UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SKSP... Searching the city database file for: SKSP ... Date:1200Z 21 APR 25 Station: SKSP WMO ident: 80001 Latitude: 12.58 Longitude: -81.72 Elevation: 2.00 ------------------------------------------------------------------------------- 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 1012 2 25.6 24.9 96 0.7 25.1 60 14 297.7 301.4 297.8 355.8 19.96 1 1006 55 25.2 23.8 92 1.4 24.2 55 14 297.8 301.2 297.1 352.4 18.76 2 1000 109 24.8 24.8 100 0.0 24.8 50 14 298.0 301.6 298.0 356.4 20.08 3 976 322 23.4 23.4 100 0.0 23.4 65 16 298.6 302.1 297.4 353.6 18.88 4 969 386 23.6 23.6 100 0.0 23.6 66 18 299.4 302.9 297.8 355.8 19.26 5 934 707 21.2 21.2 100 0.0 21.2 73 26 300.2 303.3 296.8 350.6 17.21 6 925 791 20.6 19.5 93 1.1 19.8 75 27 300.4 303.2 295.8 346.1 15.61 7 850 1519 16.0 16.0 100 0.0 16.0 95 24 302.9 305.4 295.1 343.1 13.58 8 834 1681 14.8 13.3 91 1.5 13.8 95 25 303.3 305.4 293.7 337.7 11.59 9 827 1752 14.4 14.2 99 0.2 14.3 95 25 303.6 305.9 294.4 340.5 12.41 10 823 1793 14.4 14.4 100 0.0 14.4 95 25 304.0 306.4 294.7 341.6 12.63 11 813 1897 14.2 13.2 94 1.0 13.6 94 24 304.9 307.1 294.4 340.2 11.82 12 799 2044 13.4 13.4 100 0.0 13.4 92 23 305.5 307.8 294.8 342.0 12.19 13 793 2108 13.6 9.2 75 4.4 10.9 90 22 306.4 308.1 292.9 334.3 9.25 14 777 2280 12.8 12.6 99 0.2 12.7 92 22 307.3 309.6 295.1 343.2 11.89 15 769 2367 12.6 12.5 99 0.1 12.6 94 22 308.0 310.3 295.3 344.2 11.93 16 765 2411 12.6 10.7 88 1.9 11.4 94 22 308.5 310.5 294.5 340.8 10.63 17 758 2488 11.8 11.0 95 0.8 11.3 94 21 308.4 310.5 294.7 341.7 10.95 18 749 2588 11.2 10.9 98 0.3 11.0 90 17 308.9 310.9 294.8 342.3 11.01 19 748 2599 11.0 10.4 96 0.6 10.6 90 17 308.8 310.8 294.6 341.1 10.65 20 744 2644 11.2 9.4 89 1.8 10.0 88 15 309.4 311.3 294.3 340.0 10.01 21 722 2895 10.0 10.0 100 0.0 10.0 90 10 310.8 312.8 295.2 343.7 10.75 22 700 3153 9.0 9.0 100 0.0 9.0 80 7 312.5 314.4 295.4 344.4 10.36 23 680 3393 7.8 7.8 100 0.0 7.8 59 12 313.7 315.6 295.3 344.2 9.82 24 589 4569 2.0 2.0 100 0.0 2.0 46 11 320.1 321.6 295.3 344.2 7.53 25 550 5116 -4.7 -18.7 33 14.0 -9.4 59 5 318.5 318.8 289.9 323.9 1.59 26 533 5365 -3.3 -29.3 11 26.0 -10.2 21 6 323.1 323.2 290.4 325.3 0.63 27 500 5870 -5.5 -33.5 9 28.0 -12.2 310 15 326.3 326.4 291.2 328.0 0.45 28 489 6044 -6.5 -35.5 8 29.0 -13.0 302 16 327.2 327.3 291.3 328.6 0.38 29 480 6189 -5.9 -44.9 3 39.0 -13.2 302 16 329.7 329.7 291.8 330.2 0.15 30 479 6206 -5.9 -44.9 3 39.0 -13.2 303 16 329.9 329.9 291.8 330.4 0.15 31 408 7441 -15.1 -37.1 13 22.0 -19.4 323 12 