UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 30 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 1010 18 27.4 24.3 83 3.1 25.1 50 2 299.7 303.2 298.0 356.2 19.27 1 1000 105 25.6 24.2 92 1.4 24.6 20 8 298.8 302.3 297.7 355.2 19.35 2 986 229 24.4 24.0 98 0.4 24.1 42 12 298.8 302.3 297.8 355.3 19.39 3 925 788 21.4 21.0 98 0.4 21.1 75 17 301.2 304.3 297.0 351.7 17.17 4 914 892 20.8 20.7 99 0.1 20.8 75 16 301.6 304.7 297.0 351.9 17.05 5 853 1489 17.8 16.5 92 1.3 16.9 89 20 304.5 307.1 295.8 346.2 13.98 6 850 1519 17.8 16.1 90 1.7 16.7 90 20 304.8 307.3 295.7 345.6 13.67 7 747 2620 13.8 7.8 67 6.0 10.1 96 20 311.9 313.6 294.2 339.5 8.93 8 700 3166 10.0 7.2 83 2.8 8.3 95 19 313.6 315.3 294.8 342.0 9.15 9 630 4035 4.8 4.3 97 0.5 4.5 87 16 317.2 318.8 295.1 343.4 8.30 10 603 4391 2.8 1.8 93 1.0 2.2 77 17 318.9 320.3 294.8 342.0 7.25 11 559 5002 -0.3 -1.0 95 0.7 -0.7 91 13 322.2 323.5 295.0 342.9 6.38 12 509 5749 -3.1 -8.1 68 5.0 -5.4 81 16 327.6 328.4 294.6 341.3 4.08 13 500 5890 -4.1 -7.5 77 3.4 -5.7 120 13 328.0 328.9 295.0 342.6 4.36 14 495 5969 -4.5 -8.2 75 3.7 -6.2 120 13 328.5 329.3 294.9 342.5 4.17 15 491 6033 -4.5 -8.7 72 4.2 -6.4 120 14 329.3 330.1 295.0 342.9 4.04 16 466 6441 -8.1 -10.0 86 1.9 -8.9 112 13 329.7 330.5 295.0 342.8 3.84 17 426 7132 -12.3 -19.3 56 7.0 -14.7 96 11 333.0 333.3 294.3 339.8 1.95 18 420 7240 -13.3 -17.8 69 4.5 -14.9 87 11 333.0 333.5 294.6 340.9 2.25 19 400 7610 -15.5 -29.5 29 14.0 -18.9 100 8 334.8 335.0 293.8 337.9 0.83 20 396 7686 -16.1 -31.1 26 15.0 -19.6 98 8 335.0 335.2 293.7 337.7 0.72 21 364 8316 -20.9 -24.1 75 3.2 -21.8 92 5 336.8 337.1 294.8 342.2 1.50 22 318 9303 -27.3 -36.3 42 9.0 -28.8 105 18 341.2 341.3 295.1 343.3 0.54 23 300 9720 -30.7 -34.3 71 3.6 -31.3 85 20 342.1 342.3 295.4 344.8 0.70 24 290 9962 -32.1 -33.9 84 1.8 -32.4 78 21 343.4 343.6 295.8 346.3 0.75 25 285 10085 -32.9 -42.9 36 10.0 -34.1 76 21 344.0 344.1 295.6 345.2 0.30 26 280 10210 -33.7 -46.7 26 13.0 -35.0 80 22 344.6 344.7 295.6 345.4 0.20 27 277 10286 -34.1 -40.1 55 6.0 -34.8 82 23 345.1 345.2 295.9 346.8 0.42 28 268 10518 -36.1 -40.8 62 4.7 -36.7 90 25 345.5 345.5 296.0 347.1 0.40 29 250 11000 -39.7 -45.7 53 6.0 -40.2 90 27 347.0 347.1 296.2 348.1 0.26 30 241 11248 -41.1 -48.1 47 7.0 -41.6 90 27 348.6 348.6 296.5 349.4 0.20 31 200 12480 -51.3 -69.3 10 18.0 -51.7 110 5 351.5 351.5 297.0 351.6 0.02 32 198 12546 -51.5 -72.5 6 21.0 -51.9 108 5 352.2 352.2 297.1 352.3 0.01 33 182 13089 -56.5 -63.5 41 7.0 -56.6 132 4 352.7 352.7 297.3 352.9 0.04 34 156 14051 -65.1 -72.1 37 7.0 -65.2 246 6 353.9 353.9 297.5 354.0 0.01 35 150 14290 -66.5 -75.5 27 9.0 -66.5 275 6 355.5 355.5 297.8 355.6 0.01 36 145 14495 -67.9 -76.9 27 9.0 -67.9 273 5 356.6 356.6 298.0 356.6 0.01 37 106 16312 -82.3 -87.3 42 5.0 -82.3 219 11 362.6 362.6 299.2 362.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 563.26 mb = 4942.66 m = 16215.88 ft Wetbulb zero: 569.26 mb = 4855.11 m = 15928.65 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 87.08 % Est. max temperature: 31.86 C = 89.35 F Sfc-Lift cond lev (LCL): 966.03 mb = 408.24 m = 1339.34 ft T: 23.44 C 700-500 lapse rate: 5.18 C/km ThetaE index: 12.42 C Layer 853.0- 700.0 mb Conv cond level (CCL): 945.73 mb = 594.09 m = 1949.08 ft Mean mixing ratio: 18.34 g/kg Conv temperature: 28.05 C = 82.49 F Cap Strength: 0.15 C Lifted Index: -2.48 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.35 C Lifted Index @700 mb: -1.62 C Showalter Index: 0.45 C Risk: Thunderstorms probable Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.20 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 246.20 Risk: None Energy Index: -0.