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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Thu Apr 23 2026

NCZ001-240800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
301 PM EDT Thu Apr 23 2026

Date           04/23/26      Fri 04/24/26            Sat 04/25/26            Sun
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                 52          69          54          64          48
TEMP          69 63 57 56 55 56 64 67 66 61 57 56 55 57 60 62 59 56 54 52 50 49
DEWPT         34 39 39 40 41 43 42 43 44 45 46 46 47 49 51 53 53 51 50 48 47 46
MIN/MAX RH                   64          42          75          71          91
RH            27 41 51 55 59 62 45 42 45 56 67 69 74 75 72 72 80 83 86 86 89 89
WIND DIR       W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW
WIND SPD       8  8  8  9 10 10 10  6  8  8  9 10 10 11 11 10 10 10 11 12 12 13
CLOUDS        FW FW FW SC FW FW FW B1 SC FW FW SC SC B2 B2 OV OV B1 B1 SC SC SC
CLOUDS(%)     12  8  8 27 13 13 11 59 46 16 21 38 45 71 71 94 94 69 58 43 41 31
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10                           
POP 12HR                      0          10          20          90          50
RAIN SHWRS                                     IS IS SC SC NM  O SC SC         
TSTMS                                                   IS SC IS               
MIX HGT        7 <1 <1 <1 <1 <1  7  6  5 <1 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR     W  W NW NW NW NW  W SW  W  W  W  W  W NW NW NW NW NW            
T WIND SPD     8  4  3  4  4  3  6  5  6  3  3  5  8  6 13 13  9 12            
DISPERSION       PR PR PR FR             PR PR FR FR             FR FR FR FR   
ADI           61  3  2  3  3  4 50 25 41  2  2  4  7  8 23 35 20 11            
MAX LVORI      1  2  2  3  3  3  1  2  1  3  3  3  4  3  3  3  3  4            
STABILITY      B  E  E  E  E  B  B  C  B  E  E  E  D  D  D  C  C  D            
CEILING              None  None  None  None  None  None  1800   600  None      
STA PRES            26.67 26.64 26.64 26.58 26.57 26.56 26.58 26.58            


Date           04/26Mon 04/27/26Tue 04/28/26Wed 04/29/26Thu 04/30/26
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       65      45      61      50      65      51      64      48      62
TEMP          65 61 50 46 58 57 52 51 59 60 56 54 61 59 52 51 59 57
DEWPT         43 44 43 42 45 44 44 47 53 52 51 50 46 44 43 44 42 40
RH            45 53 77 86 62 62 74 86 80 75 83 86 58 57 71 77 53 53
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC B1 SC B1 B1 B2 B2 B1 SC B1 B1 B1 SC B1 B1 B1
POP 12HR           20      20      20      60      80      30      40      30      50
RAIN SHWRS       IS IS IS IS IS IS NM  O 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