UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042823.upa.cvt Date: 2300Z 28 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 28 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 1001 103 25.6 24.7 95 0.9 25.0 145 2 298.7 302.3 298.1 356.9 19.94 1 1000 112 25.4 24.2 93 1.2 24.5 145 2 298.5 302.1 297.7 355.0 19.35 2 925 797 21.2 20.4 95 0.8 20.6 115 15 301.0 304.0 296.5 349.6 16.53 3 850 1528 17.8 17.6 99 0.2 17.7 100 22 304.8 307.6 296.5 349.8 15.07 4 844 1589 17.4 17.0 97 0.4 17.1 99 21 305.0 307.7 296.3 348.6 14.60 5 823 1804 15.6 15.6 100 0.0 15.6 95 19 305.3 307.8 295.8 346.2 13.67 6 808 1961 14.0 12.7 92 1.3 13.1 93 21 305.2 307.3 294.2 339.6 11.50 7 736 2748 11.4 10.7 95 0.7 11.0 93 22 310.6 312.7 295.4 344.4 11.05 8 710 3049 11.0 8.6 85 2.4 9.5 91 18 313.4 315.3 295.3 344.2 9.93 9 700 3168 9.8 8.2 90 1.6 8.8 90 17 313.3 315.2 295.2 343.7 9.80 10 596 4490 2.0 0.9 92 1.1 1.4 104 15 319.0 320.4 294.6 341.0 6.87 11 579 4724 1.2 1.2 100 0.0 1.2 113 12 320.8 322.2 295.3 344.0 7.23 12 549 5153 0.4 -0.8 92 1.2 -0.3 97 13 324.7 326.0 295.8 346.3 6.59 13 500 5900 -3.9 -4.1 99 0.2 -4.0 115 19 328.3 329.4 296.0 347.1 5.66 14 465 6469 -6.5 -7.3 94 0.8 -6.9 111 24 331.9 332.9 296.2 348.1 4.76 15 464 6486 -6.5 -7.0 96 0.5 -6.7 111 24 332.1 333.1 296.3 348.7 4.88 16 400 7630 -13.3 -14.6 90 1.3 -13.8 90 16 337.7 338.3 296.3 348.6 3.08 17 355 8529 -18.5 -20.3 86 1.8 -19.1 99 23 342.4 342.9 296.7 350.2 2.15 18 314 9431 -25.7 -26.5 93 0.8 -25.9 80 29 344.6 344.9 296.6 349.9 1.40 19 300 9760 -28.1 -29.9 85 1.8 -28.5 80 26 345.8 346.0 296.6 349.8 1.07 20 280 10255 -31.3 -34.2 76 2.9 -31.8 92 19 348.1 348.2 296.8 351.0 0.75 21 264 10671 -35.1 -37.1 82 2.0 -35.4 51 18 348.4 348.5 296.8 350.8 0.60 22 257 10858 -36.9 -42.9 54 6.0 -37.5 45 18 348.4 348.5 296.6 349.8 0.34 23 256 10886 -37.1 -40.3 72 3.2 -37.5 44 19 348.5 348.6 296.7 350.3 0.45 24 254 10940 -37.5 -43.5 53 6.0 -38.1 43 19 348.7 348.8 296.6 350.0 0.32 25 250 11050 -38.5 -42.4 67 3.9 -38.9 40 19 348.8 348.9 296.7 350.3 0.37 26 239 11357 -41.3 -44.7 70 3.4 -41.6 40 18 349.1 349.2 296.7 350.3 0.30 27 225 11763 -44.7 -47.6 73 2.9 -44.9 40 22 350.0 350.0 296.8 351.0 0.23 28 213 12127 -47.3 -51.9 59 4.6 -47.6 40 29 351.5 351.5 297.1 352.1 0.15 29 200 12540 -51.1 -55.7 58 4.6 -51.3 15 21 351.8 351.9 297.1 352.3 0.10 30 175 13393 -58.9 -63.9 52 5.0 -59.0 22 16 352.7 352.7 297.3 352.9 0.04 31 162 13872 -63.5 -66.7 65 3.2 -63.6 32 14 352.8 352.8 297.3 353.0 0.03 32 158 14025 -64.9 -72.9 32 8.0 -65.0 40 15 353.0 353.0 297.3 353.1 0.01 33 150 14340 -67.7 -73.7 42 6.0 -67.7 30 18 353.5 353.5 297.4 353.5 0.01 34 134 15006 -74.3 -76.6 70 2.3 -74.3 20 21 353.3 353.3 297.4 353.4 0.01 35 130 15182 -75.5 -77.1 78 1.6 -75.5 22 23 354.2 354.3 297.5 354.3 0.01 36 116 15832 -80.5 -84.3 53 3.8 -80.5 27 30 356.7 356.7 298.1 356.7 0.00 37 108 16236 -78.5 -86.5 26 8.0 -78.5 7 31 367.9 367.9 300.2 367.9 0.00 38 100 16670 -82.3 -87.1 43 4.8 -82.3 285 15 368.7 