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

VAZ046-232000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Thu Apr 23 2026

Date             Thu 04/23/26            Fri 04/24/26            Sat 04/25/26
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                 84          56          86          57          81
TEMP                76 82 83 76 65 60 56 61 80 85 84 75 67 62 58 61 74 78 78 70
DEWPT               49 49 49 51 51 52 51 52 51 48 48 49 51 52 52 53 57 58 57 56
MAX/MIN RH                   30          83          27          82          49
RH                  39 32 31 42 60 75 83 72 36 28 29 40 56 70 80 75 55 50 48 61
WIND DIR             W NW NW  W NW SW  W  W  W  W  W SW SW  W  W  W  W  W  W NW
WIND SPD             5  5  5  3  2  2  2  3  4  5  5  3  3  3  3  3  5  6  6  4
CLOUDS              CL FW SC SC FW FW FW FW FW SC SC FW FW FW SC B1 B1 B2 B2 B1
CLOUDS(%)            2 24 40 30 14  7 16 11 25 33 33 25 22 22 30 57 57 83 83 67
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                     10          10          20          10          70
RAIN SHWRS                                        IS             SC SC NM NM SC
TSTMS                                                                  SC SC   
MIX HGT              4  9  8 <1 <1 <1 <1 <1  6  9  7 <1 <1 <1 <1 <1  5  6  4 <1
T WIND DIR          NW NW NW  W  W  W  W  W NW  W  W  W SW  W  W  W SW  W  W  W
T WIND SPD          17 12 10  3  3  3  3  2 14 12 11  3  2  3  2  1  6 14 14  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 97132 97  2  2  2  2  2117128 97  2  1  2  1  1 38 65 65  6
MAX LVORI            1  1  1  2  3  4  5  3  1  1  1  2  3  3  5  4  1  1  1  3
STABILITY            A  A  A  G  G  G  G  A  A  A  A  G  G  G  G  A  B  C  B  E
CEILING              None  None  None  None  None  None  None  None 13700 10200
STA PRES            29.29 29.22 29.21 29.19 29.17 29.09 29.10 29.08 29.08 29.05


Date          Sun 04/26/26Mon 04/27/26Tue 04/28/26Wed 04/29/26
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       52      72      48      73      53      72      52      77
TEMP          59 53 69 65 52 49 69 67 57 55 67 68 59 56 74 69
DEWPT         55 50 49 46 46 45 46 47 49 51 58 55 53 51 50 48
RH            87 89 49 50 80 86 44 49 75 86 73 63 80 83 43 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC SC FW SC SC SC SC B2 B2 B2 SC SC SC SC
POP 12HR           50      20      10      20      60      80      30      20
RAIN SHWRS    SC SC IS             IS IS NM  O SC 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