UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 19 APR 25 Station: SBNT WMO ident: 82599 Latitude: -5.92 Longitude: -35.25 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1008 52 27.2 22.6 76 4.6 23.9 140 3 299.7 302.8 296.7 350.5 17.38 1 1000 107 27.4 22.4 74 5.0 23.8 135 9 300.5 303.7 296.9 351.3 17.30 2 925 794 21.8 19.3 86 2.5 20.1 105 18 301.6 304.4 296.0 347.0 15.41 3 850 1524 16.6 15.9 96 0.7 16.1 100 17 303.5 306.0 295.2 343.6 13.49 4 844 1585 18.4 10.4 60 8.0 13.3 100 17 306.0 307.8 292.9 334.4 9.42 5 812 1916 18.2 5.2 42 13.0 10.5 100 14 309.2 310.5 291.8 330.3 6.84 6 743 2672 14.2 5.2 55 9.0 8.8 89 12 312.8 314.3 293.3 336.1 7.49 7 714 3007 12.4 -7.6 24 20.0 3.0 116 11 314.4 315.0 290.0 324.2 3.02 8 713 3019 12.4 -7.6 24 20.0 3.0 117 11 314.6 315.1 290.0 324.3 3.03 9 700 3173 10.8 -1.2 43 12.0 4.4 130 9 314.4 315.4 291.8 330.3 5.01 10 685 3354 9.2 2.2 62 7.0 5.2 125 7 314.6 315.9 293.1 335.2 6.56 11 671 3525 8.6 -7.4 31 16.0 1.1 117 9 315.8 316.4 290.7 326.4 3.27 12 644 3865 7.0 2.8 75 4.2 4.6 100 12 317.7 319.1 294.5 340.9 7.29 13 626 4098 5.6 2.0 78 3.6 3.5 89 14 318.7 320.1 294.6 341.3 7.08 14 582 4694 3.8 -14.2 25 18.0 -3.6 107 16 323.3 323.8 291.9 330.7 2.19 15 538 5328 -1.3 -6.3 69 5.0 -3.7 86 18 324.6 325.5 294.1 339.3 4.44 16 532 5418 -1.5 -11.5 46 10.0 -5.8 83 19 325.4 326.0 293.2 335.4 2.98 17 522 5569 -2.9 -7.9 68 5.0 -5.3 80 19 325.5 326.3 294.0 338.9 4.04 18 510 5753 -4.1 -10.1 63 6.0 -6.7 80 17 326.2 326.9 293.8 337.9 3.48 19 500 5910 -4.3 -23.3 21 19.0 -10.3 110 20 327.8 328.0 292.2 331.9 1.17 20 490 6069 -4.3 -44.3 3 40.0 -12.1 118 22 329.7 329.7 291.8 330.3 0.15 21 484 6166 -4.9 -43.9 3 39.0 -12.5 120 21 330.1 330.2 291.9 330.8 0.16 22 423 7205 -13.5 -31.5 20 18.0 -17.7 100 17 332.1 332.2 292.9 334.5 0.65 23 407 7498 -13.1 -40.1 8 27.0 -18.2 90 26 336.3 336.3 293.7 337.4 0.29 24 400 7630 -14.1 -37.1 12 23.0 -18.8 90 30 336.7 336.7 293.9 338.2 0.40 25 345 8736 -21.1 -58.1 2 37.0 -24.9 98 33 341.7 341.7 294.8 341.9 0.04 26 300 9750 -28.9 -61.9 3 33.0 -31.3 95 21 344.6 344.7 295.4 344.8 0.03 27 250 11020 -39.5 -56.5 15 17.0 -40.5 240 2 347.3 347.4 296.1 347.7 0.07 28 234 11470 -42.7 -61.7 11 19.0 -43.5 216 4 349.1 349.1 296.5 349.3 0.04 29 211 12160 -48.7 -56.7 39 8.0 -49.0 290 9 350.2 350.3 296.8 350.6 0.08 30 200 12510 -51.9 -61.9 29 10.0 -52.2 310 8 