UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for TNCM... Searching the city database file for: TNCM ... Date:0000Z 18 APR 25 Station: TNCM WMO ident: 78866 Latitude: 18.05 Longitude: -63.12 Elevation: 9.00 ------------------------------------------------------------------------------- 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 9 27.8 24.0 80 3.8 25.0 10 8 299.9 303.4 297.8 355.3 18.88 1 1005 71 26.4 22.2 78 4.2 23.4 74 9 299.1 302.2 296.4 348.7 17.00 2 1000 115 25.8 22.3 81 3.5 23.3 120 10 299.0 302.1 296.4 349.1 17.19 3 925 797 20.2 19.0 93 1.2 19.4 125 16 300.0 302.7 295.3 344.2 15.12 4 912 919 19.2 18.2 94 1.0 18.5 125 15 300.2 302.8 295.0 342.8 14.57 5 894 1091 18.2 16.6 90 1.6 17.1 134 14 300.8 303.3 294.4 340.2 13.41 6 886 1168 18.2 16.4 89 1.8 17.0 137 14 301.6 304.1 294.6 341.0 13.36 7 870 1325 17.6 15.7 89 1.9 16.3 138 13 302.6 305.0 294.6 341.0 13.00 8 862 1404 17.2 15.6 90 1.6 16.1 137 13 302.9 305.4 294.7 341.6 13.04 9 850 1524 16.6 14.7 89 1.9 15.3 135 12 303.5 305.8 294.4 340.6 12.47 10 846 1564 16.4 14.4 88 2.0 15.1 134 11 303.7 306.0 294.4 340.3 12.28 11 815 1881 14.6 13.3 92 1.3 13.7 132 7 305.1 307.3 294.4 340.6 11.86 12 811 1922 14.4 12.9 91 1.5 13.4 134 6 305.3 307.5 294.3 340.1 11.61 13 803 2006 14.4 12.1 86 2.3 12.9 138 5 306.2 308.2 294.2 339.6 11.12 14 762 2446 11.6 10.5 93 1.1 10.9 196 1 307.8 309.7 294.2 339.6 10.53 15 700 3151 7.8 4.0 77 3.8 5.6 325 10 311.1 312.5 292.7 333.7 7.30 16 691 3258 7.8 -0.2 57 8.0 3.5 325 10 312.3 313.3 291.5 329.4 5.46 17 683 3354 8.6 -13.4 20 22.0 -0.4 325 10 314.2 314.6 289.0 320.8 1.99 18 678 3414 8.6 -9.4 27 18.0 0.5 319 11 314.9 315.4 289.9 323.9 2.76 19 634 3966 5.8 -7.2 39 13.0 -0.3 276 13 317.8 318.5 291.5 329.2 3.51 20 588 4578 2.4 -16.6 23 19.0 -4.8 255 15 320.7 321.1 290.8 326.8 1.77 21 583 4647 2.8 -20.2 17 23.0 -5.3 255 16 322.0 322.3 290.7 326.5 1.32 22 541 5248 -1.1 -28.1 11 27.0 -8.8 252 24 324.3 324.4 290.8 326.8 0.70 23 500 5870 -6.3 -27.3 17 21.0 -12.1 255 36 325.4 325.5 291.2 328.3 0.81 24 490 6028 -7.3 -26.3 20 19.0 -12.6 255 36 326.0 326.2 291.5 329.3 0.91 25 480 6188 -7.9 -29.9 15 22.0 -13.5 252 35 327.2 327.3 291.6 329.6 0.67 26 466 6418 -9.5 -27.5 22 18.0 -14.3 245 33 328.0 328.2 292.0 331.1 0.86 27 437 6911 -12.3 -35.3 13 23.0 -17.1 241 34 330.5 330.6 292.3 332.2 0.43 28 400 7580 -18.1 -39.1 14 21.0 -21.7 240 34 331.5 331.5 292.4 332.7 0.32 29 359 8377 -25.3 -41.3 21 16.0 -27.5 246 45 332.2 332.3 292.6 333.3 0.29 30 345 8665 -27.3 -52.3 7 25.0 -29.6 250 48 333.3 333.3 292.7 333.7 0.09 31 343 8707 -27.3 -50.3 9 23.0 -29.5 250 49 333.9 333.9 292.9 334.3 0.11 32 300 9660 -33.5 -51.5 15 18.0 -34.9 250 47 338.2 338.2 294.0 338.6 0.11 33 296 9755 -34.3 -52.3 14 18.0 -35.7 250 47 338.3 338.3 294.0 338.7 0.10 34 278 10193 -37.5 -56.5 12 19.0 -38.6 252 51 339.8 339.9 294.3 340.1 0.07 35 262 