UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101711.upa.cvt Date: 1100Z 17 OCT 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 17 OCT 25 Station: FSSS WMO ident: 63985 Latitude: -4.68 Longitude: 55.53 Elevation: 4.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 4 28.6 22.6 70 6.0 24.2 160 14 300.9 304.1 297.0 351.9 17.34 1 1005 48 26.2 22.3 79 3.9 23.4 160 14 298.9 302.0 296.4 348.8 17.11 2 1000 92 25.8 22.1 80 3.7 23.2 160 14 299.0 302.0 296.3 348.4 16.98 3 931 721 20.8 20.0 95 0.8 20.2 183 12 300.0 302.9 296.0 346.9 16.01 4 925 777 20.6 19.6 94 1.0 19.9 185 12 300.4 303.2 295.8 346.4 15.71 5 851 1496 16.4 16.2 99 0.2 16.3 52 1 303.2 305.8 295.3 344.0 13.74 6 850 1506 16.4 16.1 98 0.3 16.2 50 1 303.3 305.9 295.3 343.9 13.67 7 808 1937 14.2 13.4 95 0.8 13.7 93 5 305.4 307.7 294.7 341.5 12.05 8 803 1989 15.0 12.7 86 2.3 13.5 98 5 306.8 309.0 294.7 341.7 11.57 9 754 2521 12.4 -0.6 41 13.0 5.5 152 10 309.6 310.5 290.2 324.7 4.86 10 710 3024 9.4 4.5 71 4.9 6.5 203 15 311.6 313.0 293.0 334.7 7.46 11 700 3142 9.2 -0.8 50 10.0 3.9 215 16 312.7 313.7 291.4 328.9 5.16 12 693 3225 8.8 -2.2 46 11.0 3.1 218 16 313.1 314.0 291.2 328.0 4.70 13 661 3615 5.6 4.0 89 1.6 4.6 229 14 313.8 315.3 293.8 337.9 7.74 14 655 3690 6.0 -2.0 56 8.0 1.8 232 14 315.1 316.0 292.0 331.1 5.05 15 640 3879 5.0 -4.0 52 9.0 0.5 238 13 316.0 316.9 291.8 330.2 4.45 16 637 3918 4.8 0.7 75 4.1 2.5 239 13 316.2 317.4 293.4 336.3 6.33 17 630 4008 4.4 -3.6 56 8.0 0.4 242 12 316.8 317.7 292.2 331.7 4.65 18 629 4021 4.4 1.5 81 2.9 2.8 242 12 316.9 318.2 293.9 338.4 6.80 19 612 4244 4.0 -2.0 65 6.0 0.8 249 11 318.9 320.0 293.4 336.3 5.40 20 607 4311 3.8 -8.2 41 12.0 -1.7 251 11 319.5 320.1 291.9 330.6 3.39 21 606 4324 3.8 -9.2 38 13.0 -2.0 251 11 319.6 320.2 291.7 329.9 3.14 22 601 4392 3.6 -2.4 65 6.0 0.4 254 11 320.1 321.2 293.7 337.4 5.34 23 590 4541 2.6 -1.6 74 4.2 0.4 258 10 320.7 321.8 294.1 339.3 5.78 24 560 4962 0.0 -7.0 59 7.0 -3.3 271 8 322.4 323.2 293.2 335.7 4.04 25 530 5401 -3.5 -5.3 87 1.8 -4.4 285 6 323.3 324.3 294.1 339.3 4.87 26 507 5751 -5.7 -10.4 69 4.7 -7.7 296 4 324.8 325.5 293.4 336.2 3.42 27 500 5860 -6.1 -10.6 70 4.5 -8.0 300 4 325.6 326.3 293.6 337.0 3.41 28 496 5923 -6.3 -9.1 80 2.8 -7.5 296 4 326.1 326.9 294.1 339.1 3.87 29 485 6098 -6.9 -13.9 57 7.0 -9.6 283 5 327.5 328.0 293.5 336.7 2.69 30 472 6310 -7.9 -12.5 69 4.6 -9.8 268 5 328.8 329.4 294.1 339.4 3.10 31 458 6544 -8.9 -19.9 41 11.0 -12.6 251 6 330.4 330.7 293.4 336.4 1.72 32 440 6853 -11.5 -15.4 73 3.9 -13.0 228 6 330.9 331.4 294.3 340.0 2.62 33 437 6905 -11.1 -20.1 47 9.0 -14.1 225 6 332.1 332.4 293.9 338.3 1.77 34 436 6923 -11.1 -15.5 70 4.4 -12.8 223 6 332.3 332.8 294.7 341.4 2.63 35 419 7227 -12.9 -23.9 39 11.0 -16.2 201 7 333.8 334.0 294.0 338.5 1.32 36 416 7282 -13.1 -18.1 66 5.0 -14.9 197 7 334.2 334.6 294.8 342.0 2.21 37 412 7356 -13.5 -22.5 47 9.0 -16.3 192 7 334.6 334.9 294.3 340.1 1.52 38 402 7542 -14.5 -20.5 60 6.0 -16.4 178 8 335.7 336.0 294.8 342.3 1.86 39 400 7580 -14.9 -19.9 66 5.0 -16.6 175 8 335.6 336.0 295.0 342.6 1.97 40 388 7810 -16.3 -26.3 