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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Wed Apr 29 2026

NCZ003-292000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
131 PM EDT Wed Apr 29 2026

Date             Wed 04/29/26            Thu 04/30/26            Fri 05/01/26
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                 75          50          69          40          69
TEMP                   66 73 70 61 56 53 53 61 66 67 59 50 45 41 44 57 65 68 63
DEWPT                  63 62 60 55 50 48 47 45 41 38 36 34 34 33 34 37 37 39 41
MAX/MIN RH                   65          86          35          73          34
RH                     90 68 71 81 80 83 80 56 40 34 42 54 65 73 68 47 35 34 44
WIND DIR                S SW  W NW NW NW NW NW NW NW NW  N  N  N  N  S  S SW SW
WIND SPD                5  6  5  4  3  3  4  6  8  6  4  3  2  1  1  2  4  4  2
WIND GUST                    17 16 16 13 16 17    17                           
CLOUDS                 B2 B2 B1 B1 B1 B2 B2 FW FW FW FW SC B1 B1 B1 SC B1 B1 B2
CLOUDS(%)              83 83 57 58 64 81 71 18 21 10  9 33 57 63 53 43 52 63 82
VSBY                    9 10 10 10  9 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     80          20           0           0           5
RAIN SHWRS             SC NM IS                                                
TSTMS                  SC SC                                                   
MIX HGT                 2  4 <1 <1 <1  1  2  4  6  7 <1 <1 <1 <1  1  4  7  7 <1
T WIND DIR              S SW  W NW NW NW NW NW NW NW NW  N  N  N  N  S  S SW SW
T WIND SPD              6 10  9 13 12 14 16 17 12 13 17 13 13  9  4  5  9 10 10
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                    20 37  6  9  6  7 43 89 89100  8  6  6  4  8 30 67 84  5
MAX LVORI               4  3  3  4  4  4  3  1  1  1  2  3  3  3  3  2  1  1  2
STABILITY               C  C  E  E  F  F  C  B  B  B  F  G  F  F  A  A  B  A  F
CEILING                    1500  3600  8900  None  None  None 14500  None 17700
STA PRES                  27.88 27.92 27.93 27.97 27.96 28.05 28.08 28.10 28.03


Date          Sat 05/02/26Sun 05/03/26Mon 05/04/26Tue 05/05/26
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       44      60      36      66      38      75      47      77
TEMP          50 45 57 56 41 41 62 59 41 44 70 67 52 52 75 69
DEWPT         41 41 44 37 32 31 31 34 32 34 43 47 46 47 48 49
RH            71 86 62 49 70 67 31 39 70 68 38 49 80 83 38 49
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC FW FW FW CL CL FW SC SC FW FW SC
POP 12HR           40      50      10       0       0      20      20      20
RAIN SHWRS       SC SC SC                      IS IS       IS
TSTMS                                          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