UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 25 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 1010 19 26.6 24.6 89 2.0 25.2 360 6 298.9 302.5 298.0 356.2 19.63 1 1000 106 25.6 24.1 91 1.5 24.5 20 8 298.8 302.2 297.7 354.9 19.23 2 925 791 22.4 19.9 86 2.5 20.6 80 14 302.2 305.2 296.5 349.5 16.01 3 880 1224 19.2 19.2 100 0.0 19.2 95 15 303.2 306.2 296.8 351.0 16.12 4 850 1523 18.0 15.5 85 2.5 16.3 110 16 305.0 307.4 295.3 344.3 13.14 5 829 1737 17.0 13.9 82 3.1 15.0 108 17 306.1 308.4 294.9 342.6 12.13 6 721 2920 12.2 8.6 79 3.6 9.9 77 12 313.3 315.2 295.2 343.6 9.78 7 700 3168 10.4 8.9 90 1.5 9.5 65 11 314.0 316.0 295.7 345.9 10.29 8 557 5035 -0.3 -3.7 78 3.4 -2.0 95 21 322.6 323.6 294.2 339.6 5.23 9 513 5688 -4.9 -4.9 100 0.0 -4.9 87 25 324.7 325.7 294.7 341.7 5.19 10 500 5890 -5.5 -6.6 92 1.1 -6.0 85 26 326.3 327.3 294.8 341.9 4.67 11 409 7450 -12.9 -20.9 51 8.0 -15.5 91 30 336.1 336.4 294.9 342.4 1.77 12 401 7601 -13.7 -17.8 71 4.1 -15.2 86 29 336.9 337.4 295.6 345.3 2.35 13 400 7620 -13.9 -18.1 70 4.2 -15.4 85 29 336.9 337.4 295.6 345.1 2.30 14 395 7715 -14.5 -18.6 71 4.1 -15.9 86 29 337.4 337.8 295.6 345.3 2.23 15 389 7831 -14.9 -38.9 11 24.0 -19.5 87 28 338.3 338.4 294.2 339.6 0.34 16 354 8536 -20.3 -34.3 28 14.0 -23.1 88 26 340.3 340.4 294.9 342.6 0.59 17 346 8705 -21.5 -26.0 67 4.5 -22.7 86 27 340.9 341.2 295.7 345.8 1.33 18 343 8769 -21.7 -29.7 48 8.0 -23.5 86 27 341.5 341.7 295.5 345.1 0.95 19 325 9163 -24.7 -27.4 78 2.7 -25.4 82 28 342.6 342.9 296.0 347.3 1.24 20 320 9275 -25.5 -32.5 52 7.0 -26.9 82 28 343.1 343.2 295.7 346.0 0.78 21 318 9321 -25.9 -28.4 79 2.5 -26.5 81 28 343.1 343.4 296.1 347.5 1.16 22 305 9622 -27.9 -34.9 51 7.0 -29.1 80 27 344.4 344.6 296.0 346.9 0.65 23 303 9669 -28.3 -32.5 67 4.2 -29.1 80 27 344.5 344.7 296.1 347.7 0.82 24 300 9740 -28.9 -36.9 46 8.0 -30.2 80 27 344.6 344.8 295.9 346.8 0.54 25 298 9788 -29.1 -42.1 27 13.0 -30.8 80 27 345.0 345.1 295.8 346.3 0.32 26 294 9885 -30.1 -47.1 17 17.0 -32.0 81 26 344.9 345.0 295.7 345.7 0.19 27 277 10307 -33.3 -54.3 10 21.0 -35.0 82 24 346.3 346.3 295.9 346.6 0.09 28 266 10591 -35.3 -54.3 13 19.0 -36.7 83 22 347.4 347.4 296.1 347.7 0.09 29 262 10696 -36.5 -46.5 35 10.0 -37.4 84 22 347.1 347.2 296.2 348.0 0.22 30 260 10749 -36.7 -57.7 10 21.0 -38.0 84 22 347.6 347.6 296.1 347.8 0.06 31 250 11020 -39.1 -55.1 17 16.0 -40.1 85 20 347.9 348.0 296.3 348.3 0.09 32 