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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Tue May 5 2026

NCZ006-060800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
401 PM EDT Tue May 5 2026

Date           05/05/26      Wed 05/06/26            Thu 05/07/26            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                 59          81          60          70          46
TEMP          82 76 67 64 61 62 69 77 80 75 68 66 63 61 63 64 66 61 56 51 47 49
DEWPT         48 49 53 54 54 56 60 60 61 63 63 65 63 61 63 61 58 56 53 49 44 44
MIN/MAX RH                   84          50         100          77          92
RH            31 39 61 70 78 81 73 56 52 66 84 97100100100 90 75 84 90 93 89 83
WIND DIR       S  S  S  S  S SW SW SW SW SW SW  W SW SW  W  N  N  N  N  N  N  N
WIND SPD      11  6  9  9  9  9 10 12 11  5  3  2  3  4  5  5  6  3  3  2  2  2
WIND GUST     24 17 19 20 20 20 23 25 21                                       
CLOUDS        SC SC SC SC B1 OV OV OV OV B2 B2 OV OV OV OV OV OV B2 B1 B1 SC SC
CLOUDS(%)     49 36 35 45 69 93 89 93 88 77 80 95 95 95 95 91 88 79 69 60 47 39
VSBY          10 10 10 10 10  9  9  9  9 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          50          90          90          40
RAIN SHWRS                IS SC IS    SC SC NM  O  O  O  O  O  O SC SC IS IS   
TSTMS                                 IS SC SC IS    IS IS SC IS               
MIX HGT        8 <1 <1 <1 <1  2  3  4  4 <1 <1 <1 <1  1  2  2  2  1            
T WIND DIR     S  S  S  S  S  S  S SW SW SW SW  E NE  E  N NE  N  N            
T WIND SPD    26 10 13 21 14 18 20 28 25  9  4  1  3 12 16  9 11 13            
DISPERSION       PR PR PR PR             PR VP VP VP             VP VP VP VP   
ADI          134  5  9 20 13 36 63 82 68  6  2  1  2 15 37 22 31  6            
MAX LVORI      1  2  3  3  4  3  3  1  1  3  5 10 10  5  4  4  3  4            
STABILITY      C  F  E  D  D  C  C  D  D  E  F  F  F  C  C  C  C  F            
CEILING              None  6000  4300  1200  2600   400   300  3000 11300      
STA PRES            29.31 29.28 29.27 29.24 29.26 29.21 29.15 29.15            


Date           05/08Sat 05/09/26Sun 05/10/26Mon 05/11/26Tue 05/12/26
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       70      49      77      52      82      58      79      49      74
TEMP          67 63 53 53 72 71 57 57 80 75 64 62 76 70 55 50 71 67
DEWPT         42 47 46 51 55 56 54 55 57 59 59 60 58 53 47 45 44 46
RH            40 56 77 93 55 59 90 93 45 58 84 93 54 55 74 83 38 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC B1 SC FW FW FW SC B1 B1 B1 B2 B1 SC FW FW
POP 12HR           10      20      20       5      20      40      60      20       5
RAIN SHWRS             IS IS             IS SC SC SC NM IS IS      
TSTMS                                    IS 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