UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 1 MAY 25 Station: SBTT WMO ident: 82411 Latitude: -4.25 Longitude: -69.94 Elevation: 85.00 ------------------------------------------------------------------------------- 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 1000 85 27.0 23.0 79 4.0 24.1 40 2 300.1 303.4 297.3 352.8 17.96 1 935 676 24.4 20.0 76 4.4 21.3 9 3 303.3 306.3 296.8 350.6 15.94 2 925 770 23.6 20.4 82 3.2 21.3 340 3 303.4 306.5 297.2 352.5 16.53 3 850 1504 18.4 16.1 86 2.3 16.8 125 4 305.4 308.0 295.8 346.3 13.67 4 797 2054 14.4 13.8 96 0.6 14.0 30 1 306.8 309.2 295.4 344.6 12.55 5 750 2567 12.0 12.0 100 0.0 12.0 21 5 309.6 311.8 295.7 345.6 11.84 6 700 3144 9.8 9.3 97 0.5 9.5 100 9 313.3 315.4 295.7 346.1 10.57 7 639 3899 5.8 4.7 93 1.1 5.1 64 5 317.1 318.7 295.2 343.6 8.42 8 577 4732 2.4 0.9 90 1.5 1.5 78 9 322.5 323.9 295.6 345.4 7.10 9 569 4845 1.6 -2.0 77 3.6 -0.3 86 10 322.8 324.0 294.7 341.8 5.82 10 566 4888 2.2 -6.8 51 9.0 -2.1 90 11 324.0 324.8 293.7 337.5 4.06 11 558 5003 0.8 -1.3 86 2.1 -0.3 79 13 323.7 324.9 295.3 344.1 6.25 12 556 5032 0.6 -4.4 69 5.0 -1.9 76 13 323.8 324.8 294.3 340.1 4.97 13 550 5120 -0.3 -1.5 92 1.2 -1.0 68 15 323.7 325.0 295.3 344.1 6.25 14 546 5178 -0.3 -0.3 100 0.0 -0.3 62 16 324.4 325.8 295.9 346.8 6.88 15 512 5692 -3.3 -3.3 100 0.0 -3.3 71 18 326.8 328.0 295.8 346.2 5.87 16 508 5754 -3.3 -7.9 70 4.6 -5.5 72 18 327.5 328.4 294.7 341.5 4.16 17 502 5848 -3.7 -9.7 63 6.0 -6.4 74 19 328.2 328.9 294.4 340.5 3.65 18 500 5880 -3.9 -9.9 63 6.0 -6.6 75 19 328.3 329.0 294.4 340.5 3.61 19 488 6071 -4.9 -5.2 98 0.3 -5.1 79 16 329.3 330.4 296.0 347.2 5.33 20 479 6217 -5.3 -13.3 53 8.0 -8.6 78 17 330.6 331.2 294.4 340.5 2.86 21 439 6896 -9.3 -9.3 100 0.0 -9.3 100 15 333.9 334.8 296.3 348.7 4.31 22 429 7074 -9.9 -9.9 100 0.0 -9.9 96 14 335.3 336.2 296.6 349.8 4.21 23 403 7553 -13.5 -19.5 61 6.0 -15.6 66 12 336.7 337.1 295.3 344.0 2.03 24 400 7610 -13.9 -19.9 60 6.0 -15.9 60 12 336.9 337.3 295.3 344.0 1.97 25 376 8077 -16.9 -24.9 50 8.0 -19.1 48 10 339.0 339.2 295.3 343.9 1.35 26 344 8738 -22.3 -23.6 89 1.3 -22.7 50 7 340.4 340.7 295.8 346.4 1.66 27 312 9448 -26.9 -38.9 31 12.0 -28.7 57 5 343.6 343.7 295.6 345.3 0.42 28 300 9730 -29.3 -41.3 30 12.0 -30.9 60 4 344.1 344.2 295.6 345.4 0.34 29 268 10522 -35.1 -53.1 14 18.0 -36.5 46 3 346.9 346.9 296.0 347.3 0.10 30 265 10600 -35.9 -44.9 39 9.0 -36.8 47 4 346.9 346.9 296.2 347.9 0.26 31 259 