350.6 350.6 296.8 350.8 0.05 31 179 13219 -58.1 -69.1 23 11.0 -58.3 310 13 351.7 351.7 297.0 351.8 0.02 32 169 13579 -61.1 -66.1 51 5.0 -61.2 292 11 352.6 352.6 297.2 352.7 0.03 33 158 13994 -64.5 -74.5 24 10.0 -64.6 271 9 353.7 353.7 297.4 353.7 0.01 34 150 14310 -67.1 -75.1 31 8.0 -67.2 255 8 354.5 354.5 297.6 354.5 0.01 35 149 14350 -67.7 -74.7 36 7.0 -67.8 258 8 354.1 354.1 297.5 354.2 0.01 36 129 15208 -72.3 -84.3 15 12.0 -72.3 270 12 360.8 360.8 298.8 360.8 0.00 37 100 16670 -82.1 -87.1 42 5.0 -82.1 90 6 369.1 369.1 300.4 369.1 0.00 38 91 17191 -84.7 -89.4 43 4.7 -84.7 105 10 374.0 374.0 301.2 374.0 0.00 39 87 17438 -83.5 -90.5 28 7.0 -83.5 123 12 381.3 381.3 302.5 381.3 0.00 40 86 17502 -80.3 -89.3 21 9.0 -80.3 149 12 389.0 389.0 303.6 389.0 0.00 41 79 17980 -79.5 -92.5 10 13.0 -79.5 171 20 400.2 400.2 305.2 400.2 0.00 42 78 18053 -73.3 -88.3 8 15.0 -73.3 210 17 414.5 414.5 307.0 414.5 0.00 43 77 18128 -73.1 -88.1 8 15.0 -73.2 249 15 416.5 416.5 307.3 416.5 0.00 44 70 18680 -75.9 -89.9 9 14.0 -75.9 250 25 422.0 422.0 307.9 422.0 0.00 45 66 19020 -77.3 -91.3 9 14.0 -77.3 254 25 426.1 426.1 308.4 426.1 0.00 46 58 19777 -70.7 -90.7 4 20.0 -70.8 275 18 457.1 457.1 311.5 457.1 0.00 47 52 20427 -71.3 -91.3 4 20.0 -71.4 236 21 470.2 470.2 312.7 470.2 0.00 48 50 20660 -70.1 -91.1 3 21.0 -70.2 270 11 478.3 478.3 313.3 478.3 0.00 49 45 21295 -64.5 -91.5 1 27.0 -64.8 241 9 506.5 506.5 315.4 506.5 0.00 50 42 21716 -65.9 -90.9 2 25.0 -66.2 180 8 513.2 513.2 315.8 513.2 0.00 51 36 22663 -60.5 -90.5 1 30.0 -61.2 75 13 550.3 550.3 318.1 550.3 0.00 52 33 23207 -59.3 -90.3 1 31.0 -60.2 47 14 567.3 567.3 319.0 567.3 0.00 TRP 91 17191 -84.7 -89.4 43 4.7 -84.7 105 10 374.0 374.0 301.2 374.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 549.22 mb = 5166.38 m = 16949.87 ft Wetbulb zero: 604.06 mb = 4389.47 m = 14400.96 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 59.22 % Est. max temperature: 30.87 C = 87.56 F Sfc-Lift cond lev (LCL): 943.08 mb = 623.40 m = 2045.26 ft T: 23.19 C 700-500 lapse rate: 5.52 C/km ThetaE index: 21.06 C Layer 925.0- 743.0 mb Conv cond level (CCL): 891.60 mb = 1111.48 m = 3646.55 ft Mean mixing ratio: 16.22 g/kg Conv temperature: 29.99 C = 85.99 F Cap Strength: 2.36 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.08 C Lifted Index @700 mb: 0.53 C Showalter Index: 1.04 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.20 C K Index: 24.