UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for SB107... Searching the city database file for: SB107 ... Date:0000Z 25 APR 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 78 230 4 SFC 997 104 24.8 24.5 98 0.3 24.6 230 4 298.2 301.8 297.8 355.8 19.77 2 975 301 24.0 23.0 94 1.0 23.3 191 4 299.3 302.7 297.3 353.2 18.44 3 963 410 25.6 20.7 74 4.9 22.1 166 5 302.0 305.0 296.5 349.7 16.16 4 942 604 25.6 18.6 65 7.0 20.7 121 8 303.9 306.6 296.0 346.9 14.46 5 925 765 25.0 18.0 65 7.0 20.1 105 7 304.9 307.5 296.0 347.2 14.18 6 850 1505 20.8 14.8 69 6.0 16.7 85 9 307.9 310.3 295.7 345.9 12.55 7 839 1618 21.2 12.2 56 9.0 15.3 88 11 309.5 311.5 294.8 342.1 10.70 8 805 1977 20.2 11.2 56 9.0 14.3 88 16 312.1 314.1 295.3 344.3 10.44 9 700 3167 11.4 8.0 80 3.4 9.3 50 16 315.1 317.0 295.6 345.3 9.67 10 670 3533 8.4 6.5 88 1.9 7.2 50 15 315.7 317.5 295.3 344.2 9.11 11 541 5274 -1.9 -2.8 94 0.9 -2.4 74 12 323.4 324.5 294.8 342.2 5.76 12 505 5821 -4.7 -4.7 100 0.0 -4.7 68 14 326.4 327.4 295.3 344.1 5.35 13 500 5900 -5.3 -5.3 100 0.0 -5.3 75 16 326.6 327.6 295.2 343.7 5.16 14 457 6600 -8.5 -12.4 73 3.9 -10.1 71 17 331.1 331.7 294.8 342.2 3.23 15 451 6702 -9.5 -10.8 90 1.3 -10.1 70 17 331.1 331.8 295.2 343.8 3.72 16 435 6980 -10.1 -18.1 52 8.0 -13.0 81 15 333.8 334.2 294.6 341.2 2.11 17 430 7069 -10.9 -13.6 80 2.7 -12.0 85 15 333.8 334.5 295.4 344.7 3.11 18 418 7286 -12.3 -14.5 84 2.2 -13.2 94 13 334.8 335.4 295.6 345.1 2.98 19 412 7396 -12.9 -18.9 61 6.0 -15.0 92 12 335.4 335.8 295.0 342.8 2.09 20 400 7620 -14.7 -17.8 77 3.1 -15.8 85 11 335.9 336.4 295.3 344.2 2.36 21 397 7677 -15.1 -17.9 79 2.8 -16.1 87 11 336.1 336.6 295.4 344.4 2.36 22 388 7850 -15.5 -24.5 46 9.0 -18.1 92 12 337.8 338.1 295.0 342.7 1.35 23 381 7987 -16.5 -26.5 42 10.0 -19.2 97 13 338.2 338.5 294.9 342.5 1.15 24 378 8046 -16.9 -22.9 60 6.0 -18.7 99 14 338.5 338.8 295.3 344.3 1.60 25 376 8086 -17.1 -28.1 38 11.0 -19.9 100 14 338.7 338.9 294.9 342.4 1.01 26 368 8247 -17.9 -31.9 28 14.0 -21.1 105 15 339.7 339.9 294.9 342.5 0.72 27 348 8662 -21.1 -30.1 44 9.0 -23.1 98 12 340.9 341.1 295.3 344.3 0.90 28 342 8790 -21.9 -37.9 22 16.0 -24.7 96 11 341.5 341.6 295.1 343.2 0.43 29 333 8985 -23.5 -34.5 36 11.0 -25.6 97 11 341.9 342.0 295.3 344.3 0.62 30 329 9073 -24.1 -28.8 65 4.7 -25.2 99 11 342.3 342.5 295.8 346.3 1.08 31 327 9118 -24.3 -37.3 29 13.0 -26.5 99 11 342.6 342.7 295.4 344.4 0.47 32 320 9275 -25.5 -28.0 80 2.5 -26.1 102 11 343.1 343.3 296.1 347.5 1.19 33 316 9366 -25.9 -34.9 43 9.0 -27.5 104 10 343.7 343.9 295.8 346.2 0.62 34 308 9551 -27.1 -44.1 18 17.0 -29.3 107 10 344.6 344.6 295.7 345.6 0.25 35 304 9645 -27.9 -36.9 42 9.0 -29.4 108 10 344.8 344.9 295.9 346.8 0.53 36 300 9740 -28.5 -36.5 46 8.0 -29.8 110 10 345.2 345.3 296.1 347.4 0.56 37 294 9884 -29.5 -36.5 51 7.0 -30.6 112 10 345.8 345.9 296.2 348.0 0.57 38 288 10031 -30.5 -41.5 33 11.0 -32.0 115 11 346.4 346.5 296.1 347.8 0.35 39 276 10332 -32.9 -38.9 55 6.0 -33.7 106 15 347.2 347.3 296.4 349.1 0.48 40 265 10617 -35.5 -41.5 54 6.0 -36.2 113 17 347.4 347.5 296.4 349.0 0.38 41 258 10803 -36.7 -48.7 28 12.0 -37.7 102 15 348.4 348.4 296.4 349.1 0.18 42 256 10857 -37.1 -43.1 54 6.0 -37.7 97 14 348.5 348.6 296.6 349.9 0.33 43 250 11020 -38.5 -43.5 59 5.0 -39.0 80 16 348.8 348.9 296.7 350.1 0.33 44 248 11075 -38.9 -48.9 34 10.0 -39.7 80 15 349.0 349.1 296.6 349.8 0.18 45 244 11187 -39.9 -52.9 24 13.0 -40.8 79 14 349.2 349.2 296.5 349.7 0.12 46 238 11357 -41.3 -49.3 42 8.0 -41.9 77 12 349.5 349.6 296.7 350.3 0.18 47 235 11444 -41.7 -56.7 18 15.0 -42.5 76 12 350.2 350.2 296.7 350.5 0.08 48 231 11561 -42.5 -45.6 72 3.1 -42.8 75 10 350.7 350.8 297.0 351.9 0.28 49 224 11769 -44.1 -51.1 46 7.0 -44.5 76 9 351.4 351.4 297.1 352.0 0.16 50 200 12520 -51.1 -57.1 49 6.0 -51.3 80 3 351.8 351.9 297.1 352.2 0.08 51 179 13226 -57.7 -62.3 56 4.6 -57.8 126 8 352.4 352.4 297.2 352.6 0.05 52 168 13620 -61.5 -66.5 51 5.0 -61.6 140 11 352.5 352.5 297.2 352.6 0.03 53 150 14310 -66.9 -73.9 37 7.0 -67.0 275 3 354.8 354.8 297.7 354.9 0.01 54 135 14944 -71.1 -79.1 30 8.0 -71.1 272 12 358.2 358.2 298.4 358.3 0.01 55 112 16030 -79.9 -83.4 56 3.5 -79.9 232 23 361.4 361.4 299.0 361.5 0.00 56 100 16670 -82.7 -87.4 44 4.7 -82.7 190 22 367.9 367.9 300.2 368.0 0.00 57 96 16896 -83.7 -88.7 41 5.0 -83.7 175 24 370.3 370.3 300.6 370.3 0.00 58 70 18680 -75.7 -90.7 8 15.0 -75.7 265 16 422.4 422.4 308.0 422.4 0.00 59 50 20670 -67.9 -90.9 2 23.0 -68.1 270 31 483.5 483.5 313.7 483.5 0.00 TRP 96 16896 -83.7 -88.7 41 5.0 -83.7 175 24 370.3 370.3 300.6 370.