10758 -37.3 -52.3 20 15.0 -38.4 48 5 347.1 347.1 296.1 347.6 0.12 32 257 10811 -37.7 -42.6 60 4.9 -38.2 48 5 347.3 347.3 296.3 348.7 0.35 33 250 11000 -39.5 -44.4 60 4.9 -39.9 50 7 347.3 347.4 296.3 348.5 0.29 34 247 11083 -40.3 -44.7 63 4.4 -40.7 49 8 347.3 347.4 296.3 348.5 0.29 35 243 11194 -41.1 -54.1 23 13.0 -41.9 47 8 347.8 347.8 296.3 348.2 0.10 36 235 11421 -43.3 -50.3 46 7.0 -43.7 43 10 347.8 347.8 296.3 348.5 0.16 37 232 11508 -43.9 -61.9 12 18.0 -44.6 41 10 348.2 348.2 296.3 348.3 0.04 38 223 11773 -45.9 -54.9 35 9.0 -46.3 58 12 349.1 349.1 296.5 349.5 0.10 39 218 11924 -46.9 -68.9 6 22.0 -47.5 70 12 349.8 349.8 296.6 349.8 0.02 40 200 12490 -51.9 -65.9 17 14.0 -52.2 80 19 350.6 350.6 296.8 350.7 0.03 41 151 14240 -67.9 -73.9 42 6.0 -67.9 81 23 352.4 352.5 297.2 352.5 0.01 42 150 14280 -68.3 -74.3 42 6.0 -68.4 80 23 352.4 352.4 297.2 352.5 0.01 43 140 14691 -71.7 -81.7 21 10.0 -71.8 83 22 353.5 353.5 297.4 353.5 0.00 44 100 16630 -81.7 -86.7 42 5.0 -81.7 360 12 369.9 369.9 300.5 369.9 0.00 45 96 16858 -83.7 -88.0 47 4.3 -83.7 355 9 370.3 370.3 300.6 370.3 0.00 46 92 17095 -82.3 -89.3 29 7.0 -82.3 343 11 377.6 377.6 301.9 377.6 0.00 47 88 17348 -74.3 -89.3 8 15.0 -74.3 331 12 398.5 398.5 305.0 398.5 0.00 48 71 18588 -77.5 -90.5 11 13.0 -77.6 295 31 416.9 416.9 307.3 416.9 0.00 49 70 18670 -76.1 -90.1 9 14.0 -76.2 290 39 421.6 421.6 307.9 421.6 0.00 50 69 18753 -74.7 -89.7 8 15.0 -74.7 290 40 426.3 426.3 308.4 426.3 0.00 51 64 19189 -76.3 -90.3 9 14.0 -76.3 283 38 432.1 432.1 309.0 432.1 0.00 52 59 19664 -70.5 -91.5 3 21.0 -70.6 286 37 455.3 455.3 311.4 455.3 0.00 53 53 20302 -69.3 -91.3 3 22.0 -69.5 295 34 472.2 472.2 312.8 472.3 0.00 54 51 20532 -69.7 -90.7 3 21.0 -69.9 278 31 476.5 476.5 313.2 476.5 0.00 55 50 20650 -69.1 -91.1 3 22.0 -69.3 260 30 480.7 480.7 313.5 480.7 0.00 56 37 22458 -68.1 -92.1 2 24.0 -68.4 221 32 526.4 526.4 316.7 526.5 0.00 57 35 22799 -60.7 -90.7 1 30.0 -61.4 238 12 554.2 554.2 318.3 554.2 0.00 58 30 23770 -56.1 -88.1 1 32.0 -57.5 75 21 591.7 591.7 320.2 591.7 0.01 59 28 24211 -53.7 -86.7 1 33.0 -55.6 72 24 610.2 610.2 321.0 610.2 0.01 60 23 25467 -56.5 -88.5 1 32.0 -58.2 81 39 637.2 637.2 322.2 637.3 0.01 TRP 96 16858 -83.7 -88.0 47 4.3 -83.7 355 9 370.3 370.3 300.6 370.