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 244.80 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 128.65 J/kg Max Up Vert Vel: 16.04 m/s Conv Inhibition (B-): 7.46 J/kg Cap Strength: 2.37 C Lift Cond Lev (LCL): 909.02 mb = 944.49 m = 3098.69 ft Lev Free Conv (LFC): 874.02 mb = 1283.46 m = 4210.78 ft Equ Level (EL): 844.02 mb = 1584.42 m = 5198.17 ft B at Equ Level: 5.64 J/kg Max Parcel Lev (MPL): 824.02 mb = 1790.05 m = 5872.81 ft Wind level data Storm motion: 130 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 1008 52 140 3 -1.9 2.3 | 306 8 6.7 -5.0 1 1000 107 135 9 -6.4 6.4 | 291 2 2.3 -0.9 2 978 305 135 14 -9.9 9.9 | 155 3 -1.2 2.6 3 945 610 115 17 -15.4 7.2 | 89 7 -6.7 -0.1 4 925 794 105 18 -17.4 4.7 | 73 9 -8.7 -2.6 5 912 914 105 20 -19.3 5.2 | 79 11 -10.6 -2.1 6 881 1219 95 24 -23.9 2.1 | 71 16 -15.2 -5.2 7 850 1524 100 17 -16.7 3.0 | 62 9 -8.1 -4.3 8 791 2134 100 13 -12.8 2.3 | 40 6 -4.1 -5.0 9 763 2438 85 13 -13.0 -1.1 | 27 9 -4.3 -8.4 10 736 2743 90 12 -12.0 0.0 | 25 8 -3.3 -7.3 11 710 3048 120 11 -9.5 5.5 | 26 2 -0.9 -1.8 12 700 3173 130 9 -6.9 5.8 | 310 2 1.8 -1.5 13 685 3353 125 7 -5.7 4.0 | 318 4 2.9 -3.2 14 635 3962 95 13 -13.0 1.1 | 35 7 -4.3 -6.1 15 612 4267 80 15 -14.8 -2.6 | 32 12 -6.1 -9.9 16 589 4572 110 16 -15.0 5.5 | 74 7 -6.4 -1.8 17 527 5486 80 19 -18.7 -3.3 | 44 15 -10.0 -10.6 18 507 5791 80 17 -16.7 -3.0 | 38 13 -8.1 -10.2 19 500 5910 110 20 -18.8 6.8 | 88 10 -10.1 -0.4 20 488 6096 120 22 -19.1 11.0 | 110 11 -10.4 3.7 21 433 7010 115 12 -10.9 5.1 | 45 3 -2.2 -2.2 22 417 7315 90 20 -20.0 0.0 | 57 13 -11.3 -7.3 23 400 7630 90 30 -30.0 0.0 | 71 23 -21.3 -7.3 24 369 8230 100 39 -38.4 6.8 | 89 30 -29.7 -0.5 25 300 9750 95 21 -20.9 1.8 | 66 13 -12.2 -5.4 26 300 9754 90 23 -23.0 0.0 | 63 16 -14.3 -7.3 27 287 10058 105 17 -16.4 4.4 | 70 8 -7.8 -2.9 28 275 10363 85 14 -13.9 -1.2 | 32 10 -5.3 -8.5 29 250 11020 240 2 1.7 1.0 | 301 12 10.4 -6.3 30 241 11278 190 1 0.2 1.0 | 305 11 8.8 -6.3 31 220 11887 275 10 10.0 -0.9 | 294 20 18.6 -8.1 32 200 12510 310 8 6.1 -5.1 | 310 19 14.8 -12.4 33 191 12802 305 10 8.2 -5.7 | 308 21 16.9 -13.0 34 182 13106 315 13 9.2 -9.2 | 313 24 17.9 -16.5 35 150 14310 255 8 7.7 2.1 | 288 17 16.4 -5.2 36 142 14630 280 10 9.8 -1.7 | 296 21 18.5 -9.0 37 