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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Sun Jul 13 2025

NCZ003-132000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
301 AM EDT Sun Jul 13 2025

Date             Sun 07/13/25            Mon 07/14/25            Tue 07/15/25
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                 91          68          91          68          86
TEMP          69 73 84 87 86 81 74 71 69 73 86 87 85 82 75 72 70 73 81 83 81 78
DEWPT         66 68 71 70 72 71 69 68 66 70 72 71 72 73 71 70 69 71 73 74 73 73
MAX/MIN RH                   58          95          59          97          74
RH            90 84 65 57 63 72 84 90 90 90 63 59 65 74 87 93 97 93 77 74 77 85
WIND DIR      NW NW  N  W  S  N  N  N NW NW NW SW SW  N  N  N  N  N  S  S  S  S
WIND SPD       1  2  1  1  2  0  0  0  1  1  1  2  2  0  0  0  0  0  1  2  2  1
CLOUDS        FW FW FW SC B1 SC SC FW SC SC SC B1 B2 B1 B1 SC B1 B1 B1 OV OV B2
CLOUDS(%)     22 21 20 40 54 50 39 25 29 34 34 60 86 69 67 48 61 67 67 89100 73
VSBY          10 10 10  7  7  7  7 10 10 10 10  6  6  6  7  7 10  7  6  6  6  6
POP 12HR                     40          30          70          50          90
RAIN SHWRS             IS SC SC IS             SC NM SC SC IS    IS SC NM  O SC
TSTMS                  IS SC SC IS             SC NM SC SC          SC NM  O SC
MIX HGT       <1 <1  4  6  4 <1 <1 <1 <1 <1  4  6  3 <1 <1 <1 <1 <1  3  4  2 <1
T WIND DIR    NW NW  N  W  W  W NW NW  N NW NW NW  W  N  N  N  N NW NW SW  S SW
T WIND SPD     5 11  6  4  5  5  6  6  4  5  6  5  4  1  2  0  2  2  4  4 10 12
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            3 11 38 34 27  3  3  3  2  6 35 37 16  1  1  0  1  2 17 23 27  6
MAX LVORI      6  4  1  1  2  3  5  6  6  5  1  1  3  4  6  8  8  6  3  3  3  5
STABILITY      G  A  A  A  B  F  G  G  G  A  A  B  B  F  F  F  F  B  B  B  B  F
CEILING              None  None  None  None  None  3800  3800  3800  3500  2200
STA PRES            28.20 28.15 28.17 28.17 28.19 28.17 28.19 28.19 28.22 28.20


Date          Wed 07/16/25Thu 07/17/25Fri 07/18/25Sat 07/19/25
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       69      86      69      87      69      88      69      88
TEMP          72 72 82 79 72 73 84 80 72 73 85 81 72 74 84 80
DEWPT         71 71 73 74 71 71 74 74 70 71 73 73 70 71 73 73
RH            97 97 74 85 97 93 72 82 93 93 67 77 93 90 70 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV B1 B2 B1 B2 SC SC B1 B2 B1 SC B1 B2
POP 12HR           50      80      30      60      20      50      20      50
RAIN SHWRS    SC IS SC  O SC    SC NM IS    SC SC IS    SC SC
TSTMS         SC    SC  O SC    IS NM IS    IS SC IS    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