UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 15 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 ------------------------------------------------------------------------------- 0 1000 93 165 3 SFC 999 102 27.8 24.0 80 3.8 25.0 165 3 301.0 304.5 298.2 357.4 19.13 2 934 695 22.0 21.2 95 0.8 21.5 127 24 301.0 304.1 297.0 351.6 17.21 3 925 779 21.6 19.8 90 1.8 20.4 125 25 301.4 304.3 296.3 348.2 15.91 4 850 1510 17.6 14.6 83 3.0 15.6 100 24 304.6 306.9 294.7 341.5 12.39 5 829 1724 16.2 11.9 76 4.3 13.4 106 23 305.3 307.3 293.6 337.1 10.62 6 796 2069 15.4 2.4 42 13.0 8.2 118 20 308.0 309.1 290.5 325.6 5.72 7 782 2220 16.6 -12.4 13 29.0 4.2 120 21 310.9 311.2 287.8 317.0 1.88 8 753 2541 14.0 0.0 38 14.0 6.5 114 20 311.4 312.4 290.9 327.3 5.08 9 744 2642 13.8 -12.2 15 26.0 2.7 109 18 312.3 312.7 288.3 318.8 2.01 10 735 2745 13.2 -5.8 26 19.0 4.0 103 16 312.7 313.4 289.8 323.5 3.37 11 733 2768 12.8 5.8 62 7.0 8.6 101 16 312.5 314.0 293.6 337.1 7.92 12 721 2906 11.2 9.4 89 1.8 10.0 93 13 312.2 314.2 295.3 344.1 10.33 13 700 3153 10.6 7.9 83 2.7 8.9 60 7 314.2 316.1 295.3 344.1 9.60 14 687 3309 9.8 7.8 87 2.0 8.5 37 9 315.0 316.9 295.6 345.3 9.72 15 682 3370 10.4 7.1 80 3.3 8.3 29 10 316.3 318.1 295.7 345.6 9.33 16 632 4003 7.8 2.9 71 4.9 4.9 20 15 320.3 321.8 295.4 344.3 7.49 17 586 4624 4.2 0.4 76 3.8 2.1 10 12 323.2 324.5 295.5 345.0 6.74 18 500 5900 -4.3 -4.6 98 0.3 -4.4 25 6 327.8 328.9 295.7 345.9 5.45 19 494 5995 -4.9 -5.2 98 0.3 -5.1 22 7 328.2 329.2 295.7 345.7 5.27 20 458 6586 -6.3 -11.3 68 5.0 -8.5 9 9 333.6 334.3 295.7 345.8 3.52 21 402 7592 -12.5 -22.5 43 10.0 -15.7 0 0 338.3 338.6 295.3 343.9 1.56 22 400 7630 -12.9 -20.9 51 8.0 -15.6 175 1 338.2 338.6 295.4 344.7 1.81 23 376 8099 -15.9 -28.9 32 13.0 -19.2 207 3 340.3 340.5 295.2 343.8 0.93 24 367 8281 -16.9 -27.9 38 11.0 -19.8 220 3 341.3 341.5 295.6 345.3 1.05 25 355 8529 -18.7 -28.7 41 10.0 -21.2 237 4 342.2 342.4 295.7 346.0 1.01 26 346 8720 -20.5 -24.0 73 3.5 -21.5 251 5 342.3 342.6 296.2 348.1 1.59 27 317 9362 -24.9 -30.9 57 6.0 -26.2 296 7 344.8 345.0 296.3 348.3 0.92 28 300 9760 -28.3 -32.3 68 4.0 -29.1 325 8 345.5 345.7 296.4 348.7 0.85 29 277 10331 -32.5 -35.1 78 2.6 -32.9 337 11 347.4 347.6 296.7 350.1 0.70 30 250 11050 -38.1 -42.4 64 4.3 -38.5 5 17 349.4 349.5 296.8 350.9 0.37 31 241 11301 -39.9 -46.9 47 7.0 -40.5 3 18 350.4 350.5 