UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 20 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 107 27.4 25.2 88 2.2 25.8 185 6 300.5 304.3 298.9 361.2 20.58 1 925 788 22.6 20.9 90 1.7 21.4 120 30 302.4 305.6 297.3 352.9 17.06 2 867 1351 19.0 18.7 98 0.3 18.8 129 25 304.3 307.3 297.0 351.5 15.85 3 850 1522 18.4 18.0 98 0.4 18.1 130 23 305.4 308.3 297.0 351.7 15.46 4 743 2670 13.2 13.1 99 0.1 13.1 121 16 311.7 314.2 296.9 351.2 12.87 5 704 3124 11.6 9.5 87 2.1 10.2 133 15 314.8 316.9 296.2 348.0 10.66 6 700 3172 11.6 8.2 80 3.4 9.5 135 15 315.3 317.2 295.7 345.9 9.80 7 672 3513 9.8 5.9 77 3.9 7.4 125 14 317.0 318.7 295.4 344.4 8.71 8 606 4365 4.0 2.2 88 1.8 2.9 141 12 319.8 321.3 295.2 343.6 7.43 9 588 4610 3.0 -4.0 60 7.0 -0.6 145 12 321.4 322.4 293.6 337.2 4.84 10 577 4763 2.2 -0.3 84 2.5 0.8 148 12 322.2 323.5 295.1 343.3 6.50 11 557 5048 0.8 -2.1 81 2.9 -0.7 160 12 323.9 325.0 295.1 343.1 5.90 12 538 5327 -0.3 -10.3 47 10.0 -4.7 163 12 325.8 326.4 293.5 336.7 3.25 13 527 5492 -1.9 -5.3 78 3.4 -3.6 155 11 325.8 326.8 294.8 342.0 4.90 14 523 5553 -2.3 -5.1 81 2.8 -3.7 158 11 326.0 327.0 295.0 342.6 5.01 15 510 5753 -2.9 -9.9 58 7.0 -6.0 168 10 327.6 328.3 294.2 339.6 3.54 16 500 5910 -3.5 -7.3 75 3.8 -5.3 160 9 328.8 329.7 295.2 343.6 4.43 17 493 6022 -4.1 -7.1 80 3.0 -5.5 152 10 329.4 330.3 295.4 344.7 4.56 18 486 6135 -3.9 -13.9 46 10.0 -8.0 144 10 331.0 331.5 294.4 340.2 2.69 19 476 6299 -4.9 -9.5 70 4.6 -7.0 133 11 331.7 332.5 295.5 345.1 3.91 20 472 6366 -4.9 -17.9 35 13.0 -9.7 128 12 332.5 332.9 294.2 339.5 1.98 21 445 6827 -8.3 -11.5 78 3.2 -9.7 152 13 333.9 334.6 295.8 346.2 3.57 22 403 7593 -12.3 -19.3 56 7.0 -14.7 120 9 338.3 338.7 295.7 345.7 2.06 23 400 7650 -12.3 -26.3 30 14.0 -16.3 115 9 339.0 339.2 295.1 343.1 1.12 24 399 7669 -12.5 -28.5 25 16.0 -16.8 115 9 339.0 339.2 294.9 342.4 0.91 25 385 7939 -14.7 -22.7 51 8.0 -17.2 116 10 339.6 339.9 295.6 345.4 1.60 26 379 8058 -15.3 -32.3 22 17.0 -19.3 125 9 340.3 340.5 295.0 342.9 0.67 27 375 8137 -16.1 -24.1 50 8.0 -18.4 131 8 340.3 340.6 295.7 345.6 1.45 28 367 8299 -17.1 -34.1 21 17.0 -20.8 145 6 341.1 341.2 295.1 343.3 0.58 29 304 9675 -28.1 -38.1 38 10.0 -29.7 263 10 344.5 344.6 295.8 346.3 0.47 30 300 9770 -28.7 -39.7 34 11.0 -30.3 265 10 344.9 345.0 295.8 346.5 0.40 31 276 10362 -32.7 -50.7 15 18.0 -34.3 255 14 347.5 