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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Wed Jul 22 2026

NCZ005-222000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
301 AM EDT Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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                 80          66          72          62          76
TEMP          76 75 77 80 80 76 72 71 69 67 67 70 71 70 67 64 62 64 69 74 75 73
DEWPT         71 72 75 74 74 73 72 71 69 66 64 64 64 65 65 64 62 64 66 67 68 68
MAX/MIN RH                   81         100          77         100          77
RH            85 90 94 82 82 90100100100 97 90 81 79 84 93100100100 90 79 79 84
WIND DIR      SW SW SW  W SW SW  W  W  N NE NE NE NE  E  E NE NE NE NE  E  E  E
WIND SPD      11  9  9  9  6  3  3  2  4  9  9  8  6  4  3  3  4  5  6  6  5  2
WIND GUST           19 19                                                      
CLOUDS        B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2
CLOUDS(%)     80 75 78 80 92 96 76 86 80 71 72 63 74 63 63 69 77 73 86 84 83 85
VSBY          10  9 10 10 10 10  9  7  6  6 10  6  6  6  6  6  6               
POP 12HR                     90          90          60          50          30
RAIN SHWRS    SC NM NM NM  O  O NM  O NM NM IS    IS SC SC SC SC SC SC SC SC SC
TSTMS         SC SC SC SC NM SC SC IS             IS                   IS IS IS
MIX HGT       <1  1  2  3  2 <1 <1 <1 <1  1  2  3  3 <1 <1 <1 <1  1  3  3  3 <1
T WIND DIR    SW SW SW SW SW  W NE NW NE NE NE NE  E  E SE NE NE  E  E  E  E NE
T WIND SPD     8 20 23 19 14  1  6  5 12 20 20 12  8  6  2  2  3 11 12 11 11  4
DISPERSION    FR             VP VP VP VP             VP VP VP VP             VP
ADI            7 28 49 60 31  1  3  3  8 37 54 38 27  5  1  1  2 18 37 35 34  2
MAX LVORI      4  4  4  3  3  7  9  9  8  4  4  3  3  5  7 10  9  5  4  3  3  5
STABILITY      D  C  C  C  C  F  F  F  E  C  C  C  C  E  F  F  E  C  C  C  C  F
CEILING              1800  3900  1800  1700  2100  3200  6700  6000  5500  2700
STA PRES            29.16 29.14 29.16 29.22 29.35 29.34 29.38 29.39 29.41 29.35


Date          Sat 07/25/26Sun 07/26/26Mon 07/27/26Tue 07/28/26
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      78      65      85      67      90      69      89
TEMP          66 66 75 73 67 68 84 80 71 71 87 83 73 72 87 82
DEWPT         66 66 70 70 67 68 71 72 69 70 71 71 68 70 72 71
RH           100100 84 90100100 65 77 93 97 59 67 84 93 61 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B1 SC SC B1
POP 12HR           60      70      30      20      10      20      30      40
RAIN SHWRS    SC NM NM SC SC IS    IS          IS SC    IS SC
TSTMS         IS       SC IS       IS          IS 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