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

NCZ003-242000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
431 AM EDT Fri Apr 24 2026

Date             Fri 04/24/26            Sat 04/25/26            Sun 04/26/26
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                 82          54          77          52          75
TEMP          54 58 76 79 79 73 63 59 56 58 75 74 70 65 61 58 55 54 66 72 74 67
DEWPT         43 46 46 46 47 48 48 49 49 50 55 57 60 59 57 55 53 53 54 53 52 51
MAX/MIN RH                   30          79          50         100          47
RH            66 64 34 31 32 41 58 69 77 75 50 55 71 81 87 90 93 96 65 51 46 56
WIND DIR      NW NW NW  W SW  W NW NW  W SW SW SW NW NW NW NW NW  N  N NE  E  E
WIND SPD       2  2  2  3  3  1  1  1  1  1  2  5  4  2  1  1  2  2  3  5  5  3
CLOUDS        FW FW FW B1 B1 FW FW FW FW B1 B1 OV OV B2 B2 B1 B1 SC SC SC SC SC
CLOUDS(%)     19 25 22 54 52 20  8  9 19 54 54 91 93 77 75 57 57 48 48 38 38 30
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                     10           5          90          60          20
RAIN SHWRS                               SC SC  O  O NM NM SC SC IS IS IS IS   
TSTMS                                          SC IS                           
MIX HGT       <1 <1  8  8  6 <1 <1 <1 <1 <1  5  6  2 <1 <1 <1 <1  1  4  4  4 <1
T WIND DIR    NW NW NW SW SW SW NW NW NW NW  W SW NW NW NW NW  N  N  N NE  E NE
T WIND SPD     6  6  8  6 11  4  4  4  4  3 11 10 14 11  3  6  5 17 12  5 11 13
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            3  7 76 59 72  2  2  2  2  3 72 45 31  5  2  3  3 26 61 31 58  6
MAX LVORI      3  3  1  1  1  2  3  3  4  4  1  1  3  4  6  6  6  4  1  1  1  3
STABILITY      G  A  A  B  B  G  G  G  G  A  B  C  C  F  F  F  F  A  A  A  A  G
CEILING              None  None  None  None  6500  4500  4000  None  None  None
STA PRES            28.02 27.95 27.95 27.93 27.93 27.93 27.93 27.95 28.02 28.08


Date          Mon 04/27/26Tue 04/28/26Wed 04/29/26Thu 04/30/26
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       45      74      47      74      53      77      51      77
TEMP          50 46 70 67 51 50 67 70 59 57 74 71 56 53 74 70
DEWPT         46 43 47 48 46 46 56 56 54 53 54 53 49 47 48 49
RH            86 89 44 50 83 86 68 61 83 86 50 53 77 80 40 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW SC B1 B2 B1 SC B1 B1 B1 SC B1 B1 B1
POP 12HR           10       5      40      60      30      50      30      40
RAIN SHWRS                   SC NM SC IS SC SC SC IS SC SC SC
TSTMS                              IS          SC IS       IS

$$


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