UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for SB099... Searching the city database file for: SB099 ... Date:0000Z 21 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 1009 15 24.8 23.2 91 1.6 23.6 80 1 297.2 300.4 296.5 349.4 18.02 1 1003 67 25.2 23.1 88 2.1 23.7 77 6 298.1 301.4 296.7 350.5 18.02 2 1000 93 25.0 23.2 90 1.8 23.7 75 9 298.1 301.5 296.8 351.0 18.19 3 925 778 21.8 19.6 87 2.2 20.2 80 14 301.6 304.5 296.1 347.9 15.71 4 850 1510 18.0 16.2 89 1.8 16.8 105 12 305.0 307.6 295.8 346.1 13.76 5 700 3156 10.4 5.9 74 4.5 7.7 85 14 314.0 315.6 294.3 340.0 8.35 6 667 3557 8.6 3.9 72 4.7 5.8 76 14 316.3 317.8 294.4 340.3 7.61 7 579 4712 0.8 0.5 98 0.3 0.6 54 6 320.3 321.6 294.9 342.3 6.87 8 500 5880 -4.5 -4.5 100 0.0 -4.5 90 12 327.6 328.6 295.7 345.8 5.49 9 429 7074 -10.9 -11.7 94 0.8 -11.2 91 14 334.1 334.8 295.9 346.6 3.64 10 400 7610 -14.3 -15.2 93 0.9 -14.6 100 13 336.4 337.0 295.9 346.7 2.94 11 300 9730 -28.9 -31.0 82 2.1 -29.3 105 15 344.6 344.9 296.3 348.3 0.96 12 294 9875 -29.9 -32.2 80 2.3 -30.3 106 15 345.2 345.4 296.3 348.6 0.87 13 250 11010 -39.1 -42.4 71 3.3 -39.4 95 17 347.9 348.0 296.5 349.4 0.37 14 229 11606 -43.9 -49.9 51 6.0 -44.3 81 12 349.5 349.5 296.7 350.2 0.17 15 203 12403 -51.3 -55.0 65 3.7 -51.4 109 6 350.0 350.1 296.7 350.5 0.11 16 200 12500 -51.9 -56.1 61 4.2 -52.1 110 5 350.6 350.6 296.8 351.0 0.10 17 190 12830 -54.9 -64.9 28 10.0 -55.1 118 5 350.9 350.9 296.8 351.1 0.03 18 184 13034 -56.5 -63.5 41 7.0 -56.6 123 6 351.6 351.6 297.0 351.8 0.04 19 171 13496 -60.1 -66.1 45 6.0 -60.2 135 6 353.1 353.1 297.3 353.2 0.03 20 164 13755 -62.3 -72.3 25 10.0 -62.4 141 6 353.6 353.6 297.4 353.7 0.01 21 159 13945 -63.9 -68.7 52 4.8 -64.0 146 7 354.1 354.1 297.5 354.2 0.02 22 150 14300 -66.9 -73.9 37 7.0 -67.0 155 7 354.8 354.8 297.7 354.9 0.01 23 148 14381 -67.5 -74.5 36 7.0 -67.5 167 6 355.2 355.2 297.7 355.2 0.01 24 118 15712 -75.3 -84.3 23 9.0 -75.3 308 14 364.6 364.6 299.6 364.6 0.00 25 101 16595 -82.1 -87.1 42 5.0 -82.1 165 3 368.1 368.1 300.2 368.1 0.00 26 100 16650 -82.1 -88.1 35 6.0 -82.1 130 4 369.1 369.1 300.4 369.1 0.00 27 89 17309 -78.3 -87.3 22 9.0 -78.3 135 16 389.2 389.2 303.7 389.2 0.00 28 77 18129 -82.1 -89.1 29 7.0 -82.1 323 18 397.8 397.8 304.9 397.8 0.00 29 74 18353 -78.5 -89.5 15 11.0 -78.5 320 21 409.9 409.9 306.5 409.9 0.00 30 72 18513 -71.1 -89.1 5 18.0 -71.2 289 15 428.8 428.8 308.7 428.8 0.00 31 71 18596 -70.1 -90.1 4 20.0 -70.2 274 14 432.7 432.7 309.1 432.7 0.00 32 70 18680 -70.5 -91.5 3 21.0 -70.6 265 34 433.6 433.6 309.2 433.6 0.00 33 57 19885 -75.7 -90.7 8 15.0 -75.7 274 46 448.0 448.0 310.7 448.0 0.00 34 50 20660 -67.3 -90.3 2 23.0 -67.5 310 22 484.9 484.9 313.8 484.9 0.00 35 50 20660 -66.9 -89.9 3 23.0 -67.1 310 22 485.8 485.8 313.9 485.8 0.00 36 49 20782 -68.1 -90.1 3 22.0 -68.3 310 22 485.8 485.8 313.9 485.8 0.00 TRP 101 16595 -82.1 -87.1 42 5.0 -82.1 165 3 368.1 368.1 300.2 368.