347.5 296.2 348.0 0.13 32 270 10517 -34.1 -48.1 23 14.0 -35.4 253 13 347.6 347.7 296.3 348.4 0.18 33 250 11050 -39.1 -51.1 27 12.0 -39.9 290 5 347.9 348.0 296.3 348.5 0.14 34 245 11188 -40.5 -51.5 30 11.0 -41.2 305 4 347.9 347.9 296.3 348.4 0.14 35 231 11587 -43.9 -47.7 66 3.8 -44.2 359 10 348.6 348.6 296.5 349.5 0.22 36 224 11794 -45.5 -52.5 45 7.0 -45.9 9 13 349.2 349.2 296.6 349.8 0.13 37 215 12066 -48.3 -51.2 72 2.9 -48.4 22 16 349.0 349.0 296.5 349.7 0.16 38 211 12190 -49.1 -56.1 44 7.0 -49.4 28 18 349.6 349.6 296.6 350.0 0.09 39 204 12411 -50.7 -53.2 75 2.5 -50.8 39 20 350.5 350.5 296.8 351.1 0.13 40 201 12508 -51.3 -56.3 55 5.0 -51.5 43 22 351.0 351.1 297.0 351.4 0.09 41 200 12540 -51.5 -55.9 59 4.4 -51.7 45 22 351.2 351.2 297.0 351.6 0.10 42 173 13463 -59.5 -62.0 73 2.5 -59.6 62 29 352.9 352.9 297.3 353.1 0.05 43 167 13682 -61.3 -64.7 64 3.4 -61.4 63 31 353.5 353.5 297.4 353.6 0.04 44 164 13794 -61.7 -71.7 25 10.0 -61.8 63 32 354.6 354.6 297.6 354.7 0.01 45 159 13985 -63.1 -74.1 21 11.0 -63.2 64 34 355.4 355.4 297.8 355.5 0.01 46 150 14340 -66.3 -75.3 27 9.0 -66.4 60 40 355.9 355.9 297.9 355.9 0.01 47 147 14462 -67.5 -75.5 31 8.0 -67.5 59 40 355.9 355.9 297.9 355.9 0.01 48 100 16690 -82.5 -88.5 35 6.0 -82.5 155 12 368.3 368.3 300.2 368.3 0.00 49 87 17458 -87.5 -91.4 48 3.9 -87.5 110 17 373.2 373.2 301.1 373.2 0.00 50 70 18680 -75.1 -90.1 8 15.0 -75.2 85 5 423.7 423.7 308.2 423.7 0.00 51 62 19395 -69.3 -90.3 3 21.0 -69.4 105 8 451.5 451.5 311.0 451.5 0.00 52 57 19895 -71.3 -90.3 4 19.0 -71.4 119 10 458.0 458.0 311.6 458.0 0.00 53 54 20218 -67.7 -90.7 2 23.0 -67.9 127 11 473.4 473.4 312.9 473.4 0.00 54 52 20445 -68.9 -90.9 3 22.0 -69.1 134 12 475.8 475.8 313.1 475.8 0.00 55 50 20680 -67.9 -90.9 2 23.0 -68.1 140 13 483.5 483.5 313.7 483.5 0.00 56 34 23033 -62.5 -90.5 1 28.0 -63.1 95 19 554.1 554.1 318.3 554.1 0.00 57 34 23033 -62.7 -90.7 1 28.0 -63.3 95 19 553.5 553.5 318.3 553.6 0.00 58 30 23820 -55.1 -88.1 1 33.0 -56.7 80 21 594.4 594.4 320.3 594.5 0.01 59 27 24494 -52.9 -86.9 1 34.0 -55.1 83 25 618.8 618.8 321.5 618.8 0.01 60 20 26420 -54.3 -87.3 1 33.0 -56.6 90 35 670.0 670.0 323.4 670.0 0.01 61 19 26748 -54.9 -87.9 1 33.0 -57.2 678.0 678.0 323.7 678.1 0.01 62 16 27865 -47.7 -85.7 0 38.0 -52.6 735.7 735.7 325.6 735.8 0.02 63 15 28292 -47.3 -84.3 1 37.0 -52.5 750.7 750.7 326.0 750.9 0.02 