296.9 351.4 0.23 32 235 11472 -41.7 -48.7 47 7.0 -42.2 1 19 350.2 350.3 296.8 351.0 0.19 33 223 11824 -44.9 -49.1 63 4.2 -45.2 351 21 350.6 350.6 297.0 351.4 0.20 34 206 12347 -49.3 -58.3 34 9.0 -49.6 324 19 351.7 351.7 297.1 352.0 0.07 35 201 12508 -50.5 -58.5 38 8.0 -50.8 312 15 352.3 352.3 297.2 352.6 0.07 36 200 12540 -50.9 -58.9 38 8.0 -51.2 310 14 352.2 352.2 297.1 352.5 0.07 37 195 12704 -52.3 -67.3 15 15.0 -52.7 309 14 352.5 352.5 297.2 352.6 0.02 38 189 12905 -54.1 -60.1 48 6.0 -54.3 307 13 352.8 352.8 297.3 353.0 0.06 39 186 13007 -54.9 -69.9 14 15.0 -55.2 306 13 353.1 353.1 297.3 353.2 0.02 40 164 13796 -62.1 -66.8 53 4.7 -62.1 226 10 353.9 354.0 297.5 354.1 0.03 41 162 13871 -62.9 -69.9 38 7.0 -63.0 221 11 353.8 353.9 297.5 353.9 0.02 42 159 13986 -63.7 -67.2 62 3.5 -63.7 213 12 354.4 354.4 297.6 354.5 0.03 43 155 14141 -64.9 -71.9 37 7.0 -65.0 203 13 354.9 354.9 297.7 355.0 0.01 44 150 14340 -66.9 -72.9 42 6.0 -67.0 190 14 354.8 354.8 297.7 354.9 0.01 45 137 14883 -70.9 -74.3 61 3.4 -70.9 177 14 357.1 357.1 298.1 357.1 0.01 46 113 16003 -78.5 -85.5 31 7.0 -78.5 119 8 363.1 363.1 299.3 363.1 0.00 47 108 16262 -77.3 -88.3 16 11.0 -77.3 94 12 370.1 370.1 300.6 370.1 0.00 48 100 16700 -80.9 -88.9 25 8.0 -80.9 60 19 371.4 371.4 300.8 371.4 0.00 49 92 17166 -84.3 -90.3 34 6.0 -84.3 75 8 373.7 373.7 301.2 373.7 0.00 50 82 17801 -85.1 -91.1 33 6.0 -85.1 77 7 384.5 384.5 302.9 384.5 0.00 51 77 18152 -81.1 -89.1 25 8.0 -81.1 78 7 399.8 399.8 305.2 399.8 0.00 52 70 18690 -79.9 -89.9 17 10.0 -79.9 80 6 413.4 413.4 306.9 413.5 0.00 53 57 19889 -67.5 -90.5 2 23.0 -67.7 95 3 466.6 466.6 312.4 466.6 0.00 54 55 20103 -68.9 -90.9 3 22.0 -69.1 98 2 468.2 468.2 312.5 468.2 0.00 55 50 20680 -63.7 -90.7 1 27.0 -64.1 105 1 493.4 493.4 314.5 493.4 0.00 56 45 21326 -62.1 -90.1 1 28.0 -62.6 110 5 512.3 512.4 315.8 512.4 0.00 57 37 22517 -67.5 -92.5 2 25.0 -67.8 120 11 528.0 528.0 316.8 528.0 0.00 58 30 23820 -53.5 -88.5 1 35.0 -55.4 130 18 598.8 598.8 320.6 598.8 0.01 59 29 24037 -53.5 -88.5 1 35.0 -55.4 127 19 604.6 604.6 320.8 604.7 0.01 60 27 24497 -52.5 -88.5 1 36.0 -54.7 120 21 619.9 619.9 321.5 620.0 0.01 61 22 25804 -56.7 -89.7 1 33.0 -58.5 99 27 644.8 644.8 322.5 644.8 0.01 62 20 26410 -54.5 -90.5 0 36.0 -56.8 90 30 669.4 669.4 323.4 669.4 0.01 63 18 27095 -47.9 -86.9 0 39.0 -52.4 710.7 710.7 324.8 710.7 0.01 64 15 28298 -47.7 -85.7 0 38.0 -52.8 749.4 749.4 325.9 749.5 0.02 TRP 92 17166 -84.3 -90.3 34 6.0 -84.3 75 8 373.7 373.7 301.2 373.