UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for SB107... Searching the city database file for: SB107 ... Date:0000Z 17 APR 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 70 80 1 SFC 996 106 26.4 25.2 93 1.2 25.5 80 1 299.9 303.7 298.8 360.6 20.67 2 978 267 27.4 23.3 78 4.1 24.4 108 10 302.5 305.9 298.3 357.9 18.72 3 925 760 24.4 18.4 69 6.0 20.2 95 19 304.3 307.0 296.1 347.6 14.55 4 916 846 24.4 15.4 57 9.0 18.3 87 21 305.1 307.4 294.6 341.3 12.10 5 850 1496 19.4 14.9 75 4.5 16.4 75 25 306.5 308.8 295.4 344.4 12.64 6 819 1815 17.2 16.8 97 0.4 17.0 66 20 307.4 310.2 297.1 352.2 14.86 7 803 1984 17.2 12.2 72 5.0 13.9 70 20 309.2 311.3 295.1 343.2 11.19 8 791 2113 15.8 13.9 88 1.9 14.5 74 19 309.0 311.4 296.1 347.6 12.73 9 700 3147 11.8 5.8 67 6.0 8.2 75 21 315.6 317.1 294.7 341.6 8.29 10 619 4167 7.2 0.2 61 7.0 3.3 88 22 321.6 322.8 294.8 341.9 6.29 11 525 5502 -1.1 -5.9 70 4.8 -3.5 100 14 327.1 328.0 295.0 342.7 4.69 12 513 5686 -1.7 -10.7 50 9.0 -5.7 110 15 328.5 329.2 294.3 339.7 3.30 13 500 5890 -3.1 -10.1 58 7.0 -6.2 110 12 329.3 330.0 294.6 341.3 3.55 14 463 6494 -7.9 -10.5 82 2.6 -9.1 92 17 330.6 331.3 295.1 343.3 3.72 15 448 6750 -8.7 -16.7 52 8.0 -11.7 98 16 332.7 333.2 294.5 340.8 2.31 16 423 7193 -12.1 -13.6 89 1.5 -12.7 109 15 333.9 334.5 295.5 344.9 3.17 17 400 7620 -14.3 -16.6 83 2.3 -15.2 120 14 336.4 336.9 295.7 345.6 2.61 18 389 7831 -15.7 -16.6 93 0.9 -16.0 112 14 337.3 337.8 295.9 346.8 2.69 19 384 7928 -16.1 -19.3 76 3.2 -17.2 120 11 338.0 338.4 295.7 345.7 2.16 20 377 8067 -17.5 -18.2 94 0.7 -17.7 105 12 337.9 338.4 295.8 346.5 2.42 21 365 8308 -18.3 -22.1 72 3.8 -19.5 83 15 340.0 340.4 295.8 346.5 1.78 22 357 8473 -19.5 -25.5 59 6.0 -21.1 78 19 340.5 340.8 295.6 345.5 1.35 23 319 9298 -26.3 -27.1 93 0.8 -26.5 87 16 342.3 342.5 296.0 347.1 1.30 24 300 9740 -29.1 -32.5 72 3.4 -29.7 90 15 344.4 344.5 296.1 347.5 0.83 25 284 10130 -32.3 -37.2 62 4.9 -33.0 86 18 345.2 345.3 296.0 347.4 0.55 26 282 10180 -32.7 -36.8 67 4.1 -33.3 85 18 345.3 345.5 296.1 347.6 0.58 27 251 10993 -38.7 -60.7 8 22.0 -39.8 94 23 348.1 348.1 296.3 348.3 0.04 28 250 11020 -38.9 -56.9 13 18.0 -39.9 95 23 348.2 348.2 296.3 348.5 0.07 29 232 11528 -43.5 -53.5 32 10.0 -44.0 100 22 348.8 348.8 296.5 349.2 0.11 30 220 11883 -46.1 -62.1 15 16.0 -46.7 107 20 350.1 350.1 296.7 350.3 0.04 31 212 12129 -48.1 -64.1 14 16.0 -48.6 112 19 350.7 350.7 296.8 350.9 0.03 32 206 12317 -49.9 -55.9 49 6.0 -50.1 116 18 350.8 350.8 296.9 351.2 0.10 33 204 12381 -50.3 -56.3 49 6.0 -50.5 118 18 351.1 351.1 297.0 351.5 0.09 34 200 12510 -51.3 -60.3 33 9.0 -51.6 115 15 351.5 351.5 297.0 351.8 0.06 35 198 12575 -51.9 -60.9 33 9.0 -52.2 112 14 351.6 351.6 297.0 351.8 0.05 36 193 12741 -52.9 -56.3 66 3.4 -53.0 106 13 352.6 352.6 297.3 353.0 0.10 37 191 12808 -53.3 -67.3 17 14.0 -53.6 103 13 353.0 353.0 297.3 353.1 0.02 38 189 12876 -53.7 -70.7 11 17.0 -54.0 100 12 353.4 353.4 297.4 353.5 0.01 39 180 13188 -56.7 -64.7 36 8.0 -56.9 99 10 353.5 353.5 297.4 353.6 0.04 40 175 13366 -57.9 -71.9 15 14.0 -58.1 122 10 354.4 354.4 297.5 354.4 