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 552.00 mb = 5090.50 m = 16700.90 ft Wetbulb zero: 570.42 mb = 4825.29 m = 15830.80 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 89.80 % Est. max temperature: 32.27 C = 90.09 F Sfc-Lift cond lev (LCL): 943.81 mb = 593.49 m = 1947.14 ft T: 24.76 C 700-500 lapse rate: 5.01 C/km ThetaE index: 7.91 C Layer 850.0- 750.0 mb Conv cond level (CCL): 864.50 mb = 1357.15 m = 4452.54 ft Mean mixing ratio: 16.64 g/kg Conv temperature: 31.88 C = 89.38 F Cap Strength: 1.67 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.84 C Lifted Index @700 mb: -1.24 C Showalter Index: 0.42 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.00 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 220.20 Risk: None Energy Index: -1.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 590.01 J/kg Max Up Vert Vel: 34.35 m/s Conv Inhibition (B-): 29.84 J/kg Cap Strength: 1.67 C Lift Cond Lev (LCL): 897.48 mb = 1032.19 m = 3386.40 ft Lev Free Conv (LFC): 832.48 mb = 1681.81 m = 5517.67 ft Equ Level (EL): 182.48 mb = 13060.96 m = 42850.40 ft B at Equ Level: 589.37 J/kg Max Parcel Lev (MPL): 102.48 mb = 16488.89 m = 54096.77 ft Wind level data Storm motion: 102 at 6 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 1000 85 40 2 -1.3 -1.5 | 303 5 4.3 -2.8 1 975 305 60 13 -11.3 -6.5 | 36 10 -5.6 -7.7 2 942 610 30 3 -1.5 -2.6 | 313 6 4.1 -3.8 3 925 770 340 3 1.0 -2.8 | 301 8 6.6 -4.1 4 910 914 345 2 0.5 -1.9 | 297 7 6.1 -3.2 5 850 1504 125 4 -3.3 2.3 | 246 3 2.3 1.0 6 789 2134 15 1 -0.3 -1.0 | 292 6 5.4 -2.2 7 761 2438 5 4 -0.3 -4.0 | 315 7 5.3 -5.2 8 708 3048 85 11 -11.0 -1.0 | 68 6 -5.3 -2.2 9 700 3144 100 9 -8.9 1.6 | 96 3 -3.2 0.3 10 610 4267 45 3 -2.1 -2.1 | 314 5 3.5 -3.4 11 566 4877 90 11 -11.0 0.0 | 77 6 -5.4 -1.2 12 545 5182 60 16 -13.9 -8.0 | 42 12 -8.2 -9.2 13 500 5880 75 19 -18.4 -4.9 | 64 14 -12.7 -6.2 14 486 6096 80 16 -15.8 -2.8 | 68 11 -10.1 -4.0 15 468 6401 75 19 -18.4 -4.9 | 64 14 -12.7 -6.2 16 449 6706 105 16 -15.5 4.1 | 106 10 -9.8 2.9 17 416 7315 90 13 -13.0 0.0 | 80 7 -7.4 -1.2 18 400 7610 60 12 -10.4 -6.0 | 33 9 -4.8 -7.2 19 399 7620 55 11 -9.0 -6.3 | 24 8 -3.4 -7.6 20 368 8230 45 9 -6.4 -6.4 | 6 8 -0.7 -7.6 21 300 9730 60 4 -3.5 -2.0 | 326 4 2.2 -3.2 22 274 10363 45 2 -1.4 -1.4 | 302 5 4.2 -2.7 23 250 11000 50 7 -5.4 -4.5 | 357 6 0.3 -5.7 24 229 11582 40 11 -7.1 -8.4 | 9 10 -1.4 -9.7 25 219 11887 70 12 -11.3 -4.1 | 47 8 -5.7 -5.4 26 200 12490 80 19 -18.7 -3.3 | 71 14 -13.1 -4.5 27 156 14021 85 26 -25.9 -2.3 | 80 21 -20.3 -3.5 28 150 14280 80 23 -22.7 -4.0 | 73 18 -17.0 -5.2 29 134 14935 85 21 -20.9 -1.8 | 79 