MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/gfs/2509250000F018.gfs Reading from grid file:/home/data/models/gfs/2509250000F018.gfs Searching the city database file for: KATL ... Searching file for grids... VAR_make_datatype: no ltype: 10 VAR_make_datatype: no ltype: 10 Date: 18 hour GFS valid 18Z THU 25 SEP 25 Station: KATL Latitude: 33.65 Longitude: -84.42 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 111 SFC 981 282 22.8 21.3 91 1.5 21.8 204 7 297.7 300.6 295.6 345.5 16.51 2 950 556 20.7 19.1 90 1.6 19.6 219 17 298.2 300.9 294.6 341.3 14.83 3 900 1024 18.9 16.3 85 2.6 17.2 234 21 301.0 303.4 294.2 339.4 13.09 4 850 1514 16.5 13.8 84 2.7 14.7 239 23 303.4 305.6 293.9 338.4 11.78 5 800 2029 13.9 11.4 85 2.5 12.3 242 24 306.0 308.0 293.8 338.0 10.65 6 750 2572 10.8 8.8 88 2.0 9.6 242 23 308.3 310.1 293.6 337.2 9.52 7 700 3145 7.4 6.0 91 1.4 6.6 246 24 310.7 312.3 293.4 336.6 8.42 8 650 3753 3.9 2.7 92 1.2 3.2 249 26 313.4 314.7 293.2 335.7 7.15 9 600 4400 0.3 -1.3 89 1.6 -0.5 250 27 316.5 317.6 293.1 335.0 5.83 10 550 5095 -3.1 -5.3 84 2.3 -4.1 251 30 320.5 321.4 293.2 335.7 4.69 11 500 5844 -7.5 -9.7 84 2.2 -8.5 254 31 323.8 324.6 293.3 336.0 3.66 12 450 6657 -12.4 -13.4 92 1.0 -12.8 247 33 327.6 328.2 293.8 337.9 3.03 13 400 7548 -17.4 -17.6 98 0.2 -17.5 230 33 332.3 332.8 294.5 340.7 2.40 14 350 8537 -23.6 -23.6 100 0.0 -23.5 216 34 337.0 337.3 295.0 342.9 1.63 15 300 9645 -31.8 -31.8 100 -0.0 -31.8 209 36 340.6 340.7 295.3 343.9 0.89 16 250 10907 -41.7 -41.7 100 0.0 -41.7 203 36 344.0 344.1 295.6 345.6 0.39 17 200 12377 -54.2 -54.6 96 0.4 -54.2 226 48 346.9 346.9 296.0 347.4 0.12 18 150 14171 -65.1 -76.5 19 11.4 -65.1 237 36 358.0 358.0 298.3 358.0 0.01 19 100 16591 -69.7 -81.9 15 12.2 -69.8 242 25 393.1 393.1 304.2 393.1 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5733.28 m Freezing level: 594.92 mb = 4470.66 m = 14667.34 ft Wetbulb zero: 606.88 mb = 4307.96 m = 14133.56 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 87.41 % Est. max temperature: 29.55 C = 85.19 F Sfc-Lift cond lev (LCL): 959.52 mb = 469.92 m = 1541.73 ft T: 21.41 C 700-500 lapse rate: 5.54 C/km ThetaE index: 10.48 C Layer 950.0- 550.0 mb Conv cond level (CCL): 857.42 mb = 1439.74 m = 4723.48 ft Mean mixing ratio: 14.23 g/kg Conv temperature: 28.22 C = 82.79 F Cap Strength: 1.30 C Lifted Index: -1.24 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.64 C Lifted Index @700 mb: -0.58 C Showalter Index: -0.12 C Risk: Thunderstorms probable Total Totals Index: 45.43 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.05 C Cross Totals Index: 21.38 C K Index: 36.49 Risk: > 80 % chance of thunderstorms Sweat Index: 301.39 Risk: Showers and thunderstorms possible Energy Index: -0.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 185.54 J/kg Max Up Vert Vel: 19.26 m/s Conv Inhibition (B-): 43.05 J/kg Cap Strength: 1.29 C Lift Cond Lev (LCL): 902.78 mb = 997.34 m = 3272.09 ft Lev Free Conv (LFC): 737.78 mb = 2708.66 m = 8886.57 ft Equ Level (EL): 387.78 mb = 7778.01 m = 25518.09 ft B at Equ Level: 185.03 J/kg Max Parcel Lev (MPL): 247.78 mb = 10965.36 m = 35975.16 ft Wind Parameters Mean winds (0-6000m): 245.5 at 25.2 knts Storm direction: 275.5 at 18.9 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 81.0 deg Storm rel helicity (0-3000m) pos: 94.7 neg: -1.7 tot: 93.0 m^2/s^2 ave: 31.0 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.8 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 7.24 Bulk Shear: 25.64 m/s