UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 18 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 91 200 3 SFC 999 100 27.0 24.4 86 2.6 25.1 200 3 300.2 303.8 298.2 357.9 19.61 2 948 561 22.8 21.9 95 0.9 22.2 190 6 300.5 303.7 297.2 352.5 17.72 3 926 767 22.2 17.2 73 5.0 18.8 185 8 301.9 304.4 294.7 341.6 13.45 4 925 776 22.2 17.2 73 5.0 18.8 185 8 302.0 304.5 294.7 341.7 13.47 5 863 1377 18.6 15.4 82 3.2 16.4 168 10 304.3 306.7 295.0 342.6 12.86 6 850 1508 17.8 13.3 75 4.5 14.8 175 10 304.8 306.9 294.0 338.8 11.37 7 793 2099 15.4 5.4 51 10.0 9.5 213 8 308.3 309.7 291.7 330.1 7.11 8 778 2261 15.0 7.0 59 8.0 10.2 213 11 309.6 311.1 292.9 334.4 8.10 9 775 2294 14.8 11.1 78 3.7 12.4 212 12 309.7 311.8 295.0 342.6 10.78 10 755 2516 16.4 -6.6 20 23.0 5.2 209 15 313.8 314.4 289.9 323.7 3.09 11 750 2573 15.8 2.8 42 13.0 8.3 208 15 313.7 314.9 292.6 333.3 6.25 12 700 3155 12.2 3.2 54 9.0 6.9 225 15 316.0 317.3 293.7 337.8 6.90 13 593 4519 2.6 -1.1 77 3.7 0.6 236 19 320.2 321.4 294.1 339.4 5.96 14 533 5373 -3.1 -8.1 68 5.0 -5.4 197 14 323.3 324.1 293.4 336.2 3.90 15 526 5477 -2.3 -24.3 17 22.0 -9.1 195 13 325.5 325.7 291.5 329.1 1.02 16 523 5523 -1.9 -30.9 9 29.0 -9.7 196 13 326.5 326.6 291.3 328.5 0.56 17 503 5833 -2.5 -28.5 12 26.0 -9.9 210 15 329.4 329.6 292.3 332.1 0.72 18 500 5880 -2.9 -28.9 11 26.0 -10.2 210 15 329.5 329.6 292.3 332.1 0.70 19 495 5960 -3.5 -30.5 10 27.0 -10.8 206 15 329.7 329.8 292.3 332.0 0.61 20 486 6105 -4.9 -13.9 49 9.0 -8.5 200 14 329.7 330.3 294.1 339.0 2.69 21 461 6520 -8.1 -37.1 8 29.0 -14.4 210 17 330.8 330.8 292.3 332.1 0.34 22 455 6622 -8.9 -28.9 18 20.0 -14.2 213 17 331.0 331.2 292.7 333.8 0.77 23 442 6848 -8.3 -13.0 69 4.7 -10.3 233 17 334.5 335.2 295.6 345.6 3.18 24 400 7620 -12.7 -18.7 61 6.0 -14.8 255 18 338.5 338.9 295.8 346.3 2.19 25 380 8010 -14.5 -23.5 46 9.0 -17.3 255 16 341.1 341.4 295.9 346.7 1.51 26 349 8647 -19.9 -28.9 45 9.0 -22.1 296 14 342.2 342.4 295.7 346.0 1.01 27 327 9126 -23.7 -28.7 63 5.0 -24.9 299 14 343.4 343.6 296.1 347.5 1.09 28 317 9352 -25.1 -40.1 23 15.0 -27.5 289 14 344.5 344.6 295.7 346.0 0.37 29 300 9750 -28.1 -34.1 56 6.0 -29.2 310 13 345.8 345.9 296.3 348.5 0.71 30 255 10894 -37.7 -47.7 34 10.0 -38.6 2 20 348.0 348.1 296.4 348.9 0.20 31 250 11030 -38.7 -47.7 38 9.0 -39.5 10 21 348.5 348.6 296.5 349.4 0.21 32 233 11509 -43.1 -49.1 52 6.0 -43.5 22 24 348.9 349.0 296.5 349.7 0.19 33 230 11596 -43.5 -55.5 25 12.0 -44.1 23 24 349.6 349.7 296.6 350.0 0.09 34 200 12520 -51.5 -55.4 63 3.9 -51.7 35 18 351.2 351.2 297.0 351.7 0.10 35 183 13090 -56.3 -58.7 74 2.4 -56.3 64 15 352.5 352.5 297.3 352.8 0.08 36 153 14200 -66.3 -70.8 53 4.5 -66.4 69 23 353.9 353.9 297.5 353.9 0.02 37 150 14320 -67.1 -71.2 56 4.1 -67.1 70 25 354.5 354.5 297.6 354.6 0.02 38 126 15349 -75.9 -80.8 46 4.9 -75.9 58 24 356.7 356.7 298.1 356.7 0.00 39 125 15395 -76.1 -82.1 38 6.0 -76.1 57 25 357.2 357.2 298.1 357.2 0.00 40 122 15536 -75.5 -85.5 19 10.0 -75.5 53 29 360.7 360.7 298.8 360.8 0.00 41 116 15827 -76.3 -88.3 13 12.0 -76.3 46 38 364.5 364.5 299.5 364.5 0.00 42 100 16670 -81.9 -88.9 29 7.0 -81.9 360 5 369.5 369.5 300.5 369.5 0.00 43 90 17252 -86.5 -91.0 44 4.5 -86.5 20 9 371.6 371.6 300.8 371.6 0.00 44 74 18350 -76.5 -89.5 11 13.0 -76.6 255 22 414.1 414.1 307.0 414.1 0.00 45 70 18670 -76.7 -89.7 11 13.0 -76.7 220 26 420.3 420.3 307.7 420.3 0.00 46 57 19864 -71.9 -90.9 4 19.0 -72.0 199 16 456.6 456.6 311.5 456.6 0.00 47 50 20640 -69.5 -90.5 3 21.0 -69.6 185 9 479.7 479.7 313.4 479.7 0.00 48 45 21271 -68.3 -91.3 2 23.0 -68.5 173 10 497.3 497.3 314.8 497.3 0.00 49 39 22142 -62.7 -89.7 1 27.0 -63.2 156 12 532.2 532.2 317.1 532.3 0.00 50 37 22465 -64.1 -90.1 2 26.0 -64.6 150 13 536.7 536.7 317.3 536.7 0.00 51 35 22809 -59.7 -89.7 1 30.0 -60.5 143 14 556.8 556.8 318.5 556.8 0.00 52 30 23780 -56.7 -87.7 1 31.0 -58.0 125 16 590.1 590.1 320.2 590.1 0.01 53 28 24217 -55.3 -87.3 1 32.0 -56.9 117 18 605.7 605.7 320.9 605.8 0.01 54 24 25201 -53.9 -86.9 1 33.0 -56.1 100 21 637.1 637.1 322.2 637.1 0.01 55 21 26050 -57.1 -87.1 1 30.0 -58.8 85 24 652.2 652.2 322.7 652.3 0.01 56 20 26360 -54.3 -87.3 1 33.0 -56.6 80 25 670.0 670.0 323.4 670.0 0.01 57 17 27418 -47.5 -84.5 1 37.0 -52.2 723.6 723.7 325.2 723.8 0.02 58 15 28246 -47.3 -84.3 1 37.0 -52.5 750.7 750.7 326.0 750.9 0.02 59 13 29192 -47.5 -84.5 1 37.0 -53.1 781.4 781.4 326.8 781.6 0.02 TRP 90 17252 -86.5 -91.0 44 4.5 -86.5 20 9 371.6 371.6 300.8 371.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 565.63 mb = 4908.57 m = 16104.05 ft Wetbulb zero: 586.92 mb = 4601.79 m = 15097.54 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 62.84 % Est. max temperature: 31.62 C = 88.91 F Sfc-Lift cond lev (LCL): 962.45 mb = 428.19 m = 1404.81 ft T: 24.01 C 700-500 lapse rate: 5.54 C/km ThetaE index: 18.86 C Layer 755.0- 750.0 mb Conv cond level (CCL): 879.23 mb = 1215.96 m = 3989.31 ft Mean mixing ratio: 16.49 g/kg Conv temperature: 30.45 C = 86.81 F Cap Strength: 3.08 C Lifted Index: 0.16 C Risk: Showers probable Lifted Index @300 mb: 0.42 C Lifted Index @700 mb: 1.69 C Showalter Index: 4.40 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 16.20 C K Index: 25.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 194.60 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 133.13 J/kg Max Up Vert Vel: 16.32 m/s Conv Inhibition (B-): 108.94 J/kg Cap Strength: 2.87 C Lift Cond Lev (LCL): 912.24 mb = 896.44 m = 2941.03 ft Lev Free Conv (LFC): 637.24 mb = 3927.59 m = 12885.64 ft Equ Level (EL): 507.24 mb = 5765.95 m = 18916.93 ft B at Equ Level: 105.42 J/kg Max Parcel Lev (MPL): 197.24 mb = 12609.25 m = 41368.41 ft Wind level data Storm motion: 242 at 10 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 ---------------------------------------------------------- 0 999 100 200 3 1.0 2.8 | 77 8 -7.6 -1.8 1 925 776 185 8 0.7 8.0 | 113 9 -7.9 3.4 2 910 914 185 8 0.7 8.0 | 113 9 -7.9 3.4 3 879 1219 160 10 -3.4 9.4 | 112 13 -12.0 4.8 4 850 1508 175 10 -0.9 10.0 | 120 11 -9.5 5.4 5 790 2134 215 8 4.6 