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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Fri Jul 25 2025

NCZ001-252000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
802 AM EDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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          65          79          67          80
TEMP                72 75 75 72 69 67 66 67 72 76 75 71 69 68 68 67 72 76 75 70
DEWPT               62 62 63 64 64 64 63 64 66 66 66 67 66 65 65 65 67 68 68 66
MAX/MIN RH                   63          93          75          93          75
RH                  71 64 66 76 84 90 90 90 81 71 74 87 90 90 90 93 84 76 79 87
WIND DIR            NW  W SW SW NW NW NW NW NW  W  W  W  W  W NW NW NW  W NW NW
WIND SPD             3  2  2  3  5  6  8  8  5  3  3  3  5  9 10 10  8  6  6  6
CLOUDS              FW B1 B1 SC SC FW FW SC SC B2 B2 SC FW SC FW SC SC SC SC SC
CLOUDS(%)            9 52 52 33 30 19  9 40 40 71 71 43 24 31 22 50 50 44 38 31
VSBY                10 10 10 10 10 10  8 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     30          10          60          10          60
RAIN SHWRS             IS SC             IS IS NM NM             SC SC NM NM IS
TSTMS                  IS SC             IS IS NM NM             SC SC NM NM IS
MIX HGT              3  5  3 <1 <1 <1 <1 <1  2  4  1 <1 <1 <1 <1 <1  2  4  3 <1
T WIND DIR          NW  W  W SW  W NW NW NW NW SW  W  W  W  W NW NW NW NW NW NW
T WIND SPD           8  2  2  2  2  3  4  4 10  4  5  3  3 10 10 16 20 14 16 10
DISPERSION                   VP PR PR PR             VP PR PR FR             PR
ADI                 30 13  9  1  1  2  3  5 32 21 10  2  2  7  7 17 63 68 60  5
MAX LVORI            3  3  3  4  5  7  6  6  3  3  3  6  7  5  5  5  4  3  3  5
STABILITY            A  B  B  G  F  F  E  B  A  B  B  F  F  E  E  B  B  B  B  F
CEILING              None  None  None  None  None   600  None  None  None  None
STA PRES            26.87 26.82 26.83 26.83 26.86 26.82 26.83 26.82 26.86 26.84


Date          Mon 07/28/25Tue 07/29/25Wed 07/30/25Thu 07/31/25
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       67      81      67      83      66      84      66      79
TEMP          69 68 77 71 69 68 79 73 69 68 80 72 68 66 76 68
DEWPT         65 65 68 66 65 65 65 66 64 64 63 64 63 63 64 64
RH            87 90 74 84 87 90 62 79 84 87 56 76 84 90 66 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW SC SC SC FW FW SC FW FW FW FW SC SC B1 B1
POP 12HR           20      60      20      30      20      30      20      60
RAIN SHWRS    IS    IS NM IS       SC IS       SC IS    SC NM
TSTMS         IS    IS NM IS       SC IS       SC IS    SC NM

$$


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