UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051200.upa.cvt Date: 0000Z 12 MAY 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 12 MAY 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 121 SFC 975 344 22.8 21.8 94 1.0 22.1 60 4 298.1 301.2 296.1 347.8 17.10 2 958 498 23.2 20.9 87 2.3 21.6 74 14 300.0 303.0 296.3 348.2 16.46 3 925 803 21.2 19.8 92 1.4 20.2 90 25 301.0 303.9 296.1 347.8 15.91 4 850 1534 17.8 16.6 93 1.2 17.0 90 29 304.8 307.4 296.0 346.9 14.12 5 700 3177 9.4 9.2 99 0.2 9.3 105 25 312.9 314.9 295.6 345.3 10.50 6 697 3213 9.2 9.2 100 0.0 9.2 106 25 313.1 315.1 295.7 345.7 10.55 7 657 3701 7.4 5.8 90 1.6 6.4 124 24 316.4 318.1 295.3 344.1 8.84 8 579 4731 0.8 0.7 99 0.1 0.7 120 16 320.3 321.7 295.0 342.7 6.97 9 500 5900 -4.1 -4.4 98 0.3 -4.3 120 24 328.0 329.1 295.8 346.4 5.53 10 441 6887 -8.9 -10.0 92 1.1 -9.4 110 17 334.0 334.8 296.2 347.9 4.06 11 400 7640 -13.5 -14.5 92 1.0 -13.9 90 11 337.4 338.1 296.3 348.4 3.11 12 300 9760 -28.3 -30.6 81 2.3 -28.7 130 8 345.5 345.7 296.5 349.3 1.00 13 296 9857 -28.9 -30.8 84 1.9 -29.3 109 7 346.0 346.2 296.6 349.8 0.99 14 279 10280 -31.9 -35.0 74 3.1 -32.4 15 2 347.6 347.7 296.7 350.3 0.70 15 258 10831 -36.3 -40.1 68 3.8 -36.8 5 4 348.9 349.0 296.8 350.7 0.45 16 250 11050 -38.1 -41.2 73 3.1 -38.4 10 6 349.4 349.5 296.8 351.1 0.42 17 248 11105 -38.5 -41.5 73 3.0 -38.8 7 6 349.6 349.7 296.9 351.3 0.41 18 218 11975 -46.5 -49.1 75 2.6 -46.7 326 9 350.4 350.4 296.9 351.2 0.20 19 210 12222 -48.7 -54.7 50 6.0 -49.0 314 11 350.7 350.7 296.9 351.2 0.11 20 200 12540 -51.5 -55.6 61 4.1 -51.7 305 22 351.2 351.2 297.0 351.7 0.10 21 199 12572 -51.7 -55.1 67 3.4 -51.8 305 22 351.4 351.4 297.0 351.9 0.11 22 181 13176 -57.3 -64.3 41 7.0 -57.5 297 25 351.9 351.9 297.1 352.1 0.04 23 174 13423 -59.5 -62.0 73 2.5 -59.6 294 26 352.3 352.3 297.2 352.5 0.05 24 166 13715 -62.3 -65.2 68 2.9 -62.3 290 28 352.4 352.4 297.2 352.5 0.04 25 150 14330 -67.5 -72.1 52 4.6 -67.5 270 33 353.8 353.8 297.5 353.9 0.02 26 139 14785 -70.9 -76.9 41 6.0 -70.9 268 35 355.6 355.6 297.8 355.7 0.01 27 107 16291 -82.1 -86.1 50 4.0 -82.1 268 33 362.0 362.0 299.1 362.0 0.00 28 100 16670 -81.3 -86.3 42 5.0 -81.3 285 19 370.6 370.6 300.7 370.7 0.00 29 92 17137 -82.9 -87.5 45 4.6 -82.9 306 26 376.4 376.4 301.6 376.4 0.00 30 81 17857 -76.9 -88.9 13 12.0 -76.9 291 25 402.7 402.7 305.6 402.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 566.10 mb = 4921.46 m = 16146.32 ft Wetbulb zero: 567.53 mb = 4889.99 m = 16043.07 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 95.10 % Est. max temperature: 30.68 C = 87.23 F Sfc-Lift cond lev (LCL): 961.22 mb = 468.38 m = 1536.67 ft T: 23.12 C 700-500 lapse rate: 4.96 C/km ThetaE index: 2.87 C Layer 925.0- 697.0 mb Conv cond level (CCL): 871.09 mb = 1322.08 m = 4337.49 ft Mean mixing ratio: 15.83 g/kg Conv temperature: 28.34 C = 83.02 F Cap Strength: 0.86 C Lifted Index: -0.37 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.30 C Lifted Index @700 mb: -0.58 C Showalter Index: -0.02 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.70 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 281.20 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 113.09 J/kg Max Up Vert Vel: 15.04 m/s Conv Inhibition (B-): 23.20 J/kg Cap Strength: 0.86 C Lift Cond Lev (LCL): 903.53 mb = 1005.99 m = 3300.45 ft Lev Free Conv (LFC): 768.53 mb = 2386.59 m = 7829.92 ft Equ Level (EL): 468.53 mb = 6410.91 m = 21032.92 ft B at Equ Level: 112.64 J/kg Max Parcel Lev (MPL): 278.53 mb = 10291.71 m = 33765.05 ft Wind level data Storm motion: 136 at 17 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 ---------------------------------------------------------- 0 975 344 60 4 -3.5 -2.0 | 329 17 8.6 -14.4 1 946 610 85 21 -20.9 -1.8 | 32 17 -8.8 -14.2 2 925 803 90 25 -25.0 0.0 | 46 18 -12.9 -12.4 3 913 914 90 33 -33.0 0.0 | 59 24 -20.9 -12.4 4 850 1534 90 29 -29.0 0.0 | 54 21 -16.9 -12.4 5 792 2134 95 27 -26.9 2.4 | 56 18 -14.8 -10.0 6 764 2438 110 24 -22.6 8.2 | 68 11 -10.5 -4.2 7 711 3048 95 29 -28.9 2.5 | 60 19 -16.8 -9.9 8 700 3177 105 25 -24.1 6.5 | 64 13 -12.1 -5.9 9 660 3658 125 24 -19.7 13.8 | 100 8 -7.6 1.4 10 612 4267 110 18 -16.9 6.2 | 38 8 -4.8 -6.2 11 589 4572 120 17 -14.7 8.5 | 34 5 -2.6 -3.9 12 567 4877 120 14 -12.1 7.0 | 1 5 -0.1 -5.4 13 500 5900 120 24 -20.8 12.0 | 87 9 -8.7 -0.4 14 488 6096 120 24 -20.8 12.0 | 87 9 -8.7 -0.4 15 417 7315 105 13 -12.6 3.4 | 3 9 -0.5 -9.0 16 401 7620 90 10 -10.0 0.0 | 351 13 2.1 -12.4 17 400 7640 90 11 -11.0 0.0 | 355 12 1.1 -12.4 18 369 8230 105 12 -11.6 3.1 | 357 9 0.5 -9.3 19 340 8839 140 10 -6.4 7.7 | 310 7 5.6 -4.7 20 300 9754 125 10 -8.2 5.7 | 330 8 3.9 -6.7 21 300 9760 130 8 -6.1 5.1 | 321 9 5.9 -7.3 22 275 10363 355 1 0.1 -1.0 | 318 18 12.2 -13.4 23 250 11050 10 6 -1.0 -5.9 | 329 21 11.0 -18.3 24 211 12192 315 10 7.1 -7.1 | 315 27 19.1 -19.5 25 200 12540 305 22 18.0 -12.6 | 310 39 30.1 -25.0 26 166 13716 290 28 26.3 -9.6 | 300 44 38.4 -22.0 27 150 14330 270 33 33.0 -0.0 | 285 47 45.1 -12.4 28 142 14630 270 33 33.0 -0.0 | 285 47 45.1 -12.4 29 115 15850 250 48 45.1 16.4 | 266 57 57.2 4.0 30 100 16670 285 19 18.4 -4.9 | 300 35 30.4 -17.3 31 98 16764 250 32 30.1 10.9 | 272 42 42.1 -1.5 32 93 17069 305 24 19.7 -13.8 | 310 41 31.7 -26.2 33 88 17374 310 35 26.8 -22.5 | 312 52 38.9 -34.9 34 83 17678 305 25 20.5 -14.3 | 309 42 32.6 -26.7 35 79 17983 275 24 23.9 -2.1 | 292 39 36.0 -14.5 Wind Parameters Mean winds (0-6000m): 105.8 at 23.1 knts Storm direction: 135.8 at 17.3 knts Shear (0-3000m) pos: 3.3 neg: 0.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 150.0 neg: -22.1 tot: 127.9 m^2/s^2 ave: 42.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 5.1 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 10.80 Bulk Shear: 10.48 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 86 18 22 15| 25.3 0.0 25.3|106.0 0.0 106.0 212.0 0.96| 26.1 25.0 1000 88 25 44 18| 12.6 1.2 13.8|122.0 -8.5 113.5 113.5 0.78| 16.9 13.2 1500 89 26 48 19| 7.7 0.8 8.5|124.0 -12.4 111.6 74.4 0.71| 12.2 8.7 2000 91 26 50 19| 5.2 0.6 5.8|134.8 -12.4 122.4 61.2 0.66| 10.9 7.2 2500 94 26 53 18| 4.2 1.1 5.3|137.6 -17.4 120.2 48.1 0.55| 10.3 5.6 3000 95 26 54 17| 3.3 0.9 4.3|150.0 -22.1 127.9 42.6 0.48| 10.6 5.1 4000 100 25 58 15| 2.4 0.9 3.2|160.1 -37.1 123.0 30.8 0.34| 9.7 3.4 5000 103 23 56 13| 1.7 0.8 2.5|165.4 -41.0 124.4 24.9 0.32| 8.7 2.8 6000 106 23 59 12| 1.4 0.9 2.3|172.2 -46.1 126.1 21.0 0.31| 8.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20250512.00.gif