UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for U3078... Searching the city database file for: U3078 ... Date:1200Z 4 MAY 25 Station: U3078 WMO ident: 23078 Latitude: 69.33 Longitude: 88.10 ------------------------------------------------------------------------------- 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 1012 66 -0.5 -3.8 78 3.3 -1.7 290 3 271.7 272.2 270.8 279.5 2.85 1 1000 161 -1.7 -4.9 79 3.2 -2.9 245 5 271.5 271.9 270.3 278.7 2.65 2 949 579 0.0 -1.3 91 1.3 -0.5 168 10 277.3 277.9 275.3 287.3 3.66 3 925 784 -1.1 -1.8 95 0.7 -1.4 130 13 278.2 278.8 275.7 288.2 3.62 4 850 1455 -4.7 -5.0 98 0.3 -4.8 125 15 281.2 281.8 276.6 290.0 3.10 5 842 1530 -5.1 -5.4 98 0.3 -5.2 125 15 281.6 282.1 276.7 290.1 3.03 6 752 2413 -9.9 -10.2 98 0.3 -10.0 122 11 285.6 286.0 277.9 292.4 2.34 7 700 2964 -14.1 -14.7 95 0.6 -14.3 120 9 286.9 287.2 277.7 292.0 1.74 8 695 3018 -14.7 -15.2 96 0.5 -14.8 119 10 286.8 287.1 277.6 291.8 1.69 9 664 3360 -18.5 -19.6 91 1.1 -18.7 115 13 286.3 286.5 276.6 290.0 1.22 10 590 4231 -23.1 -35.1 32 12.0 -24.5 105 21 290.8 290.8 277.6 291.9 0.33 11 511 5266 -30.5 -44.5 24 14.0 -31.5 92 31 294.0 294.0 278.9 294.5 0.14 12 500 5420 -31.5 -45.5 24 14.0 -32.4 90 33 294.6 294.7 279.1 295.1 0.13 13 458 6037 -34.3 -48.3 23 14.0 -35.1 90 40 298.6 298.6 280.9 299.0 0.10 14 409 6819 -40.7 -54.7 21 14.0 -41.2 90 48 300.2 300.2 281.5 300.4 0.06 15 400 6970 -40.9 -54.9 21 14.0 -41.4 90 50 301.8 301.8 282.2 302.0 0.06 16 339 8079 -47.5 -61.5 19 14.0 -47.8 87 42 307.5 307.5 284.4 307.6 0.03 17 300 8880 -50.7 -63.7 20 13.0 -51.0 85 36 313.9 313.9 286.7 314.0 0.02 18 285 9212 -52.7 -65.7 19 13.0 -52.9 85 33 315.7 315.7 287.3 315.7 0.02 19 256 9906 -50.7 -64.7 17 14.0 -51.0 69 18 328.5 328.5 291.3 328.6 0.02 20 250 10060 -51.1 -65.1 17 14.0 -51.4 65 15 330.1 330.1 291.7 330.2 0.02 21 225 10743 -51.5 -65.5 17 14.0 -51.8 63 11 339.6 339.6 294.3 339.7 0.03 22 208 11254 -49.7 -63.7 18 14.0 -50.1 61 8 350.1 350.1 296.7 350.3 0.04 23 200 11510 -49.5 -63.5 18 14.0 -49.9 60 7 354.4 354.4 297.6 354.5 0.04 24 169 12611 -50.7 -64.7 17 14.0 -51.1 40 6 369.9 369.9 300.6 370.1 0.04 25 150 13390 -49.9 -64.9 16 15.0 -50.4 25 5 384.1 384.1 302.9 384.3 0.04 26 144 13657 -49.7 -64.7 16 15.0 -50.3 31 5 388.9 389.0 303.6 389.2 0.04 27 126 14529 -50.5 -65.5 15 15.0 -51.1 49 5 402.6 402.7 305.6 402.9 0.05 28 112 15299 -49.7 -64.7 16 15.0 -50.4 65 5 