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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri May 1 2026

VAZ046-020800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Fri May 1 2026

Date           05/01/26      Sat 05/02/26            Sun 05/03/26            Mon
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                 48          62          38          66          43
TEMP                57 53 50 49 55 60 61 56 49 44 40 45 56 62 65 58 50 46 45 49
DEWPT               44 42 39 37 36 34 33 35 32 31 31 32 31 31 32 34 34 34 34 37
MIN/MAX RH                   68          35          69          28          67
RH                  62 66 66 63 49 37 35 45 52 60 70 60 38 31 29 40 54 63 65 63
WIND DIR            SW NW  N  N  N  N  N  N NW NW NW NW NW  W  W  W SW SW SW SW
WIND SPD             6  5  5  5  6  6  5  3  4  3  4  4  6  6  8  3  2  2  3  5
CLOUDS              OV B2 B2 OV OV OV B1 B1 FW FW FW FW FW CL CL FW FW FW SC SC
CLOUDS(%)           88 76 87 90 93 91 62 51 24  8 11  7  6  3  2  6 11 23 27 33
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     10          30           5           0           0
RAIN SHWRS                      IS IS                                          
MIX HGT             <1 <1 <1  2  4  5  7 <1 <1 <1 <1  1  6  7  7 <1            
T WIND DIR          SW  W  N  N  N  N  N  N NW NW NW NW NW  W  W  W            
T WIND SPD          16 11 14 16 11 12 14  2 17  3  4 11 13 14 16 12            
DISPERSION          PR PR PR             VP VP VP VP             VP VP VP VP   
ADI                  5  2 11 40 49 78 84  1  4  2  2 10 82 93115  2            
MAX LVORI            3  3  2  1  1  1  1  2  2  3  3  2  1  1  1  2            
STABILITY            E  E  E  C  B  B  B  F  F  G  F  A  B  B  B  G            
CEILING             15200  5100  7400 12300  None  None  None  None  None      
STA PRES            29.18 29.19 29.24 29.18 29.26 29.34 29.37 29.29            


Date           05/04Tue 05/05/26Wed 05/06/26Thu 05/07/26Fri 05/08/26
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       77      53      82      60      80      59      74      46      70
TEMP          72 71 59 57 79 76 66 62 75 74 64 59 70 66 52 50 68 64
DEWPT         45 46 46 48 48 46 51 54 56 55 56 57 57 45 42 42 39 39
RH            38 41 62 72 34 34 58 75 52 51 75 93 63 47 69 74 34 40
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC FW SC B1 SC B1 B1 B2 B2 B2 B1 SC FW FW SC
POP 12HR           10       5       5      20      50      60      60      20      10
RAIN SHWRS                         IS SC SC SC NM NM SC IS         
TSTMS                                    IS 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