UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020032800.upa.cvt Date: 0000Z 28 MAR 20 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 28 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 48 0 0 SFC 996 85 24.8 24.8 100 0.0 24.8 0 0 298.3 302.0 298.1 357.1 20.16 2 967 346 28.0 21.0 66 7.0 22.9 75 8 304.1 307.1 297.3 352.9 16.40 3 925 740 26.4 19.4 65 7.0 21.4 70 12 306.3 309.2 297.3 352.9 15.51 4 917 817 26.4 16.4 54 10.0 19.5 72 12 307.1 309.5 295.7 345.9 12.90 5 850 1481 20.8 16.1 74 4.7 17.5 65 9 307.9 310.5 296.5 349.2 13.67 6 730 2782 12.2 10.0 86 2.2 10.8 10 11 312.2 314.2 295.5 345.0 10.63 7 700 3134 10.2 8.9 92 1.3 9.4 10 9 313.8 315.7 295.7 345.7 10.29 8 696 3182 10.0 9.1 94 0.9 9.5 13 9 314.1 316.1 295.9 346.6 10.49 9 558 4994 0.6 0.4 99 0.2 0.5 257 2 323.5 324.9 295.8 346.4 7.08 10 505 5791 -4.1 -6.8 81 2.7 -5.4 290 19 327.1 328.0 294.8 342.3 4.55 11 500 5870 -4.5 -7.0 83 2.5 -5.7 295 19 327.6 328.5 295.0 342.7 4.53 12 484 6126 -5.7 -7.3 88 1.6 -6.5 293 9 329.1 330.1 295.4 344.5 4.57 13 400 7600 -13.3 -15.5 83 2.2 -14.2 35 4 337.7 338.3 296.1 347.8 2.86 14 384 7910 -15.1 -17.8 80 2.7 -16.1 40 6 339.3 339.8 296.2 348.1 2.46 15 345 8712 -21.1 -23.1 84 2.0 -21.7 51 8 341.7 342.1 296.2 348.1 1.73 16 300 9730 -28.5 -31.3 77 2.8 -29.0 65 7 345.2 345.4 296.4 348.8 0.93 17 284 10120 -31.1 -34.2 74 3.1 -31.6 65 9 346.9 347.1 296.6 349.8 0.74 18 250 11010 -38.3 -43.3 59 5.0 -38.8 120 7 349.1 349.2 296.7 350.5 0.33 19 200 12500 -50.9 -57.9 43 7.0 -51.1 115 7 352.2 352.2 297.2 352.5 0.08 20 173 13428 -59.1 -66.1 40 7.0 -59.2 130 9 353.5 353.5 297.4 353.7 0.03 21 150 14310 -65.9 -71.9 43 6.0 -66.0 165 10 356.6 356.6 298.0 356.6 0.02 22 134 14984 -71.9 -76.9 47 5.0 -71.9 256 8 357.6 357.6 298.2 357.6 0.01 23 102 16549 -82.1 -86.9 44 4.8 -82.1 221 12 367.0 367.0 300.0 367.0 0.00 24 100 16660 -81.9 -86.7 44 4.8 -81.9 130 10 369.5 369.5 300.5 369.5 0.00 25 88 17370 -84.9 -89.4 44 4.5 -84.9 90 29 377.2 377.2 301.8 377.2 0.00 26 87 17434 -84.1 -88.5 46 4.4 -84.1 92 30 380.1 380.1 302.3 380.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 551.23 mb = 5095.89 m = 16718.59 ft Wetbulb zero: 553.60 mb = 5057.31 m = 16592.02 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 84.69 % Est. max temperature: 34.57 C = 94.22 F Sfc-Lift cond lev (LCL): 996.47 mb = 80.63 m = 264.53 ft T: -9999.00 C 700-500 lapse rate: 5.37 C/km ThetaE index: 6.95 C Layer 917.0- 850.0 mb Conv cond level (CCL): 800.66 mb = 1992.16 m = 6535.89 ft Mean mixing ratio: 15.82 g/kg Conv temperature: 36.14 C = 97.06 F Cap Strength: 3.05 C Lifted Index: -2.21 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.13 C Lifted Index @700 mb: -0.89 C Showalter Index: -1.30 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.60 C K Index: 40.10 Risk: > 80 % chance of thunderstorms Sweat Index: 230.20 Risk: None Energy Index: -1.