UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 17 APR 25 Station: GC018 WMO ident: 60018 Latitude: 28.32 Longitude: -16.38 ------------------------------------------------------------------------------- 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 1006 122 21.6 12.6 57 9.0 16.0 65 11 294.2 295.9 288.9 320.5 9.14 1 1000 173 19.2 13.2 68 6.0 15.4 60 16 292.4 294.1 288.6 319.6 9.57 2 997 199 17.8 12.8 73 5.0 14.7 58 16 291.2 292.9 288.0 317.7 9.35 3 952 592 15.0 10.6 75 4.4 12.4 22 15 292.2 293.7 287.5 316.4 8.45 4 944 664 16.6 7.6 55 9.0 11.4 16 15 294.6 295.8 287.0 314.7 6.95 5 925 837 14.8 6.8 59 8.0 10.3 360 14 294.4 295.6 286.7 313.9 6.71 6 908 993 13.4 7.4 67 6.0 10.0 1 14 294.6 295.8 287.2 315.2 7.13 7 899 1077 14.2 4.2 51 10.0 8.8 2 15 296.2 297.3 286.4 313.1 5.75 8 850 1548 12.0 -2.0 38 14.0 5.2 5 16 298.7 299.4 285.5 310.4 3.88 9 824 1807 11.0 -9.0 24 20.0 2.6 353 14 300.3 300.8 284.4 307.6 2.34 10 809 1960 11.4 -22.6 7 34.0 0.5 346 13 302.3 302.5 283.4 304.9 0.77 11 806 1991 11.6 -12.4 17 24.0 2.0 344 13 302.9 303.2 284.8 308.6 1.83 12 757 2514 11.0 -29.0 4 40.0 -0.6 320 9 307.7 307.8 285.1 309.3 0.46 13 700 3160 5.8 -29.2 6 35.0 -3.8 290 4 308.9 309.0 285.5 310.6 0.49 14 681 3384 4.0 -29.0 7 33.0 -5.0 286 5 309.3 309.4 285.7 311.1 0.51 15 649 3774 3.0 -33.0 5 36.0 -6.0 278 7 312.5 312.6 286.6 313.8 0.37 16 556 5001 -6.9 -18.9 38 12.0 -10.7 252 13 314.9 315.2 288.8 320.1 1.54 17 540 5228 -8.1 -42.1 5 34.0 -14.0 248 14 316.1 316.2 287.7 316.8 0.17 18 520 5520 -10.5 -22.5 37 12.0 -13.9 241 15 316.7 316.9 289.0 320.8 1.21 19 500 5820 -12.7 -31.7 19 19.0 -16.7 235 17 317.6 317.7 288.6 319.5 0.54 20 454 6549 -19.3 -45.3 8 26.0 -22.5 224 20 318.2 318.2 288.3 318.7 0.15 21 444 6715 -20.7 -37.7 20 17.0 -23.2 222 21 318.4 318.5 288.6 319.7 0.34 22 440 6782 -21.3 -27.3 58 6.0 -22.5 221 21 318.5 318.7 289.3 321.7 0.93 23 427 7003 -23.3 -27.8 67 4.5 -24.2 217 22 318.7 318.9 289.3 321.9 0.91 24 423 7072 -23.7 -29.7 58 6.0 -24.8 216 22 319.0 319.2 289.3 321.7 0.77 25 406 7372 -25.5 -25.8 97 0.3 -25.6 212 24 320.5 320.7 290.1 324.5 1.15 26 400 7480 -26.3 -26.7 96 0.4 -26.4 210 24 320.8 321.0 290.1 324.5 1.08 27 368 8074 -31.3 -33.2 83 1.9 -31.6 220 32 321.9 322.0 290.0 324.2 0.63 28 364 8152 -30.7 -40.7 37 10.0 -31.8 221 33 323.7 323.8 290.2 324.8 0.30 29 359 8250 -30.3 -50.3 12 20.0 -31.9 223 34 325.5 325.5 290.6 325.9 0.11 30 347 8490 -30.7 -54.7 8 24.0 -32.4 227 37 328.2 328.2 291.3 328.4 0.07 31 343 8573 -28.9 -49.9 11 21.0 -30.8 229 38 331.7 331.7 292.3 332.2 0.12 32 300 9510 -37.9 -50.9 24 13.0 -38.8 245 50 332.0 332.0 292.4 332.4 0.12 33 285 9862 -41.3 -51.3 33 10.0 -41.9 249 50 332.0 332.0 292.4 332.5 0.12 34 274 10129 -41.9 -63.9 7 22.0 -42.7 252 50 334.9 334.9 293.0 335.0 0.03 35 250 10750 -43.3 -72.3 3 29.0 -44.1 260 50 341.7 341.7 294.7 341.7 0.01 36 234 11193 -43.9 -74.9 2 31.0 -44.7 259 53 347.3 347.3 296.0 347.3 0.01 37 200 12230 -49.5 -78.5 2 29.0 -50.0 255 59 354.4 354.4 297.5 354.4 0.00 38 163 13547 -56.9 -82.3 3 25.4 -57.2 250 66 363.3 363.3 299.4 363.3 0.00 39 150 14070 -59.9 -83.9 3 24.0 -60.1 245 52 366.9 366.9 300.0 366.9 0.00 40 146 14239 -61.1 -84.1 3 23.0 -61.3 245 51 367.6 367.6 300.1 367.7 0.00 41 100 16530 -72.3 -88.3 7 16.0 -72.3 250 35 388.0 388.0 303.5 388.0 0.00 42 86 17411 -74.9 -88.9 10 14.0 -74.9 265 27 399.9 399.9 305.2 399.9 0.00 43 70 18620 -70.5 -90.5 4 20.0 -70.6 325 13 433.6 433.6 309.2 433.6 0.00 44 50 20640 -64.9 -89.9 2 25.0 -65.2 345 9 490.5 490.5 314.2 490.6 0.00 45 42 21714 -61.7 -89.7 1 28.0 -62.3 31 12 523.6 523.6 316.5 523.6 0.00 46 38 22334 -62.3 -89.3 2 27.0 -62.9 58 14 537.2 537.2 317.3 537.2 0.00 47 30 23820 -55.5 -86.5 1 31.0 -57.0 120 18 593.3 593.3 320.3 593.4 0.01 48 24 25260 -49.9 -83.9 1 34.0 -52.9 90 9 648.7 648.7 322.6 648.8 0.01 49 20 26450 -50.7 -84.7 1 34.0 -54.0 65 1 681.0 681.0 323.8 681.1 0.02 50 18 27136 -51.5 -84.5 1 33.0 -54.8 46 5 699.3 699.3 324.4 699.4 0.02 51 15 28326 -49.3 -84.3 1 35.0 -53.8 13 11 744.0 744.0 325.8 744.2 0.02 52 13 29280 -41.9 -81.9 1 40.0 -50.0 347 17 800.7 800.8 327.3 801.1 0.04 53 12 29823 -41.1 -81.1 1 40.0 -50.0 333 19 822.1 822.1 327.8 822.6 0.05 54 10 31060 -42.1 -82.1 0 40.0 -51.2 300 26 862.4 862.4 328.7 862.9 0.05 55 8.9 31851 -40.9 -81.9 0 41.0 -51.2 896.3 896.3 329.4 896.8 0.05 TRP 86 17411 -74.9 -88.9 10 14.0 -74.9 265 27 399.9 399.9 305.2 399.9 0.00 WND 163 13547 -56.9 -82.3 3 25.4 -57.2 250 66 363.3 363.3 299.4 363.3 0.00 Sounding variables and indices 1000-500 mb thick: 5647.00 m Freezing level: 620.82 mb = 4145.61 m = 13600.91 ft Wetbulb zero: 768.48 mb = 2388.60 m = 7836.50 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 26.53 % Est. max temperature: 25.77 C = 78.38 F Sfc-Lift cond lev (LCL): 880.68 mb = 1250.13 m = 4101.44 ft T: 13.39 C 700-500 lapse rate: 6.95 C/km ThetaE index: 10.33 C Layer 899.0- 806.0 mb Conv cond level (CCL): 694.14 mb = 3228.45 m = 10591.88 ft Mean mixing ratio: 8.05 g/kg Conv temperature: 36.42 C = 97.56 F Cap Strength: 8.64 C Lifted Index: 5.91 C Risk: None Lifted Index @300 mb: 11.59 C Lifted Index @700 mb: 7.07 C Showalter Index: 9.37 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 10.70 C K Index: -12.