UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 19 APR 25 Station: SB099 WMO ident: 82099 Latitude: 0.05 Longitude: -51.07 ------------------------------------------------------------------------------- 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 1011 15 27.4 25.1 87 2.3 25.7 340 4 299.6 303.3 298.5 358.9 20.23 1 1000 111 26.2 24.7 91 1.5 25.1 15 5 299.4 303.0 298.2 357.8 19.96 2 977 317 24.2 24.2 100 0.0 24.2 41 11 299.3 302.9 298.2 357.3 19.82 3 925 797 21.6 20.7 95 0.9 21.0 70 13 301.4 304.5 296.8 351.0 16.84 4 922 825 21.4 20.6 95 0.8 20.8 72 13 301.5 304.6 296.8 350.9 16.79 5 850 1528 18.4 15.8 85 2.6 16.6 115 19 305.4 307.9 295.6 345.5 13.40 6 700 3171 10.0 6.7 80 3.3 8.0 85 19 313.6 315.2 294.6 341.0 8.83 7 663 3621 8.4 3.4 71 5.0 5.5 87 19 316.7 318.1 294.3 340.0 7.39 8 557 5041 0.2 -2.7 81 2.9 -1.3 95 19 323.2 324.3 294.7 341.5 5.64 9 543 5245 -0.5 -5.5 69 5.0 -3.0 99 19 324.7 325.6 294.3 340.1 4.68 10 519 5605 -2.9 -9.9 58 7.0 -6.0 98 18 326.0 326.7 293.7 337.7 3.47 11 505 5822 -4.7 -7.3 82 2.6 -6.0 89 19 326.4 327.2 294.6 341.0 4.38 12 500 5900 -5.1 -7.7 82 2.6 -6.3 100 21 326.8 327.7 294.6 341.1 4.29 13 488 6090 -6.3 -8.2 86 1.9 -7.2 100 21 327.6 328.5 294.7 341.8 4.23 14 465 6466 -8.1 -18.1 44 10.0 -11.6 103 20 329.9 330.3 293.5 336.8 1.98 15 457 6601 -8.9 -15.9 57 7.0 -11.5 104 20 330.6 331.1 294.1 339.0 2.42 16 453 6669 -9.1 -24.1 28 15.0 -13.6 105 20 331.2 331.4 293.2 335.5 1.20 17 443 6841 -10.5 -16.5 61 6.0 -12.7 102 20 331.5 332.0 294.3 339.8 2.38 18 435 6981 -11.3 -19.3 52 8.0 -14.0 99 20 332.2 332.6 294.1 339.0 1.91 19 413 7377 -13.7 -15.9 83 2.2 -14.5 90 20 334.1 334.7 295.1 343.5 2.68 20 400 7620 -14.9 -18.4 75 3.5 -16.1 85 20 335.6 336.1 295.2 343.6 2.24 21 330 9051 -24.7 -31.7 52 7.0 -26.1 97 23 341.1 341.3 295.3 344.2 0.82 22 323 9207 -25.5 -38.5 29 13.0 -27.6 95 22 342.1 342.2 295.2 343.8 0.42 23 315 9389 -26.7 -34.7 47 8.0 -28.1 95 19 342.9 343.1 295.6 345.4 0.64 24 307 9574 -27.7 -49.7 10 22.0 -30.0 95 17 344.1 344.1 295.4 344.6 0.13 25 300 9740 -29.3 -51.3 10 22.0 -31.4 95 14 344.1 344.1 295.4 344.6 0.11 26 287 10054 -31.7 -55.7 7 24.0 -33.6 90 14 345.0 345.1 295.6 345.3 0.07 27 250 11010 -39.7 -47.7 42 8.0 -40.4 105 17 347.0 347.1 296.1 347.9 0.21 28 249 11037 -39.9 -46.9 47 7.0 -40.5 105 17 347.1 347.2 296.2 348.1 0.23 29 232 11517 -43.3 -54.3 29 11.0 -43.9 113 12 349.1 349.1 296.5 349.5 0.10 30 212 12118 -48.3 -56.3 39 8.0 -48.6 158 6 350.4 350.4 296.8 350.8 0.09 31 208 12243 -48.7 -66.7 11 18.0 -49.2 169 5 351.7 351.7 297.0 351.8 0.02 32 200 12500 -50.9 -62.9 23 12.0 -51.2 190 7 352.2 352.2 297.1 352.3 0.04 33 192 12765 -52.7 -65.7 19 13.0 -53.0 210 8 353.4 353.4 297.4 353.5 0.03 34 157 14032 -64.1 -73.1 28 9.0 -64.2 199 11 355.0 355.0 297.7 355.1 0.01 35 150 14310 -66.7 -71.7 49 5.0 -66.7 175 11 355.2 355.2 297.7 355.3 0.02 36 149 14350 -67.1 -71.9 51 4.8 -67.1 174 11 355.2 355.2 297.7 355.2 0.02 37 115 15864 -78.5 -87.5 22 9.0 -78.5 259 