UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1002 102 22.8 22.6 99 0.2 22.7 90 4 295.8 298.9 295.8 346.1 17.48 1 1000 119 23.2 22.6 96 0.6 22.8 350 3 296.4 299.5 296.0 346.9 17.52 2 961 468 24.2 20.1 78 4.1 21.3 77 6 300.8 303.6 295.8 346.5 15.59 3 925 802 22.2 20.3 89 1.9 20.9 105 9 302.0 305.0 296.7 350.5 16.42 4 862 1415 18.4 17.9 97 0.5 18.1 77 12 304.2 307.0 296.5 349.3 15.14 5 850 1536 18.0 17.1 94 0.9 17.4 70 12 305.0 307.7 296.3 348.6 14.59 6 757 2519 11.6 10.9 95 0.7 11.2 60 15 308.3 310.4 294.7 341.4 10.89 7 700 3173 9.2 6.4 83 2.8 7.5 50 17 312.7 314.3 294.2 339.5 8.65 8 670 3535 7.6 3.4 75 4.2 5.2 43 15 314.8 316.2 293.7 337.8 7.31 9 596 4489 1.6 1.6 100 0.0 1.6 77 17 318.6 320.0 294.7 341.6 7.23 10 538 5309 -2.1 -3.1 93 1.0 -2.6 84 18 323.6 324.7 294.8 342.1 5.67 11 522 5549 -2.3 -8.3 63 6.0 -5.1 92 20 326.2 327.0 294.1 339.3 3.92 12 503 5843 -3.9 -8.4 71 4.5 -6.0 100 24 327.7 328.5 294.6 341.3 4.04 13 500 5890 -4.1 -10.1 63 6.0 -6.8 100 27 328.0 328.7 294.3 340.0 3.55 14 496 5953 -4.1 -15.1 42 11.0 -8.4 103 27 328.8 329.3 293.6 337.0 2.38 15 489 6065 -4.9 -9.4 71 4.5 -7.0 108 27 329.2 329.9 294.8 342.1 3.84 16 476 6277 -5.5 -13.5 53 8.0 -8.8 107 29 331.0 331.5 294.5 340.7 2.84 17 418 7284 -12.5 -13.5 92 1.0 -12.9 112 19 334.5 335.2 295.7 345.7 3.23 18 408 7469 -13.3 -16.7 76 3.4 -14.6 114 20 335.8 336.3 295.4 344.7 2.54 19 400 7620 -14.1 -17.2 77 3.1 -15.2 115 21 336.7 337.2 295.6 345.4 2.48 20 357 8477 -19.3 -22.0 79 2.7 -20.1 101 18 340.8 341.2 296.1 347.5 1.84 21 339 8861 -21.9 -27.9 58 6.0 -23.4 118 17 342.3 342.6 295.9 346.6 1.14 22 322 9238 -25.1 -28.0 77 2.9 -25.8 130 17 343.0 343.2 296.1 347.4 1.19 23 300 9750 -28.5 -32.3 70 3.8 -29.2 95 25 345.2 345.4 296.3 348.5 0.85 24 263 10672 -35.9 -40.7 61 4.8 -36.5 105 28 347.6 347.7 296.5 349.3 0.42 25 250 11020 -38.9 -42.6 68 3.7 -39.3 105 26 348.2 348.3 296.5 349.7 0.36 26 201 12478 -51.5 -55.2 64 3.7 -51.7 124 24 350.7 350.7 296.9 351.2 0.11 27 200 12510 -51.9 -55.7 64 3.8 -52.0 125 24 350.6 350.6 296.8 351.0 0.10 28 184 13044 -56.7 -62.7 47 6.0 -56.8 138 22 351.3 351.3 297.0 351.4 0.05 29 150 14310 -66.5 -72.5 43 6.0 -66.5 115 22 355.5 355.5 297.8 355.6 0.01 30 142 14639 -68.7 -73.5 50 4.8 -68.7 113 20 357.3 357.3 298.2 357.4 0.01 31 136 14896 -70.1 -77.1 35 7.0 -70.1 102 15 359.3 359.3 298.5 359.3 0.01 32 120 15626 -76.9 -79.2 69 2.3 -76.9 116 9 359.9 359.9 298.7 359.9 0.01 33 110 16120 -81.3 -85.2 51 3.9 -81.3 129 4 360.7 360.7 298.8 360.7 0.00 34 100 16650 -84.5 -88.5 49 4.0 -84.5 100 9 364.5 364.5 299.5 364.5 0.00 35 93 17046 -85.9 -90.2 46 4.3 -85.9 130 12 369.3 369.3 300.4 369.4 0.00 36 70 18660 -69.3 -96.3 1 27.0 -69.4 245 33 436.1 436.1 309.5 436.1 0.00 37 50 20670 -62.5 -90.5 1 28.0 -62.9 255 9 496.2 496.2 314.7 496.2 0.00 38 30 23820 -61.9 -89.9 1 28.0 -62.6 300 30 575.9 575.9 319.5 575.9 0.00 TRP 93 17046 -85.9 -90.2 46 4.3 -85.9 130 12 369.3 369.3 300.4 369.