UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for SKSP... Searching the city database file for: SKSP ... Date:1200Z 25 DEC 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 1013 2 27.0 23.2 80 3.8 24.2 60 10 299.0 302.3 297.0 351.4 17.95 1 1009 39 27.4 23.0 77 4.4 24.2 57 12 299.8 303.0 297.0 351.9 17.80 2 1001 113 26.6 22.1 76 4.5 23.3 51 16 299.7 302.8 296.5 349.3 16.96 3 1000 122 26.6 22.2 77 4.4 23.4 50 17 299.8 302.9 296.5 349.7 17.09 4 933 731 20.8 20.8 100 0.0 20.8 60 18 299.8 302.9 296.4 349.0 16.80 5 925 806 20.0 19.8 99 0.2 19.9 60 19 299.8 302.7 295.8 346.3 15.91 6 919 862 19.8 19.4 98 0.4 19.5 65 20 300.1 303.0 295.7 345.8 15.61 7 850 1533 16.6 12.5 77 4.1 14.0 55 26 303.5 305.5 293.2 335.6 10.78 8 800 2048 14.4 0.4 38 14.0 7.0 67 24 306.5 307.4 289.2 321.6 4.92 9 759 2490 11.4 7.1 75 4.3 8.8 74 24 307.9 309.5 292.6 333.4 8.37 10 743 2668 10.4 5.4 71 5.0 7.5 71 23 308.7 310.1 292.2 331.9 7.59 11 730 2815 11.0 -5.0 32 16.0 3.2 68 22 310.9 311.6 289.5 322.3 3.61 12 726 2861 10.8 -8.2 25 19.0 2.2 66 22 311.2 311.7 288.8 320.3 2.84 13 700 3165 9.6 -5.4 34 15.0 2.4 55 22 313.1 313.8 290.2 324.8 3.65 14 658 3676 6.8 -5.2 42 12.0 1.0 50 16 315.5 316.3 291.2 328.2 3.95 15 647 3814 6.0 -11.0 28 17.0 -1.3 49 14 316.2 316.7 290.1 324.5 2.55 16 639 3916 5.4 -6.6 42 12.0 -0.3 48 13 316.6 317.3 291.3 328.4 3.65 17 635 3967 5.4 -14.6 22 20.0 -2.5 48 13 317.2 317.6 289.9 323.6 1.94 18 609 4307 2.6 -5.4 56 8.0 -1.3 45 9 317.8 318.6 292.1 331.3 4.20 19 602 4400 2.6 -10.4 38 13.0 -3.0 44 9 318.8 319.4 291.2 328.3 2.88 20 576 4756 1.0 -19.0 21 20.0 -6.1 41 10 321.0 321.3 290.6 326.1 1.48 21 569 4854 0.4 -15.6 29 16.0 -5.7 40 10 321.4 321.8 291.2 328.2 1.99 22 541 5258 -1.7 -22.7 18 21.0 -8.5 22 9 323.6 323.8 291.0 327.6 1.14 23 524 5511 -3.5 -17.5 33 14.0 -8.6 7 8 324.4 324.8 291.9 330.7 1.85 24 507 5771 -5.1 -25.1 19 20.0 -11.0 324 9 325.5 325.7 291.5 329.0 0.98 25 500 5880 -5.9 -24.9 21 19.0 -11.5 315 11 325.8 326.0 291.6 329.4 1.01 26 493 5990 -6.9 -19.9 35 13.0 -11.2 320 13 325.9 326.3 292.1 331.5 1.60 27 490 6038 -7.3 -22.3 29 15.0 -12.0 322 13 326.0 326.3 291.9 330.6 1.30 28 442 6834 -11.7 -46.7 4 35.0 -17.3 289 16 330.2 330.2 291.9 330.7 0.13 29 414 7332 -15.9 -44.9 6 29.0 -20.3 265 18 331.0 331.1 292.2 331.7 0.17 30 400 7590 -18.3 -46.3 7 28.0 -22.2 275 21 331.2 331.2 292.2 331.8 0.15 31 384 7893 -21.1 -46.1 9 25.0 -24.4 275 19 331.4 331.4 292.3 332.0 0.16 32 382 7931 -21.3 -47.3 8 26.0 -24.5 275 19 331.6 331.7 292.3 332.2 0.14 33 377 8028 -21.1 -51.1 5 30.0 -24.5 275 18 333.2 333.2 292.7 333.5 0.09 34 372 8126 -21.7 -52.7 4 31.0 -25.1 275 18 333.6 333.7 292.8 334.0 0.08 35 344 8697 -26.3 -55.3 5 29.0 -28.9 265 22 334.9 335.0 293.1 335.2 0.06 36 339 8802 -26.5 -56.5 4 30.0 -29.0 263 24 336.1 336.1 293.4 336.3 0.05 37 320 9215 -30.5 -57.5 5 27.0 -32.4 254 28 336.1 336.1 293.4 336.3 0.05 38 300 9670 -34.1 -60.1 5 26.0 -35.6 245 30 337.3 337.3 293.7 337.5 0.04 39 291 9882 -35.9 -59.9 7 24.0 -37.2 245 31 337.7 337.7 293.8 337.9 0.04 40 274 10297 -38.9 -63.9 5 25.0 -40.0 241 29 339.2 339.2 294.1 339.3 0.03 41 269 10423 -39.7 -65.7 5 26.0 -40.7 239 28 339.8 339.9 294.3 339.9 0.02 42 250 10920 -43.3 -67.3 5 24.0 -44.0 230 33 341.7 341.7 294.7 341.8 0.02 43 245 11055 -44.3 -67.3 6 23.0 -45.0 230 31 342.2 342.2 294.8 342.3 0.02 44 236 11305 -45.1 -69.1 5 24.0 -45.8 230 28 344.6 344.7 295.4 344.7 0.01 45 231 11449 -44.3 -73.3 3 29.0 -45.1 230 27 348.0 348.0 296.2 348.0 0.01 46 229 11507 -44.5 -74.5 2 30.0 -45.3 230 26 348.5 348.5 296.3 348.6 0.01 47 223 11684 -46.1 -75.1 2 29.0 -46.7 227 26 348.7 348.7 296.4 348.8 0.01 48 211 12049 -47.9 -76.9 2 29.0 -48.5 228 29 351.5 351.5 297.0 351.5 0.01 49 200 12400 -50.7 -76.7 3 26.0 -51.1 235 37 352.5 352.5 297.2 352.5 0.01 50 156 13962 -64.7 -75.7 21 11.0 -64.8 216 49 354.6 354.6 297.6 354.7 0.01 51 150 14200 -65.9 -77.9 17 12.0 -66.0 220 34 356.6 356.6 298.0 356.6 0.01 52 136 14791 -69.5 -82.5 13 13.0 -69.5 256 30 360.3 360.3 298.8 360.3 0.00 53 131 15014 -71.1 -84.1 13 13.0 -71.2 269 28 361.3 361.3 299.0 361.4 0.00 54 130 15059 -71.5 -84.5 13 13.0 -71.5 272 28 361.4 361.4 299.0 361.4 0.00 55 117 15675 -76.3 -87.3 16 11.0 -76.3 312 24 363.6 363.6 299.4 363.6 0.00 56 110 16030 -77.9 -88.9 15 11.0 -77.9 336 22 367.1 367.1 300.0 367.1 0.00 57 107 16188 -79.3 -90.3 15 11.0 -79.3 346 21 367.3 367.3 300.1 367.3 0.00 58 100 16570 -81.9 -91.9 17 10.0 -81.9 20 26 369.5 369.5 300.5 369.5 0.00 59 99 16626 -81.9 -91.9 17 10.0 -81.9 20 25 370.6 370.6 300.7 370.6 0.00 60 93 16977 -81.5 -90.5 20 9.0 -81.5 27 19 378.0 378.0 301.9 378.0 0.00 61 90 17161 -82.1 -92.1 16 10.0 -82.1 30 16 380.4 380.4 302.3 380.4 0.00 62 89 17223 -82.1 -91.1 20 9.0 -82.1 31 15 381.6 381.6 302.5 381.6 0.00 63 84 17548 -80.9 -89.9 21 9.0 -80.9 38 9 390.4 390.4 303.9 390.4 0.00 64 83 17615 -80.7 -90.7 17 10.0 -80.7 39 8 392.2 392.2 304.1 392.2 0.00 65 81 17753 -80.9 -90.9 17 10.0 -80.9 34 8 394.5 394.5 304.5 394.5 0.00 66 73 18336 -82.7 -91.7 20 9.0 -82.7 27 14 402.6 402.6 305.6 402.6 0.00 67 70 18570 -82.3 -95.3 9 13.0 -82.3 40 12 408.3 408.3 306.3 408.3 0.00 68 50 20530 -69.1 -92.1 2 23.0 -69.3 35 8 480.7 480.7 313.5 480.7 0.00 69 40 21882 -64.3 -92.3 1 28.0 -64.7 88 26 524.4 524.4 316.6 524.4 0.00 70 37 22360 -64.5 -92.5 1 28.0 -65.0 90 30 535.7 535.7 317.3 535.7 0.00 71 36 22528 -64.1 -92.1 1 28.0 -64.6 90 31 540.9 540.9 317.6 540.9 0.00 72 30 23660 -58.7 -88.7 1 30.0 -59.7 105 33 584.6 584.6 319.9 584.6 0.00 73 21 25944 -51.9 -82.9 1 31.0 -54.7 89 33 667.9 667.9 323.3 668.1 0.02 74 20 26260 -52.9 -83.9 1 31.0 -55.6 95 31 674.3 674.3 323.6 674.4 0.02 75 18 26938 -53.7 -84.7 1 31.0 -56.4 102 32 692.4 692.4 324.2 692.5 0.02 76 17 27306 -53.1 -83.1 1 30.0 -56.1 104 31 705.7 705.7 324.6 705.9 0.02 77 15 28110 -54.7 -85.7 1 31.0 -57.5 97 25 726.1 726.1 325.3 726.2 0.02 78 11 30119 -49.3 -81.3 1 32.0 -54.7 84 24 813.1 813.1 327.5 813.5 0.05 79 11 30119 -50.1 -82.1 1 32.0 -55.2 84 24 810.1 810.2 327.5 810.5 0.04 TRP 99 16626 -81.9 -91.9 17 10.0 -81.9 20 25 370.6 370.6 300.7 370.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 563.67 mb = 4931.17 m = 16178.20 ft Wetbulb zero: 653.27 mb = 3734.75 m = 12252.95 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 51.11 % Est. max temperature: 30.84 C = 87.51 F Sfc-Lift cond lev (LCL): 958.88 mb = 490.82 m = 1610.27 ft T: 23.09 C 700-500 lapse rate: 5.71 C/km ThetaE index: 28.10 C Layer 933.0- 759.0 mb Conv cond level (CCL): 933.26 mb = 728.75 m = 2390.89 ft Mean mixing ratio: 16.79 g/kg Conv temperature: 27.80 C = 82.03 F Cap Strength: 0.03 C Lifted Index: -2.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.17 C Lifted Index @700 mb: -0.73 C Showalter Index: 2.75 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 18.40 C K Index: 20.00 Risk: < 20 % chance of thunderstorms Sweat Index: 213.00 Risk: None Energy Index: -1.