42 10.0 -19.0 165 9 336.7 337.0 294.6 340.9 1.15 41 380 7966 -17.7 -23.7 59 6.0 -19.4 159 9 336.9 337.2 294.8 342.3 1.49 42 366 8247 -19.3 -31.3 34 12.0 -22.0 147 10 338.4 338.6 294.6 341.3 0.76 43 309 9480 -29.9 -32.9 75 3.0 -30.4 94 14 340.3 340.5 295.1 343.3 0.78 44 300 9690 -31.3 -35.4 67 4.1 -31.9 85 15 341.3 341.4 295.2 343.7 0.63 45 250 10950 -41.9 -45.9 65 4.0 -42.2 80 23 343.8 343.8 295.4 344.8 0.25 46 246 11059 -42.5 -48.5 52 6.0 -42.9 80 25 344.5 344.5 295.6 345.2 0.19 47 213 12014 -51.3 -54.7 67 3.4 -51.4 76 38 345.3 345.3 295.7 345.7 0.11 48 204 12293 -53.3 -61.3 37 8.0 -53.5 75 42 346.4 346.4 295.9 346.6 0.05 49 200 12420 -54.3 -61.3 42 7.0 -54.5 75 44 346.8 346.8 296.0 347.0 0.05 50 178 13155 -60.9 -65.6 54 4.7 -61.0 70 54 347.7 347.7 296.1 347.9 0.03 51 163 13696 -64.9 -69.5 53 4.6 -65.0 66 61 349.9 349.9 296.6 350.0 0.02 52 159 13847 -65.9 -72.7 38 6.8 -66.0 65 63 350.7 350.7 296.8 350.7 0.01 53 155 14002 -66.9 -75.9 27 9.0 -67.0 69 55 351.5 351.5 297.0 351.6 0.01 54 150 14200 -65.7 -81.7 9 16.0 -65.8 75 45 356.9 356.9 298.1 356.9 0.00 55 149 14241 -65.3 -81.3 9 16.0 -65.4 75 45 358.3 358.3 298.4 358.3 0.00 56 103 16403 -81.5 -85.6 50 4.1 -81.5 85 21 367.1 367.1 300.1 367.2 0.00 57 100 16570 -79.5 -84.5 43 5.0 -79.5 75 18 374.1 374.1 301.3 374.1 0.00 58 95 16861 -79.9 -85.9 36 6.0 -79.9 54 19 378.9 378.9 302.1 378.9 0.00 59 92 17043 -79.5 -86.5 30 7.0 -79.5 41 20 383.2 383.2 302.8 383.2 0.00 60 90 17169 -75.7 -85.7 19 10.0 -75.7 32 20 393.1 393.1 304.2 393.1 0.00 61 79 17926 -74.3 -86.3 14 12.0 -74.3 339 23 411.0 411.0 306.6 411.0 0.00 62 72 18472 -69.7 -86.7 7 17.0 -69.8 301 24 431.8 431.8 309.0 431.8 0.00 63 70 18640 -70.5 -87.5 6 17.0 -70.6 290 25 433.6 433.6 309.2 433.6 0.00 64 52 20373 -76.1 -90.1 9 14.0 -76.2 149 19 459.0 459.0 311.7 459.0 0.00 65 50 20600 -73.9 -90.9 6 17.0 -74.0 130 18 469.3 469.3 312.6 469.4 0.00 66 45 21225 -66.9 -88.9 3 22.0 -67.2 125 27 500.7 500.7 315.0 500.7 0.00 67 31 23496 -62.7 -87.7 2 25.0 -63.3 107 59 568.4 568.4 319.1 568.4 0.01 68 30 23700 -59.1 -86.1 2 27.0 -60.1 105 62 583.5 583.5 319.8 583.6 0.01 69 29 23913 -58.9 -85.9 2 27.0 -60.0 104 61 589.8 589.8 320.2 589.8 0.01 70 26 24597 -59.5 -85.5 2 26.0 -60.6 100 59 606.8 606.8 320.9 606.8 0.01 71 22 25657 -53.9 -82.9 2 29.0 -56.2 94 56 653.1 653.1 322.8 653.3 0.02 72 20 26270 -53.1 -82.1 2 29.0 -55.7 90 54 673.6 673.6 323.6 673.8 0.02 73 13 29091 -49.3 -80.3 1 31.0 -54.2 180 26 775.1 775.1 326.6 775.6 0.05 74 11 30210 -41.7 -77.7 1 36.0 -50.6 215 15 840.7 840.7 328.2 841.5 0.09 75 10 30870 -34.1 -73.1 1 39.0 -47.7 235 9 892.3 892.4 329.3 894.4 0.19 76 9.6 31155 -35.1 -74.1 1 39.0 -48.3 899.0 899.1 329.4 900.9 0.17 77 8.3 32175 -32.9 -73.9 1 41.0 -48.3 945.8 945.9 330.3 948.2 0.21 TRP 103 16403 -81.5 -85.6 50 4.1 -81.5 85 21 367.1 367.1 300.1 367.2 0.00 WND 159 13847 -65.9 -72.7 38 6.8 -66.0 65 63 350.7 350.7 296.8 350.7 0.01 Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 560.00 mb = 4962.13 m = 16279.77 ft Wetbulb zero: 610.37 mb = 4265.68 m = 13994.83 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 