UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 16 APR 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 ------------------------------------------------------------------------------- 0 1000 74 220 2 SFC 999 85 27.0 24.0 84 3.0 24.8 220 2 300.2 303.7 298.0 356.4 19.13 2 944 585 24.0 22.8 93 1.2 23.2 144 4 302.1 305.6 298.2 357.8 18.82 3 925 763 24.0 18.0 69 6.0 19.8 150 3 303.8 306.5 295.7 346.0 14.18 4 874 1259 23.0 12.0 50 11.0 15.8 109 6 307.8 309.7 293.9 338.5 10.13 5 869 1310 22.8 11.8 50 11.0 15.6 105 6 308.1 310.0 294.0 338.6 10.05 6 850 1502 21.2 12.2 56 9.0 15.3 90 8 308.4 310.3 294.4 340.4 10.56 7 700 3156 11.4 4.4 62 7.0 7.3 70 3 315.1 316.6 294.0 338.7 7.51 8 673 3484 9.2 4.2 71 5.0 6.2 77 4 316.2 317.7 294.4 340.5 7.71 9 615 4229 6.8 -1.2 57 8.0 2.4 94 8 321.7 322.8 294.4 340.2 5.71 10 583 4666 3.0 -1.2 74 4.2 0.7 107 9 322.2 323.4 294.7 341.8 6.02 11 564 4934 2.6 -3.4 65 6.0 -0.6 116 10 324.8 325.9 294.8 342.2 5.28 12 532 5406 0.0 -5.0 69 5.0 -2.6 132 11 327.2 328.2 295.2 343.7 4.96 13 500 5900 -3.9 -7.4 77 3.5 -5.5 150 12 328.3 329.2 295.0 343.0 4.39 14 412 7405 -13.5 -14.6 91 1.1 -13.9 138 11 334.6 335.2 295.5 345.0 2.99 15 400 7630 -14.3 -17.3 78 3.0 -15.4 135 11 336.4 336.9 295.6 345.1 2.46 16 322 9233 -25.7 -28.6 77 2.9 -26.3 88 13 342.2 342.4 295.8 346.4 1.12 17 300 9740 -29.9 -31.5 86 1.6 -30.2 85 12 343.2 343.4 295.9 346.7 0.92 18 274 10378 -35.3 -36.3 91 1.0 -35.4 73 13 344.4 344.6 295.9 346.9 0.63 19 250 11010 -40.3 -42.5 79 2.2 -40.5 70 19 346.2 346.2 296.1 347.6 0.36 20 249 11037 -40.7 -42.9 79 2.2 -40.9 70 19 346.0 346.0 296.0 347.3 0.35 21 246 11120 -41.3 -47.3 52 6.0 -41.8 68 19 346.3 346.3 296.0 347.1 0.22 22 224 11753 -45.9 -57.9 25 12.0 -46.4 73 21 348.6 348.6 296.4 348.9 0.07 23 205 12339 -51.3 -57.3 49 6.0 -51.5 89 28 349.1 349.1 296.5 349.4 0.08 24 201 12468 -52.1 -65.1 20 13.0 -52.4 90 30 349.8 349.8 296.6 349.9 0.03 25 200 12500 -52.3 -64.3 22 12.0 -52.6 90 30 349.9 350.0 296.7 350.1 0.03 26 188 12896 -55.1 -76.1 6 21.0 -55.4 90 31 351.7 351.7 297.0 351.7 0.01 27 185 12999 -55.5 -76.5 6 21.0 -55.8 90 31 352.7 352.7 297.2 352.7 0.01 28 179 13208 -55.5 -78.5 4 23.0 -55.8 82 30 356.0 356.0 297.9 356.0 0.00 29 150 14310 -63.9 -82.9 6 19.0 -64.0 325 6 360.0 360.0 298.7 360.0 0.00 30 148 14392 -64.7 -82.7 7 18.0 -64.8 360 9 360.0 360.0 298.7 360.0 0.00 31 120 15639 -75.7 -84.7 23 9.0 -75.7 200 9 362.1 362.1 299.1 362.1 0.00 32 107 16291 -81.7 -84.9 58 3.2 -81.7 155 13 362.8 362.8 299.2 362.8 0.00 33 100 16670 -82.5 -87.5 42 5.0 -82.5 350 4 368.3 368.3 300.2 368.3 0.00 34 85 17563 -88.1 -92.1 47 4.0 -88.1 225 7 374.5 374.5 301.4 374.5 0.00 35 83 17692 -88.1 -91.9 49 3.8 -88.1 258 11 377.1 377.1 301.8 377.1 0.00 36 75 18252 -80.9 -90.9 17 10.0 -80.9 351 14 403.3 403.3 305.6 403.3 0.00 37 73 18406 -75.3 -89.3 9 14.0 -75.3 332 17 418.2 418.2 307.5 418.2 0.00 38 70 18650 -73.5 -92.5 4 19.0 -73.6 270 31 427.1 427.1 