333.5 333.5 293.0 334.9 0.39 32 400 7590 -16.1 -39.1 12 23.0 -20.3 315 12 334.1 334.1 293.2 335.3 0.32 33 396 7666 -16.5 -45.5 6 29.0 -20.9 314 11 334.5 334.5 293.1 335.2 0.17 34 380 7975 -18.3 -42.3 10 24.0 -22.1 315 14 336.1 336.1 293.6 337.1 0.24 35 376 8054 -18.7 -44.7 8 26.0 -22.6 326 17 336.6 336.6 293.7 337.3 0.19 36 348 8627 -22.1 -47.1 8 25.0 -25.4 335 26 339.5 339.6 294.4 340.2 0.16 37 319 9260 -27.5 -48.5 12 21.0 -29.8 315 28 340.6 340.6 294.6 341.2 0.15 38 316 9328 -28.1 -49.1 12 21.0 -30.3 315 27 340.7 340.7 294.6 341.2 0.14 39 311 9442 -28.7 -52.7 8 24.0 -30.9 315 25 341.4 341.4 294.7 341.8 0.09 40 307 9535 -28.7 -58.7 4 30.0 -31.0 315 24 342.7 342.7 295.0 342.9 0.05 41 300 9700 -29.3 -58.3 4 29.0 -31.6 315 22 344.1 344.1 295.3 344.3 0.05 42 281 10162 -33.3 -58.3 6 25.0 -35.0 317 23 344.8 344.8 295.5 345.1 0.05 43 278 10237 -33.9 -60.9 5 27.0 -35.5 318 24 345.0 345.0 295.6 345.2 0.04 44 250 10970 -40.1 -59.1 11 19.0 -41.1 335 42 346.4 346.5 295.9 346.7 0.05 45 248 11025 -40.7 -59.7 11 19.0 -41.6 334 41 346.4 346.4 295.8 346.6 0.05 46 243 11163 -41.5 -62.5 8 21.0 -42.4 331 39 347.2 347.2 296.0 347.3 0.04 47 212 12071 -48.9 -63.9 16 15.0 -49.3 313 25 349.5 349.5 296.5 349.6 0.03 48 209 12164 -49.5 -64.5 16 15.0 -49.9 311 24 350.0 350.0 296.7 350.1 0.03 49 200 12450 -52.3 -65.3 19 13.0 -52.6 275 21 349.9 350.0 296.7 350.1 0.03 50 177 13230 -59.3 -62.5 66 3.2 -59.4 263 27 350.9 350.9 296.9 351.1 0.05 51 164 13705 -63.1 -68.1 51 5.0 -63.1 255 33 352.3 352.3 297.1 352.4 0.02 52 154 14090 -66.3 -69.9 60 3.6 -66.3 251 39 353.2 353.2 297.3 353.3 0.02 53 150 14250 -67.3 -73.3 42 6.0 -67.4 255 43 354.2 354.2 297.5 354.2 0.01 54 137 14789 -71.3 -75.0 58 3.7 -71.3 271 42 356.4 356.4 298.0 356.4 0.01 55 114 15856 -76.9 -83.9 32 7.0 -76.9 321 21 365.2 365.2 299.7 365.2 0.00 56 111 16009 -77.3 -83.3 38 6.0 -77.3 330 15 367.2 367.3 300.1 367.3 0.00 57 100 16600 -80.9 -86.9 36 6.0 -80.9 190 9 371.4 371.4 300.8 371.4 0.00 58 95 16887 -82.7 -87.7 42 5.0 -82.7 185 15 373.4 373.4 301.2 373.4 0.00 59 94 16946 -82.7 -87.7 42 5.0 -82.7 185 14 374.5 374.5 301.4 374.5 0.00 60 91 17127 -82.9 -87.9 42 5.0 -82.9 177 12 377.6 377.6 301.9 377.6 0.00 61 82 17713 -79.1 -86.1 31 7.0 -79.1 147 21 396.8 396.8 304.8 396.8 0.00 62 76 18143 -80.7 -87.7 30 7.0 -80.7 228 14 402.2 402.2 305.5 402.2 0.00 63 70 18610 -77.7 -90.7 11 13.0 -77.7 235 2 418.2 418.2 307.5 418.2 0.00 64 68 18776 -77.1 -95.1 4 18.0 -77.1 238 2 422.9 422.9 308.0 422.9 0.00 65 50 20580 -67.7 -92.7 2 25.0 -67.9 360 19 484.0 484.0 313.8 484.0 0.00 66 47 20954 -66.3 -92.3 1 26.0 -66.6 17 16 495.9 495.9 314.7 496.0 0.00 67 44 21353 -66.3 -92.3 1 26.0 -66.6 9 15 505.4 505.4 315.3 505.4 0.00 68 39 22092 -61.7 -87.7 2 26.0 -62.3 241 12 534.8 534.8 317.2 534.8 0.00 69 37 22419 -60.3 -88.3 1 28.0 -61.0 299 10 546.5 546.5 317.9 546.5 0.00 70 37 22419 -60.5 -88.5 1 28.0 -61.2 299 10 546.0 546.0 317.9 546.0 0.00 71 34 22944 -62.1 -88.1 2 26.0 -62.7 24 8 555.1 555.1 318.4 555.1 0.00 72 33 23128 -62.3 -89.3 2 27.0 -62.9 42 13 559.3 559.3 318.6 559.4 0.00 73 30 23720 -60.1 -88.1 1 28.0 -61.0 70 14 580.8 580.8 319.7 580.8 0.01 74 30 23720 -59.9 -87.9 1 28.0 -60.8 70 14 581.3 581.3 319.8 581.4 0.01 75 28 24151 -59.9 -86.9 2 27.0 -60.9 59 12 592.9 592.9 320.3 593.0 0.01 76 26 24617 -57.9 -85.9 2 28.0 -59.2 179 5 611.3 611.3 321.1 611.4 0.01 77 26 24617 -58.1 -86.1 2 28.0 -59.4 179 5 610.7 610.7 321.1 610.8 0.01 78 25 24864 -58.1 -85.1 2 27.0 -59.4 174 3 617.6 617.6 321.4 617.7 0.01 79 24 25121 -58.1 -85.1 2 27.0 -59.5 181 3 624.9 624.9 321.7 625.0 0.01 80 24 25121 -57.9 -85.9 2 28.0 -59.3 181 3 625.5 625.5 321.7 625.5 0.01 81 22 25678 -51.7 -78.7 3 27.0 -54.5 67 13 659.7 659.7 323.0 660.0 0.04 82 21 25981 -49.5 -77.5 2 28.0 -52.9 90 27 675.2 675.2 323.6 675.6 0.05 83 20 26300 -51.3 -82.3 1 31.0 -54.4 100 31 679.1 679.2 323.7 679.3 0.02 84 19 26633 -51.3 -82.3 1 31.0 -54.5 91 30 689.2 689.2 324.1 689.4 0.02 85 17 27359 -49.5 -80.5 1 31.0 -53.5 100 32 717.2 717.2 325.0 717.5 0.04 86 17 27359 -50.3 -72.3 6 22.0 -53.9 100 32 714.7 714.7 324.9 715.8 0.13 TRP 95 16887 -82.7 -87.7 42 5.0 -82.7 185 15 373.4 373.4 301.2 373.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 577.36 mb = 4732.18 m = 15525.35 ft Wetbulb zero: 582.11 mb = 4662.69 m = 15297.37 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 83.19 % Est. max temperature: 30.37 C = 86.67 F Sfc-Lift cond lev (LCL): 1002.24 mb = 88.92 m = 291.71 ft T: 24.95 C 700-500 lapse rate: 5.34 C/km ThetaE index: 18.06 C Layer 934.0- 827.0 mb Conv cond level (CCL): 951.09 mb = 548.51 m = 1799.55 ft Mean mixing ratio: 18.17 g/kg Conv temperature: 27.68 C = 81.82 F Cap Strength: 0.33 C Lifted Index: -3.41 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.25 C Lifted Index @700 mb: -2.27 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 21.50 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 255.00 Risk: None Energy Index: -2.88 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1284.68 J/kg Max Up Vert Vel: 50.69 m/s Conv Inhibition (B-): 1.26 J/kg Cap Strength: 0.33 C Lift Cond Lev (LCL): 958.39 mb = 481.72 m = 