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 567.08 mb = 4887.89 m = 16036.20 ft Wetbulb zero: 569.61 mb = 4841.71 m = 15884.69 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 86.95 % Est. max temperature: 32.21 C = 89.98 F Sfc-Lift cond lev (LCL): 986.17 mb = 215.36 m = 706.57 ft T: 24.43 C 700-500 lapse rate: 5.47 C/km ThetaE index: 11.02 C Layer 925.0- 667.0 mb Conv cond level (CCL): 889.84 mb = 1113.44 m = 3652.96 ft Mean mixing ratio: 16.80 g/kg Conv temperature: 30.78 C = 87.41 F Cap Strength: 1.25 C Lifted Index: -1.30 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.15 C Lifted Index @700 mb: 0.01 C Showalter Index: -0.13 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.70 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 230.40 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 251.94 J/kg Max Up Vert Vel: 22.45 m/s Conv Inhibition (B-): 32.70 J/kg Cap Strength: 1.25 C Lift Cond Lev (LCL): 930.94 mb = 721.74 m = 2367.87 ft Lev Free Conv (LFC): 695.94 mb = 3204.27 m = 10512.57 ft Equ Level (EL): 685.94 mb = 3324.44 m = 10906.83 ft B at Equ Level: 12.45 J/kg Max Parcel Lev (MPL): 145.94 mb = 14462.84 m = 47449.69 ft Wind level data Storm motion: 118 at 8 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 1009 15 80 1 -1.0 -0.2 | 302 8 6.4 -4.0 1 1000 93 75 9 -8.7 -2.3 | 12 6 -1.3 -6.2 2 976 305 80 13 -12.8 -2.3 | 42 8 -5.4 -6.1 3 943 610 70 12 -11.3 -4.1 | 26 9 -3.9 -8.0 4 925 778 80 14 -13.8 -2.4 | 46 9 -6.4 -6.3 5 911 914 95 12 -12.0 1.0 | 59 5 -4.6 -2.8 6 879 1219 95 15 -14.9 1.3 | 71 8 -7.6 -2.6 7 850 1510 105 12 -11.6 3.1 | 80 4 -4.2 -0.8 8 819 1829 115 12 -10.9 5.1 | 109 4 -3.5 1.2 9 790 2134 105 11 -10.6 2.8 | 73 3 -3.3 -1.0 10 762 2438 95 11 -11.0 1.0 | 51 5 -3.6 -2.9 11 735 2743 120 13 -11.3 6.5 | 124 5 -3.9 2.6 12 709 3048 85 10 -10.0 -0.9 | 29 5 -2.6 -4.7 13 700 3156 85 14 -13.9 -1.2 | 52 8 -6.6 -5.1 14 683 3353 95 11 -11.0 1.0 | 51 5 -3.6 -2.9 15 658 3658 65 15 -13.6 -6.3 | 31 12 -6.2 -10.2 16 634 3962 80 14 -13.8 -2.4 | 46 9 -6.4 -6.3 17 610 4267 50 9 -6.9 -5.8 | 357 10 0.5 -9.6 18 588 4572 50 5 -3.8 -3.2 | 333 8 3.5 -7.1 19 506 5791 95 11 -11.0 1.0 | 51 5 -3.6 -2.9 20 500 5880 90 12 -12.0 0.0 | 50 6 -4.6 -3.9 21 486 6096 90 14 -14.0 0.0 | 60 8 -6.6 -3.9 22 449 6706 85 15 -14.9 -1.3 | 56 9 -7.6 -5.2 23 400 7610 100 13 -12.8 2.3 | 74 6 -5.4 -1.6 24 399 7620 100 13 -12.8 2.3 | 74 6 -5.4 -1.6 25 368 8230 100 15 -14.8 2.6 | 80 8 -7.4 -1.3 26 339 8839 90 15 -15.0 0.0 | 63 9 -7.6 -3.9 27 312 9449 110 20 -18.8 6.8 | 105 12 -11.4 3.0 28 300 9730 105 15 -14.5 3.9 | 90 7 -7.1 0.0 29 251 10973 110 19 -17.9 6.5 | 104 11 -10.5 2.6 30 250 11010 95 17 -16.9 1.5 | 76 10 -9.6 -2.4 31 229 11582 80 12 -11.8 -2.1 | 37 7 -4.5 -5.9 32 219 11887 105 10 -9.7 2.6 | 61 3 -2.3 -1.3 33 200 12500 110 5 -4.7 1.7 | 309 3 2.7 -2.1 34 150 14300 155 7 -3.0 6.3 | 241 5 4.4 2.5 35 134 14935 250 1 0.9 0.3 | 293 9 8.3 -3.5 36 121 15545 310 15 11.5 -9.6 | 306 23 18.8 -13.5 37 115 15850 305 12 9.8 -6.9 | 302 20 17.2 -10.7 38 109 16154 290 10 9.4 -3.4 | 293 18 16.8 -7.3 39 101 16595 165 3 -0.8 2.9 | 278 7 6.6 -1.0 40 100 16650 130 4 -3.1 2.6 | 287 4 4.3 -1.3 41 98 16764 130 4 -3.1 2.6 | 287 4 4.3 -1.3 42 93 17069 135 24 -17.0 17.0 | 144 16 -9.6 13.1 43 88 17374 135 14 -9.9 9.9 | 157 7 -2.5 6.0 44 83 17678 170 2 -0.3 2.0 | 285 7 7.0 -1.9 45 79 17983 310 11 8.4 -7.1 | 305 19 15.8 -10.9 46 75 18288 335 24 10.1 -21.8 | 326 31 17.5 -25.6 47 71 18593 275 12 12.0 -1.0 | 284 20 19.3 -4.9 48 70 18680 265 34 33.9 3.0 | 271 41 41.2 -0.9 49 67 18898 275 32 31.9 -2.8 | 280 40 39.2 -6.6 50 64 19202 250 36 33.8 12.3 | 258 42 41.2 8.5 51 58 19812 275 48 47.8 -4.2 | 278 56 55.2 -8.0 52 52 20422 265 30 29.9 2.6 | 272 37 37.2 -1.2 53 50 20660 310 22 16.9 -14.1 | 307 30 24.2 -18.0 54 46 21031 310 23 17.6 -14.8 | 307 31 25.0 -18.6 Wind Parameters Mean winds (0-6000m): 87.7 at 11.1 knts Storm direction: 117.7 at 8.3 knts Shear (0-3000m) pos: 1.3 neg: 2.2 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 93.8 deg Storm rel helicity (0-3000m) pos: 39.3 neg: -15.0 tot: 24.3 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 461.39 Bulk Shear: 0.55 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 11 27 7| 0.0 11.6 11.6| 18.4 -3.4 15.0 30.0 0.74| 14.7 10.9 1000 80 12 35 7| 2.5 5.8 8.3| 28.8 -4.8 24.0 24.0 0.67| 11.5 7.7 1500 86 12 47 7| 2.3 3.9 6.2| 32.0 -4.8 27.2 18.2 0.60| 9.6 5.8 2000 92 12 56 6| 1.9 2.9 4.8| 34.0 -6.0 28.0 14.0 0.56| 8.1 4.5 2500 94 12 57 6| 1.5 2.5 4.0| 35.3 -8.2 27.1 10.9 0.47| 7.2 3.4 3000 97 12 62 5| 1.3 2.2 3.4| 39.3 -15.0 24.3 8.1 0.31| 7.8 2.4 4000 92 12 55 6| 0.9 2.1 3.1| 47.3 -23.2 24.1 6.0 0.23| 7.8 1.8 5000 87 11 42 6| 0.8 1.2 2.0| 51.8 -46.1 5.7 1.1 0.09| 7.6 0.7 6000 88 11 41 6| 1.2 1.0 2.2| 61.0 -46.1 14.9 2.5 0.16| 7.0 1.1 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20250421.00.gif