0.01 41 174 13403 -58.5 -65.5 40 7.0 -58.6 127 10 353.9 354.0 297.5 354.1 0.03 42 165 13735 -61.7 -64.3 71 2.6 -61.7 171 10 354.0 354.0 297.5 354.2 0.04 43 156 14080 -64.1 -74.1 24 10.0 -64.2 217 10 355.6 355.6 297.8 355.7 0.01 44 150 14320 -65.7 -70.7 50 5.0 -65.8 250 10 356.9 356.9 298.1 357.0 0.02 45 139 14775 -69.5 -72.0 70 2.5 -69.5 249 13 358.1 358.1 298.3 358.2 0.02 46 100 16650 -85.3 -90.1 42 4.8 -85.3 260 19 362.9 362.9 299.2 362.9 0.00 47 95 16933 -86.7 -91.3 43 4.6 -86.7 260 12 365.5 365.5 299.8 365.5 0.00 48 70 18670 -73.3 -91.3 5 18.0 -73.4 250 19 427.6 427.6 308.6 427.6 0.00 49 50 20650 -71.1 -92.1 3 21.0 -71.2 280 21 475.9 475.9 313.1 475.9 0.00 50 30 23750 -61.5 -93.5 1 32.0 -62.3 280 18 577.0 577.0 319.5 577.0 0.00 TRP 95 16933 -86.7 -91.3 43 4.6 -86.7 260 12 365.5 365.5 299.8 365.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5820.00 m Freezing level: 537.46 mb = 5324.90 m = 17469.94 ft Wetbulb zero: 573.35 mb = 4787.91 m = 15708.18 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 69.98 % Est. max temperature: 33.09 C = 91.56 F Sfc-Lift cond lev (LCL): 979.28 mb = 255.75 m = 839.05 ft T: 27.33 C 700-500 lapse rate: 5.43 C/km ThetaE index: 19.29 C Layer 978.0- 850.0 mb Conv cond level (CCL): 832.08 mb = 1679.23 m = 5509.22 ft Mean mixing ratio: 15.93 g/kg Conv temperature: 33.51 C = 92.32 F Cap Strength: 2.35 C Lifted Index: -0.48 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.17 C Lifted Index @700 mb: 1.00 C Showalter Index: 1.92 C Risk: Showers probable Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 18.00 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 240.80 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 296.70 J/kg Max Up Vert Vel: 24.36 m/s Conv Inhibition (B-): 142.07 J/kg Cap Strength: 2.35 C Lift Cond Lev (LCL): 874.71 mb = 1246.79 m = 4090.47 ft Lev Free Conv (LFC): 549.71 mb = 5129.03 m = 16827.32 ft Equ Level (EL): 219.71 mb = 11891.91 m = 39014.99 ft B at Equ Level: 294.37 J/kg Max Parcel Lev (MPL): 139.71 mb = 14744.30 m = 48373.11 ft Wind level data Storm motion: 118 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 ---------------------------------------------------------- 0 996 106 80 1 -1.0 -0.2 | 300 13 11.4 -6.7 1 974 305 115 12 -10.9 5.1 | 313 2 1.5 -1.4 2 941 610 95 15 -14.9 1.3 | 26 6 -2.5 -5.2 3 925 760 95 19 -18.9 1.7 | 53 8 -6.5 -4.9 4 909 914 80 22 -21.7 -3.8 | 42 14 -9.2 -10.3 5 877 1219 80 26 -25.6 -4.5 | 50 17 -13.2 -11.0 6 850 1496 75 25 -24.1 -6.5 | 42 17 -11.7 -13.0 7 817 1829 65 20 -18.1 -8.5 | 21 16 -5.7 -15.0 8 789 2134 75 19 -18.4 -4.9 | 27 13 -5.9 -11.4 9 761 2438 75 17 -16.4 -4.4 | 20 12 -4.0 -10.9 10 700 3147 75 21 -20.3 -5.4 | 33 14 -7.9 -11.9 11 683 3353 75 21 -20.3 -5.4 | 33 14 -7.9 -11.9 12 658 3658 100 26 -25.6 4.5 | 81 13 -13.2 -2.0 13 610 4267 85 21 -20.9 -1.8 | 46 12 -8.5 -8.3 14 588 4572 105 17 -16.4 4.4 | 62 5 -4.0 -2.1 15 525 5486 100 14 -13.8 2.4 | 19 4 -1.4 -4.1 16 506 5791 115 15 -13.6 6.3 | 82 1 -1.2 -0.2 17 500 5890 110 12 -11.3 4.1 | 335 3 1.1 -2.4 18 487 6096 110 14 -13.2 4.8 | 23 2 -0.7 -1.7 19 