1580.43 ft Lev Free Conv (LFC): 943.39 mb = 619.50 m = 2032.45 ft Equ Level (EL): 153.39 mb = 14114.53 m = 46306.94 ft B at Equ Level: 1271.22 J/kg Max Parcel Lev (MPL): 83.39 mb = 17618.40 m = 57802.45 ft Wind level data Storm motion: 98 at 12 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 1012 2 60 14 -12.1 -7.0 | 3 9 -0.5 -8.7 1 1000 109 50 14 -10.7 -9.0 | 355 11 0.9 -10.7 2 978 305 65 16 -14.5 -6.8 | 19 9 -2.9 -8.5 3 944 610 70 24 -22.6 -8.2 | 48 15 -11.0 -9.9 4 925 791 75 27 -26.1 -7.0 | 59 17 -14.5 -8.7 5 912 914 80 26 -25.6 -4.5 | 66 15 -14.0 -6.2 6 880 1219 90 24 -24.0 0.0 | 82 13 -12.4 -1.7 7 850 1519 95 24 -23.9 2.1 | 92 12 -12.3 0.4 8 819 1829 95 25 -24.9 2.2 | 92 13 -13.3 0.5 9 790 2134 90 22 -22.0 0.0 | 81 11 -10.4 -1.7 10 762 2438 95 22 -21.9 1.9 | 91 10 -10.3 0.2 11 735 2743 85 12 -12.0 -1.0 | 7 3 -0.4 -2.8 12 709 3048 95 8 -8.0 0.7 | 286 4 3.6 -1.0 13 700 3153 80 7 -6.9 -1.2 | 302 6 4.7 -2.9 14 658 3658 35 18 -10.3 -14.7 | 356 17 1.3 -16.5 15 610 4267 25 12 -5.1 -10.9 | 333 14 6.5 -12.6 16 565 4877 70 9 -8.5 -3.1 | 327 6 3.1 -4.8 17 544 5182 55 3 -2.5 -1.7 | 291 10 9.1 -3.4 18 524 5486 355 8 0.7 -8.0 | 308 16 12.3 -9.7 19 505 5791 330 9 4.5 -7.8 | 301 19 16.1 -9.5 20 500 5870 310 15 11.5 -9.6 | 296 26 23.1 -11.4 21 486 6096 300 16 13.9 -8.0 | 291 27 25.5 -9.7 22 415 7315 330 12 6.0 -10.4 | 305 21 17.6 -12.1 23 400 7590 315 12 8.5 -8.5 | 297 23 20.1 -10.2 24 398 7620 315 11 7.8 -7.8 | 296 22 19.4 -9.5 25 382 7925 310 13 10.0 -8.4 | 295 24 21.6 -10.1 26 367 8230 350 24 4.2 -23.6 | 328 30 15.8 -25.3 27 324 9144 315 29 20.5 -20.5 | 305 39 32.1 -22.2 28 300 9700 315 22 15.6 -15.6 | 302 32 27.2 -17.3 29 285 10058 315 21 14.8 -14.8 | 302 31 26.4 -16.6 30 261 10668 325 33 18.9 -27.0 | 313 42 30.5 -28.7 31 250 10970 335 42 17.7 -38.1 | 324 49 29.3 -39.8 32 250 10973 335 42 17.7 -38.1 | 324 49 29.3 -39.8 33 208 12192 310 23 17.6 -14.8 | 299 34 29.2 -16.5 34 200 12450 275 21 20.9 -1.8 | 276 33 32.5 -3.5 35 189 12802 270 22 22.0 -0.0 | 273 34 33.6 -1.7 36 156 14021 250 37 34.8 12.7 | 257 48 46.4 10.9 37 150 14250 255 43 41.5 11.1 | 260 54 53.1 9.4 38 126 15240 285 41 39.6 -10.6 | 284 53 51.2 -12.3 39 108 16154 340 10 3.4 -9.4 | 306 19 15.0 -11.1 40 102 16459 240 4 3.5 2.0 | 269 15 15.1 0.3 41 100 16600 190 9 1.6 8.9 | 241 15 13.2 7.1 42 95 16887 185 15 1.3 14.9 | 224 18 12.9 13.2 43 92 17069 185 12 1.0 12.0 | 231 16 12.6 10.2 44 87 17374 145 13 -7.5 10.6 | 205 10 4.1 8.9 45 83 17678 140 22 -14.1 16.9 | 170 15 -2.5 15.1 46 74 18288 255 12 11.6 3.1 | 267 23 23.2 1.4 47 70 18593 30 7 -3.5 -6.1 | 