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1160.28 J/kg Max Up Vert Vel: 48.17 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.03 C Lift Cond Lev (LCL): 933.98 mb = 722.00 m = 2368.75 ft Lev Free Conv (LFC): 928.98 mb = 768.72 m = 2522.03 ft Equ Level (EL): 218.98 mb = 11803.98 m = 38726.49 ft B at Equ Level: 1145.97 J/kg Max Parcel Lev (MPL): 98.98 mb = 16627.50 m = 54551.50 ft Wind level data Storm motion: 85 at 13 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 1013 2 60 10 -8.7 -5.0 | 315 5 3.9 -3.9 1 1000 122 50 17 -13.0 -10.9 | 3 10 -0.5 -9.8 2 979 305 55 16 -13.1 -9.2 | 4 8 -0.6 -8.1 3 946 610 60 16 -13.9 -8.0 | 11 7 -1.3 -6.9 4 925 806 60 19 -16.5 -9.5 | 25 9 -3.9 -8.4 5 913 914 70 21 -19.7 -7.2 | 50 9 -7.2 -6.1 6 882 1219 65 24 -21.8 -10.1 | 46 13 -9.2 -9.0 7 850 1533 55 26 -21.3 -14.9 | 32 16 -8.8 -13.8 8 821 1829 60 24 -20.8 -12.0 | 37 14 -8.3 -10.9 9 791 2134 70 24 -22.6 -8.2 | 55 12 -10.0 -7.1 10 763 2438 75 24 -23.2 -6.2 | 64 12 -10.7 -5.1 11 736 2743 70 22 -20.7 -7.5 | 52 10 -8.1 -6.4 12 700 3165 55 22 -18.0 -12.6 | 26 13 -5.5 -11.5 13 659 3658 50 16 -12.3 -10.3 | 358 9 0.3 -9.2 14 611 4267 45 9 -6.4 -6.4 | 310 8 6.2 -5.2 15 566 4877 40 10 -6.4 -7.7 | 317 9 6.1 -6.5 16 525 5486 10 8 -1.4 -7.9 | 301 13 11.1 -6.8 17 506 5791 320 9 5.8 -6.9 | 288 19 18.3 -5.8 18 500 5880 315 11 7.8 -7.8 | 288 21 20.3 -6.7 19 486 6096 325 14 8.0 -11.5 | 297 23 20.6 -10.3 20 415 7315 265 18 17.9 1.6 | 265 31 30.5 2.7 21 400 7590 275 21 20.9 -1.8 | 271 33 33.4 -0.7 22 398 7620 275 21 20.9 -1.8 | 271 33 33.4 -0.7 23 366 8230 275 17 16.9 -1.5 | 271 29 29.5 -0.4 24 323 9144 255 28 27.0 7.2 | 258 40 39.6 8.4 25 300 9670 245 30 27.2 12.7 | 251 42 39.7 13.8 26 283 10058 245 31 28.1 13.1 | 251 43 40.6 14.2 27 259 10668 235 26 21.3 14.9 | 245 37 33.8 16.0 28 250 10920 230 33 25.3 21.2 | 239 44 37.8 22.3 29 226 11582 230 25 19.2 16.1 | 242 36 31.7 17.2 30 216 11887 220 27 17.4 20.7 | 234 37 29.9 21.8 31 206 12192 235 31 25.4 17.8 | 244 42 37.9 18.9 32 200 12400 235 37 30.3 21.2 | 242 48 42.8 22.3 33 154 14021 215 50 28.7 41.0 | 224 59 41.2 42.1 34 150 14200 220 34 21.9 26.0 | 232 44 34.4 27.2 35 126 15240 285 26 25.1 -6.7 | 278 38 37.6 -5.6 36 102 16459 5 20 -1.7 -19.9 | 330 22 10.8 -18.8 37 100 16570 20 26 -8.9 -24.4 | 351 24 3.6 -23.3 38 99 16626 20 25 -8.6 -23.5 | 350 23 4.0 -22.4 39 82 17678 40 7 -4.5 -5.4 | 298 9 8.0 -4.2 40 78 17983 15 10 -2.6 -9.7 | 311 13 9.9 -8.5 41 74 18288 25 14 -5.9 -12.7 | 330 13 6.6 -11.6 42 70 18570 40 12 -7.7 -9.2 | 329 9 4.8 -8.1 43 70 18593 30 16 -8.0 -13.9 | 340 14 4.5 -12.7 44 63 19202 15 14 -3.6 -13.5 | 324 15 8.9 -12.4 45 60 19507 255 