UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 27 APR 25 Station: Y4155 WMO ident: 94155 ------------------------------------------------------------------------------- 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 1000 109 25.8 23.7 88 2.1 24.3 120 3 299.0 302.4 297.4 353.7 18.76 1 925 788 22.2 18.9 82 3.3 19.9 75 20 302.0 304.8 295.8 346.3 15.02 2 850 1520 17.6 16.5 93 1.1 16.8 70 20 304.6 307.2 295.8 346.4 14.03 3 832 1703 16.2 15.7 97 0.5 15.9 71 20 305.0 307.5 295.7 345.6 13.61 4 809 1942 15.8 12.1 79 3.7 13.4 65 21 307.0 309.1 294.4 340.3 11.03 5 762 2449 13.0 12.0 94 1.0 12.3 60 23 309.3 311.5 295.4 344.7 11.65 6 709 3055 11.2 6.5 73 4.7 8.3 55 16 313.7 315.4 294.4 340.5 8.60 7 700 3162 10.2 6.4 77 3.8 7.9 55 17 313.8 315.4 294.5 340.7 8.65 8 647 3814 6.8 1.8 70 5.0 3.9 75 18 317.1 318.4 294.0 338.5 6.75 9 592 4539 2.0 1.9 99 0.1 2.0 58 16 319.7 321.1 295.1 343.4 7.44 10 578 4732 1.4 0.1 91 1.3 0.7 53 16 321.2 322.5 295.0 342.7 6.69 11 572 4816 1.6 -2.5 74 4.1 -0.6 50 16 322.3 323.4 294.4 340.5 5.57 12 523 5534 -2.5 -3.3 94 0.8 -2.9 55 18 325.8 326.9 295.4 344.7 5.74 13 507 5780 -3.7 -7.7 74 4.0 -5.6 51 16 327.2 328.1 294.7 341.4 4.23 14 500 5890 -4.1 -7.3 78 3.2 -5.6 50 15 328.0 328.9 295.0 342.9 4.43 15 470 6376 -6.9 -8.3 90 1.4 -7.5 46 15 330.4 331.3 295.6 345.2 4.36 16 454 6646 -7.9 -12.5 69 4.6 -9.8 48 15 332.5 333.1 295.2 343.6 3.23 17 400 7620 -14.1 -16.2 84 2.1 -14.9 55 15 336.7 337.2 295.8 346.2 2.70 18 397 7677 -14.5 -16.3 86 1.8 -15.2 55 15 336.9 337.4 295.8 346.4 2.70 19 304 9655 -27.5 -30.7 74 3.2 -28.2 21 12 345.3 345.5 296.4 349.0 0.97 20 300 9750 -28.3 -31.3 75 3.0 -28.9 20 12 345.5 345.7 296.4 349.1 0.93 21 250 11030 -38.9 -41.7 75 2.8 -39.2 15 17 348.2 348.3 296.6 349.8 0.39 22 227 11680 -44.7 -48.5 66 3.8 -45.0 11 20 349.1 349.2 296.6 350.0 0.21 23 225 11739 -45.1 -48.3 70 3.2 -45.3 10 20 349.4 349.4 296.7 350.3 0.21 24 200 12510 -51.9 -58.9 43 7.0 -52.1 5 23 350.6 350.6 296.8 350.9 0.07 25 188 12907 -55.5 -68.5 18 13.0 -55.7 3 21 351.0 351.0 296.9 351.1 0.02 26 157 14026 -66.3 -72.3 43 6.0 -66.4 8 19 351.3 351.3 296.9 351.3 0.01 27 152 14221 -67.9 -72.3 53 4.4 -67.9 13 20 351.8 351.8 297.0 351.8 0.01 28 150 14300 -68.5 -73.2 51 4.7 -68.5 15 20 352.1 352.1 297.1 352.1 0.01 29 117 15751 -80.1 -86.1 36 6.0 -80.1 42 31 356.6 356.6 298.0 356.6 0.00 30 115 15848 -80.5 -86.5 36 6.0 -80.5 45 30 357.6 357.6 298.2 357.6 0.00 31 100 16640 -79.7 -88.7 21 9.0 -79.7 115 8 373.7 373.7 301.2 373.7 0.00 32 94 16990 -81.5 -89.5 24 8.0 -81.5 109 8 376.9 376.9 301.8 376.9 0.00 33 93 17050 -79.3 -89.3 18 10.0 -79.3 107 8 382.4 382.4 302.6 382.4 0.00 34 85 17560 -80.9 -89.9 21 9.0 -80.9 94 