6.6 | 116 4 -4.0 1.9 6 762 2438 210 15 7.5 13.0 | 173 8 -1.1 8.4 7 735 2743 205 16 6.8 14.5 | 170 10 -1.8 9.9 8 709 3048 225 15 10.6 10.6 | 199 6 2.0 6.0 9 700 3155 225 15 10.6 10.6 | 199 6 2.0 6.0 10 610 4267 240 17 14.7 8.5 | 238 7 6.1 3.9 11 588 4572 235 19 15.6 10.9 | 228 9 7.0 6.3 12 566 4877 205 17 7.2 15.4 | 173 11 -1.4 10.8 13 525 5486 195 13 3.4 12.6 | 147 10 -5.2 8.0 14 506 5791 210 15 7.5 13.0 | 173 8 -1.1 8.4 15 500 5880 210 15 7.5 13.0 | 173 8 -1.1 8.4 16 486 6096 200 14 4.8 13.2 | 156 9 -3.8 8.6 17 450 6706 215 18 10.3 14.7 | 190 10 1.7 10.1 18 433 7010 255 16 15.5 4.1 | 274 7 6.9 -0.5 19 416 7315 265 13 13.0 1.1 | 309 6 4.4 -3.5 20 400 7620 255 18 17.4 4.7 | 270 9 8.8 0.1 21 384 7925 250 16 15.0 5.5 | 262 7 6.4 0.9 22 339 8839 310 14 10.7 -9.0 | 351 14 2.1 -13.6 23 312 9449 285 14 13.5 -3.6 | 329 10 4.9 -8.2 24 300 9750 310 13 10.0 -8.4 | 354 13 1.4 -13.0 25 300 9754 295 15 13.6 -6.3 | 335 12 5.0 -10.9 26 250 11030 10 21 -3.6 -20.7 | 26 28 -12.2 -25.3 27 241 11278 20 23 -7.9 -21.6 | 32 31 -16.5 -26.2 28 220 11887 25 25 -10.6 -22.7 | 35 33 -19.2 -27.3 29 201 12497 25 21 -8.9 -19.0 | 36 29 -17.5 -23.6 30 200 12520 35 18 -10.3 -14.7 | 44 27 -18.9 -19.3 31 191 12802 55 15 -12.3 -8.6 | 58 25 -20.9 -13.2 32 173 13411 75 15 -14.5 -3.9 | 70 25 -23.1 -8.5 33 165 13716 65 15 -13.6 -6.3 | 64 25 -22.2 -10.9 34 150 14320 70 25 -23.5 -8.6 | 68 35 -32.1 -13.2 35 135 14935 75 26 -25.1 -6.7 | 71 36 -33.7 -11.3 36 128 15240 60 21 -18.2 -10.5 | 61 31 -26.8 -15.1 37 115 15850 45 39 -27.6 -27.6 | 48 48 -36.2 -32.2 38 100 16670 360 5 -0.0 -5.0 | 42 13 -8.6 -9.6 39 98 16764 355 10 0.9 -10.0 | 28 16 -7.7 -14.6 40 93 17069 360 5 -0.0 -5.0 | 42 13 -8.6 -9.6 41 90 17252 20 9 -3.1 -8.5 | 42 18 -11.7 -13.1 42 70 18670 220 26 16.7 19.9 | 208 17 8.1 15.3 43 50 20640 185 9 0.8 9.0 | 119 9 -7.8 4.4 44 30 23780 125 16 -13.1 9.2 | 102 22 -21.7 4.6 45 20 26360 80 25 -24.6 -4.3 | 75 34 -33.2 -8.9 Wind Parameters Mean winds (0-6000m): 211.8 at 13.0 knts Storm direction: 241.8 at 9.7 knts Shear (0-3000m) pos: 1.9 neg: 2.3 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 121.8 deg Storm rel helicity (0-3000m) pos: 32.7 neg: -2.7 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.33 Bulk Shear: 9.99 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 ------------------------------------------------------------------------------- 500 190 5 91 8| 0.0 3.9 3.9| 7.4 0.0 7.4 14.7 0.97| 3.9 3.8 1000 185 6 103 8| 0.0 3.5 3.5| 10.2 -0.2 10.0 10.0 0.63| 4.0 2.5 1500 178 8 109 9| 0.6 2.3 3.0| 15.8 -1.1 14.7 9.8 0.51| 4.4 2.2 2000 183 8 112 9| 1.7 1.7 3.4| 16.5 -1.9 14.6 7.3 0.35| 4.6 1.6 2500 191 9 120 8| 1.3 2.7 4.0| 24.3 -2.3 22.0 8.8 0.44| 5.3 2.3 3000 197 10 131 8| 1.9 2.3 4.1| 32.7 -2.7 30.0 10.0 0.48| 5.4 2.6 4000 209 11 151 6| 1.9 1.7 3.6| 39.3 -2.7 36.6 9.2 0.53| 4.6 2.4 5000 214 13 166 6| 1.5 2.1 3.6| 40.4 -34.3 6.1 1.2 0.14| 5.1 0.7 6000 212 13 165 7| 1.3 1.7 3.0| 49.5 -47.3 2.2 0.4 0.10| 5.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250418.23.gif