232 11525 -43.7 -48.7 58 5.0 -44.0 76 21 348.5 348.5 296.5 349.3 0.20 33 218 11938 -46.9 -54.9 40 8.0 -47.3 60 21 349.8 349.8 296.7 350.2 0.10 34 200 12500 -52.3 -58.3 48 6.0 -52.5 55 14 349.9 350.0 296.7 350.3 0.07 35 191 12796 -54.7 -60.7 47 6.0 -54.9 55 12 350.7 350.7 296.8 351.0 0.06 36 188 12898 -55.3 -65.3 28 10.0 -55.5 65 11 351.4 351.4 297.0 351.5 0.03 37 150 14300 -67.3 -71.9 52 4.6 -67.4 185 10 354.2 354.2 297.5 354.2 0.02 38 147 14421 -68.5 -73.4 49 4.9 -68.5 185 10 354.1 354.1 297.5 354.2 0.01 39 132 15060 -72.3 -75.8 59 3.5 -72.3 167 16 358.4 358.4 298.4 358.5 0.01 40 101 16594 -82.3 -87.2 43 4.9 -82.3 332 11 367.7 367.7 300.1 367.7 0.00 41 100 16650 -82.7 -87.3 45 4.6 -82.7 335 12 367.9 367.9 300.2 368.0 0.00 42 94 16992 -84.5 -89.0 45 4.5 -84.5 20 17 371.0 371.0 300.7 371.0 0.00 43 80 17894 -78.5 -88.5 18 10.0 -78.5 53 21 400.8 400.8 305.3 400.8 0.00 44 76 18184 -80.5 -89.5 21 9.0 -80.5 102 12 402.6 402.6 305.6 402.6 0.00 45 74 18337 -74.5 -87.5 12 13.0 -74.6 127 10 418.3 418.3 307.5 418.3 0.00 46 71 18577 -73.9 -88.9 8 15.0 -74.0 135 10 424.6 424.6 308.2 424.6 0.00 47 70 18660 -73.7 -89.7 7 16.0 -73.7 325 6 426.7 426.7 308.5 426.7 0.00 48 65 19094 -74.3 -89.3 8 15.0 -74.3 307 20 434.5 434.5 309.3 434.6 0.00 49 58 19775 -64.9 -88.9 2 24.0 -65.2 287 21 470.2 470.2 312.7 470.2 0.00 50 52 20435 -69.3 -90.3 3 21.0 -69.5 256 32 474.8 474.8 313.0 474.8 0.00 51 50 20670 -68.9 -90.9 3 22.0 -69.1 265 31 481.1 481.1 313.5 481.1 0.00 52 47 21039 -69.5 -90.5 3 21.0 -69.7 275 35 488.3 488.3 314.1 488.3 0.00 53 43 21576 -63.7 -90.7 1 27.0 -64.1 284 31 515.1 515.1 316.0 515.1 0.00 54 39 22171 -65.9 -90.9 2 25.0 -66.2 292 28 524.1 524.1 316.6 524.2 0.00 55 33 23203 -58.1 -89.1 1 31.0 -59.2 238 22 570.5 570.5 319.2 570.5 0.00 56 30 23800 -59.7 -89.7 1 30.0 -60.6 185 15 581.9 581.9 319.8 581.9 0.00 57 27 24460 -58.9 -88.9 1 30.0 -60.0 144 15 601.9 601.9 320.7 602.0 0.01 TRP 94 16992 -84.5 -89.0 45 4.5 -84.5 20 17 371.0 371.0 300.7 371.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 561.01 mb = 4982.29 m = 16345.91 ft Wetbulb zero: 582.29 mb = 4671.93 m = 15327.65 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 85.97 % Est. max temperature: 32.12 C = 89.82 F Sfc-Lift cond lev (LCL): 981.55 mb = 269.60 m = 884.50 ft T: 24.84 C 700-500 lapse rate: 5.84 C/km ThetaE index: 8.46 C Layer 850.0- 721.0 mb Conv cond level (CCL): 905.31 mb = 977.84 m = 