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 570.92 mb = 4843.63 m = 15890.97 ft Wetbulb zero: 573.98 mb = 4790.58 m = 15716.93 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 88.48 % Est. max temperature: 31.89 C = 89.41 F Sfc-Lift cond lev (LCL): 999.63 mb = 122.23 m = 401.02 ft T: 23.21 C 700-500 lapse rate: 4.90 C/km ThetaE index: 12.74 C Layer 862.0- 596.0 mb Conv cond level (CCL): 877.01 mb = 1265.02 m = 4150.28 ft Mean mixing ratio: 16.29 g/kg Conv temperature: 30.69 C = 87.25 F Cap Strength: 1.72 C Lifted Index: -0.55 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.84 C Lifted Index @700 mb: -0.90 C Showalter Index: -0.63 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.20 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 256.20 Risk: None Energy Index: -1.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 226.17 J/kg Max Up Vert Vel: 21.27 m/s Conv Inhibition (B-): 40.30 J/kg Cap Strength: 1.72 C Lift Cond Lev (LCL): 918.77 mb = 860.73 m = 2823.87 ft Lev Free Conv (LFC): 813.77 mb = 1905.59 m = 6251.87 ft Equ Level (EL): 473.77 mb = 6313.70 m = 20714.00 ft B at Equ Level: 208.58 J/kg Max Parcel Lev (MPL): 183.77 mb = 13052.07 m = 42821.23 ft Wind level data Storm motion: 102 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 1002 102 90 4 -4.0 0.0 | 289 7 6.9 -2.4 1 1000 119 350 3 0.5 -3.0 | 295 13 11.5 -5.4 2 979 305 85 2 -2.0 -0.2 | 286 9 9.0 -2.6 3 946 610 70 9 -8.5 -3.1 | 336 6 2.5 -5.5 4 925 802 105 9 -8.7 2.3 | 272 2 2.3 -0.1 5 913 914 110 11 -10.3 3.8 | 204 1 0.6 1.4 6 851 1524 70 12 -11.3 -4.1 | 3 7 -0.3 -6.5 7 850 1536 70 12 -11.3 -4.1 | 3 7 -0.3 -6.5 8 821 1829 70 14 -13.2 -4.8 | 17 8 -2.2 -7.2 9 792 2134 50 15 -11.5 -9.6 | 3 12 -0.5 -12.0 10 764 2438 60 16 -13.9 -8.0 | 16 11 -2.9 -10.4 11 737 2743 60 13 -11.3 -6.5 | 2 9 -0.3 -8.9 12 700 3173 50 17 -13.0 -10.9 | 9 13 -2.1 -13.3 13 659 3658 40 14 -9.0 -10.7 | 352 13 1.9 -13.1 14 635 3962 50 18 -13.8 -11.6 | 12 14 -2.8 -14.0 15 611 4267 80 17 -16.7 -3.0 | 47 8 -5.8 -5.4 16 567 4877 70 16 -15.0 -5.5 | 27 9 -4.1 -7.9 17 506 5791 100 21 -20.7 3.6 | 97 10 -9.7 1.2 18 500 5890 100 27 -26.6 4.7 | 98 16 -15.6 2.3 19 487 6096 110 27 -25.4 9.2 | 115 16 -14.4 6.8 20 468 6401 105 31 -29.9 8.0 | 106 20 -19.0 5.6 21 433 7010 110 17 -16.0 5.8 | 124 6 -5.0 3.4 22 400 7620 115 21 -19.0 8.9 | 129 10 -8.1 6.5 23 400 7620 115 24 -21.8 10.1 | 126 13 -10.8 7.7 24 368 8230 105 18 -17.4 4.7 | 109 7 -6.4 2.3 25 354 8534 100 18 -17.7 3.1 | 96 7 -6.8 0.7 26 326 9144 135 16 -11.3 11.3 | 178 9 -0.4 8.9 27 300 9750 95 25 -24.9 2.2 | 89 14 -14.0 -0.2 28 287 10058 90 29 -29.0 0.0 | 82 18 -18.1 -2.4 29 263 10668 105 28 -27.0 7.2 | 107 