TRP 87 17458 -87.5 -91.4 48 3.9 -87.5 110 17 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.84 m Freezing level: 543.18 mb = 5250.70 m = 17226.51 ft Wetbulb zero: 590.90 mb = 4569.81 m = 14992.62 ft Precipitable water: 2.51 inches Sfc-500 mean rel hum: 85.23 % Est. max temperature: 32.27 C = 90.09 F Sfc-Lift cond lev (LCL): 969.08 mb = 381.44 m = 1251.42 ft T: 25.47 C 700-500 lapse rate: 5.51 C/km ThetaE index: 14.47 C Layer 743.0- 577.0 mb Conv cond level (CCL): 911.86 mb = 912.42 m = 2993.46 ft Mean mixing ratio: 18.30 g/kg Conv temperature: 29.69 C = 85.44 F Cap Strength: 0.56 C Lifted Index: -2.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.44 C Lifted Index @700 mb: -0.55 C Showalter Index: -1.12 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.50 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 271.00 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1133.28 J/kg Max Up Vert Vel: 47.61 m/s Conv Inhibition (B-): 2.04 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 925.59 mb = 782.47 m = 2567.14 ft Lev Free Conv (LFC): 900.59 mb = 1020.59 m = 3348.37 ft Equ Level (EL): 150.59 mb = 14316.25 m = 46968.74 ft B at Equ Level: 1132.36 J/kg Max Parcel Lev (MPL): 80.59 mb = 17888.34 m = 58688.07 ft Wind level data Storm motion: 163 at 13 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 107 185 6 0.5 6.0 | 326 7 4.2 -6.2 1 978 305 135 26 -18.4 18.4 | 113 16 -14.8 6.2 2 925 788 120 30 -26.0 15.0 | 97 23 -22.4 2.9 3 912 914 125 31 -25.4 17.8 | 105 22 -21.8 5.6 4 850 1522 130 23 -17.6 14.8 | 101 14 -14.0 2.6 5 791 2134 125 21 -17.2 12.0 | 90 14 -13.6 -0.1 6 763 2438 125 20 -16.4 11.5 | 87 13 -12.8 -0.7 7 736 2743 120 15 -13.0 7.5 | 64 10 -9.4 -4.6 8 700 3172 135 15 -10.6 10.6 | 78 7 -7.0 -1.5 9 685 3353 140 14 -9.0 10.7 | 75 6 -5.4 -1.4 10 659 3658 110 13 -12.2 4.4 | 48 12 -8.6 -7.7 11 635 3962 140 9 -5.8 6.9 | 22 6 -2.2 -5.2 12 612 4267 140 12 -7.7 9.2 | 54 5 -4.1 -2.9 13 568 4877 150 12 -6.0 10.4 | 54 3 -2.4 -1.7 14 547 5182 170 12 -2.1 11.8 | 282 2 1.5 -0.3 15 527 5486 155 11 -4.6 10.0 | 25 2 -1.0 -2.2 16 507 5791 170 10 -1.7 9.8 | 320 3 1.9 -2.3 17 500 5910 160 9 -3.1 8.5 | 351 4 0.6 -3.7 18 469 6401 125 12 -9.8 6.9 | 50 8 -6.2 -5.3 19 434 7010 165 14 -3.6 13.5 | 180 1 0.0 1.4 20 400 7650 115 9 -8.2 3.8 | 28 9 -4.5 -8.3 21 385 7925 115 10 -9.1 4.2 | 34 10 -5.4 -7.9 