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1209.73 J/kg Max Up Vert Vel: 49.19 m/s Conv Inhibition (B-): 0.22 J/kg Cap Strength: 0.15 C Lift Cond Lev (LCL): 951.28 mb = 542.94 m = 1781.27 ft Lev Free Conv (LFC): 936.28 mb = 682.00 m = 2237.49 ft Equ Level (EL): 156.28 mb = 14039.95 m = 46062.26 ft B at Equ Level: 1200.92 J/kg Wind level data Storm motion: 117 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 1010 18 50 2 -1.5 -1.3 | 305 12 9.7 -6.9 1 1000 105 20 8 -2.7 -7.5 | 327 16 8.5 -13.1 2 977 305 55 14 -11.5 -8.0 | 1 14 -0.2 -13.7 3 944 610 70 15 -14.1 -5.1 | 15 11 -2.8 -10.8 4 925 788 75 17 -16.4 -4.4 | 27 11 -5.2 -10.0 5 912 914 75 16 -15.5 -4.1 | 23 11 -4.2 -9.8 6 850 1519 90 20 -20.0 0.0 | 57 10 -8.7 -5.6 7 849 1524 90 20 -20.0 0.0 | 57 10 -8.7 -5.6 8 791 2134 95 19 -18.9 1.7 | 63 9 -7.7 -4.0 9 763 2438 100 19 -18.7 3.3 | 73 8 -7.5 -2.3 10 710 3048 85 24 -23.9 -2.1 | 59 15 -12.6 -7.7 11 700 3166 95 19 -18.9 1.7 | 63 9 -7.7 -4.0 12 634 3962 90 16 -16.0 0.0 | 40 7 -4.7 -5.6 13 611 4267 75 18 -17.4 -4.7 | 31 12 -6.1 -10.3 14 546 5182 95 12 -12.0 1.0 | 9 5 -0.7 -4.6 15 506 5791 80 16 -15.8 -2.8 | 28 10 -4.5 -8.4 16 500 5890 120 13 -11.3 6.5 | 180 1 0.0 0.9 17 487 6096 120 14 -12.1 7.0 | 148 2 -0.9 1.4 18 468 6401 110 13 -12.2 4.4 | 39 2 -1.0 -1.2 19 450 6706 130 11 -8.4 7.1 | 243 3 2.8 1.4 20 416 7315 80 11 -10.8 -1.9 | 357 8 0.4 -7.5 21 400 7610 100 8 -7.9 1.4 | 321 5 3.4 -4.2 22 368 8230 85 4 -4.0 -0.3 | 309 9 7.3 -6.0 23 353 8534 115 10 -9.1 4.2 | 302 3 2.2 -1.4 24 338 8839 105 19 -18.4 4.9 | 84 7 -7.1 -0.7 25 311 9449 105 18 -17.4 4.7 | 81 6 -6.1 -1.0 26 300 9720 85 20 -19.9 -1.7 | 50 11 -8.7 -7.4 27 286 10058 75 21 -20.3 -5.4 | 39 14 -9.0 -11.1 28 262 10668 95 26 -25.9 2.3 | 77 15 -14.6 -3.4 29 250 11000 90 27 -27.0 0.0 | 70 17 -15.7 -5.6 30 240 11278 90 27 -27.0 0.0 | 70 17 -15.7 -5.6 31 209 12192 135 12 -8.5 8.5 | 224 4 2.8 2.9 32 200 12480 110 5 -4.7 1.7 | 301 8 6.6 -3.9 33 190 12802 100 4 -3.9 0.7 | 304 9 7.3 -4.9 34 150 14290 275 6 6.0 -0.5 | 290 18 17.2 -6.1 35 115 15850 260 2 2.0 0.3 | 292 14 13.2 -5.3 36 103 16459 205 14 5.9 12.7 | 248 19 17.2 7.1 Wind Parameters Mean winds (0-6000m): 86.5 at 16.8 knts Storm direction: 116.5 at 12.6 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 113.9 deg Storm rel helicity (0-3000m) pos: 89.9 neg: -9.1 tot: 80.9 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.2 10^-3/s Energy-Hel index: 0.66 Bulk Rich Number: 90.96 Bulk Shear: 13.30 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 51 11 349 13| 13.2 0.0 13.2| 58.5 0.0 58.5 116.9 0.89| 18.5 16.4 1000 64 14 5 12| 7.7 0.0 7.7| 70.6 -1.6 69.0 69.0 0.85| 11.9 10.1 1500 73 15 18 11| 6.3 0.0 6.3| 84.7 -1.6 83.1 55.4 0.87| 9.7 8.5 2000 79 16 28 10| 4.6 0.0 4.6| 86.6 -1.6 85.0 42.5 0.85| 7.7 6.5 2500 83 17 36 9| 3.8 0.0 3.8| 89.9 -2.0 87.9 35.2 0.82| 6.7 5.5 3000 85 18 41 10| 3.2 1.1 4.2| 89.9 -9.1 80.9 27.0 0.63| 6.7 4.2 4000 87 18 44 9| 1.8 0.9 2.6| 91.7 -15.8 75.9 19.0 0.45| 6.3 2.8 5000 86 17 41 9| 1.3 0.9 2.2| 91.7 -22.2 69.5 13.9 0.33| 6.0 2.0 6000 87 17 40 9| 1.6 0.9 2.4| 98.0 -23.2 74.8 12.5 0.39| 6.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20250430.12.gif