135 14935 285 13 12.6 -3.4 | 297 24 21.2 -10.6 38 121 15545 250 10 9.4 3.4 | 282 18 18.1 -3.8 39 100 16670 90 6 -6.0 0.0 | 340 8 2.7 -7.3 40 98 16764 90 6 -6.0 0.0 | 340 8 2.7 -7.3 41 91 17191 105 10 -9.7 2.6 | 12 5 -1.0 -4.7 42 88 17374 95 13 -13.0 1.1 | 35 7 -4.3 -6.1 43 84 17678 215 10 5.7 8.2 | 266 14 14.4 0.9 44 79 17983 165 20 -5.2 19.3 | 196 13 3.5 12.1 45 75 18288 330 10 5.0 -8.7 | 319 21 13.7 -15.9 46 71 18593 265 20 19.9 1.7 | 281 29 28.6 -5.5 47 70 18680 250 25 23.5 8.6 | 268 32 32.2 1.3 48 67 18898 250 28 26.3 9.6 | 266 35 35.0 2.3 49 61 19507 270 13 13.0 -0.0 | 289 23 21.7 -7.3 50 58 19812 275 18 17.9 -1.6 | 288 28 26.6 -8.8 51 55 20117 230 18 13.8 11.6 | 259 23 22.5 4.3 52 52 20422 235 21 17.2 12.0 | 260 26 25.9 4.8 53 50 20660 270 11 11.0 -0.0 | 290 21 19.7 -7.3 54 49 20726 270 13 13.0 -0.0 | 289 23 21.7 -7.3 55 46 21031 275 12 12.0 -1.0 | 292 22 20.6 -8.3 56 43 21336 200 5 1.7 4.7 | 284 11 10.4 -2.6 57 41 21641 165 10 -2.6 9.7 | 248 7 6.1 2.4 58 36 22250 75 13 -12.6 -3.4 | 20 11 -3.9 -10.6 59 34 22555 65 13 -11.8 -5.5 | 14 13 -3.1 -12.8 60 32 22860 20 15 -5.1 -14.1 | 351 22 3.5 -21.4 61 30 23165 330 26 13.0 -22.5 | 324 37 21.7 -29.8 62 28 23470 330 23 11.5 -19.9 | 323 34 20.2 -27.2 Wind Parameters Mean winds (0-6000m): 99.9 at 15.1 knts Storm direction: 129.9 at 11.3 knts Shear (0-3000m) pos: 1.2 neg: 1.9 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 1.8 neg: -33.8 tot: -31.9 m^2/s^2 ave: -10.6 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.96 Bulk Shear: 7.58 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 ------------------------------------------------------------------------------- 500 130 13 131 1| 0.0 14.1 14.1| 0.0 -6.7 -6.7 -13.3 -0.62| 16.9-10.5 1000 116 16 86 5| 0.0 10.1 10.1| 0.9 -13.1 -12.2 -12.2 -0.52| 12.8 -6.7 1500 108 17 78 8| 0.0 5.0 5.0| 0.9 -23.5 -22.6 -15.1 -0.47| 11.7 -5.5 2000 107 17 72 8| 0.0 2.9 2.9| 0.9 -28.4 -27.5 -13.7 -0.49| 9.6 -4.7 2500 104 16 64 8| 0.0 2.3 2.3| 0.9 -33.1 -32.2 -12.9 -0.50| 8.5 -4.3 3000 103 15 59 7| 1.2 1.9 3.1| 1.8 -33.8 -31.9 -10.6 -0.43| 8.3 -3.5 4000 104 14 52 6| 0.9 2.2 3.1| 8.2 -34.8 -26.6 -6.6 -0.28| 8.0 -2.2 5000 103 14 52 7| 1.1 2.2 3.3| 22.3 -41.4 -19.0 -3.8 -0.18| 7.9 -1.4 6000 100 15 53 8| 2.1 2.1 4.2| 59.0 -54.5 4.6 0.8 -0.05| 8.3 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250419.00.gif