314 11 8.1 -7.8 48 70 18610 235 2 1.6 1.1 | 272 13 13.2 -0.6 49 67 18898 240 2 1.7 1.0 | 273 13 13.3 -0.7 50 63 19202 280 9 8.9 -1.6 | 279 21 20.5 -3.3 51 60 19507 160 3 -1.0 2.8 | 264 11 10.6 1.1 52 57 19812 215 11 6.3 9.0 | 248 19 17.9 7.3 53 54 20117 260 17 16.7 3.0 | 267 28 28.3 1.2 54 51 20422 285 13 12.6 -3.4 | 282 25 24.2 -5.1 55 50 20580 360 19 -0.0 -19.0 | 331 24 11.6 -20.7 56 46 21031 20 16 -5.5 -15.0 | 340 18 6.1 -16.7 57 44 21336 15 15 -3.9 -14.5 | 335 18 7.7 -16.2 58 40 21946 260 7 6.9 1.2 | 272 18 18.5 -0.5 59 38 22250 225 17 12.0 12.0 | 246 26 23.6 10.3 60 36 22555 350 6 1.0 -5.9 | 301 15 12.6 -7.6 61 35 22860 15 6 -1.6 -5.8 | 307 13 10.0 -7.5 62 33 23165 45 14 -9.9 -9.9 | 352 12 1.7 -11.6 63 31 23470 45 6 -4.2 -4.2 | 309 9 7.4 -6.0 64 30 23720 70 14 -13.2 -4.8 | 13 7 -1.6 -6.5 65 30 23774 45 7 -4.9 -4.9 | 315 9 6.6 -6.7 66 28 24079 55 14 -11.5 -8.0 | 359 10 0.1 -9.7 67 27 24384 70 7 -6.6 -2.4 | 309 6 5.0 -4.1 68 26 24689 205 5 2.1 4.5 | 258 14 13.7 2.8 69 25 24994 155 2 -0.8 1.8 | 269 11 10.8 0.1 70 23 25298 210 5 2.5 4.3 | 259 14 14.1 2.6 71 22 25603 55 8 -6.6 -4.6 | 321 8 5.0 -6.3 72 21 25908 95 24 -23.9 2.1 | 92 12 -12.3 0.4 73 20 26213 75 34 -32.8 -8.8 | 64 24 -21.2 -10.5 74 20 26300 100 31 -30.5 5.4 | 101 19 -18.9 3.7 75 19 26518 90 30 -30.0 0.0 | 85 18 -18.4 -1.7 76 17 26822 105 32 -30.9 8.3 | 109 20 -19.3 6.6 77 16 27127 85 31 -30.9 -2.7 | 77 20 -19.3 -4.4 78 15 27432 90 42 -42.0 0.0 | 87 30 -30.4 -1.7 Wind Parameters Mean winds (0-6000m): 68.4 at 15.6 knts Storm direction: 98.4 at 11.7 knts Shear (0-3000m) pos: 1.6 neg: 0.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -71.9 deg Storm rel helicity (0-3000m) pos: 73.9 neg: -20.4 tot: 53.5 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 1.5 10^-3/s Energy-Hel index: 0.56 Bulk Rich Number: 2409.92 Bulk Shear: 0.53 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 61 16 16 10| 7.8 0.0 7.8| 21.0 -3.3 17.7 35.5 0.56| 12.2 6.8 1000 70 21 41 12| 7.0 0.0 7.0| 53.1 -3.3 49.8 49.8 0.65| 11.4 7.5 1500 77 22 56 12| 5.1 0.0 5.1| 69.4 -3.3 66.1 44.1 0.70| 9.5 6.6 2000 82 23 66 12| 3.8 0.3 4.1| 69.9 -7.6 62.3 31.2 0.59| 7.9 4.7 2500 84 22 70 11| 2.5 0.3 2.8| 73.9 -11.8 62.1 24.9 0.51| 7.3 3.7 3000 85 21 68 10| 1.6 0.2 1.8| 73.9 -20.4 53.5 17.8 0.19| 8.2 1.5 4000 78 19 51 9| 1.2 1.9 3.0| 85.0 -36.2 48.7 12.2 0.18| 8.7 1.5 5000 73 17 36 8| 1.9 1.5 3.4| 87.0 -51.4 35.6 7.1 0.08| 8.3 0.7 6000 68 16 21 8| 1.6 2.5 4.1| 95.4 -87.0 8.5 1.4 0.02| 8.9 0.2 Wrote GIF file: /home/apache/climate/data/raob//SKSP/skewt/SKSP.skewt.20250421.12.gif