3208.09 ft Mean mixing ratio: 17.54 g/kg Conv temperature: 30.37 C = 86.67 F Cap Strength: 1.20 C Lifted Index: -3.35 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.73 C Lifted Index @700 mb: -0.81 C Showalter Index: -0.42 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.00 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 244.00 Risk: None Energy Index: -0.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 722.72 J/kg Max Up Vert Vel: 38.02 m/s Conv Inhibition (B-): 9.21 J/kg Cap Strength: 1.20 C Lift Cond Lev (LCL): 932.65 mb = 718.68 m = 2357.84 ft Lev Free Conv (LFC): 887.65 mb = 1148.99 m = 3769.61 ft Equ Level (EL): 177.65 mb = 13249.55 m = 43469.12 ft B at Equ Level: 719.79 J/kg Max Parcel Lev (MPL): 97.65 mb = 16781.79 m = 55057.69 ft Wind level data Storm motion: 118 at 12 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 1010 19 360 6 -0.0 -6.0 | 318 16 10.7 -11.7 1 1000 106 20 8 -2.7 -7.5 | 329 15 8.0 -13.2 2 978 305 45 10 -7.1 -7.1 | 344 13 3.6 -12.8 3 944 610 65 14 -12.7 -5.9 | 10 12 -2.0 -11.6 4 925 791 80 14 -13.8 -2.4 | 21 9 -3.1 -8.1 5 912 914 80 13 -12.8 -2.3 | 15 8 -2.1 -8.0 6 850 1523 110 16 -15.0 5.5 | 87 4 -4.3 -0.2 7 850 1524 110 16 -15.0 5.5 | 87 4 -4.3 -0.2 8 791 2134 105 20 -19.3 5.2 | 86 9 -8.6 -0.5 9 763 2438 100 15 -14.8 2.6 | 53 5 -4.1 -3.1 10 700 3168 65 11 -10.0 -4.6 | 356 10 0.7 -10.4 11 684 3353 65 11 -10.0 -4.6 | 356 10 0.7 -10.4 12 659 3658 75 11 -10.6 -2.8 | 360 9 0.1 -8.6 13 611 4267 85 17 -16.9 -1.5 | 41 10 -6.2 -7.2 14 588 4572 100 18 -17.7 3.1 | 70 7 -7.0 -2.6 15 500 5890 85 26 -25.9 -2.3 | 62 17 -15.2 -8.0 16 487 6096 90 26 -26.0 0.0 | 70 16 -15.3 -5.7 17 468 6401 75 29 -28.0 -7.5 | 53 22 -17.3 -13.2 18 450 6706 85 35 -34.9 -3.1 | 70 26 -24.2 -8.8 19 416 7315 95 31 -30.9 2.7 | 82 20 -20.2 -3.0 20 400 7620 85 29 -28.9 -2.5 | 66 20 -18.2 -8.2 21 368 8230 90 26 -26.0 0.0 | 70 16 -15.3 -5.7 22 312 9449 80 28 -27.6 -4.9 | 58 20 -16.9 -10.6 23 300 9740 80 27 -26.6 -4.7 | 57 19 -15.9 -10.4 24 250 11020 85 20 -19.9 -1.7 | 51 12 -9.2 -7.5 25 240 11278 85 20 -19.9 -1.7 | 51 12 -9.2 -7.5 26 210 12192 50 22 -16.9 -14.1 | 17 21 -6.2 -19.9 27 200 12500 55 14 -11.5 -8.0 | 3 14 -0.8 -13.7 28 191 12802 55 12 -9.8 -6.9 | 356 13 0.9 -12.6 29 165 13716 165 3 -0.8 2.9 | 286 10 9.9 -2.8 30 150 14300 185 10 0.9 10.0 | 250 12 11.6 4.2 31 142 14630 185 10 0.9 10.0 | 250 12 11.6 4.2 32 134 14935 175 17 -1.5 16.9 | 219 15 9.2 11.2 33 121 15545 130 10 -7.7 6.4 | 257 3 3.0 0.7 34 103 16459 325 10 5.7 -8.2 | 310 22 16.4 -13.9 35 100 16650 335 12 5.1 -10.9 | 316 23 15.8 -16.6 36 98 16764 335 12 5.1 -10.9 | 316 23 15.8 -16.6 37 94 16992 20 17 -5.8 -16.0 | 347 22 4.9 -21.7 38 88 17374 50 25 -19.2 -16.1 | 21 23 -8.5 -21.8 39 83 17678 60 29 -25.1 -14.5 | 36 25 -14.4 -20.2 40 79 17983 50 18 -13.8 -11.6 | 10 18 -3.1 -17.3 41 75 18288 125 10 -8.2 5.7 | 270 2 2.5 0.0 42 71 18593 135 10 -7.1 7.1 | 249 4 3.6 1.4 43 70 18660 325 6 3.4 -4.9 | 307 18 14.1 -10.6 44 67 18898 310 12 9.2 -7.7 | 304 24 19.9 -13.4 45 64 19202 305 24 19.7 -13.8 | 303 36 30.3 -19.5 46 61 19507 305 15 12.3 -8.6 | 302 27 23.0 -14.3 47 55 20117 265 29 28.9 2.5 | 275 40 39.6 -3.2 48 52 20422 255 32 30.9 8.3 | 266 42 41.6 2.6 49 50 20670 265 31 30.9 2.7 | 274 42 41.6 -3.0 50 47 21031 275 35 34.9 -3.1 | 281 46 45.6 -8.8 51 41 21946 290 29 27.3 -9.9 | 292 41 37.9 -15.6 52 37 22555 295 27 24.5 -11.4 | 296 39 35.2 -17.1 53 35 22860 250 21 19.7 7.2 | 267 30 30.4 1.5 54 32 23470 230 23 17.6 14.8 | 252 30 28.3 9.1 55 30 23774 200 27 9.2 25.4 | 225 28 19.9 19.7 56 30 23800 185 15 1.3 14.9 | 232 15 12.0 9.2 57 28 24079 195 17 4.4 16.4 | 235 19 15.1 10.7 58 26 24384 100 13 -12.8 2.3 | 31 4 -2.1 -3.5 59 24 24689 90 28 -28.0 0.0 | 72 18 -17.3 -5.7 Wind Parameters Mean winds (0-6000m): 88.1 at 16.2 knts Storm direction: 118.1 at 12.1 knts Shear (0-3000m) pos: 3.2 neg: 1.7 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 45.8 deg Storm rel helicity (0-3000m) pos: 61.3 neg: -19.3 tot: 42.0 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 1.9 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 38.24 Bulk Shear: 18.90 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 41 10 341 14| 11.3 0.0 11.3| 40.3 0.0 40.3 80.6 0.94| 11.8 11.1 1000 61 12 358 11| 7.4 0.0 7.4| 52.6 -1.4 51.2 51.2 0.77| 9.7 7.5 1500 76 13 11 9| 6.5 0.0 6.5| 61.2 -1.4 59.8 39.8 0.80| 8.8 7.1 2000 87 14 27 7| 4.9 0.9 5.7| 61.3 -1.6 59.8 29.9 0.71| 7.5 5.3 2500 91 15 36 7| 3.9 0.8 4.7| 61.3 -9.8 51.5 20.6 0.44| 7.4 3.2 3000 90 14 34 7| 3.2 1.7 4.9| 61.3 -19.3 42.0 14.0 0.26| 7.3 1.9 4000 86 14 24 7| 3.0 1.3 4.3| 71.5 -22.7 48.8 12.2 0.28| 6.4 1.8 5000 88 15 32 7| 2.9 1.0 3.9| 87.0 -23.3 63.8 12.8 0.34| 6.1 2.1 6000 88 16 41 8| 2.4 1.1 3.5| 92.1 -28.2 64.0 10.7 0.30| 5.8 1.7 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20250425.12.gif