UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020033100.upa.cvt Date: 0000Z 31 MAR 20 Searching for SB281... Searching the city database file for: SB281 ... Date:0000Z 31 MAR 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 1004 54 25.2 24.5 96 0.7 24.7 100 1 298.0 301.6 297.7 355.1 19.63 1 1000 89 24.8 23.9 95 0.9 24.2 100 1 298.0 301.4 297.3 353.2 19.00 2 975 313 25.8 23.1 85 2.7 23.8 65 14 301.1 304.5 297.8 355.8 18.55 3 925 777 23.0 20.3 85 2.7 21.1 90 15 302.8 305.9 297.0 351.5 16.42 4 879 1221 20.4 17.1 81 3.3 18.1 115 16 304.6 307.2 295.9 346.6 14.09 5 850 1511 18.4 18.4 100 0.0 18.4 125 17 305.4 308.4 297.3 352.9 15.86 6 830 1715 17.0 17.0 100 0.0 17.0 120 15 306.0 308.8 296.7 350.6 14.85 7 750 2578 14.2 9.2 72 5.0 11.0 121 19 312.0 313.9 294.8 342.2 9.79 8 700 3159 10.8 6.1 73 4.7 7.9 100 18 314.4 316.1 294.6 340.9 8.47 9 613 4256 5.0 -1.0 65 6.0 1.8 76 14 319.9 321.1 294.0 338.7 5.81 10 555 5061 -0.7 -3.0 84 2.3 -1.9 38 11 322.4 323.5 294.4 340.4 5.53 11 500 5890 -5.1 -6.1 93 1.0 -5.6 45 12 326.8 327.8 295.0 343.0 4.86 12 489 6064 -6.5 -6.5 100 0.0 -6.5 45 13 327.2 328.1 295.1 343.2 4.82 13 437 6936 -11.3 -14.7 76 3.4 -12.6 89 11 331.8 332.4 294.7 341.5 2.80 14 414 7349 -13.5 -16.0 81 2.5 -14.5 96 12 334.1 334.7 295.1 343.4 2.65 15 400 7610 -15.5 -17.0 88 1.5 -16.0 100 13 334.8 335.4 295.2 343.7 2.52 16 388 7839 -17.1 -18.0 93 0.9 -17.4 100 13 335.7 336.2 295.3 344.1 2.39 17 302 9673 -28.9 -32.0 75 3.1 -29.5 108 9 344.0 344.2 296.0 347.3 0.87 18 300 9720 -29.3 -32.5 74 3.2 -29.9 120 8 344.1 344.3 296.0 347.3 0.83 19 275 10337 -33.9 -37.9 67 4.0 -34.4 85 11 346.1 346.2 296.3 348.2 0.53 20 264 10623 -36.1 -39.9 68 3.8 -36.5 95 12 346.9 347.0 296.4 348.7 0.45 21 250 11000 -39.1 -42.7 69 3.6 -39.5 105 12 347.9 348.0 296.5 349.4 0.35 22 208 12234 -49.7 -54.7 56 5.0 -49.9 185 1 350.1 350.1 296.8 350.6 0.11 23 200 12490 -51.9 -56.7 56 4.8 -52.1 220 1 350.6 350.6 296.8 351.0 0.09 24 186 12954 -56.1 -59.9 62 3.8 -56.2 249 8 351.1 351.2 297.0 351.4 0.06 25 150 14280 -67.9 -72.2 54 4.3 -67.9 260 23 353.1 353.1 297.3 353.2 0.01 26 146 14442 -69.5 -73.6 55 4.1 -69.5 258 23 353.1 353.1 297.3 353.1 0.01 27 119 15635 -78.3 -82.3 52 4.0 -78.3 263 33 358.2 358.2 298.4 358.2 0.00 28 113 15931 -76.1 -83.1 32 7.0 -76.1 265 33 367.6 367.6 300.1 367.6 0.00 29 101 16574 -79.5 -85.5 36 6.0 -79.5 242 16 373.1 373.1 301.1 373.1 0.00 30 100 16630 -79.9 -85.9 36 6.0 -79.9 250 15 373.4 373.4 301.1 373.4 0.00 31 93 17038 -82.7 -88.7 35 6.0 -82.7 257 14 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 562.12 mb = 4962.10 m = 16279.66 ft Wetbulb zero: 585.07 mb = 4633.77 m = 15202.48 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 80.75 % Est. max temperature: 32.50 C = 90.51 F Sfc-Lift cond lev (LCL): 994.30 mb = 139.56 m = 457.88 ft T: 25.03 C 700-500 lapse rate: 5.82 C/km ThetaE index: 14.24 C Layer 830.0- 555.0 mb Conv cond level (CCL): 881.88 mb = 1192.77 m = 3913.24 ft Mean mixing ratio: 17.52 g/kg Conv temperature: 31.67 C = 89.00 F Cap Strength: 1.45 C Lifted Index: -3.