UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020032900.upa.cvt Date: 0000Z 29 MAR 20 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 29 MAR 20 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 59 0 0 SFC 998 85 25.4 25.1 98 0.3 25.2 0 0 298.7 302.5 298.4 358.6 20.50 2 978 262 27.6 22.8 75 4.8 24.1 69 2 302.7 306.0 298.0 356.4 18.15 3 945 563 26.4 20.4 70 6.0 22.1 68 5 304.4 307.4 297.2 352.6 16.17 4 925 750 25.0 20.3 75 4.7 21.6 45 7 304.9 307.9 297.5 353.9 16.42 5 850 1490 20.0 16.3 79 3.7 17.4 60 13 307.1 309.7 296.4 348.8 13.85 6 700 3140 10.6 8.9 89 1.7 9.5 65 9 314.2 316.2 295.8 346.2 10.29 7 647 3793 6.4 5.3 93 1.1 5.8 93 10 316.6 318.3 295.3 343.9 8.67 8 610 4275 4.2 3.7 97 0.5 3.9 85 5 319.5 321.1 295.7 345.6 8.22 9 591 4533 3.8 -1.2 70 5.0 1.1 73 5 321.9 323.1 294.6 341.2 5.94 10 560 4971 2.4 -2.6 70 5.0 -0.3 51 5 325.3 326.4 295.3 343.8 5.65 11 537 5309 0.2 -2.7 81 2.9 -1.3 34 4 326.5 327.7 295.7 345.9 5.85 12 506 5785 -1.9 -6.1 73 4.2 -4.0 10 4 329.6 330.6 295.7 345.7 4.80 13 500 5880 -2.3 -7.1 70 4.8 -4.7 5 4 330.2 331.1 295.6 345.4 4.49 14 455 6621 -7.1 -13.1 62 6.0 -9.6 360 7 333.3 333.9 295.3 343.9 3.07 15 434 6987 -10.3 -12.7 83 2.4 -11.3 345 6 333.7 334.4 295.6 345.2 3.32 16 400 7610 -14.1 -22.1 51 8.0 -16.6 320 6 336.7 337.0 294.9 342.5 1.63 17 389 7822 -15.3 -25.3 42 10.0 -18.1 320 5 337.8 338.0 294.9 342.4 1.26 18 359 8425 -19.3 -21.9 80 2.6 -20.1 350 3 340.3 340.6 296.0 347.0 1.85 19 335 8938 -22.5 -31.5 44 9.0 -24.4 36 4 342.7 342.9 295.7 345.8 0.82 20 326 9137 -24.1 -26.0 84 1.9 -24.6 49 5 343.2 343.5 296.3 348.4 1.41 21 318 9319 -25.7 -33.7 47 8.0 -27.2 61 6 343.4 343.5 295.7 346.1 0.70 22 313 9434 -26.1 -30.1 69 4.0 -27.0 69 7 344.4 344.6 296.3 348.2 1.00 23 300 9740 -28.3 -32.9 65 4.6 -29.2 90 9 345.5 345.7 296.3 348.6 0.80 24 290 9982 -29.7 -33.8 67 4.1 -30.4 101 9 346.9 347.0 296.6 349.8 0.76 25 250 11020 -38.3 -41.5 72 3.2 -38.7 150 10 349.1 349.2 296.8 350.7 0.40 26 244 11186 -39.9 -42.3 78 2.4 -40.1 150 10 349.2 349.2 296.8 350.7 0.38 27 203 12413 -50.3 -56.3 49 6.0 -50.5 95 15 351.6 351.6 297.1 352.0 0.09 28 200 12510 -51.3 -55.9 58 4.6 -51.5 95 19 351.5 351.6 297.1 352.0 0.10 29 184 13045 -56.1 -61.0 54 4.9 -56.2 98 18 352.2 352.2 297.1 352.5 0.06 30 150 14310 -66.9 -71.1 55 4.2 -67.0 335 2 354.8 354.8 297.7 354.9 0.02 31 149 14350 -67.3 -71.7 53 4.4 -67.4 333 2 354.8 354.8 297.7 354.9 0.02 32 102 16558 -81.3 -87.3 35 6.0 -81.3 151 17 368.6 368.6 300.3 368.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5821.00 m Freezing level: 534.05 mb = 5354.29 m = 17566.37 ft Wetbulb zero: 566.28 mb = 4879.87 m = 16009.87 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 81.55 % Est. max temperature: 33.86 C = 92.95 F Sfc-Lift cond lev (LCL): 994.15 mb = 118.79 m = 389.74 ft T: 25.82 C 700-500 lapse rate: 4.71 C/km ThetaE index: 10.01 C Layer 850.0- 610.0 mb Conv cond level (CCL): 838.43 mb = 1606.50 m = 5270.59 ft Mean mixing ratio: 17.06 g/kg Conv temperature: 34.28 C = 93.70 F Cap Strength: 2.22 C Lifted Index: -0.