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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Tue May 26 2026

VAZ046-270800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
831 PM EDT Tue May 26 2026

Date           05/26/26      Wed 05/27/26            Thu 05/28/26            Fri
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                 66          82          63          81          56
TEMP                70 69 68 68 77 82 80 74 69 66 64 66 76 81 80 73 66 61 57 60
DEWPT               70 69 68 68 71 71 70 70 68 65 63 64 66 64 64 64 60 57 54 54
MIN/MAX RH                  100          69          97          56          90
RH                 100100100100 82 69 72 87 97 97 97 93 71 56 58 73 81 87 90 81
WIND DIR             S SW SW SW SW SW  W  W  W  W NW NW  N  N NE NE NE NE NE NE
WIND SPD             3  4  6  6  8  8  8  4  4  4  4  3  5  5  4  4  4  3  4  4
CLOUDS              OV B2 B2 OV B2 B1 B2 B1 SC SC SC SC SC B1 B1 SC SC SC FW FW
CLOUDS(%)           90 87 87 89 72 51 71 61 48 40 44 44 33 52 52 41 40 27 20 15
VSBY                 6  5  6  7 10 10 10 10 10  6  4 10 10 10 10 10 10 10  6 10
POP 12HR                     80          70          40          30           0
RAIN SHWRS          SC IS          SC SC SC    IS IS IS IS SC SC               
TSTMS               IS             SC SC SC                SC SC               
Obvis                  PF                                                      
MIX HGT             <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR          NE  E SW SW  W  W  W  W  N NE NE NE  N  N NW  N            
T WIND SPD           2  1  2  3 16 20 18 12  2  1  1  1  9  9  9 11            
DISPERSION          VP VP PR             VP VP VP VP             VP VP VP VP   
ADI                  1  1  2  3 41 70 43  8  2  1  1  1 39 39 30  8            
MAX LVORI           10 10 10  9  3  1  3  5  8  9  9  7  3  1  1  3            
STABILITY            F  E  E  C  B  C  C  E  E  F  E  A  A  C  C  E            
CEILING              2800  4900  7000  3900  None  None  None  None  None      
STA PRES            29.32 29.30 29.29 29.19 29.21 29.24 29.27 29.23            


Date           05/29Sat 05/30/26Sun 05/31/26Mon 06/01/26Tue 06/02/26
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       78      57      79      54      74      53      75      53      73
TEMP          76 73 62 61 77 72 61 56 72 69 58 58 73 69 58 57 71 67
DEWPT         57 62 57 57 60 60 55 52 55 58 54 54 56 58 53 53 54 56
RH            52 68 84 87 56 66 81 86 55 68 86 86 55 68 83 86 55 68
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC B1 B1 B1 FW FW FW SC SC SC SC SC SC SC SC
POP 12HR            0       0       5       5       5      20      20      20      20
RAIN SHWRS                                     IS IS IS 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