17 -16.1 4.8 30 250 11020 105 26 -25.1 6.7 | 107 15 -14.2 4.3 31 220 11887 100 26 -25.6 4.5 | 98 15 -14.7 2.1 32 200 12510 125 24 -19.7 13.8 | 143 14 -8.7 11.4 33 182 13106 140 22 -14.1 16.9 | 168 15 -3.2 14.5 34 165 13716 125 24 -19.7 13.8 | 143 14 -8.7 11.4 35 157 14021 140 23 -14.8 17.6 | 166 16 -3.8 15.2 36 150 14310 115 22 -19.9 9.3 | 127 11 -9.0 6.9 37 150 14326 125 25 -20.5 14.3 | 141 15 -9.5 11.9 38 135 14935 100 14 -13.8 2.4 | 91 3 -2.8 0.0 39 109 16154 130 4 -3.1 2.6 | 269 8 7.9 0.2 40 103 16459 115 11 -10.0 4.6 | 203 2 1.0 2.2 41 100 16650 100 9 -8.9 1.6 | 292 2 2.1 -0.8 42 98 16764 95 11 -11.0 1.0 | 1 1 -0.0 -1.4 43 93 17046 130 12 -9.2 7.7 | 198 6 1.8 5.3 44 93 17069 150 10 -5.0 8.7 | 224 9 5.9 6.3 45 88 17374 110 16 -15.0 5.5 | 127 5 -4.1 3.1 46 83 17678 110 11 -10.3 3.8 | 204 1 0.6 1.4 47 79 17983 265 1 1.0 0.1 | 281 12 11.9 -2.3 48 75 18288 360 13 -0.0 -13.0 | 325 19 10.9 -15.4 49 71 18593 325 17 9.8 -13.9 | 308 26 20.7 -16.3 50 70 18660 245 33 29.9 13.9 | 254 42 40.9 11.5 51 64 19202 250 39 36.6 13.3 | 257 49 47.6 10.9 52 58 19812 260 37 36.4 6.4 | 265 48 47.4 4.0 53 50 20670 255 9 8.7 2.3 | 270 20 19.6 -0.1 54 50 20726 240 13 11.3 6.5 | 260 23 22.2 4.1 55 45 21336 140 1 -0.6 0.8 | 279 10 10.3 -1.6 56 43 21641 295 10 9.1 -4.2 | 288 21 20.0 -6.6 57 41 21946 300 12 10.4 -6.0 | 291 23 21.3 -8.4 58 37 22555 230 16 12.3 10.3 | 251 25 23.2 7.9 59 30 23820 300 30 26.0 -15.0 | 295 41 36.9 -17.4 60 28 24079 305 35 28.7 -20.1 | 300 46 39.6 -22.5 61 24 24689 270 21 21.0 -0.0 | 274 32 31.9 -2.4 62 23 24994 275 18 17.9 -1.6 | 278 29 28.9 -4.0 63 21 25298 350 11 1.9 -10.8 | 316 18 12.9 -13.2 64 19 25603 105 26 -25.1 6.7 | 107 15 -14.2 4.3 65 17 26213 125 51 -41.8 29.3 | 131 41 -30.8 26.9 66 15 26518 95 41 -40.8 3.6 | 92 30 -29.9 1.2 Wind Parameters Mean winds (0-6000m): 72.4 at 14.9 knts Storm direction: 102.4 at 11.2 knts Shear (0-3000m) pos: 1.3 neg: 3.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 79.4 deg Storm rel helicity (0-3000m) pos: 23.3 neg: -17.8 tot: 5.5 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 14.86 Bulk Shear: 15.22 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 65 4 301 8| 0.0 5.4 5.4| 12.1 -4.1 8.0 16.1 0.40| 12.8 5.1 1000 90 7 303 5| 2.7 2.7 5.4| 12.2 -7.3 4.8 4.8 0.07| 11.9 0.8 1500 85 9 324 4| 1.8 3.4 5.2| 12.7 -8.2 4.5 3.0 0.04| 10.0 0.4 2000 78 10 346 5| 1.4 3.7 5.1| 14.9 -13.3 1.5 0.8 0.01| 9.0 0.1 2500 72 11 356 6| 1.5 3.0 4.5| 20.8 -15.7 5.2 2.1 0.03| 8.0 0.3 3000 68 12 359 7| 1.3 3.0 4.2| 23.3 -17.8 5.5 1.8 0.03| 7.5 0.2 4000 61 13 2 9| 1.8 2.2 4.0| 49.0 -30.1 18.8 4.7 0.09| 7.2 0.7 5000 65 14 9 8| 1.8 1.8 3.6| 62.6 -35.5 27.1 5.4 0.13| 6.8 0.9 6000 72 15 25 8| 2.8 1.5 4.3|101.9 -35.5 66.4 11.1 0.26| 7.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20250419.12.gif