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 543.51 mb = 5254.73 m = 17239.70 ft Wetbulb zero: 558.62 mb = 5009.00 m = 16433.54 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 74.67 % Est. max temperature: 31.38 C = 88.48 F Sfc-Lift cond lev (LCL): 945.88 mb = 583.29 m = 1913.66 ft T: 23.09 C 700-500 lapse rate: 5.42 C/km ThetaE index: 40.42 C Layer 934.0- 753.0 mb Conv cond level (CCL): 910.06 mb = 919.78 m = 3017.63 ft Mean mixing ratio: 17.24 g/kg Conv temperature: 28.77 C = 83.79 F Cap Strength: 1.35 C Lifted Index: -2.09 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.07 C Lifted Index @700 mb: -0.55 C Showalter Index: 1.83 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 18.90 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 229.20 Risk: None Energy Index: 0.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 236.88 J/kg Max Up Vert Vel: 21.77 m/s Conv Inhibition (B-): 1.46 J/kg Cap Strength: 1.30 C Lift Cond Lev (LCL): 920.18 mb = 824.14 m = 2703.85 ft Lev Free Conv (LFC): 895.18 mb = 1062.27 m = 3485.08 ft Equ Level (EL): 785.18 mb = 2185.32 m = 7169.59 ft B at Equ Level: 23.15 J/kg Max Parcel Lev (MPL): 125.18 mb = 15407.62 m = 50549.33 ft Wind level data Storm motion: 114 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 ---------------------------------------------------------- 0 999 102 165 3 -0.8 2.9 | 281 10 10.0 -1.9 1 976 305 135 20 -14.1 14.1 | 160 10 -3.4 9.3 2 925 779 125 25 -20.5 14.3 | 134 14 -9.7 9.5 3 911 914 115 27 -24.5 11.4 | 116 15 -13.7 6.6 4 850 1510 100 24 -23.6 4.2 | 87 13 -12.9 -0.7 5 849 1524 100 24 -23.6 4.2 | 87 13 -12.9 -0.7 6 790 2134 120 20 -17.3 10.0 | 128 8 -6.6 5.2 7 762 2438 120 22 -19.1 11.0 | 127 10 -8.3 6.2 8 709 3048 85 10 -10.0 -0.9 | 352 6 0.8 -5.7 9 700 3153 60 7 -6.1 -3.5 | 331 10 4.7 -8.3 10 683 3353 30 10 -5.0 -8.7 | 337 15 5.8 -13.5 11 658 3658 15 17 -4.4 -16.4 | 343 22 6.4 -21.2 12 611 4267 25 14 -5.9 -12.7 | 345 18 4.8 -17.5 13 588 4572 10 12 -2.1 -11.8 | 332 19 8.7 -16.6 14 500 5900 25 6 -2.5 -5.4 | 321 13 8.2 -10.3 15 469 6401 10 10 -1.7 -9.8 | 328 17 9.0 -14.7 16 401 7620 0 0 -0.0 -0.0 | 294 12 10.8 -4.8 17 400 7630 175 1 -0.1 1.0 | 290 11 10.7 -3.8 18 300 9760 325 8 4.6 -6.6 | 307 19 15.3 -11.4 19 288 