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

NCZ006-232000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
631 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                 72          65          76          65          77
TEMP             68 69 72 70 69 66 65 66 67 72 75 76 74 70 67 65 66 71 74 76 74
DEWPT            67 64 65 65 66 65 64 64 65 67 67 68 69 68 67 65 66 70 70 69 69
MAX/MIN RH                   80          97          75         100          80
RH               97 84 79 84 90 97 97 93 93 84 76 76 84 93100100100 97 87 79 84
WIND DIR         NE NE NE NE  E  N  N NE NE NE  E  E  N  N  N  N  N NE NE NE  N
WIND SPD          6  6  6  5  2  0  0  1  2  4  4  3  0  0  0  0  0  2  3  2  0
CLOUDS           B2 B2 B2 B2 B1 SC B1 B1 B1 OV B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1
CLOUDS(%)        73 76 70 72 54 48 64 67 61 88 87 92 84 85 75 77 76 81 79 62 53
VSBY              7 10  9  7  7  6  5  5  5  7  8  9 10 10 10 10 10 10 10 10 10
POP 12HR                     60          50          40          50          40
RAIN SHWRS       NM IS IS SC SC IS SC SC SC IS       SC SC SC SC SC SC SC SC SC
TSTMS            SC IS IS IS                                           IS IS IS
Obvis                              PF PF                                       
MIX HGT           1  2  2  3 <1 <1 <1 <1 <1  3  3  3 <1 <1 <1 <1 <1  2  2  2 <1
T WIND DIR       NE NE NE NE NE NE  N  N NE NE NE NE NE NE  N  N  N  N  N  N NW
T WIND SPD       17 20 17 12  9 10  5  5  5 11  8  8  8  8  8  6  8  6  6  3  1
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI              25 45 48 37  4  5  3  3  7 33 26 31  4  4  4  3  9 14 18  9  1
MAX LVORI         5  4  3  4  6  9  9  6  6  4  3  3  5  6  9  9  8  5  4  4  6
STABILITY         C  C  C  C  F  F  F  F  B  C  C  B  F  F  F  F  B  B  B  B  F
CEILING              2300  2900  None  1600  1600  1100  1500  1800  1700  3300
STA PRES            29.46 29.47 29.48 29.46 29.46 29.44 29.45 29.42 29.43 29.38


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      69      89      69      87
TEMP          66 67 81 79 68 68 85 82 72 71 87 83 72 71 85 81
DEWPT         66 67 71 71 68 68 71 72 69 71 73 73 70 71 72 72
RH           100100 72 77100100 63 72 90100 63 72 93100 65 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC SC SC FW SC FW SC SC SC B1 B1 FW SC B1
POP 12HR           30      20      20       5      10      30      50      30
RAIN SHWRS    SC SC    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