368.7 300.4 368.7 0.00 39 95 16957 -83.5 -88.5 41 5.0 -83.5 305 11 371.8 371.8 300.9 371.8 0.00 40 78 18064 -80.3 -89.3 21 9.0 -80.3 288 18 400.0 400.0 305.2 400.0 0.00 41 73 18445 -74.7 -88.7 10 14.0 -74.7 289 19 419.5 419.5 307.7 419.5 0.00 42 70 18690 -73.9 -88.9 8 15.0 -74.0 290 20 426.3 426.3 308.4 426.3 0.00 43 65 19120 -74.9 -89.9 8 15.0 -75.0 326 17 433.2 433.2 309.2 433.2 0.00 44 58 19789 -68.9 -89.9 3 21.0 -69.1 22 13 461.1 461.1 311.9 461.1 0.00 45 50 20680 -66.3 -90.3 2 24.0 -66.5 95 8 487.2 487.2 314.0 487.3 0.00 46 37 22548 -57.9 -88.9 1 31.0 -58.9 95 17 552.6 552.6 318.2 552.7 0.00 47 33 23268 -59.3 -88.3 1 29.0 -60.2 95 21 567.3 567.3 319.0 567.3 0.00 48 30 23870 -57.1 -88.1 1 31.0 -58.4 95 24 589.0 589.0 320.1 589.0 0.01 49 21 26128 -56.7 -88.7 1 32.0 -58.5 99 40 653.4 653.4 322.8 653.5 0.01 50 20 26440 -53.3 -86.3 1 33.0 -55.9 100 42 673.0 673.0 323.5 673.1 0.01 51 16 27894 -48.1 -77.1 2 29.0 -52.7 734.3 734.4 325.5 734.9 0.07 TRP 95 16957 -83.5 -88.5 41 5.0 -83.5 305 11 371.8 371.8 300.9 371.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 544.44 mb = 5222.74 m = 17134.77 ft Wetbulb zero: 554.60 mb = 5071.50 m = 16638.59 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 93.97 % Est. max temperature: 31.68 C = 89.02 F Sfc-Lift cond lev (LCL): 988.46 mb = 213.97 m = 702.00 ft T: 24.77 C 700-500 lapse rate: 5.01 C/km ThetaE index: 10.12 C Layer 844.0- 736.0 mb Conv cond level (CCL): 929.25 mb = 756.74 m = 2482.72 ft Mean mixing ratio: 17.55 g/kg Conv temperature: 27.78 C = 82.00 F Cap Strength: 0.33 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.64 C Lifted Index @700 mb: -1.24 C Showalter Index: -0.87 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.50 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 274.20 Risk: None Energy Index: -0.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 424.05 J/kg Max Up Vert Vel: 29.12 m/s Conv Inhibition (B-): 1.08 J/kg Cap Strength: 0.33 C Lift Cond Lev (LCL): 938.22 mb = 672.31 m = 2205.72 ft Lev Free Conv (LFC): 903.22 mb = 1002.99 m = 3290.59 ft Equ Level (EL): 213.22 mb = 12120.58 m = 39765.19 ft B at Equ Level: 420.09 J/kg Max Parcel Lev (MPL): 103.22 mb = 16491.37 m = 54104.90 ft Wind level data Storm motion: 131 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 1001 103 145 2 -1.1 1.6 | 308 11 8.5 -6.7 1 1000 112 145 2 -1.1 1.6 | 308 11 8.5 -6.7 2 978 305 140 18 -11.6 13.8 | 160 6 -1.9 5.4 3 925 797 115 15 -13.6 6.3 | 63 4 -3.9 -2.0 4 913 914 115 14 -12.7 5.9 | 51 4 -3.0 -2.4 5 881 1219 105 16 -15.5 4.1 | 54 7 -5.8 -4.2 6 850 1528 100 22 -21.7 3.8 | 69 13 -12.0 -4.5 7 820 1829 95 19 -18.9 1.7 | 54 11 -9.3 -6.7 8 791 2134 90 23 -23.0 0.0 | 58 16 -13.4 -8.4 9 763 2438 95 25 -24.9 2.2 | 68 16 -15.3 -6.2 10 700 3168 90 17 -17.0 0.0 | 41 11 -7.4 -8.4 11 684 3353 95 17 -16.9 1.5 | 47 10 -7.3 -6.9 12 659 3658 85 15 -14.9 -1.3 | 29 11 -5.3 -9.7 13 635 3962 85 17 -16.9 -1.5 | 37 12 -7.3 -9.8 14 611 4267 80 18 -17.7 -3.1 | 35 14 -8.1 -11.5 15 589 4572 115 14 -12.7 5.9 | 51 4 -3.0 -2.4 16 567 4877 110 10 -9.4 3.4 | 357 5 0.2 -4.9 17 546 5182 95 14 -13.9 1.2 | 31 8 -4.3 -7.1 18 526 5486 120 12 -10.4 6.0 | 17 2 -0.7 -2.4 19 507 5791 115 16 -14.5 6.8 | 72 5 -4.9 -1.6 20 500 5900 115 19 -17.2 8.0 | 87 8 -7.6 -0.3 21 488 6096 105 23 -22.2 6.0 | 79 13 -12.6 -2.4 22 451 6706 115 24 -21.8 10.1 | 98 12 -12.1 1.8 23 433 7010 110 16 -15.0 5.5 | 62 6 -5.4 -2.9 24 417 7315 75 15 -14.5 -3.9 | 22 13 -4.8 -12.2 25 400 7630 90 16 -16.0 0.0 | 37 11 -6.4 -8.4 26 369 8230 85 20 -19.9 -1.7 | 45 14 -10.3 -10.1 27 354 8534 100 23 -22.7 4.0 | 71 14 -13.0 -4.4 28 326 9144 85 30 -29.9 -2.6 | 62 23 -20.2 -11.0 29 300 9754 75 27 -26.1 -7.0 | 47 22 -16.4 -15.4 30 300 9760 80 26 -25.6 -4.5 | 51 21 -16.0 -12.9 31 275 10363 95 17 -16.9 1.5 | 47 10 -7.3 -6.9 32 264 10668 50 18 -13.8 -11.6 | 12 20 -4.1 -19.9 33 250 11050 40 19 -12.2 -14.6 | 6 23 -2.6 -22.9 34 231 11582 40 18 -11.6 -13.8 | 5 22 -1.9 -22.2 35 211 12192 40 31 -19.9 -23.7 | 18 34 -10.3 -32.1 36 200 12540 15 21 -5.4 -20.3 | 352 29 4.2 -28.7 37 166 13716 25 14 -5.9 -12.7 | 350 21 3.7 -21.1 38 158 14021 40 15 -9.6 -11.5 | 360 20 0.0 -19.9 39 150 14340 30 18 -9.0 -15.6 | 358 24 0.6 -24.0 40 135 14935 20 20 -6.8 -18.8 | 354 27 2.8 -27.2 41 109 16154 30 34 -17.0 -29.4 | 11 39 -7.4 -37.8 42 104 16459 295 21 19.0 -8.9 | 301 33 28.7 -17.2 43 100 16670 285 15 14.5 -3.9 | 297 27 24.1 -12.2 44 95 16957 305 11 9.0 -6.3 | 308 24 18.7 -14.7 45 93 17069 285 15 14.5 -3.9 | 297 27 24.1 -12.2 46 70 18690 290 20 18.8 -6.8 | 298 32 28.4 -15.2 47 50 20680 95 8 -8.0 0.7 | 348 8 1.7 -7.7 48 30 23870 95 24 -23.9 2.1 | 66 16 -14.3 -6.3 49 20 26440 100 42 -41.4 7.3 | 88 32 -31.7 -1.1 Wind Parameters Mean winds (0-6000m): 100.9 at 17.0 knts Storm direction: 130.9 at 12.8 knts Shear (0-3000m) pos: 0.3 neg: 2.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 96.0 deg Storm rel helicity (0-3000m) pos: 18.5 neg: -47.0 tot: -28.4 m^2/s^2 ave: -9.5 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 9.0 stream: -4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 35.27 Bulk Shear: 12.02 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 ------------------------------------------------------------------------------- 500 135 14 169 2| 0.0 14.7 14.7| 0.0 -15.2 -15.2 -30.5 -0.79| 23.4-18.4 1000 125 15 91 2| 0.0 7.0 7.0| 0.2 -19.0 -18.8 -18.8 -0.75| 14.7-11.0 1500 116 16 74 5| 0.0 6.8 6.8| 5.9 -21.2 -15.3 -10.2 -0.54| 12.4 -6.8 2000 109 17 67 7| 0.0 5.5 5.5| 7.9 -27.9 -20.1 -10.0 -0.50| 10.9 -5.5 2500 105 18 66 9| 0.3 4.4 4.7| 18.5 -31.9 -13.4 -5.4 -0.42| 9.6 -4.1 3000 103 19 64 10| 0.3 2.8 3.0| 18.5 -47.0 -28.4 -9.5 -0.46| 9.0 -4.1 4000 99 18 57 10| 0.2 2.1 2.3| 24.1 -56.3 -32.2 -8.1 -0.43| 7.6 -3.3 5000 99 17 53 9| 1.1 1.9 2.9| 34.4 -60.5 -26.0 -5.2 -0.31| 7.9 -2.5 6000 101 17 54 9| 1.3 2.4 3.6| 41.1 -64.9 -23.8 -4.0 -0.22| 8.2 -1.8 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250428.23.gif