10601 -40.9 -57.9 14 17.0 -41.7 255 55 340.7 340.7 294.6 340.9 0.06 36 250 10920 -42.3 -60.3 12 18.0 -43.1 260 55 343.2 343.2 295.1 343.4 0.05 37 238 11251 -44.1 -60.1 15 16.0 -44.7 260 60 345.3 345.3 295.6 345.5 0.05 38 216 11897 -47.7 -68.7 7 21.0 -48.3 260 69 349.5 349.5 296.5 349.5 0.02 39 200 12400 -52.3 -69.3 11 17.0 -52.7 260 70 349.9 350.0 296.6 350.0 0.02 40 194 12596 -53.7 -70.2 12 16.4 -54.0 260 71 350.7 350.7 296.8 350.8 0.02 41 171 13394 -59.7 -73.7 15 14.0 -59.9 264 66 353.7 353.7 297.4 353.8 0.01 42 150 14200 -65.9 -77.9 17 12.0 -66.0 270 59 356.6 356.6 298.0 356.6 0.01 43 144 14447 -67.7 -78.7 19 11.0 -67.8 267 58 357.6 357.6 298.2 357.6 0.01 44 128 15150 -70.9 -82.9 15 12.0 -70.9 252 55 364.1 364.1 299.5 364.1 0.00 45 126 15243 -71.1 -83.1 15 12.0 -71.2 250 55 365.4 365.4 299.7 365.4 0.00 46 121 15483 -70.1 -83.1 13 13.0 -70.2 254 60 371.5 371.5 300.8 371.5 0.00 47 109 16100 -72.9 -85.9 12 13.0 -72.9 285 43 377.5 377.5 301.8 377.5 0.00 48 104 16374 -75.5 -87.5 14 12.0 -75.5 300 33 377.6 377.6 301.9 377.6 0.00 49 100 16600 -76.7 -88.7 13 12.0 -76.7 265 11 379.5 379.5 302.2 379.5 0.00 50 88 17323 -82.5 -92.5 16 10.0 -82.5 205 21 382.0 382.0 302.6 382.0 0.00 51 85 17518 -79.1 -88.1 21 9.0 -79.1 213 24 392.7 392.7 304.2 392.7 0.00 52 80 17864 -75.9 -85.9 19 10.0 -75.9 242 20 406.2 406.2 306.0 406.2 0.00 53 70 18630 -78.1 -89.1 15 11.0 -78.1 205 10 417.3 417.3 307.4 417.3 0.00 54 69 18712 -78.1 -89.1 15 11.0 -78.1 207 10 419.0 419.0 307.6 419.0 0.00 55 55 20036 -69.1 -89.1 4 20.0 -69.2 200 10 467.7 467.7 312.4 467.7 0.00 56 50 20610 -65.5 -87.5 3 22.0 -65.8 225 6 489.1 489.1 314.1 489.2 0.00 57 47 20987 -63.7 -87.7 2 24.0 -64.1 3 4 502.2 502.2 315.1 502.2 0.00 58 44 21391 -64.1 -89.1 2 25.0 -64.5 347 10 510.8 510.8 315.7 510.8 0.00 59 36 22626 -61.1 -89.1 1 28.0 -61.8 59 12 548.7 548.7 318.0 548.7 0.00 60 34 22980 -61.9 -89.9 1 28.0 -62.6 83 20 555.6 555.6 318.4 555.7 0.00 61 30 23760 -58.1 -88.1 1 30.0 -59.2 90 20 586.2 586.3 320.0 586.3 0.01 62 21 26069 -49.3 -81.3 1 32.0 -52.8 46 10 675.8 675.8 323.6 676.0 0.03 63 20 26390 -49.7 -81.7 1 32.0 -53.2 40 8 684.0 684.1 323.9 684.2 0.03 64 14 28755 -43.9 -77.9 1 34.0 -50.7 130 20 777.2 777.2 326.7 777.8 0.07 65 13 29251 -44.9 -77.9 1 33.0 -51.5 94 10 790.4 790.4 327.0 791.0 0.07 66 12 29787 -44.7 -77.7 1 33.0 -51.8 77 13 809.4 809.4 327.5 810.1 0.08 TRP 88 17323 -82.5 -92.5 16 10.0 -82.5 205 21 382.0 382.0 302.6 382.0 0.00 WND 194 12596 -53.7 -70.2 12 16.4 -54.0 260 71 350.7 350.7 296.8 350.8 0.02 Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 552.85 mb = 5078.16 m = 16660.44 ft Wetbulb zero: 683.80 mb = 3344.04 m = 10971.13 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 57.69 % Est. max temperature: 30.83 C = 87.50 F Sfc-Lift cond lev (LCL): 958.19 mb = 488.66 m = 1603.19 ft T: 22.73 C 700-500 lapse rate: 