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.30 C Lifted Index @700 mb: -1.20 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.60 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 225.60 Risk: None Energy Index: -0.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 800.56 J/kg Max Up Vert Vel: 40.01 m/s Conv Inhibition (B-): 63.42 J/kg Cap Strength: 2.22 C Lift Cond Lev (LCL): 886.41 mb = 1122.94 m = 3684.15 ft Lev Free Conv (LFC): 771.41 mb = 2314.48 m = 7593.34 ft Equ Level (EL): 151.41 mb = 14252.09 m = 46758.26 ft B at Equ Level: 794.05 J/kg Wind level data Storm motion: 95 at 6 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 ---------------------------------------------------------- 0 998 85 0 0 -0.0 -0.0 | 275 6 5.8 -0.5 1 973 305 85 3 -3.0 -0.3 | 285 3 2.8 -0.7 2 940 610 65 5 -4.5 -2.1 | 334 3 1.2 -2.6 3 925 750 45 7 -4.9 -4.9 | 351 5 0.8 -5.4 4 908 914 50 8 -6.1 -5.1 | 4 6 -0.4 -5.6 5 877 1219 60 14 -12.1 -7.0 | 40 10 -6.4 -7.5 6 850 1490 60 13 -11.3 -6.5 | 38 9 -5.5 -7.0 7 788 2134 65 12 -10.9 -5.1 | 43 8 -5.1 -5.5 8 760 2438 75 8 -7.7 -2.1 | 38 3 -2.0 -2.5 9 708 3048 50 10 -7.7 -6.4 | 15 7 -1.9 -6.9 10 700 3140 65 9 -8.2 -3.8 | 29 5 -2.4 -4.3 11 657 3658 95 11 -11.0 1.0 | 95 5 -5.2 0.5 12 610 4267 85 5 -5.0 -0.4 | 319 1 0.8 -0.9 13 500 5880 5 4 -0.3 -4.0 | 309 7 5.4 -4.4 14 486 6096 20 7 -2.4 -6.6 | 334 8 3.4 -7.0 15 400 7610 320 6 3.9 -4.6 | 298 11 9.6 -5.1 16 368 8230 320 4 2.6 -3.1 | 293 9 8.3 -3.5 17 353 8534 10 2 -0.3 -2.0 | 294 6 5.4 -2.4 18 300 9740 90 9 -9.0 0.0 | 82 3 -3.2 -0.5 19 250 11020 150 10 -5.0 8.7 | 185 8 0.8 8.2 20 241 11278 150 10 -5.0 8.7 | 185 8 0.8 8.2 21 210 12192 95 7 -7.0 0.6 | 97 1 -1.2 0.1 22 200 12510 95 19 -18.9 1.7 | 95 13 -13.2 1.2 23 191 12802 95 20 -19.9 1.7 | 95 14 -14.2 1.3 24 165 13716 105 14 -13.5 3.6 | 112 8 -7.8 3.2 25 157 14021 110 1 -0.9 0.3 | 271 5 4.8 -0.1 26 150 14310 335 2 0.8 -1.8 | 289 7 6.6 -2.3 27 121 15545 275 10 10.0 -0.9 | 275 16 15.7 -1.3 28 109 16154 220 13 8.4 10.0 | 236 17 14.1 9.5 29 103 16459 155 16 -6.8 14.5 | 176 14 -1.0 14.0 30 98 16764 140 18 -11.6 13.8 | 156 15 -5.8 13.3 Wind Parameters Mean winds (0-6000m): 64.6 at 7.7 knts Storm direction: 94.6 at 5.8 knts Shear (0-3000m) pos: 0.6 neg: 1.4 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 17.1 neg: -3.4 tot: 13.7 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 246.37 Bulk Shear: 3.25 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 76 3 291 3| 5.0 0.0 5.0| 3.1 0.0 3.1 6.3 0.57| 5.8 3.3 1000 58 5 338 3| 2.5 3.4 5.9| 10.8 0.0 10.8 10.8 0.63| 6.8 4.3 1500 59 8 13 5| 2.2 2.3 4.5| 15.3 -0.6 14.6 9.7 0.60| 5.8 3.5 2000 60 9 23 5| 1.5 1.7 3.3| 16.3 -0.6 15.7 7.8 0.59| 4.6 2.7 2500 62 9 27 5| 0.7 1.4 2.1| 16.5 -1.5 15.0 6.0 0.43| 4.7 2.0 3000 61 9 26 5| 0.6 1.4 2.0| 17.1 -3.4 13.7 4.6 0.34| 4.5 1.5 4000 68 9 35 5| 1.2 0.9 2.1| 25.2 -4.5 20.7 5.2 0.36| 4.8 1.8 5000 68 8 29 4| 0.9 1.1 2.0| 25.3 -5.3 20.1 4.0 0.28| 4.4 1.2 6000 65 8 18 4| 0.8 1.2 2.0| 31.2 -7.6 23.6 3.9 0.27| 4.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20200329.00.gif