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

NCZ005-300800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
731 PM EDT Wed Apr 29 2026

Date           04/29/26      Thu 04/30/26            Fri 05/01/26            Sat
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 54          72          44          71          49
TEMP             68 63 59 55 56 63 69 70 62 53 48 44 47 59 67 70 64 56 55 51 49
DEWPT            62 59 55 52 51 47 43 38 37 36 36 36 37 37 36 36 39 40 42 43 45
MIN/MAX RH                   90          31          73          29          87
RH               81 87 87 90 83 56 39 31 39 52 63 73 68 44 32 29 40 55 61 74 86
WIND DIR         SW NW NW NW NW NW NW NW NW  N  N  N  N NE  S SW SW SW  N  N  N
WIND SPD          4  5  5  4  5  8  9 10  5  5  4  2  2  3  5  6  3  3  3  4  5
CLOUDS           B2 B1 B1 B2 B2 SC FW FW FW FW SC B1 B1 SC SC SC B2 B2 OV OV OV
CLOUDS(%)        77 54 62 72 79 39 25 18 20 23 42 53 61 37 37 48 77 81 89 90 88
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     30           0           0           5          40
RAIN SHWRS       SC                                                    SC SC NM
TSTMS            IS                                                            
MIX HGT          <1 <1 <1 <1 <1  4  6  7 <1 <1 <1 <1 <1  4  6  7 <1            
T WIND DIR        S NW NW  N NW NW NW NW NW  N  N  N  N SE  S SW SW            
T WIND SPD        2  2  4  3 10 13  9 12 13  8  9  5 10  2  5 11 10            
DISPERSION       VP PR PR VP             PR PR VP VP             VP VP VP VP   
ADI               2  2  3  2 11 69 64 98  6  4  6  3 12 11 43 87  5            
MAX LVORI         4  7  6  6  4  1  1  1  2  2  3  3  3  2  1  1  2            
STABILITY         E  E  E  E  B  B  B  B  F  F  E  F  B  A  A  B  F            
CEILING              None  8500  None  None  None  None  None  None 17700      
STA PRES            29.04 29.08 29.13 29.11 29.22 29.26 29.28 29.20            


Date           05/02Sun 05/03/26Mon 05/04/26Tue 05/05/26Wed 05/06/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       61      38      68      42      76      53      80      52      81
TEMP          55 56 46 44 64 60 46 47 73 69 58 56 78 71 58 57 77 74
DEWPT         47 42 36 34 32 34 34 37 40 45 47 49 47 49 49 50 51 53
RH            74 59 68 68 30 37 63 68 30 42 67 77 33 46 72 77 40 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B1 B1 SC CL FW CL CL FW FW SC SC FW SC SC SC SC SC
POP 12HR           60      20       0       0       5      10      10       5      20
RAIN SHWRS    NM SC IS                                           IS
TSTMS                                                            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