74.47 % Est. max temperature: 30.58 C = 87.04 F Sfc-Lift cond lev (LCL): 926.08 mb = 766.82 m = 2515.79 ft T: 20.64 C 700-500 lapse rate: 5.63 C/km ThetaE index: 16.98 C Layer 754.0- 710.0 mb Conv cond level (CCL): 916.04 mb = 860.94 m = 2824.57 ft Mean mixing ratio: 16.36 g/kg Conv temperature: 28.41 C = 83.14 F Cap Strength: 0.42 C Lifted Index: -2.28 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.61 C Lifted Index @700 mb: -0.72 C Showalter Index: -0.85 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.20 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.20 Risk: None Energy Index: -1.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 504.05 J/kg Max Up Vert Vel: 31.75 m/s Conv Inhibition (B-): 2.58 J/kg Cap Strength: 1.19 C Lift Cond Lev (LCL): 929.70 mb = 732.81 m = 2404.21 ft Lev Free Conv (LFC): 894.70 mb = 1064.14 m = 3491.22 ft Equ Level (EL): 184.70 mb = 12921.73 m = 42393.63 ft B at Equ Level: 502.51 J/kg Max Parcel Lev (MPL): 124.70 mb = 15283.25 m = 50141.28 ft Wind level data Storm motion: 241 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1010 4 160 14 -4.8 13.2 | 132 15 -11.0 9.8 1 1000 92 160 14 -4.8 13.2 | 132 15 -11.0 9.8 2 925 777 185 12 1.0 12.0 | 149 10 -5.2 8.6 3 850 1506 50 1 -0.8 -0.6 | 60 8 -7.0 -4.0 4 700 3142 215 16 9.2 13.1 | 197 10 3.0 9.7 5 500 5860 300 4 3.5 -2.0 | 27 6 -2.7 -5.4 6 400 7580 175 8 -0.7 8.0 | 124 8 -6.9 4.6 7 300 9690 85 15 -14.9 -1.3 | 77 22 -21.1 -4.7 8 250 10950 80 23 -22.7 -4.0 | 76 30 -28.9 -7.4 9 200 12420 75 44 -42.5 -11.4 | 73 51 -48.7 -14.8 10 159 13847 65 63 -57.1 -26.6 | 65 70 -63.3 -30.0 11 150 14200 75 45 -43.5 -11.6 | 73 52 -49.7 -15.0 12 103 16403 85 21 -20.9 -1.8 | 79 28 -27.1 -5.2 13 100 16570 75 18 -17.4 -4.7 | 71 25 -23.6 -8.0 14 70 18640 290 25 23.5 -8.6 | 305 21 17.3 -11.9 15 50 20600 130 18 -13.8 11.6 | 112 22 -20.0 8.2 16 30 23700 105 62 -59.9 16.0 | 101 67 -66.1 12.7 17 20 26270 90 54 -54.0 0.0 | 87 60 -60.2 -3.4 18 10 30870 235 9 7.4 5.2 | 213 2 1.2 1.8 Wind Parameters Mean winds (0-6000m): 211.4 at 9.4 knts Storm direction: 241.4 at 7.1 knts Shear (0-3000m) pos: 2.9 neg: 2.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 43.4 deg Storm rel helicity (0-3000m) pos: 83.3 neg: -49.9 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 1.7 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 41.06 Bulk Shear: 12.28 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 166 14 136 14| 3.8 0.0 3.8| 8.5 0.0 8.5 17.0 0.65| 3.8 2.5 1000 170 12 136 12| 1.9 3.7 5.6| 11.4 -22.3 -10.9 -10.9 -0.33| 6.9 -2.2 1500 173 10 131 10| 1.3 4.6 5.9| 11.4 -49.9 -38.5 -25.7 -0.56| 8.4 -4.7 2000 168 8 120 9| 0.4 3.4 3.9| 21.2 -49.9 -28.8 -14.4 -0.34| 7.7 -2.6 2500 166 8 119 9| 1.9 2.8 4.6| 48.3 -49.9 -1.7 -0.7 -0.05| 7.9 -0.4 3000 185 9 135 8| 2.9 2.3 5.2| 83.3 -49.9 33.4 11.1 0.19| 8.6 1.7 4000 203 10 160 6| 2.1 1.7 3.8|105.1 -49.9 55.1 13.8 0.32| 7.9 2.5 5000 211 10 169 5| 1.3 1.4 2.6|112.3 -49.9 62.3 12.5 0.38| 7.1 2.7 6000 211 9 164 5| 0.7 1.1 1.9|117.8 -50.3 67.5 11.3 0.41| 6.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20251017.11.gif