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 564.80 mb = 4952.99 m = 16249.77 ft Wetbulb zero: 572.98 mb = 4806.48 m = 15769.09 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 79.57 % Est. max temperature: 34.95 C = 94.90 F Sfc-Lift cond lev (LCL): 993.13 mb = 138.63 m = 454.83 ft T: 24.66 C 700-500 lapse rate: 6.11 C/km ThetaE index: 8.89 C Layer 975.0- 925.0 mb Conv cond level (CCL): 759.37 mb = 2473.58 m = 8115.31 ft Mean mixing ratio: 15.76 g/kg Conv temperature: 39.98 C = 103.97 F Cap Strength: 4.56 C Lifted Index: -2.16 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.19 C Lifted Index @700 mb: 0.95 C Showalter Index: -0.84 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 20.10 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 211.60 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 290.57 J/kg Max Up Vert Vel: 24.11 m/s Conv Inhibition (B-): 265.87 J/kg Cap Strength: 4.48 C Lift Cond Lev (LCL): 881.99 mb = 1181.70 m = 3876.92 ft Lev Free Conv (LFC): 676.99 mb = 3445.96 m = 11305.50 ft Equ Level (EL): 306.99 mb = 9574.72 m = 31412.75 ft B at Equ Level: 290.35 J/kg Max Parcel Lev (MPL): 156.99 mb = 14032.90 m = 46039.13 ft Wind level data Storm motion: 99 at 10 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 ---------------------------------------------------------- 0 997 104 230 4 3.1 2.6 | 265 13 12.9 1.0 1 975 305 190 4 0.7 3.9 | 257 11 10.6 2.4 2 941 610 120 8 -6.9 4.0 | 230 4 2.9 2.4 3 925 765 105 7 -6.8 1.8 | 265 3 3.1 0.3 4 909 914 110 9 -8.5 3.1 | 223 2 1.4 1.5 5 850 1505 85 9 -9.0 -0.8 | 339 3 0.9 -2.3 6 848 1524 85 10 -10.0 -0.9 | 3 2 -0.1 -2.4 7 818 1829 95 13 -13.0 1.1 | 82 3 -3.1 -0.4 8 790 2134 80 20 -19.7 -3.5 | 63 11 -9.8 -5.0 9 762 2438 60 22 -19.1 -11.0 | 36 16 -9.2 -12.6 10 736 2743 50 22 -16.9 -14.1 | 24 17 -7.0 -15.7 11 700 3167 50 16 -12.3 -10.3 | 11 12 -2.4 -11.8 12 659 3658 50 14 -10.7 -9.0 | 5 11 -0.9 -10.6 13 611 4267 60 13 -11.3 -6.5 | 10 8 -1.4 -8.1 14 546 5182 75 12 -11.6 -3.1 | 20 5 -1.7 -4.7 15 507 5791 65 13 -11.8 -5.5 | 15 7 -1.9 -7.0 16 500 5900 75 16 -15.5 -4.1 | 45 8 -5.6 -5.7 17 487 6096 75 15 -14.5 -3.9 | 40 7 -4.6 -5.4 18 450 6706 70 17 -16.0 -5.8 | 40 10 -6.1 -7.4 19 416 7315 95 13 -13.0 1.1 | 82 3 -3.1 -0.4 20 400 7620 85 11 -11.0 -1.0 | 24 3 -1.1 -2.5 21 400 7620 85 11 -11.0 -1.0 | 24 3 -1.1 -2.5 22 368 8230 105 15 -14.5 3.9 | 117 5 -4.6 2.3 23 339 8839 95 11 -11.0 1.0 | 62 1 -1.1 -0.6 24 300 9740 110 10 -9.4 3.4 | 194 2 0.5 1.9 25 287 10058 115 11 -10.0 4.6 | 178 3 -0.1 3.1 26 275 10363 105 16 -15.5 4.1 | 115 6 -5.6 2.6 27 263 10668 115 17 -15.4 7.2 | 135 8 -5.6 5.6 28 252 10973 85 12 -12.0 -1.0 | 39 3 -2.1 -2.6 29 250 11020 80 16 -15.8 -2.8 | 54 7 -5.9 -4.3 30 230 11582 75 10 -9.7 -2.6 | 357 4 0.2 -4.1 31 200 