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 421.61 J/kg Max Up Vert Vel: 29.04 m/s Conv Inhibition (B-): 119.85 J/kg Cap Strength: 3.05 C Lift Cond Lev (LCL): 859.64 mb = 1382.32 m = 4535.12 ft Lev Free Conv (LFC): 744.64 mb = 2612.34 m = 8570.57 ft Equ Level (EL): 224.64 mb = 11724.36 m = 38465.28 ft B at Equ Level: 420.36 J/kg Max Parcel Lev (MPL): 114.64 mb = 15879.24 m = 52096.61 ft Wind level data Storm motion: 48 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 ---------------------------------------------------------- 0 996 85 0 0 -0.0 -0.0 | 228 6 4.8 4.3 1 972 305 75 7 -6.8 -1.8 | 141 3 -2.0 2.5 2 939 610 75 11 -10.6 -2.8 | 104 6 -5.9 1.5 3 925 740 70 12 -11.3 -4.1 | 92 7 -6.5 0.2 4 907 914 75 12 -11.6 -3.1 | 100 7 -6.8 1.2 5 850 1481 65 9 -8.2 -3.8 | 99 3 -3.4 0.5 6 846 1524 55 10 -8.2 -5.7 | 68 4 -3.4 -1.4 7 787 2134 20 11 -3.8 -10.3 | 351 6 1.0 -6.0 8 760 2438 10 13 -2.3 -12.8 | 344 9 2.5 -8.5 9 700 3134 10 9 -1.6 -8.9 | 325 6 3.2 -4.5 10 609 4267 80 3 -3.0 -0.5 | 205 4 1.8 3.8 11 565 4877 255 1 1.0 0.3 | 231 7 5.7 4.6 12 524 5486 265 10 10.0 0.9 | 251 16 14.7 5.2 13 505 5791 290 19 17.9 -6.5 | 275 23 22.6 -2.2 14 500 5870 295 19 17.2 -8.0 | 280 22 22.0 -3.7 15 486 6096 295 10 9.1 -4.2 | 270 14 13.8 0.1 16 467 6401 270 4 4.0 -0.0 | 244 10 8.8 4.3 17 400 7600 35 4 -2.3 -3.3 | 247 3 2.5 1.0 18 367 8230 45 8 -5.7 -5.7 | 34 2 -0.9 -1.3 19 300 9730 65 7 -6.3 -3.0 | 131 2 -1.6 1.4 20 262 10668 65 11 -10.0 -4.6 | 86 5 -5.2 -0.3 21 250 11010 120 7 -6.1 3.5 | 171 8 -1.3 7.8 22 209 12192 100 2 -2.0 0.3 | 211 5 2.8 4.7 23 200 12500 115 7 -6.3 3.0 | 168 7 -1.6 7.3 24 157 14021 140 11 -7.1 8.4 | 170 13 -2.3 12.7 25 150 14310 165 10 -2.6 9.7 | 189 14 2.2 14.0 26 142 14630 175 11 -1.0 11.0 | 194 16 3.8 15.3 27 135 14935 255 7 6.8 1.8 | 242 13 11.5 6.1 28 128 15240 265 19 18.9 1.7 | 256 24 23.7 6.0 29 115 15850 280 27 26.6 -4.7 | 271 31 31.3 -0.4 30 104 16459 290 14 13.2 -4.8 | 271 18 17.9 -0.5 31 100 16660 130 10 -7.7 6.4 | 165 11 -2.9 10.8 32 98 16764 130 10 -7.7 6.4 | 165 11 -2.9 10.8 33 93 17069 100 19 -18.7 3.3 | 119 16 -14.0 7.6 34 88 17374 90 29 -29.0 0.0 | 100 25 -24.2 4.3 35 83 17678 100 34 -33.5 5.9 | 110 30 -28.7 10.2 Wind Parameters Mean winds (0-6000m): 17.8 at 8.6 knts Storm direction: 47.8 at 6.4 knts Shear (0-3000m) pos: 1.8 neg: 1.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -21.5 tot: -19.1 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.55 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 57.51 Bulk Shear: 7.33 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 75 6 150 3| 11.0 0.0 11.0| 1.3 -5.0 -3.7 -7.4 -0.51| 12.8 -6.5 1000 74 9 114 4| 5.5 0.4 5.9| 2.4 -7.1 -4.7 -4.7 -0.45| 8.0 -3.6 1500 71 9 107 4| 3.7 1.5 5.1| 2.4 -9.4 -7.0 -4.7 -0.47| 7.0 -3.3 2000 62 10 86 4| 2.7 2.4 5.2| 2.4 -15.1 -12.7 -6.3 -0.56| 6.6 -3.7 2500 50 10 55 4| 2.2 2.5 4.7| 2.4 -18.5 -16.1 -6.4 -0.55| 6.1 -3.3 3000 43 10 35 4| 1.8 1.8 3.7| 2.4 -21.5 -19.1 -6.4 -0.55| 5.6 -3.1 4000 40 9 23 3| 1.7 1.4 3.1| 2.8 -22.0 -19.2 -4.8 -0.48| 5.3 -2.5 5000 39 8 8 2| 0.9 1.1 2.0| 12.9 -22.1 -9.1 -1.8 -0.28| 5.3 -1.5 6000 18 9 331 4| 0.2 0.9 1.1| 72.4 -34.5 37.9 6.3 -0.06| 6.7 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20200328.00.gif