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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Fri Jul 24 2026

VAZ024-242000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
731 AM EDT Fri Jul 24 2026

Date             Fri 07/24/26            Sat 07/25/26            Sun 07/26/26
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                 77          61          78          62          89
TEMP             65 72 75 76 70 67 66 63 64 70 75 78 74 68 65 63 65 79 86 88 81
DEWPT            61 62 63 63 64 64 63 63 64 65 65 66 66 65 63 61 64 66 66 66 67
MAX/MIN RH                   64         100          65          97          47
RH               87 71 66 64 81 90 90100100 84 71 67 76 90 93 93 97 64 51 48 63
WIND DIR         NE  E SE SE  E  E  E  E  E  E SE SE  S  N  N  N  N NW NW NW NW
WIND SPD          2  4  4  3  2  2  2  2  1  1  2  2  2  0  0  0  0  1  2  1  1
CLOUDS           B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B1 SC SC SC SC SC SC FW SC SC SC
CLOUDS(%)        77 72 74 62 82 84 88 75 80 75 68 45 33 34 35 38 33 16 34 31 37
VSBY             10 10 10 10  7  6  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          60          10          10          10
RAIN SHWRS                   SC SC SC SC                                       
MIX HGT          <1  3  4  3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  3  6  5 <1
T WIND DIR        E  E  E  E  N NE NE  E NE NE SW  W SW  S  W NW NW  N NW NW  S
T WIND SPD        6 12 10 10  0  2  3  4  4  3  1  3  3  2  1  3  3  6  3  3  1
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI               7 38 37 35  0  1  2  2  5  7  4 14  2  1  1  2  3 30 25 22  1
MAX LVORI         5  3  3  3  6  7  7  9  9  4  3  3  4  7  9  8  8  3  2  2  3
STABILITY         B  C  C  B  F  F  F  F  B  B  B  A  G  G  G  G  A  A  A  A  G
CEILING              3500  5000  3700  2100  2400  None  None  None  None  None
STA PRES            28.67 28.62 28.62 28.58 28.58 28.52 28.48 28.47 28.45 28.39


Date          Mon 07/27/26Tue 07/28/26Wed 07/29/26Thu 07/30/26
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      92      67      93      67      91      63      90
TEMP          67 67 89 83 71 71 91 83 71 70 89 82 68 67 88 82
DEWPT         65 66 68 70 68 69 71 71 69 69 67 66 64 64 63 65
RH            93 97 50 65 90 93 52 67 93 97 48 58 87 90 43 56
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC B1 B1 B1 SC SC B1 FW FW FW SC
POP 12HR           10      20      20      40      30      30      20      10
RAIN SHWRS             IS IS       SC SC IS SC SC IS         
TSTMS                  IS IS       SC 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