22 355 8534 165 3 -0.8 2.9 | 343 10 2.9 -9.2 23 301 9754 270 10 10.0 -0.0 | 312 18 13.6 -12.1 24 300 9770 265 10 10.0 0.9 | 310 18 13.6 -11.3 25 288 10058 260 15 14.8 2.6 | 297 21 18.4 -9.5 26 264 10668 250 12 11.3 4.1 | 298 17 14.9 -8.0 27 250 11050 290 5 4.7 -1.7 | 329 16 8.3 -13.9 28 242 11278 315 4 2.8 -2.8 | 337 16 6.5 -15.0 29 231 11582 360 10 -0.0 -10.0 | 351 22 3.6 -22.1 30 200 12540 45 22 -15.6 -15.6 | 23 30 -11.9 -27.7 31 192 12802 60 22 -19.1 -11.0 | 34 28 -15.4 -23.1 32 150 14326 65 38 -34.4 -16.1 | 48 42 -30.8 -28.2 33 150 14340 60 40 -34.6 -20.0 | 44 45 -31.0 -32.1 34 135 14935 55 42 -34.4 -24.1 | 40 48 -30.8 -36.2 35 122 15545 50 40 -30.6 -25.7 | 36 47 -27.0 -37.9 36 110 16154 35 19 -10.9 -15.6 | 15 29 -7.3 -27.7 37 104 16459 35 10 -5.7 -8.2 | 6 20 -2.1 -20.3 38 100 16690 155 12 -5.1 10.9 | 49 2 -1.4 -1.3 39 99 16764 160 10 -3.4 9.4 | 356 3 0.2 -2.7 40 93 17069 155 12 -5.1 10.9 | 49 2 -1.4 -1.3 41 87 17458 110 17 -16.0 5.8 | 63 14 -12.3 -6.3 42 70 18680 85 5 -5.0 -0.4 | 6 13 -1.4 -12.6 43 50 20680 140 13 -8.4 10.0 | 65 5 -4.7 -2.2 44 30 23820 80 21 -20.7 -3.6 | 47 23 -17.1 -15.8 45 20 26420 90 35 -35.0 0.0 | 69 34 -31.4 -12.1 Wind Parameters Mean winds (0-6000m): 133.4 at 16.9 knts Storm direction: 163.4 at 12.7 knts Shear (0-3000m) pos: 1.6 neg: 3.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 109.1 deg Storm rel helicity (0-3000m) pos: 17.4 neg: -62.7 tot: -45.3 m^2/s^2 ave: -15.1 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 10.6 stream: -5.6 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 247.68 Bulk Shear: 4.58 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 23 106 13| 0.0 26.7 26.7| 0.0 -23.5 -23.5 -47.0 -0.72| 37.5-26.9 1000 128 26 103 18| 0.2 13.4 13.6| 14.0 -33.2 -19.3 -19.3 -0.58| 22.8-13.1 1500 128 26 103 17| 2.1 8.9 11.0| 14.0 -38.9 -25.0 -16.6 -0.53| 17.3 -9.2 2000 128 25 101 16| 1.5 6.4 7.9| 14.0 -47.0 -33.0 -16.5 -0.55| 13.5 -7.5 2500 127 24 99 16| 1.2 4.4 5.6| 14.0 -57.5 -43.6 -17.4 -0.57| 11.7 -6.7 3000 127 22 96 14| 1.6 3.7 5.2| 17.4 -62.7 -45.3 -15.1 -0.53| 10.6 -5.6 4000 127 20 90 12| 1.9 2.8 4.6| 19.3 -77.2 -58.0 -14.5 -0.50| 9.9 -4.9 5000 130 18 88 10| 1.9 2.2 4.1| 21.4 -77.8 -56.4 -11.3 -0.46| 8.6 -4.0 6000 133 17 86 9| 1.6 2.1 3.7| 25.9 -79.2 -53.4 -8.9 -0.38| 8.1 -3.0 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250420.23.gif