7 361.3 361.3 299.0 361.3 0.00 38 100 16650 -82.5 -88.5 35 6.0 -82.5 135 6 368.3 368.3 300.2 368.3 0.00 39 91 17173 -85.5 -90.5 40 5.0 -85.5 115 20 372.4 372.4 301.0 372.5 0.00 40 86 17486 -82.7 -90.7 24 8.0 -82.7 109 20 384.2 384.2 302.9 384.2 0.00 41 84 17619 -77.5 -87.5 19 10.0 -77.5 106 20 397.3 397.3 304.8 397.3 0.00 42 79 17973 -75.5 -88.5 11 13.0 -75.6 31 10 408.5 408.5 306.3 408.5 0.00 43 73 18429 -77.5 -89.5 13 12.0 -77.6 308 19 413.6 413.6 306.9 413.6 0.00 44 70 18670 -76.3 -89.3 11 13.0 -76.3 300 9 421.2 421.2 307.9 421.2 0.00 45 66 19013 -71.7 -89.7 5 18.0 -71.8 273 13 438.3 438.3 309.7 438.3 0.00 46 57 19878 -71.1 -90.1 4 19.0 -71.2 229 31 458.4 458.4 311.6 458.4 0.00 47 50 20660 -67.1 -90.1 2 23.0 -67.3 250 31 485.4 485.4 313.9 485.4 0.00 48 43 21576 -64.3 -90.3 2 26.0 -64.7 265 22 513.6 513.6 315.9 513.7 0.00 TRP 91 17173 -85.5 -90.5 40 5.0 -85.5 115 20 372.4 372.4 301.0 372.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 553.00 mb = 5099.34 m = 16729.91 ft Wetbulb zero: 577.71 mb = 4743.57 m = 15562.69 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 80.90 % Est. max temperature: 32.60 C = 90.68 F Sfc-Lift cond lev (LCL): 978.32 mb = 304.99 m = 1000.62 ft T: 24.32 C 700-500 lapse rate: 5.53 C/km ThetaE index: 18.90 C Layer 1000.0- 557.0 mb Conv cond level (CCL): 946.53 mb = 595.02 m = 1952.14 ft Mean mixing ratio: 18.61 g/kg Conv temperature: 28.32 C = 82.97 F Cap Strength: 0.12 C Lifted Index: -3.83 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.54 C Lifted Index @700 mb: -1.91 C Showalter Index: -0.49 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.90 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 248.60 Risk: None Energy Index: -0.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1254.06 J/kg Max Up Vert Vel: 50.08 m/s Conv Inhibition (B-): 0.10 J/kg Cap Strength: 0.12 C Lift Cond Lev (LCL): 950.93 mb = 554.28 m = 1818.50 ft Lev Free Conv (LFC): 935.93 mb = 693.85 m = 2276.38 ft Equ Level (EL): 155.93 mb = 14073.68 m = 46172.93 ft B at Equ Level: 1251.35 J/kg Max Parcel Lev (MPL): 75.93 mb = 18201.42 m = 59715.22 ft Wind level data Storm motion: 122 at 13 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 1011 15 340 4 1.4 -3.8 | 311 17 12.5 -10.8 1 1000 111 15 5 -1.3 -4.8 | 320 15 9.9 -11.9 2 978 305 40 11 -7.1 -8.4 | 345 16 4.1 -15.5 3 945 610 60 12 -10.4 -6.0 | 357 13 0.8 -13.1 4 925 797 70 13 -12.2 -4.4 | 5 12 -1.0 -11.5 5 913 914 80 13 -12.8 -2.3 | 10 9 -1.6 -9.3 6 850 1524 115 19 -17.2 8.0 | 99 6 -6.1 1.0 7 850 1528 115 19 -17.2 8.0 | 99 6 -6.1 1.0 8 791 2134 110 20 -18.8 6.8 | 88 8 -7.6 -0.2 9 763 2438 100 18 -17.7 3.1 | 59 8 -6.6 -3.9 10 710 3048 85 19 -18.9 -1.7 | 42 12 -7.8 -8.7 11 700 3171 85 19 -18.9 -1.7 | 42 12 -7.8 -8.7 12 612 4267 90 20 -20.0 0.0 | 51 11 -8.8 -7.1 13 589 4572 85 20 -19.9 -1.7 | 45 12 -8.8 -8.8 14 526 5486 105 18 -17.4 4.7 | 69 7 -6.2 -2.4 15 507 5791 85 18 -17.9 -1.6 | 38 11 -6.8 -8.6 16 500 5900 