1 <1 <1  3  4  3 <1 <1 <1 <1 <1  1  2  2  1
T WIND DIR     N  E  E  E  E SE SE  N NE NE  E  E  E SE SE  E  E  E NE  E  N  S
T WIND SPD     4  6  6  3  5  8  2  1  3  5 14 10  8  8  5  5  3  3  5  2  0  1
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2 10 19 14 23  4  1  1  2  7 48 36 27  4  3  3  2  4  9  6  0  1
MAX LVORI      5  4  3  3  3  4  5  6  6  4  3  3  3  5  5  5  7  9  5  4  6  7
STABILITY      F  A  B  B  A  F  F  G  F  B  B  C  C  F  F  F  F  B  B  B  B  F
CEILING              None  None  None  None  1600  1600  3200  3200  4500  2300
STA PRES            27.91 27.89 27.92 27.91 27.92 27.89 27.90 27.87 27.87 27.82


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      83      64      86      68      88      66      84
TEMP          65 65 80 74 66 66 84 77 70 70 86 78 69 68 82 75
DEWPT         62 63 68 67 63 64 67 68 65 66 70 68 66 65 67 65
RH            90 93 67 79 90 93 57 74 84 87 59 71 90 90 61 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC B1 SC
POP 12HR           20      40      10      10      30      40      40      20
RAIN SHWRS    IS IS SC SC                SC SC SC SC       IS
TSTMS                  SC                      SC 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