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

VAZ024-240800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
731 PM EDT Thu Jul 23 2026

Date           07/23/26      Fri 07/24/26            Sat 07/25/26            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                 61          79          62          81          63
TEMP             73 66 64 62 63 73 77 78 74 68 66 64 65 72 77 80 76 68 65 63 66
DEWPT            63 62 61 60 61 63 64 64 64 64 63 63 64 67 67 67 67 67 65 63 66
MIN/MAX RH                   95          61         100          65         100
RH               71 87 90 93 93 71 64 62 71 87 90 97 97 84 71 65 74 97100100100
WIND DIR         SE  N  N  N NE  E SE SE SE  N  N  N  N  N  S  S  S  N  N  N  N
WIND SPD          1  0  0  0  1  2  3  3  1  0  0  0  0  0  2  2  1  0  0  0  0
CLOUDS           SC B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 SC B1 SC B1 SC
CLOUDS(%)        44 52 44 59 67 69 75 71 83 73 84 68 62 84 82 58 50 65 50 59 40
VSBY             10 10  9  9 10 10 10 10 10  7  6  5 10 10 10 10 10            
POP 12HR                     10          10          40          40          20
RAIN SHWRS                               IS    SC IS SC SC SC SC IS IS         
TSTMS                                                      SC SC               
Obvis                     PF                                                   
MIX HGT          <1 <1 <1 <1 <1  3  4  3 <1 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR        E  E  N  N  N  E  E  E  E  E NE NE NE NW NW NW  W            
T WIND SPD        5  3  1  2  3 13 11 10  8  2  1  4  3  3  4  5  1            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  1  1  4 47 50 38  4  1  1  2  4  9 14 18  1            
MAX LVORI         3  6  7  7  6  3  1  1  3  6  7  8  9  4  3  3  4            
STABILITY         F  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F            
CEILING              None  3300  3300  3400  3100  2400   900  4300  4100      
STA PRES            28.66 28.65 28.66 28.61 28.60 28.58 28.59 28.51            


Date           07/26Mon 07/27/26Tue 07/28/26Wed 07/29/26Thu 07/30/26
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       88      63      92      67      93      67      91      63      90
TEMP          85 79 67 67 89 84 71 70 90 84 71 69 88 81 68 67 87 81
DEWPT         68 69 66 67 68 70 68 69 71 71 68 68 66 65 63 64 64 65
RH            57 72 97100 50 63 90 97 54 65 90 97 48 58 84 90 46 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC FW SC B1 B1 SC SC B1 B1 FW SC SC FW FW FW SC
POP 12HR           40      10       5      30      30      30      20      10      20
RAIN SHWRS       SC             SC IS    SC SC       IS          IS
TSTMS            SC             IS       SC 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