100 21 -20.7 3.6 | 70 10 -9.5 -3.4 17 487 6096 100 21 -20.7 3.6 | 70 10 -9.5 -3.4 18 450 6706 105 20 -19.3 5.2 | 77 8 -8.1 -1.9 19 400 7620 85 20 -19.9 -1.7 | 45 12 -8.8 -8.8 20 400 7620 85 20 -19.9 -1.7 | 45 12 -8.8 -8.8 21 368 8230 100 21 -20.7 3.6 | 70 10 -9.5 -3.4 22 353 8534 105 21 -20.3 5.4 | 80 9 -9.1 -1.6 23 325 9144 95 23 -22.9 2.0 | 67 13 -11.7 -5.1 24 300 9740 95 14 -13.9 1.2 | 25 6 -2.8 -5.8 25 287 10058 90 14 -14.0 0.0 | 22 8 -2.8 -7.1 26 274 10363 110 14 -13.2 4.8 | 41 3 -2.0 -2.3 27 250 11010 105 17 -16.4 4.4 | 63 6 -5.3 -2.7 28 240 11278 105 17 -16.4 4.4 | 63 6 -5.3 -2.7 29 229 11582 115 10 -9.1 4.2 | 323 4 2.1 -2.8 30 209 12192 165 5 -1.3 4.8 | 283 10 9.9 -2.2 31 200 12500 190 7 1.2 6.9 | 271 12 12.4 -0.2 32 173 13411 260 10 9.8 1.7 | 284 22 21.0 -5.3 33 165 13716 225 12 8.5 8.5 | 266 20 19.7 1.4 34 150 14310 175 11 -1.0 11.0 | 249 11 10.2 3.9 35 135 14935 165 15 -3.9 14.5 | 224 10 7.3 7.4 36 128 15240 155 13 -5.5 11.8 | 230 7 5.7 4.7 37 121 15545 230 3 2.3 1.9 | 291 14 13.5 -5.1 38 109 16154 290 12 11.3 -4.1 | 296 25 22.4 -11.2 39 100 16650 135 6 -4.2 4.2 | 292 7 6.9 -2.8 40 98 16764 280 11 10.8 -1.9 | 292 24 22.0 -9.0 41 93 17069 130 10 -7.7 6.4 | 280 4 3.5 -0.6 42 91 17173 115 20 -18.1 8.5 | 101 7 -7.0 1.4 43 83 17678 105 20 -19.3 5.2 | 77 8 -8.1 -1.9 44 79 17983 30 10 -5.0 -8.7 | 339 17 6.2 -15.7 45 75 18288 315 15 10.6 -10.6 | 309 28 21.8 -17.7 46 71 18593 300 24 20.8 -12.0 | 301 37 32.0 -19.1 47 70 18670 300 9 7.8 -4.5 | 301 22 19.0 -11.6 48 67 18898 305 11 9.0 -6.3 | 304 24 20.2 -13.4 49 64 19202 225 16 11.3 11.3 | 259 23 22.5 4.2 50 61 19507 210 24 12.0 20.8 | 239 27 23.2 13.7 51 55 20117 240 35 30.3 17.5 | 256 43 41.5 10.4 52 52 20422 265 30 29.9 2.6 | 276 41 41.1 -4.5 53 50 20660 250 31 29.1 10.6 | 265 40 40.3 3.5 54 46 21031 250 27 25.4 9.2 | 267 37 36.5 2.2 55 38 21946 290 13 12.2 -4.4 | 296 26 23.4 -11.5 Wind Parameters Mean winds (0-6000m): 92.3 at 17.6 knts Storm direction: 122.3 at 13.2 knts Shear (0-3000m) pos: 3.8 neg: 1.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 91.6 deg Storm rel helicity (0-3000m) pos: 78.9 neg: -16.6 tot: 62.3 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 3.1 10^-3/s Energy-Hel index: 0.62 Bulk Rich Number: 45.21 Bulk Shear: 27.74 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 37 9 337 15| 11.6 0.0 11.6| 48.0 0.0 48.0 96.1 0.92| 12.9 11.9 1000 57 11 350 13| 8.0 0.0 8.0| 62.9 0.0 62.9 62.9 0.82| 10.4 8.5 1500 78 13 7 10| 7.5 0.0 7.5| 78.9 0.0 78.9 52.6 0.86| 10.2 8.8 2000 91 14 25 8| 5.6 0.4 6.0| 78.9 -1.5 77.4 38.7 0.79| 8.1 6.4 2500 95 15 36 7| 4.5 1.1 5.6| 78.9 -10.5 68.4 27.4 0.56| 7.4 4.2 3000 94 16 38 8| 3.8 1.6 5.4| 78.9 -16.6 62.3 20.8 0.45| 6.9 3.1 4000 92 17 41 9| 3.0 1.2 4.2| 83.4 -17.0 66.4 16.6 0.46| 5.4 2.5 5000 91 17 43 9| 2.5 1.1 3.6| 89.4 -20.4 69.0 13.8 0.43| 4.8 2.1 6000 92 18 45 9| 2.1 1.0 3.1|105.6 -27.3 78.3 13.1 0.39| 5.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20250419.12.gif