12520 80 3 -3.0 -0.5 | 287 7 6.9 -2.1 32 173 13411 140 10 -6.4 7.7 | 209 7 3.4 6.1 33 165 13716 140 12 -7.7 9.2 | 196 8 2.1 7.6 34 157 14021 120 10 -8.7 5.0 | 199 4 1.2 3.4 35 150 14310 275 3 3.0 -0.3 | 278 13 12.8 -1.8 36 150 14326 360 3 -0.0 -3.0 | 295 11 9.9 -4.6 37 135 14935 270 12 12.0 -0.0 | 274 22 21.9 -1.6 38 128 15240 280 19 18.7 -3.3 | 280 29 28.6 -4.9 39 121 15545 240 21 18.2 10.5 | 252 29 28.0 8.9 40 104 16459 225 24 17.0 17.0 | 240 31 26.8 15.4 41 100 16670 190 22 3.8 21.7 | 214 24 13.7 20.1 42 96 16896 175 24 -2.1 23.9 | 199 24 7.8 22.4 43 93 17069 190 21 3.6 20.7 | 215 23 13.5 19.1 44 88 17374 150 18 -9.0 15.6 | 183 14 0.9 14.0 45 84 17678 80 15 -14.8 -2.6 | 50 6 -4.9 -4.2 46 79 17983 85 24 -23.9 -2.1 | 75 15 -14.1 -3.6 47 75 18288 70 16 -15.0 -5.5 | 36 9 -5.2 -7.0 48 71 18593 265 11 11.0 1.0 | 272 21 20.8 -0.6 49 70 18680 265 16 15.9 1.4 | 270 26 25.8 -0.2 50 67 18898 255 21 20.3 5.4 | 263 30 30.1 3.9 51 64 19202 290 18 16.9 -6.2 | 286 28 26.8 -7.7 52 61 19507 280 25 24.6 -4.3 | 280 35 34.5 -5.9 53 58 19812 245 21 19.0 8.9 | 256 30 28.9 7.3 54 52 20422 275 30 29.9 -2.6 | 276 40 39.7 -4.2 55 50 20670 270 31 31.0 -0.0 | 272 41 40.9 -1.6 56 49 20726 275 34 33.9 -3.0 | 276 44 43.7 -4.5 57 36 22250 255 32 30.9 8.3 | 261 41 40.8 6.7 58 32 22860 285 25 24.1 -6.5 | 283 35 34.0 -8.0 Wind Parameters Mean winds (0-6000m): 69.0 at 13.3 knts Storm direction: 99.0 at 10.0 knts Shear (0-3000m) pos: 0.0 neg: 3.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -64.9 tot: -60.2 m^2/s^2 ave: -20.1 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 10.18 Bulk Shear: 28.53 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 ------------------------------------------------------------------------------- 500 164 5 248 9| 0.0 10.3 10.3| 0.0 -14.1 -14.1 -28.2 -0.51| 11.2 -5.8 1000 126 7 242 5| 0.0 6.1 6.1| 1.7 -14.9 -13.2 -13.2 -0.29| 8.1 -2.4 1500 110 8 249 3| 0.0 4.9 4.9| 3.4 -14.9 -11.5 -7.7 -0.04| 7.0 -0.3 2000 101 9 255 1| 0.0 5.9 5.9| 4.8 -18.0 -13.3 -6.6 -0.01| 7.8 -0.1 2500 87 12 41 3| 0.0 5.3 5.3| 4.8 -47.8 -43.1 -17.2 -0.21| 8.4 -1.7 3000 77 13 33 5| 0.0 3.6 3.6| 4.8 -64.9 -60.2 -20.1 -0.27| 8.1 -2.2 4000 69 13 23 7| 0.3 2.3 2.6| 6.2 -70.4 -64.2 -16.1 -0.27| 6.7 -1.8 5000 68 13 21 7| 0.6 1.9 2.5| 8.7 -70.4 -61.8 -12.4 -0.23| 5.7 -1.3 6000 69 13 22 7| 0.6 1.6 2.3| 16.1 -72.2 -56.1 -9.4 -0.15| 5.4 -0.8 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20250425.00.gif