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.63 C Lifted Index @700 mb: -0.65 C Showalter Index: -3.13 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.50 C K Index: 37.20 Risk: > 80 % chance of thunderstorms Sweat Index: 266.80 Risk: None Energy Index: -2.03 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1014.28 J/kg Max Up Vert Vel: 45.04 m/s Conv Inhibition (B-): 26.22 J/kg Cap Strength: 1.45 C Lift Cond Lev (LCL): 920.46 mb = 819.85 m = 2689.78 ft Lev Free Conv (LFC): 845.46 mb = 1556.95 m = 5108.05 ft Equ Level (EL): 765.46 mb = 2404.47 m = 7888.59 ft B at Equ Level: 28.16 J/kg Wind level data Storm motion: 123 at 11 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 1004 54 100 1 -1.0 0.2 | 305 10 8.0 -5.6 1 1000 89 100 1 -1.0 0.2 | 305 10 8.0 -5.6 2 976 305 65 14 -12.7 -5.9 | 18 12 -3.7 -11.7 3 943 610 70 16 -15.0 -5.5 | 28 13 -6.1 -11.2 4 925 777 90 15 -15.0 0.0 | 46 8 -6.1 -5.7 5 910 914 105 15 -14.5 3.9 | 71 6 -5.5 -1.9 6 850 1511 125 17 -13.9 9.8 | 129 6 -5.0 4.0 7 849 1524 115 14 -12.7 5.9 | 93 4 -3.7 0.2 8 790 2134 130 16 -12.3 10.3 | 144 6 -3.3 4.5 9 762 2438 125 18 -14.7 10.3 | 128 7 -5.8 4.6 10 709 3048 105 22 -21.3 5.7 | 90 12 -12.3 -0.1 11 700 3159 100 18 -17.7 3.1 | 73 9 -8.8 -2.6 12 611 4267 75 14 -13.5 -3.6 | 26 10 -4.6 -9.4 13 588 4572 80 12 -11.8 -2.1 | 20 8 -2.9 -7.8 14 566 4877 35 13 -7.5 -10.6 | 355 16 1.5 -16.4 15 525 5486 45 4 -2.8 -2.8 | 324 11 6.1 -8.6 16 500 5890 45 12 -8.5 -8.5 | 358 14 0.5 -14.2 17 487 6096 45 13 -9.2 -9.2 | 1 15 -0.2 -14.9 18 450 6706 85 10 -10.0 -0.9 | 9 7 -1.0 -6.6 19 400 7610 100 13 -12.8 2.3 | 48 5 -3.9 -3.5 20 368 8230 100 13 -12.8 2.3 | 48 5 -3.9 -3.5 21 338 8839 95 12 -12.0 1.0 | 33 6 -3.0 -4.7 22 325 9144 60 12 -10.4 -6.0 | 7 12 -1.4 -11.7 23 311 9449 55 12 -9.8 -6.9 | 4 13 -0.9 -12.6 24 300 9720 120 8 -6.9 4.0 | 311 3 2.0 -1.7 25 299 9754 80 10 -9.8 -1.7 | 7 8 -0.9 -7.5 26 274 10363 85 11 -11.0 -1.0 | 17 7 -2.0 -6.7 27 251 10973 110 13 -12.2 4.4 | 68 4 -3.3 -1.3 28 250 11000 105 12 -11.6 3.1 | 45 4 -2.6 -2.6 29 240 11278 105 10 -9.7 2.6 | 13 3 -0.7 -3.2 30 209 12192 180 1 0.0 1.0 | 298 10 8.9 -4.7 31 200 12490 220 1 0.6 0.8 | 297 11 9.6 -5.0 32 181 13106 260 11 10.8 1.9 | 281 20 19.8 -3.8 33 156 14021 275 22 21.9 -1.9 | 284 32 30.9 -7.7 34 150 14280 260 23 22.7 4.0 | 273 32 31.6 -1.8 35 141 14630 255 24 23.2 6.2 | 269 32 32.1 0.5 36 114 15850 265 35 34.9 3.1 | 274 44 43.8 -2.7 37 109 16154 265 27 26.9 2.4 | 275 36 35.8 -3.4 38 103 16459 225 17 12.0 12.0 | 253 22 21.0 6.3 39 100 16630 250 15 14.1 5.1 | 272 23 23.0 -0.6 40 98 16764 250 15 14.1 5.1 | 272 23 23.0 -0.6 41 87 17374 265 13 13.0 1.1 | 282 22 21.9 -4.6 Wind Parameters Mean winds (0-6000m): 92.7 at 14.2 knts Storm direction: 122.7 at 10.6 knts Shear (0-3000m) pos: 2.6 neg: 4.2 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 144.0 deg Storm rel helicity (0-3000m) pos: 56.4 neg: -22.3 tot: 34.1 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 3.0 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 185.19 Bulk Shear: 5.48 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 67 11 5 10| 0.0 15.2 15.2| 28.2 0.0 28.2 56.3 0.79| 16.3 12.9 1000 81 13 27 9| 5.6 7.6 13.2| 46.2 0.0 46.2 46.2 0.77| 13.8 10.6 1500 96 14 49 7| 4.1 5.1 9.1| 52.2 -2.9 49.3 32.9 0.65| 11.8 7.6 2000 103 14 63 6| 4.0 3.8 7.8| 55.9 -2.9 53.0 26.5 0.67| 9.7 6.5 2500 109 15 79 5| 3.2 3.7 6.9| 56.4 -8.2 48.2 19.3 0.54| 8.7 4.7 3000 110 16 86 6| 2.6 4.2 6.8| 56.4 -22.3 34.1 11.4 0.36| 8.4 3.0 4000 105 16 76 7| 2.0 3.1 5.1| 56.4 -46.6 9.8 2.5 0.14| 7.7 1.1 5000 98 15 61 7| 1.6 2.6 4.1| 56.4 -76.7 -20.3 -4.1 -0.01| 7.7 -0.1 6000 93 14 46 7| 1.7 2.7 4.5| 79.3 -91.7 -12.4 -2.1 0.02| 7.6 0.1 Wrote GIF file: /home/apache/climate/data/raob//SB281/skewt/SB281.skewt.20200331.00.gif