308.5 427.1 0.00 39 66 18999 -69.9 -92.9 2 23.0 -70.0 271 31 442.2 442.2 310.1 442.2 0.00 40 50 20660 -69.3 -91.3 3 22.0 -69.5 250 20 480.2 480.2 313.5 480.2 0.00 41 48 20904 -69.1 -91.1 3 22.0 -69.3 253 20 486.3 486.3 314.0 486.3 0.00 42 43 21567 -65.1 -91.1 2 26.0 -65.4 267 18 511.7 511.7 315.8 511.7 0.00 43 37 22478 -67.1 -92.1 2 25.0 -67.4 273 18 529.0 529.0 316.9 529.0 0.00 44 30 23770 -58.1 -90.1 1 32.0 -59.2 275 1 586.2 586.3 320.0 586.3 0.00 45 28 24206 -56.7 -89.7 1 33.0 -58.1 228 1 601.8 601.8 320.7 601.9 0.00 46 23 25437 -62.3 -91.3 1 29.0 -63.2 263 9 620.2 620.2 321.5 620.2 0.00 47 22 25713 -60.1 -91.1 1 31.0 -61.3 296 12 634.7 634.7 322.1 634.7 0.00 TRP 85 17563 -88.1 -92.1 47 4.0 -88.1 225 7 374.5 374.5 301.4 374.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5826.00 m Freezing level: 532.00 mb = 5405.63 m = 17734.78 ft Wetbulb zero: 572.34 mb = 4815.35 m = 15798.20 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 65.81 % Est. max temperature: 35.16 C = 95.28 F Sfc-Lift cond lev (LCL): 956.86 mb = 465.22 m = 1526.30 ft T: 24.72 C 700-500 lapse rate: 5.58 C/km ThetaE index: 19.29 C Layer 925.0- 869.0 mb Conv cond level (CCL): 807.08 mb = 1943.40 m = 6375.89 ft Mean mixing ratio: 16.91 g/kg Conv temperature: 36.94 C = 98.49 F Cap Strength: 3.68 C Lifted Index: -1.87 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.91 C Lifted Index @700 mb: 0.13 C Showalter Index: 2.70 C Risk: Showers probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 16.10 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 174.40 Risk: None Energy Index: 0.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 737.00 J/kg Max Up Vert Vel: 38.39 m/s Conv Inhibition (B-): 156.85 J/kg Cap Strength: 3.66 C Lift Cond Lev (LCL): 899.93 mb = 1003.48 m = 3292.21 ft Lev Free Conv (LFC): 694.93 mb = 3216.56 m = 10552.88 ft Equ Level (EL): 634.93 mb = 3965.26 m = 13009.24 ft B at Equ Level: 28.80 J/kg Max Parcel Lev (MPL): 104.93 mb = 16400.57 m = 53807.00 ft Wind level data Storm motion: 132 at 5 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 ---------------------------------------------------------- 0 999 85 220 2 1.3 1.5 | 291 6 5.2 -2.0 1 974 305 190 3 0.5 3.0 | 277 5 4.5 -0.6 2 941 610 140 4 -2.6 3.1 | 289 1 1.4 -0.5 3 925 763 150 3 -1.5 2.6 | 291 3 2.4 -0.9 4 909 914 135 2 -1.4 1.4 | 310 3 2.5 -2.1 5 850 1502 90 8 -8.0 0.0 | 49 5 -4.1 -3.5 6 789 2134 15 5 -1.3 -4.8 | 342 9 2.7 -8.4 7 762 2438 355 8 0.7 -8.0 | 338 12 4.6 -11.5 8 735 2743 25 10 -4.2 -9.1 | 1 13 -0.3 -12.6 9 700 3156 70 3 -2.8 -1.0 | 346 5 1.1 -4.6 10 611 4267 95 8 -8.0 0.7 | 55 5 -4.0 -2.8 11 507 5791 145 12 -6.9 9.8 | 155 7 -2.9 6.3 12 500 5900 150 12 -6.0 10.4 | 163 7 -2.1 6.9 13 488 6096 155 13 -5.5 11.8 | 169 8 -1.5 8.3 14 400 7630 135 11 -7.8 7.8 | 138 6 -3.8 4.3 15 369 8230 135 10 -7.1 7.1 | 139 5 -3.1 3.5 16 339 8839 90 13 -13.0 0.0 | 69 10 -9.1 -3.5 17 300 9740 85 12 -12.0 -1.0 | 60 9 -8.0 -4.6 18 287 10058 75 10 -9.7 -2.6 | 43 8 -5.7 -6.1 19 250 11010 70 19 -17.9 -6.5 | 54 17 -13.9 -10.0 20 229 11582 60 18 -15.6 -9.0 | 43 17 -11.6 -12.5 21 219 11887 85 24 -23.9 -2.1 | 74 21 -20.0 -5.6 22 200 12500 90 30 -30.0 0.0 | 82 26 -26.1 -3.5 23 182 13106 90 31 -31.0 0.0 | 83 27 -27.1 -3.5 24 157 14021 15 21 -5.4 -20.3 | 4 24 -1.5 -23.8 25 150 14310 325 6 3.4 -4.9 | 319 11 7.4 -8.4 26 150 14326 5 10 -0.9 -10.0 | 347 14 3.1 -13.5 27 142 14630 340 6 2.1 -5.6 | 327 11 6.0 -9.2 28 115 15850 165 10 -2.6 9.7 | 192 6 1.4 6.1 29 104 16459 150 14 -7.0 12.1 | 160 9 -3.1 8.6 30 100 16670 350 4 0.7 -3.9 | 328 9 4.6 -7.5 31 98 16764 50 3 -2.3 -1.9 | 343 6 1.6 -5.5 32 93 17069 10 4 -0.7 -3.9 | 336 8 3.3 -7.5 33 88 17374 260 16 15.8 2.8 | 272 20 19.7 -0.7 34 85 17563 225 7 4.9 4.9 | 261 9 8.9 1.4 35 83 17678 255 11 10.6 2.8 | 273 15 14.6 -0.7 36 75 18288 355 14 1.2 -13.9 | 344 18 5.2 -17.5 37 71 18593 300 20 17.3 -10.0 | 302 25 21.3 -13.5 38 70 18650 270 31 31.0 -0.0 | 276 35 34.9 -3.5 39 67 18898 280 32 31.5 -5.6 | 284 37 35.5 -9.1 40 64 19202 255 30 29.0 7.8 | 263 33 32.9 4.2 41 61 19507 260 27 26.6 4.7 | 268 31 30.5 1.2 42 58 19812 240 33 28.6 16.5 | 248 35 32.5 13.0 43 52 20422 235 22 18.0 12.6 | 248 24 22.0 9.1 44 50 20660 250 20 18.8 6.8 | 262 23 22.7 3.3 45 47 21031 255 20 19.3 5.2 | 266 23 23.3 1.7 46 45 21336 245 20 18.1 8.5 | 257 23 22.1 4.9 47 40 21946 300 15 13.0 -7.5 | 303 20 16.9 -11.0 48 37 22555 270 18 18.0 -0.0 | 279 22 21.9 -3.5 49 35 22860 285 18 17.4 -4.7 | 291 23 21.3 -8.2 50 33 23165 260 10 9.8 1.7 | 277 14 13.8 -1.8 51 32 23470 295 11 10.0 -4.6 | 300 16 13.9 -8.2 52 30 23770 275 1 1.0 -0.1 | 306 6 4.9 -3.6 53 26 24384 175 1 -0.1 1.0 | 303 5 3.9 -2.5 54 22 24994 285 11 10.6 -2.8 | 294 16 14.6 -6.4 55 18 25908 80 19 -18.7 -3.3 | 65 16 -14.8 -6.8 Wind Parameters Mean winds (0-6000m): 101.8 at 7.1 knts Storm direction: 131.8 at 5.3 knts Shear (0-3000m) pos: 1.2 neg: 1.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 66.8 deg Storm rel helicity (0-3000m) pos: 21.3 neg: -21.2 tot: 0.1 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 114.45 Bulk Shear: 6.44 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 ------------------------------------------------------------------------------- 500 178 3 277 4| 0.0 4.1 4.1| 0.2 -1.9 -1.7 -3.5 -0.25| 4.7 -1.2 1000 157 3 285 3| 0.0 2.3 2.3| 1.6 -1.9 -0.4 -0.4 0.12| 4.2 0.5 1500 122 4 341 1| 0.0 3.2 3.2| 2.9 -3.7 -0.8 -0.5 0.16| 5.1 0.8 2000 100 5 14 3| 0.0 1.8 1.8| 2.9 -16.6 -13.7 -6.8 -0.19| 5.6 -1.1 2500 71 5 10 5| 0.0 2.2 2.2| 9.6 -19.6 -10.0 -4.0 -0.12| 5.7 -0.7 3000 56 6 6 7| 1.2 1.8 3.1| 21.3 -21.2 0.1 0.0 -0.01| 6.5 -0.1 4000 65 5 10 6| 1.4 1.4 2.7| 26.6 -22.4 4.3 1.1 0.07| 5.6 0.4 5000 81 6 25 5| 1.6 1.1 2.7| 33.8 -22.4 11.5 2.3 0.18| 5.0 0.9 6000 102 7 55 4| 1.8 0.9 2.7| 44.2 -22.4 21.8 3.6 0.27| 4.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250416.00.gif