468 6401 90 17 -17.0 0.0 | 35 8 -4.6 -6.5 20 400 7620 120 14 -12.1 7.0 | 211 1 0.3 0.5 21 400 7620 95 20 -19.9 1.7 | 58 9 -7.5 -4.8 22 384 7925 120 11 -9.5 5.5 | 289 3 2.9 -1.0 23 368 8230 85 13 -13.0 -1.1 | 4 8 -0.5 -7.6 24 353 8534 75 21 -20.3 -5.4 | 33 14 -7.9 -11.9 25 339 8839 80 24 -23.6 -4.2 | 46 15 -11.2 -10.7 26 312 9449 90 13 -13.0 0.0 | 5 7 -0.6 -6.5 27 300 9740 90 15 -15.0 0.0 | 22 7 -2.6 -6.5 28 263 10668 80 22 -21.7 -3.8 | 42 14 -9.2 -10.3 29 250 11020 95 23 -22.9 2.0 | 67 11 -10.5 -4.5 30 241 11278 95 23 -22.9 2.0 | 67 11 -10.5 -4.5 31 200 12497 120 17 -14.7 8.5 | 131 3 -2.3 2.0 32 200 12510 115 15 -13.6 6.3 | 82 1 -1.2 -0.2 33 182 13106 90 10 -10.0 0.0 | 340 7 2.4 -6.5 34 150 14320 250 10 9.4 3.4 | 278 22 21.8 -3.1 35 150 14326 305 2 1.6 -1.1 | 299 16 14.1 -7.7 36 142 14630 245 11 10.0 4.6 | 275 22 22.4 -1.9 37 128 15240 265 22 21.9 1.9 | 278 35 34.3 -4.6 38 115 15850 260 29 28.6 5.0 | 272 41 41.0 -1.5 39 100 16650 260 19 18.7 3.3 | 276 31 31.1 -3.2 40 98 16764 260 19 18.7 3.3 | 276 31 31.1 -3.2 41 95 16933 260 12 11.8 2.1 | 280 25 24.2 -4.4 42 88 17374 150 13 -6.5 11.3 | 231 8 5.9 4.7 43 83 17678 140 22 -14.1 16.9 | 171 10 -1.7 10.3 44 79 17983 170 17 -3.0 16.7 | 223 14 9.5 10.2 45 75 18288 265 20 19.9 1.7 | 278 33 32.3 -4.8 46 71 18593 260 26 25.6 4.5 | 273 38 38.0 -2.0 47 70 18670 250 19 17.9 6.5 | 270 30 30.3 -0.0 48 64 19202 225 16 11.3 11.3 | 259 24 23.7 4.8 49 61 19507 260 15 14.8 2.6 | 278 27 27.2 -3.9 50 58 19812 255 15 14.5 3.9 | 276 27 26.9 -2.6 51 55 20117 280 13 12.8 -2.3 | 289 27 25.2 -8.8 52 50 20650 280 21 20.7 -3.6 | 287 35 33.1 -10.2 53 49 20726 295 24 21.8 -10.1 | 296 38 34.2 -16.7 54 47 21031 275 22 21.9 -1.9 | 284 35 34.3 -8.4 55 45 21336 285 26 25.1 -6.7 | 289 40 37.5 -13.2 56 33 23165 260 19 18.7 3.3 | 276 31 31.1 -3.2 57 30 23750 280 18 17.7 -3.1 | 288 32 30.1 -9.6 58 30 23774 290 22 20.7 -7.5 | 293 36 33.1 -14.0 59 28 24079 280 18 17.7 -3.1 | 288 32 30.1 -9.6 Wind Parameters Mean winds (0-6000m): 87.7 at 18.7 knts Storm direction: 117.7 at 14.0 knts Shear (0-3000m) pos: 1.7 neg: 2.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 92.4 deg Storm rel helicity (0-3000m) pos: 35.2 neg: -44.7 tot: -9.5 m^2/s^2 ave: -3.2 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 26.53 Bulk Shear: 11.18 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 ------------------------------------------------------------------------------- 500 106 11 329 4| 14.4 0.0 14.4| 9.1 -0.0 9.1 18.1 0.34| 17.8 6.1 1000 93 16 29 7| 7.2 5.6 12.8| 19.1 -4.5 14.6 14.6 0.29| 15.1 4.4 1500 86 19 39 10| 4.8 3.9 8.7| 22.1 -24.6 -2.5 -1.6 0.14| 12.1 1.7 2000 81 19 35 12| 2.8 2.9 5.7| 26.3 -40.6 -14.4 -7.2 0.05| 10.9 0.6 2500 80 19 33 12| 2.1 2.3 4.4| 28.1 -44.7 -16.6 -6.6 0.04| 9.2 0.3 3000 79 19 32 12| 1.7 2.4 4.1| 35.2 -44.7 -9.5 -3.2 0.08| 8.2 0.6 4000 82 20 39 12| 2.4 1.8 4.2| 73.7 -61.7 12.0 3.0 0.15| 8.2 1.2 5000 85 20 41 11| 1.9 1.5 3.4| 77.5 -68.7 8.8 1.8 0.10| 7.7 0.8 6000 88 19 41 10| 1.7 1.3 2.9| 79.6 -70.8 8.8 1.5 0.09| 7.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20250417.00.gif