16 -15.3 -3.1 30 127 15240 95 13 -13.0 1.1 | 89 7 -7.3 -0.1 31 121 15545 130 13 -10.0 8.4 | 149 8 -4.3 7.1 32 100 16630 360 12 -0.0 -12.0 | 337 14 5.6 -13.2 33 98 16764 10 11 -1.9 -10.8 | 343 13 3.7 -12.1 34 96 16858 355 9 0.8 -9.0 | 328 12 6.4 -10.2 35 93 17069 345 11 2.8 -10.6 | 324 15 8.5 -11.9 36 88 17374 330 12 6.0 -10.4 | 315 16 11.6 -11.6 37 83 17678 300 16 13.9 -8.0 | 295 22 19.5 -9.2 38 79 17983 280 27 26.6 -4.7 | 280 33 32.2 -5.9 39 75 18288 270 18 18.0 -0.0 | 273 24 23.6 -1.2 40 71 18593 295 31 28.1 -13.1 | 293 37 33.7 -14.3 41 70 18670 290 39 36.6 -13.3 | 289 45 42.3 -14.6 42 67 18898 290 43 40.4 -14.7 | 289 49 46.0 -16.0 43 61 19507 275 33 32.9 -2.9 | 276 39 38.5 -4.1 44 58 19812 295 40 36.3 -16.9 | 293 46 41.9 -18.2 45 52 20422 295 32 29.0 -13.5 | 293 38 34.6 -14.8 46 50 20650 260 30 29.5 5.2 | 264 35 35.2 4.0 47 49 20726 275 27 26.9 -2.4 | 276 33 32.5 -3.6 48 47 21031 260 30 29.5 5.2 | 264 35 35.2 4.0 49 40 21946 230 41 31.4 26.4 | 236 45 37.0 25.1 50 37 22555 220 31 19.9 23.7 | 229 34 25.5 22.5 51 35 22860 240 10 8.7 5.0 | 255 15 14.3 3.8 52 33 23165 195 20 5.2 19.3 | 211 21 10.8 18.1 53 30 23770 75 21 -20.3 -5.4 | 66 16 -14.7 -6.7 54 30 23774 110 7 -6.6 2.4 | 140 1 -1.0 1.1 55 28 24079 70 25 -23.5 -8.6 | 61 20 -17.9 -9.8 56 24 24689 75 41 -39.6 -10.6 | 71 36 -34.0 -11.9 57 20 25603 100 34 -33.5 5.9 | 99 28 -27.9 4.7 Wind Parameters Mean winds (0-6000m): 72.5 at 7.7 knts Storm direction: 102.5 at 5.8 knts Shear (0-3000m) pos: 2.2 neg: 0.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 133.8 deg Storm rel helicity (0-3000m) pos: 43.4 neg: -22.7 tot: 20.7 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 2.4 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 797.08 Bulk Shear: 0.74 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 55 8 9 6| 0.0 1.9 1.9| 14.2 -15.4 -1.2 -2.4 0.05| 20.3 1.1 1000 44 5 339 5| 0.0 0.4 0.4| 16.1 -20.1 -4.0 -4.0 -0.02| 13.0 -0.2 1500 57 5 336 4| 1.5 0.3 1.7| 17.0 -21.7 -4.7 -3.1 -0.06| 10.8 -0.7 2000 64 4 327 4| 1.1 1.1 2.2| 18.1 -22.7 -4.6 -2.3 -0.03| 9.2 -0.3 2500 54 4 325 4| 0.9 0.9 1.8| 26.3 -22.7 3.7 1.5 0.08| 8.4 0.7 3000 62 5 336 4| 2.2 0.8 3.0| 43.4 -22.7 20.7 6.9 0.27| 9.0 2.4 4000 72 5 346 3| 1.7 1.5 3.2| 44.3 -27.8 16.4 4.1 0.14| 7.8 1.1 5000 75 6 357 3| 2.3 1.2 3.5| 54.8 -35.4 19.4 3.9 0.18| 7.9 1.4 6000 72 8 26 4| 1.9 0.9 2.8| 75.8 -40.9 34.9 5.8 0.20| 7.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250501.00.gif