10058 335 10 4.2 -9.1 | 313 20 15.0 -13.9 20 264 10668 340 13 4.4 -12.2 | 318 23 15.2 -17.0 21 253 10973 10 15 -2.6 -14.8 | 337 21 8.1 -19.6 22 250 11050 5 17 -1.5 -16.9 | 337 24 9.3 -21.8 23 231 11582 360 20 -0.0 -20.0 | 337 27 10.8 -24.8 24 211 12192 335 23 9.7 -20.8 | 321 33 20.5 -25.7 25 200 12540 310 14 10.7 -9.0 | 303 26 21.5 -13.8 26 183 13106 305 13 10.6 -7.5 | 300 25 21.4 -12.3 27 166 13716 230 10 7.7 6.4 | 265 18 18.4 1.6 28 150 14340 190 14 2.4 13.8 | 236 16 13.2 9.0 29 135 14935 175 14 -1.2 13.9 | 226 13 9.5 9.1 30 122 15545 130 13 -10.0 8.4 | 193 4 0.8 3.5 31 116 15850 130 6 -4.6 3.9 | 279 6 6.2 -1.0 32 110 16154 105 11 -10.6 2.8 | 356 2 0.1 -2.0 33 104 16459 70 14 -13.2 -4.8 | 14 10 -2.4 -9.6 34 100 16700 60 19 -16.5 -9.5 | 22 15 -5.7 -14.3 35 99 16764 55 15 -12.3 -8.6 | 7 14 -1.5 -13.4 36 94 17069 60 19 -16.5 -9.5 | 22 15 -5.7 -14.3 37 92 17166 75 8 -7.7 -2.1 | 336 8 3.0 -6.9 38 70 18690 80 6 -5.9 -1.0 | 320 8 4.8 -5.9 39 50 20680 105 1 -1.0 0.3 | 295 11 9.8 -4.6 40 30 23820 130 18 -13.8 11.6 | 156 7 -3.0 6.8 41 20 26410 90 30 -30.0 0.0 | 76 20 -19.2 -4.8 Wind Parameters Mean winds (0-6000m): 84.1 at 15.7 knts Storm direction: 114.1 at 11.8 knts Shear (0-3000m) pos: 1.2 neg: 2.8 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 59.1 deg Storm rel helicity (0-3000m) pos: 19.8 neg: -115.9 tot: -96.2 m^2/s^2 ave: -32.1 10^-3 m/s^2 rel: -0.65 Storm rel vorticity (0-3000m) horiz: 11.2 stream: -7.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 9.20 Bulk Shear: 25.74 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 ------------------------------------------------------------------------------- 500 134 17 165 7| 0.0 21.4 21.4| 0.0 -42.6 -42.6 -85.3 -0.93| 23.6-22.0 1000 125 22 138 10| 0.0 12.6 12.6| 0.0 -75.3 -75.3 -75.3 -0.93| 16.7-15.5 1500 118 23 121 11| 0.0 7.6 7.6| 2.8 -91.9 -89.1 -59.4 -0.88| 13.2-11.6 2000 116 22 117 11| 1.8 5.7 7.5| 19.0 -91.9 -72.9 -36.4 -0.61| 11.7 -7.2 2500 116 22 118 10| 1.4 4.5 6.0| 19.8 -99.7 -79.9 -32.0 -0.60| 10.7 -6.4 3000 115 21 116 9| 1.2 2.8 4.0| 19.8-115.9 -96.2 -32.1 -0.65| 11.2 -7.3 4000 102 19 83 8| 1.0 3.1 4.1| 32.0-118.1 -86.1 -21.5 -0.49| 10.6 -5.3 5000 91 17 56 8| 1.0 2.2 3.1| 32.1-140.6-108.5 -21.7 -0.51| 9.2 -4.7 6000 84 16 37 8| 1.0 1.9 2.8| 35.7-149.0-113.3 -18.9 -0.49| 8.2 -4.0 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250415.23.gif