8 389.1 389.1 303.6 389.1 0.00 35 81 17835 -76.3 -88.3 13 12.0 -76.3 87 7 403.9 403.9 305.7 403.9 0.00 36 70 18670 -79.7 -90.7 15 11.0 -79.7 65 7 413.9 413.9 307.0 413.9 0.00 37 68 18834 -80.3 -91.3 14 11.0 -80.3 68 7 416.0 416.0 307.3 416.0 0.00 38 59 19659 -68.7 -90.7 3 22.0 -68.9 85 9 459.3 459.3 311.7 459.3 0.00 39 54 20187 -69.9 -90.9 3 21.0 -70.1 96 9 468.3 468.3 312.5 468.4 0.00 40 50 20650 -65.5 -90.5 2 25.0 -65.8 105 10 489.1 489.1 314.1 489.1 0.00 41 44 21436 -60.9 -89.9 1 29.0 -61.5 97 13 518.6 518.6 316.2 518.6 0.00 42 36 22691 -58.7 -90.7 1 32.0 -59.6 86 17 554.9 554.9 318.3 554.9 0.00 43 31 23626 -60.9 -90.9 1 30.0 -61.7 77 20 573.2 573.2 319.3 573.2 0.00 44 30 23830 -59.9 -90.9 1 31.0 -60.9 75 21 581.3 581.3 319.8 581.4 0.00 45 20 26410 -50.1 -88.1 0 38.0 -53.6 85 48 682.8 682.8 323.9 682.9 0.01 46 15 28307 -45.9 -84.9 0 39.0 -51.7 755.3 755.3 326.1 755.5 0.02 TRP 115 15848 -80.5 -86.5 36 6.0 -80.5 45 30 357.6 357.6 298.2 357.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5780.56 m Freezing level: 552.88 mb = 5096.06 m = 16719.15 ft Wetbulb zero: 574.76 mb = 4777.20 m = 15673.03 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 84.13 % Est. max temperature: 31.43 C = 88.58 F Sfc-Lift cond lev (LCL): 970.35 mb = 371.46 m = 1218.68 ft T: 24.41 C 700-500 lapse rate: 5.24 C/km ThetaE index: 7.40 C Layer 925.0- 850.0 mb Conv cond level (CCL): 879.30 mb = 1226.66 m = 4024.41 ft Mean mixing ratio: 16.36 g/kg Conv temperature: 30.41 C = 86.74 F Cap Strength: 1.40 C Lifted Index: -0.84 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.57 C Lifted Index @700 mb: -0.13 C Showalter Index: 0.16 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.60 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.00 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 174.30 J/kg Max Up Vert Vel: 18.67 m/s Conv Inhibition (B-): 19.43 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 912.73 mb = 903.61 m = 2964.56 ft Lev Free Conv (LFC): 847.73 mb = 1542.88 m = 5061.89 ft Equ Level (EL): 727.73 mb = 2836.05 m = 9304.51 ft B at Equ Level: 22.61 J/kg Max Parcel Lev (MPL): 167.73 mb = 13615.23 m = 44668.85 ft Wind level data Storm motion: 92 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 1000 109 120 3 -2.6 1.5 | 265 11 11.3 1.0 1 978 305 65 21 -19.0 -8.9 | 29 11 -5.2 -9.4 2 944 610 80 22 -21.7 -3.8 | 61 9 -7.8 -4.3 3 925 788 75 20 -19.3 -5.2 | 44 8 -5.5 -5.7 4 912 914 70 22 -20.7 -7.5 | 40 11 -6.8 -8.0 5 880 1219 60 21 -18.2 -10.5 | 21 12 -4.3 -11.0 6 850 1520 70 20 -18.8 -6.8 | 34 9 -4.9 -7.4 7 850 1524 75 20 -19.3 -5.2 | 44 8 -5.5 -5.7 8 791 2134 60 21 -18.2 -10.5 | 21 12 -4.3 -11.0 9 736 2743 