5.19 C/km ThetaE index: 18.89 C Layer 700.0- 678.0 mb Conv cond level (CCL): 922.46 mb = 820.76 m = 2692.75 ft Mean mixing ratio: 16.14 g/kg Conv temperature: 27.88 C = 82.18 F Cap Strength: 0.38 C Lifted Index: -2.16 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.34 C Lifted Index @700 mb: -1.89 C Showalter Index: 0.24 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 21.00 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 236.40 Risk: None Energy Index: -2.35 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 772.60 J/kg Max Up Vert Vel: 39.31 m/s Conv Inhibition (B-): 0.59 J/kg Cap Strength: 0.40 C Lift Cond Lev (LCL): 929.26 mb = 756.81 m = 2482.94 ft Lev Free Conv (LFC): 914.26 mb = 897.95 m = 2946.00 ft Equ Level (EL): 674.26 mb = 3459.80 m = 11350.91 ft B at Equ Level: 79.96 J/kg Max Parcel Lev (MPL): 124.26 mb = 15325.57 m = 50280.13 ft Wind level data Storm motion: 269 at 11 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 9 10 8 -1.4 -7.9 | 56 14 -12.0 -8.0 1 1000 115 120 10 -8.7 5.0 | 104 20 -19.3 4.8 2 979 305 125 15 -12.3 8.6 | 110 24 -22.9 8.5 3 945 610 125 16 -13.1 9.2 | 111 25 -23.7 9.0 4 925 797 125 16 -13.1 9.2 | 111 25 -23.7 9.0 5 912 914 125 15 -12.3 8.6 | 110 24 -22.9 8.5 6 881 1219 140 14 -9.0 10.7 | 118 22 -19.6 10.6 7 850 1524 135 12 -8.5 8.5 | 114 21 -19.1 8.3 8 820 1829 130 7 -5.4 4.5 | 105 17 -16.0 4.3 9 790 2134 145 4 -2.3 3.3 | 104 13 -12.9 3.1 10 762 2438 195 1 0.3 1.0 | 94 10 -10.4 0.8 11 735 2743 310 4 3.1 -2.6 | 70 8 -7.6 -2.7 12 700 3151 325 10 5.7 -8.2 | 30 10 -4.9 -8.3 13 683 3353 325 10 5.7 -8.2 | 30 10 -4.9 -8.3 14 657 3658 295 13 11.8 -5.5 | 348 6 1.1 -5.6 15 610 4267 255 12 11.6 3.1 | 198 3 1.0 3.0 16 565 4877 255 19 18.4 4.9 | 238 9 7.7 4.8 17 524 5486 250 28 26.3 9.6 | 239 18 15.7 9.4 18 500 5870 255 36 34.8 9.3 | 249 26 24.1 9.2 19 485 6096 255 36 34.8 9.3 | 249 26 24.1 9.2 20 448 6706 235 30 24.6 17.2 | 219 22 13.9 17.1 21 431 7010 245 36 32.6 15.2 | 236 27 22.0 15.1 22 400 7580 240 34 29.4 17.0 | 228 25 18.8 16.8 23 398 7620 240 37 32.0 18.5 | 229 28 21.4 18.3 24 366 8230 245 44 39.9 18.6 | 238 35 29.2 18.4 25 322 9144 255 53 51.2 13.7 | 252 43 40.6 13.6 26 300 9660 250 47 44.2 16.1 | 245 37 33.5 15.9 27 296 9754 250 47 44.2 16.1 | 245 37 33.5 15.9 28 259 10668 255 56 54.1 14.5 | 252 46 43.5 14.3 29 250 10920 260 55 54.2 9.6 | 258 45 43.5 9.4 30 216 11887 260 69 68.0 12.0 | 258 59 57.3 11.8 31 200 12400 260 70 68.9 12.2 | 258 60 58.3 12.0 32 197 12497 260 70 68.9 12.2 | 258 60 58.3 12.0 33 194 12596 260 71 69.9 12.3 | 258 61 59.3 12.2 34 188 12802 260 71 69.9 12.3 | 258 61 59.3 12.2 35 150 14200 270 59 59.0 -0.0 | 270 48 48.4 -0.2 36 147 14326 270 58 58.0 -0.0 | 270 47 47.4 -0.2 37 126 15240 250 55 51.7 18.8 | 246 45 41.1 18.7 38 120 15545 255 61 58.9 15.8 | 252 51 48.3 15.6 39 102 16459 305 30 24.6 -17.2 | 321 22 