12 11.6 3.1 | 260 24 24.1 4.2 46 54 20117 335 4 1.7 -3.6 | 280 14 14.2 -2.5 47 51 20422 125 5 -4.1 2.9 | 245 9 8.4 4.0 48 50 20530 35 8 -4.6 -6.6 | 304 10 7.9 -5.4 49 48 20726 35 6 -3.4 -4.9 | 293 10 9.1 -3.8 50 46 21031 360 16 -0.0 -16.0 | 320 19 12.5 -14.9 51 44 21336 15 22 -5.7 -21.3 | 341 21 6.8 -20.1 52 42 21641 80 24 -23.6 -4.2 | 75 12 -11.1 -3.0 53 40 21946 90 26 -26.0 0.0 | 95 14 -13.5 1.1 54 36 22555 90 31 -31.0 0.0 | 93 19 -18.5 1.1 55 34 22860 100 26 -25.6 4.5 | 113 14 -13.1 5.6 56 33 23165 85 32 -31.9 -2.8 | 85 19 -19.3 -1.7 57 31 23470 100 36 -35.5 6.3 | 108 24 -22.9 7.4 58 30 23660 105 33 -31.9 8.5 | 117 22 -19.3 9.7 59 28 24079 105 35 -33.8 9.1 | 116 24 -21.3 10.2 60 27 24384 110 33 -31.0 11.3 | 124 22 -18.5 12.4 61 24 24994 85 31 -30.9 -2.7 | 85 18 -18.4 -1.6 62 22 25603 95 34 -33.9 3.0 | 101 22 -21.3 4.1 63 20 26213 85 32 -31.9 -2.8 | 85 19 -19.3 -1.7 64 20 26260 95 31 -30.9 2.7 | 102 19 -18.4 3.8 65 17 26822 105 32 -30.9 8.3 | 117 21 -18.4 9.4 66 15 27432 95 23 -22.9 2.0 | 107 11 -10.4 3.1 67 12 28042 65 27 -24.5 -11.4 | 49 16 -11.9 -10.3 68 11 28346 80 21 -20.7 -3.6 | 73 9 -8.2 -2.5 69 10 28651 90 28 -28.0 0.0 | 94 16 -15.5 1.1 70 8 29870 215 5 2.9 4.1 | 251 16 15.4 5.2 71 7 30175 245 11 10.0 4.6 | 256 23 22.5 5.8 Wind Parameters Mean winds (0-6000m): 54.9 at 16.8 knts Storm direction: 84.9 at 12.6 knts Shear (0-3000m) pos: 2.0 neg: 2.5 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 79.7 deg Storm rel helicity (0-3000m) pos: 48.7 neg: -29.4 tot: 19.3 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.8 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 6407.48 Bulk Shear: 0.18 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 54 16 1 8| 0.0 6.2 6.2| 11.7 0.0 11.7 23.4 0.76| 9.2 7.0 1000 59 17 15 8| 3.5 3.1 6.6| 25.8 0.0 25.8 25.8 0.76| 8.8 6.7 1500 61 19 28 9| 2.3 4.0 6.3| 25.8 -13.4 12.4 8.3 0.39| 8.2 3.2 2000 60 21 31 11| 2.3 3.0 5.2| 37.2 -13.5 23.8 11.9 0.43| 7.4 3.2 2500 63 21 37 11| 2.4 2.4 4.8| 48.7 -14.3 34.4 13.8 0.48| 6.8 3.2 3000 64 22 39 11| 2.0 2.5 4.4| 48.7 -29.4 19.3 6.4 0.27| 6.6 1.8 4000 61 21 32 10| 1.5 1.8 3.3| 48.7 -58.6 -9.9 -2.5 -0.01| 6.5 -0.0 5000 59 18 22 9| 1.2 1.6 2.8| 50.5 -66.0 -15.5 -3.1 -0.05| 5.8 -0.3 6000 55 17 8 9| 1.0 2.4 3.4| 61.8 -91.2 -29.4 -4.9 -0.10| 6.1 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SKSP/skewt/SKSP.skewt.20251225.12.gif