60 24 -20.8 -12.0 | 29 14 -6.9 -12.5 10 709 3048 55 16 -13.1 -9.2 | 356 10 0.7 -9.7 11 700 3162 55 17 -13.9 -9.8 | 0 10 -0.1 -10.3 12 634 3962 80 18 -17.7 -3.1 | 47 5 -3.9 -3.7 13 611 4267 65 16 -14.5 -6.8 | 5 7 -0.6 -7.3 14 546 5182 40 16 -10.3 -12.3 | 344 13 3.6 -12.8 15 526 5486 55 18 -14.7 -10.3 | 5 11 -0.9 -10.8 16 500 5890 50 15 -11.5 -9.6 | 347 10 2.4 -10.2 17 487 6096 45 15 -10.6 -10.6 | 344 12 3.2 -11.1 18 433 7010 50 15 -11.5 -9.6 | 347 10 2.4 -10.2 19 416 7315 60 21 -18.2 -10.5 | 21 12 -4.3 -11.0 20 400 7620 55 15 -12.3 -8.6 | 350 9 1.6 -9.1 21 384 7925 55 15 -12.3 -8.6 | 350 9 1.6 -9.1 22 354 8534 360 7 -0.0 -7.0 | 299 16 13.9 -7.5 23 339 8839 10 10 -1.7 -9.8 | 311 16 12.1 -10.4 24 326 9144 25 12 -5.1 -10.9 | 322 14 8.8 -11.4 25 300 9750 20 12 -4.1 -11.3 | 320 15 9.8 -11.8 26 275 10363 15 15 -3.9 -14.5 | 326 18 10.0 -15.0 27 252 10973 30 17 -8.5 -14.7 | 341 16 5.4 -15.2 28 250 11030 15 17 -4.4 -16.4 | 331 19 9.5 -16.9 29 200 12510 5 23 -2.0 -22.9 | 333 26 11.9 -23.4 30 165 13716 360 17 -0.0 -17.0 | 322 22 13.9 -17.5 31 150 14300 15 20 -5.2 -19.3 | 336 22 8.7 -19.8 32 149 14326 5 16 -1.4 -15.9 | 323 21 12.5 -16.5 33 121 15545 35 33 -18.9 -27.0 | 10 28 -5.1 -27.6 34 115 15848 45 30 -21.2 -21.2 | 19 23 -7.4 -21.7 35 115 15850 30 28 -14.0 -24.2 | 0 25 -0.1 -24.8 36 109 16154 45 30 -21.2 -21.2 | 19 23 -7.4 -21.7 37 103 16459 55 13 -10.6 -7.5 | 338 9 3.2 -8.0 38 100 16640 115 8 -7.3 3.4 | 247 7 6.6 2.9 39 98 16764 115 8 -7.3 3.4 | 247 7 6.6 2.9 40 70 18670 65 7 -6.3 -3.0 | 295 8 7.5 -3.5 41 50 20650 105 10 -9.7 2.6 | 244 5 4.2 2.1 42 30 23830 75 21 -20.3 -5.4 | 47 9 -6.4 -6.0 43 20 26410 85 48 -47.8 -4.2 | 82 34 -34.0 -4.7 Wind Parameters Mean winds (0-6000m): 62.2 at 18.5 knts Storm direction: 92.2 at 13.9 knts Shear (0-3000m) pos: 0.6 neg: 3.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 31.6 neg: -44.8 tot: -13.2 m^2/s^2 ave: -4.4 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 122.97 Bulk Shear: 1.42 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 72 18 27 7| 0.0 20.4 20.4| 18.7 0.0 18.7 37.3 0.61| 31.5 19.3 1000 72 20 36 8| 0.0 10.2 10.2| 18.7 -13.9 4.8 4.8 0.35| 19.6 6.8 1500 70 20 33 9| 1.2 6.8 8.0| 26.5 -17.4 9.1 6.0 0.34| 15.1 5.2 2000 69 20 32 9| 0.9 5.6 6.5| 26.5 -25.5 1.0 0.5 0.25| 12.5 3.1 2500 67 20 30 10| 0.7 5.0 5.7| 30.6 -25.5 5.1 2.0 0.26| 10.5 2.7 3000 66 20 28 10| 0.6 3.1 3.7| 31.6 -44.8 -13.2 -4.4 0.12| 10.1 1.3 4000 66 20 26 9| 1.1 2.3 3.4| 43.5 -47.5 -4.1 -1.0 0.16| 8.8 1.4 5000 64 19 21 9| 0.9 2.3 3.1| 43.5 -60.2 -16.8 -3.4 0.08| 7.9 0.6 6000 62 18 15 9| 1.0 1.9 2.9| 55.3 -70.7 -15.4 -2.6 0.07| 7.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250427.23.gif