13.9 -17.4 40 100 16600 265 11 11.0 1.0 | 202 1 0.3 0.8 41 92 17069 250 11 10.3 3.8 | 175 4 -0.3 3.6 42 88 17323 205 21 8.9 19.0 | 175 19 -1.8 18.9 43 83 17678 220 26 16.7 19.9 | 197 21 6.1 19.8 44 78 17983 255 16 15.5 4.1 | 230 6 4.8 4.0 45 74 18288 255 7 6.8 1.8 | 113 4 -3.9 1.7 46 70 18593 145 5 -2.9 4.1 | 106 14 -13.5 3.9 47 70 18630 205 10 4.2 9.1 | 144 11 -6.4 8.9 48 67 18898 210 10 5.0 8.7 | 146 10 -5.6 8.5 49 64 19202 155 10 -4.2 9.1 | 121 17 -14.9 8.9 50 57 19812 190 11 1.9 10.8 | 141 14 -8.7 10.7 51 50 20610 225 6 4.2 4.2 | 123 8 -6.4 4.1 52 49 20726 320 8 5.1 -6.1 | 41 8 -5.5 -6.3 53 47 21031 10 3 -0.5 -3.0 | 74 12 -11.2 -3.1 54 44 21336 330 10 5.0 -8.7 | 33 10 -5.6 -8.8 55 42 21641 55 9 -7.4 -5.2 | 74 19 -18.0 -5.3 56 40 21946 90 17 -17.0 0.0 | 90 28 -27.6 -0.2 57 38 22250 60 13 -11.3 -6.5 | 73 23 -21.9 -6.7 58 36 22555 50 10 -7.7 -6.4 | 70 19 -18.3 -6.6 59 35 22860 85 19 -18.9 -1.7 | 87 30 -29.6 -1.8 60 31 23470 75 22 -21.3 -5.7 | 80 32 -31.9 -5.8 61 30 23760 90 20 -20.0 0.0 | 90 31 -30.6 -0.2 62 27 24384 110 12 -11.3 4.1 | 100 22 -21.9 4.0 63 25 24994 85 12 -12.0 -1.0 | 87 23 -22.6 -1.2 64 24 25298 55 9 -7.4 -5.2 | 74 19 -18.0 -5.3 65 23 25603 55 13 -10.6 -7.5 | 70 23 -21.3 -7.6 66 20 26390 40 8 -5.1 -6.1 | 68 17 -15.8 -6.3 67 19 26518 90 18 -18.0 0.0 | 90 29 -28.6 -0.2 68 18 26822 30 8 -4.0 -6.9 | 64 16 -14.6 -7.1 69 15 27432 120 20 -17.3 10.0 | 109 30 -28.0 9.8 70 14 27737 130 20 -15.3 12.9 | 116 29 -26.0 12.7 71 13 28042 90 9 -9.0 0.0 | 90 20 -19.6 -0.2 72 11 28651 60 19 -16.5 -9.5 | 70 29 -27.1 -9.7 73 10 28956 90 21 -21.0 0.0 | 90 32 -31.6 -0.2 74 9 29261 75 23 -22.2 -6.0 | 79 33 -32.8 -6.1 Wind Parameters Mean winds (0-6000m): 239.2 at 14.2 knts Storm direction: 269.2 at 10.6 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -14.5 deg Storm rel helicity (0-3000m) pos: 95.9 neg: -46.0 tot: 49.9 m^2/s^2 ave: 16.6 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 1.1 10^-3/s Energy-Hel index: 0.46 Bulk Rich Number: 10.68 Bulk Shear: 72.31 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 ------------------------------------------------------------------------------- 500 120 13 106 23| 21.0 0.0 21.0| 75.4 0.0 75.4 150.7 0.82| 21.6 17.7 1000 123 14 109 24| 10.2 0.0 10.2| 82.7 -1.6 81.1 81.1 0.77| 12.1 9.3 1500 128 14 111 23| 6.2 0.0 6.2| 95.6 -10.8 84.9 56.6 0.66| 9.7 6.4 2000 129 13 111 22| 3.1 0.0 3.1| 95.6 -24.7 70.9 35.4 0.45| 9.1 4.0 2500 130 11 109 20| 2.0 0.0 2.0| 95.9 -30.3 65.6 26.2 0.34| 8.4 2.9 3000 129 10 108 19| 1.2 0.0 1.2| 95.9 -46.0 49.9 16.6 0.13| 8.5 1.1 4000 135 10 111 19| 0.9 1.2 2.1| 95.9 -63.9 32.0 8.0 -0.06| 8.2 -0.5 5000 208 11 151 11| 0.7 2.0 2.7|100.8 -65.4 35.5 7.1 -0.05| 7.8 -0.4 6000 239 14 192 7| 1.2 2.3 3.5|123.3 -65.8 57.5 9.6 -0.00| 7.9 -0.0 Wrote GIF file: /home/apache/climate/data/raob//TNCM/skewt/TNCM.skewt.20250418.00.gif