UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020040112.upa.cvt Date: 1200Z 1 APR 20 Searching for SB281... Searching the city database file for: SB281 ... Date:1200Z 1 APR 20 Station: SB281 WMO ident: 82281 Latitude: -2.60 Longitude: -44.23 ------------------------------------------------------------------------------- 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 1005 58 25.0 24.1 95 0.9 24.3 0 0 297.7 301.2 297.3 353.3 19.13 1 1000 102 24.8 23.4 92 1.4 23.8 0 0 298.0 301.3 297.0 351.5 18.41 2 963 433 22.8 22.7 99 0.1 22.8 77 12 299.2 302.5 297.2 352.7 18.33 3 925 785 22.6 19.8 84 2.8 20.6 90 21 302.4 305.3 296.5 349.4 15.91 4 905 976 22.0 19.3 85 2.7 20.1 100 21 303.7 306.6 296.7 350.5 15.76 5 850 1519 18.4 16.4 88 2.0 17.0 100 22 305.4 308.0 296.0 347.1 13.94 6 790 2146 15.2 11.6 79 3.6 12.9 110 21 308.5 310.5 294.7 341.6 10.93 7 748 2608 12.0 10.5 91 1.5 11.0 113 20 309.8 311.9 294.9 342.6 10.73 8 700 3163 9.4 7.2 86 2.2 8.0 110 23 312.9 314.6 294.6 341.2 9.15 9 687 3319 8.4 8.1 98 0.3 8.2 110 24 313.5 315.4 295.3 344.2 9.92 10 638 3930 6.8 1.9 71 4.9 4.0 123 19 318.3 319.7 294.4 340.3 6.90 11 582 4679 1.0 0.3 95 0.7 0.6 124 20 320.1 321.4 294.7 341.7 6.74 12 511 5718 -3.9 -3.9 100 0.0 -3.9 115 17 326.2 327.4 295.4 344.8 5.62 13 502 5858 -4.5 -6.6 85 2.1 -5.5 111 17 327.2 328.1 295.0 342.7 4.65 14 500 5890 -4.7 -6.2 89 1.5 -5.4 110 17 327.3 328.3 295.1 343.4 4.82 15 498 5922 -4.9 -5.7 94 0.8 -5.3 109 17 327.4 328.4 295.3 344.2 5.03 16 405 7525 -12.9 -14.7 86 1.8 -13.6 77 21 337.0 337.6 296.1 347.6 3.02 17 400 7620 -13.7 -15.3 88 1.6 -14.3 80 23 337.2 337.8 296.1 347.4 2.91 18 311 9490 -25.9 -28.4 79 2.5 -26.5 59 17 345.3 345.6 296.6 349.8 1.18 19 300 9750 -27.9 -30.4 79 2.5 -28.4 60 16 346.1 346.3 296.6 349.9 1.02 20 268 10549 -34.5 -36.2 84 1.7 -34.7 60 11 347.8 347.9 296.7 350.3 0.65 21 250 11030 -38.7 -41.3 76 2.6 -39.0 55 12 348.5 348.6 296.7 350.2 0.41 22 233 11509 -42.9 -45.7 74 2.8 -43.1 49 16 349.2 349.3 296.7 350.4 0.27 23 220 11893 -45.9 -49.8 65 3.9 -46.2 44 20 350.4 350.4 296.9 351.2 0.18 24 200 12520 -51.3 -55.7 59 4.4 -51.5 35 26 351.5 351.6 297.1 352.0 0.10 25 150 14320 -68.1 -72.9 50 4.8 -68.1 20 30 352.8 352.8 297.3 352.8 0.01 26 145 14523 -69.9 -74.8 49 4.9 -69.9 20 32 353.1 353.1 297.3 353.1 0.01 27 138 14815 -71.9 -78.9 34 7.0 -71.9 20 35 354.6 354.6 297.6 354.6 0.01 28 119 15676 -77.3 -82.3 44 5.0 -77.3 321 36 360.0 360.0 298.7 360.0 0.00 29 111 16073 -79.3 -86.3 31 7.0 -79.3 295 43 363.5 363.5 299.4 363.5 0.00 30 100 16660 -82.9 -87.7 43 4.8 -82.9 305 14 367.6 367.6 300.1 367.6 0.00 31 97 16829 -83.7 -88.3 44 4.6 -83.7 306 14 369.2 369.2 300.4 369.2 0.00 32 92 17125 -81.3 -86.3 42 5.0 -81.3 269 11 379.6 379.6 302.2 379.6 0.00 33 82 17769 -83.1 -87.9 43 4.8 -83.1 136 12 388.6 388.6 303.6 388.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 567.51 mb = 4890.70 m = 16045.42 ft Wetbulb zero: 572.47 mb = 4810.51 m = 15782.31 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 88.70 % Est. max temperature: 32.55 C = 90.59 F Sfc-Lift cond lev (LCL): 992.38 mb = 169.18 m = 555.04 ft T: 24.39 C 700-500 lapse rate: 5.17 C/km ThetaE index: 8.90 C Layer 850.0- 748.0 mb Conv cond level (CCL): 880.29 mb = 1215.61 m = 3988.16 ft Mean mixing ratio: 17.38 g/kg Conv temperature: 31.75 C = 89.15 F Cap Strength: 1.71 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.26 C Lifted Index @700 mb: -1.58 C Showalter Index: -0.71 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.10 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 257.80 Risk: None Energy Index: -0.