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.70 J/kg Max Up Vert Vel: 6.12 m/s Conv Inhibition (B-): 58311.22 J/kg Cap Strength: 8.49 C Lift Cond Lev (LCL): 871.32 mb = 1339.96 m = 4396.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 9 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 1006 122 65 11 -10.0 -4.6 | 103 14 -13.9 3.2 1 1000 173 60 16 -13.9 -8.0 | 90 18 -17.8 -0.1 2 925 837 360 14 -0.0 -14.0 | 33 7 -3.9 -6.1 3 850 1548 5 16 -1.4 -15.9 | 33 10 -5.3 -8.0 4 700 3160 290 4 3.8 -1.4 | 179 7 -0.1 6.5 5 500 5820 235 17 13.9 9.8 | 210 20 10.0 17.6 6 400 7480 210 24 12.0 20.8 | 196 30 8.1 28.7 7 300 9510 245 50 45.3 21.1 | 235 51 41.4 29.0 8 250 10750 260 50 49.2 8.7 | 250 48 45.3 16.6 9 200 12230 255 59 57.0 15.3 | 246 58 53.1 23.2 10 163 13547 250 66 62.0 22.6 | 242 66 58.1 30.5 11 150 14070 245 52 47.1 22.0 | 235 53 43.2 29.9 12 100 16530 250 35 32.9 12.0 | 236 35 29.0 19.9 13 86 17411 265 27 26.9 2.4 | 246 25 23.0 10.2 14 70 18620 325 13 7.5 -10.6 | 308 4 3.6 -2.8 15 50 20640 345 9 2.3 -8.7 | 63 2 -1.6 -0.8 16 30 23820 120 18 -15.6 9.0 | 131 26 -19.5 16.9 17 20 26450 65 1 -0.9 -0.4 | 147 9 -4.8 7.5 18 10 31060 300 26 22.5 -13.0 | 285 19 18.6 -5.1 Wind Parameters Mean winds (0-6000m): 303.7 at 11.7 knts Storm direction: 333.7 at 8.8 knts Shear (0-3000m) pos: 0.0 neg: 2.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -65.9 tot: -65.6 m^2/s^2 ave: -21.9 10^-3 m/s^2 rel: -0.68 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 55.94 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 43 15 77 15| 0.0 10.8 10.8| 0.0 -45.0 -45.0 -90.1 -0.79| 15.5-12.2 1000 24 15 61 11| 0.0 7.1 7.1| 0.0 -53.4 -53.4 -53.4 -0.75| 10.6 -7.9 1500 16 15 52 10| 0.0 4.9 4.9| 0.3 -54.8 -54.5 -36.3 -0.69| 7.9 -5.4 2000 11 15 46 9| 0.0 4.0 4.0| 0.3 -60.1 -59.8 -29.9 -0.66| 7.6 -5.0 2500 7 14 44 8| 0.0 3.2 3.2| 0.3 -62.5 -62.2 -24.9 -0.68| 7.2 -4.9 3000 6 12 50 7| 0.0 2.4 2.4| 0.3 -65.9 -65.6 -21.9 -0.68| 6.8 -4.6 4000 357 11 47 4| 0.0 2.5 2.5| 7.7 -65.9 -58.2 -14.5 -0.51| 5.8 -3.0 5000 336 11 347 2| 0.0 2.5 2.5| 9.9 -66.8 -56.9 -11.4 -0.44| 5.3 -2.3 6000 304 12 257 6| 0.0 2.5 2.5| 9.9 -79.0 -69.1 -11.5 -0.43| 5.0 -2.1 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20250417.12.gif