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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun May 3 2026

VAZ018-040800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Sun May 3 2026

Date           05/03/26      Mon 05/04/26            Tue 05/05/26            Wed
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                 45          75          55          80          60
TEMP                47 46 45 49 62 70 74 68 60 57 55 58 73 79 78 69 66 63 61 60
DEWPT               26 26 30 34 42 46 47 45 43 42 43 45 47 44 44 45 46 47 50 54
MIN/MAX RH                   57          38          65          28          82
RH                  43 45 55 56 48 42 38 43 53 57 64 62 40 29 30 42 48 56 67 81
WIND DIR             W  W  W  W  W  W  W SW SW SW SW SW SW  S  S  S  S  S  S  S
WIND SPD             2  2  3  3  6  8  6  3  4  5  4  4  6 10 10  6  6  8  6  6
WIND GUST              12 13 16 21 21 20 17 18 19 19 18 23 26 27 26 26 26 25 26
CLOUDS              SC B2 B1 SC B1 SC B1 SC SC SC SC FW FW SC B1 B2 B1 B2 B2 OV
CLOUDS(%)           28 71 57 47 66 49 59 26 29 29 28 15 19 43 55 73 64 78 83 90
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10          40           5          10          70
RAIN SHWRS                         IS SC                         IS IS NM NM  O
TSTMS                              IS SC                                       
MIX HGT             <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  5  7  7 <1            
T WIND DIR          SW SW SW  W  W  W SW  S  S SW SW SW  S  S  S  S            
T WIND SPD           2  2  3 11 18 11 19  8 10  8  5 10 16 27 29 12            
DISPERSION          VP VP VP             VP VP PR VP             PR PR PR PR   
ADI                  1  1  2 11 73 66 81  4  5  4  3 10 87200200  8            
MAX LVORI            2  2  2  2  1  1  1  2  2  3  3  2  1  1  1  2            
STABILITY            G  F  F  A  B  B  C  G  F  F  F  A  B  B  B  E            
CEILING              None  7500  None  None  None  None  None 19400  3700      
STA PRES            27.76 27.76 27.76 27.68 27.68 27.71 27.70 27.64            


Date           05/06Thu 05/07/26Fri 05/08/26Sat 05/09/26Sun 05/10/26
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       74      54      66      41      66      48      68      47      73
TEMP          71 65 59 57 59 55 46 47 63 57 49 52 65 60 50 52 70 63
DEWPT         59 55 52 53 50 39 35 35 36 38 41 44 49 44 41 41 46 47
RH            66 70 78 86 72 55 65 63 36 49 74 74 56 55 71 66 42 56
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV OV B2 OV OV B2 SC SC FW SC SC SC B1 B1 SC FW FW SC
POP 12HR           90      90      80      20      10      30      50      20      20
RAIN SHWRS     O  O NM  O  O NM IS          IS SC SC SC IS       IS
TSTMS            SC IS    IS SC                      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