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 454.78 J/kg Max Up Vert Vel: 30.16 m/s Conv Inhibition (B-): 35.75 J/kg Cap Strength: 1.69 C Lift Cond Lev (LCL): 934.68 mb = 694.01 m = 2276.92 ft Lev Free Conv (LFC): 809.68 mb = 1934.97 m = 6348.25 ft Equ Level (EL): 219.68 mb = 11903.15 m = 39051.84 ft B at Equ Level: 453.77 J/kg Max Parcel Lev (MPL): 109.68 mb = 16140.76 m = 52954.62 ft Wind level data Storm motion: 141 at 14 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 1005 58 0 0 -0.0 -0.0 | 321 14 9.0 -11.2 1 1000 102 0 0 -0.0 -0.0 | 321 14 9.0 -11.2 2 977 305 75 7 -6.8 -1.8 | 350 13 2.2 -13.0 3 944 610 80 19 -18.7 -3.3 | 34 17 -9.7 -14.5 4 925 785 90 21 -21.0 0.0 | 47 16 -12.0 -11.2 5 911 914 100 21 -20.7 3.6 | 57 14 -11.7 -7.5 6 850 1519 100 22 -21.7 3.8 | 60 15 -12.7 -7.4 7 790 2134 110 21 -19.7 7.2 | 70 11 -10.7 -4.0 8 763 2438 110 19 -17.9 6.5 | 62 10 -8.9 -4.7 9 736 2743 115 21 -19.0 8.9 | 77 10 -10.0 -2.3 10 710 3048 100 22 -21.7 3.8 | 60 15 -12.7 -7.4 11 700 3163 110 23 -21.6 7.9 | 75 13 -12.6 -3.3 12 684 3353 110 24 -22.6 8.2 | 78 14 -13.6 -3.0 13 659 3658 125 19 -15.6 10.9 | 87 7 -6.6 -0.3 14 611 4267 120 20 -17.3 10.0 | 82 8 -8.3 -1.2 15 546 5182 130 19 -14.6 12.2 | 100 6 -5.6 1.0 16 500 5890 110 17 -16.0 5.8 | 52 9 -7.0 -5.4 17 487 6096 105 16 -15.5 4.1 | 42 10 -6.5 -7.1 18 416 7315 70 18 -16.9 -6.2 | 25 19 -7.9 -17.4 19 400 7620 80 23 -22.7 -4.0 | 42 20 -13.7 -15.2 20 384 7925 85 22 -21.9 -1.9 | 45 18 -12.9 -13.1 21 368 8230 75 21 -20.3 -5.4 | 34 20 -11.3 -16.6 22 354 8534 80 19 -18.7 -3.3 | 34 17 -9.7 -14.5 23 339 8839 55 18 -14.7 -10.3 | 15 22 -5.7 -21.5 24 300 9750 60 16 -13.9 -8.0 | 14 20 -4.9 -19.2 25 287 10058 65 13 -11.8 -5.5 | 9 17 -2.8 -16.7 26 252 10973 55 9 -7.4 -5.2 | 354 16 1.6 -16.4 27 250 11030 55 12 -9.8 -6.9 | 3 18 -0.8 -18.1 28 200 12520 35 26 -14.9 -21.3 | 10 33 -5.9 -32.5 29 165 13716 20 27 -9.2 -25.4 | 0 37 -0.2 -36.6 30 150 14320 20 30 -10.3 -28.2 | 2 39 -1.3 -39.4 31 135 14935 20 36 -12.3 -33.8 | 4 45 -3.3 -45.0 32 115 15850 305 36 29.5 -20.6 | 310 50 38.5 -31.8 33 109 16154 290 46 43.2 -15.7 | 297 59 52.2 -26.9 34 100 16660 305 14 11.5 -8.0 | 313 28 20.5 -19.2 35 98 16764 310 15 11.5 -9.6 | 315 29 20.5 -20.8 36 93 17069 290 10 9.4 -3.4 | 308 23 18.4 -14.6 37 88 17374 170 14 -2.4 13.8 | 248 7 6.6 2.6 38 83 17678 145 13 -7.5 10.6 | 290 2 1.5 -0.5 39 79 17983 110 9 -8.5 3.1 | 356 8 0.5 -8.1 Wind Parameters Mean winds (0-6000m): 111.2 at 19.1 knts Storm direction: 141.2 at 14.4 knts Shear (0-3000m) pos: 3.4 neg: 0.8 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 116.2 neg: -13.6 tot: 102.6 m^2/s^2 ave: 34.2 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.5 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 18.64 Bulk Shear: 24.39 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 77 7 353 13| 17.5 0.0 17.5| 65.3 0.0 65.3 130.6 0.94| 18.8 17.6 1000 88 14 23 13| 10.9 0.0 10.9|100.9 0.0 100.9 100.9 0.92| 14.3 13.1 1500 93 17 36 13| 7.5 0.0 7.5|103.3 0.0 103.3 68.9 0.91| 9.8 8.9 2000 97 18 44 13| 5.4 0.0 5.4|109.6 0.0 109.6 54.8 0.88| 8.2 7.2 2500 100 18 48 12| 4.1 0.0 4.1|112.3 -3.1 109.2 43.7 0.79| 7.2 5.7 3000 102 19 52 12| 3.4 0.8 4.2|116.2 -13.6 102.6 34.2 0.62| 7.1 4.5 4000 106 19 58 11| 2.4 0.6 3.0|135.4 -14.5 120.9 30.2 0.57| 7.0 4.0 5000 110 19 63 10| 2.0 0.5 2.4|139.0 -15.0 124.0 24.8 0.56| 6.0 3.4 6000 111 19 64 10| 1.6 1.0 2.6|139.4 -28.6 110.8 18.5 0.39| 5.7 2.2 Wrote GIF file: /home/apache/climate/data/raob//SB281/skewt/SB281.skewt.20200401.12.gif