417.9 417.9 307.5 418.2 0.06 29 100 16040 -50.1 -66.1 14 16.0 -50.9 80 5 430.9 430.9 309.0 431.2 0.05 30 93 16513 -51.3 -67.3 13 16.0 -52.1 73 5 437.6 437.6 309.7 437.9 0.05 31 84 17176 -49.5 -65.5 14 16.0 -50.5 63 5 454.2 454.2 311.3 454.6 0.07 32 72 18186 -49.5 -65.5 14 16.0 -50.6 48 5 474.6 474.7 313.1 475.1 0.08 33 70 18370 -50.5 -66.5 13 16.0 -51.5 45 5 476.3 476.4 313.2 476.8 0.07 34 66 18755 -50.7 -66.7 13 16.0 -51.8 48 5 484.0 484.0 313.8 484.4 0.07 35 55 19947 -50.3 -67.3 12 17.0 -51.7 59 5 510.8 510.8 315.7 511.3 0.08 36 50 20570 -51.1 -68.1 11 17.0 -52.5 65 5 523.1 523.1 316.5 523.6 0.08 37 42 21706 -50.3 -67.3 12 17.0 -52.0 58 6 551.8 551.8 318.2 552.5 0.11 38 37 22536 -48.9 -65.9 12 17.0 -51.0 53 6 575.7 575.8 319.5 576.8 0.15 39 34 23090 -49.5 -66.5 12 17.0 -51.7 50 7 588.3 588.3 320.1 589.3 0.15 40 30 23910 -49.7 -66.7 12 17.0 -52.0 45 7 609.1 609.2 321.0 610.4 0.16 41 28 24362 -49.3 -66.3 12 17.0 -51.8 48 7 622.4 622.5 321.6 623.8 0.18 42 25 25105 -48.5 -66.5 11 18.0 -51.5 54 8 645.2 645.3 322.6 646.8 0.20 43 22 25945 -49.1 -67.1 10 18.0 -52.2 60 9 667.4 667.5 323.4 669.2 0.21 44 21 26250 -49.3 -66.3 12 17.0 -52.4 63 9 675.8 675.9 323.7 677.8 0.24 45 20 26570 -48.9 -66.9 11 18.0 -52.3 65 9 686.5 686.6 324.0 688.5 0.24 46 19 26908 -48.3 -65.3 12 17.0 -51.9 54 9 698.5 698.6 324.5 701.2 0.31 47 16 28043 -47.9 -64.9 12 17.0 -52.1 17 8 735.0 735.2 325.6 738.6 0.39 48 14 28930 -45.3 -63.3 11 18.0 -50.7 348 8 772.4 772.7 326.7 777.7 0.55 49 12 29961 -45.1 -64.1 10 19.0 -51.2 314 8 807.9 808.2 327.5 813.8 0.58 50 11 30546 -42.7 -61.7 11 19.0 -50.0 296 7 837.0 837.5 328.3 846.0 0.86 51 10 31190 -42.7 -61.7 11 19.0 -50.3 275 7 860.2 860.7 328.8 870.3 0.95 52 9.7 31396 -42.7 -61.7 11 19.0 -50.4 867.7 868.2 329.0 878.3 0.98 TRP 285 9212 -52.7 -65.7 19 13.0 -52.9 85 33 315.7 315.7 287.3 315.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5259.00 m Freezing level: Surface below freezing Freezing level: 949.00 mb = 579.16 m = 1900.12 ft Freezing level: 949.00 mb = 579.16 m = 1900.12 ft Wetbulb zero: Below ground Precipitable water: 0.43 inches Sfc-500 mean rel hum: 73.23 % Est. max temperature: 8.53 C = 47.35 F Sfc-Lift cond lev (LCL): 961.05 mb = 478.33 m = 1569.31 ft T: -0.41 C 700-500 lapse rate: 7.08 C/km ThetaE index: 2.46 C Layer 700.0- 590.0 mb Conv cond level (CCL): 863.48 mb = 1330.17 m = 4364.03 ft Mean mixing ratio: 3.28 g/kg Conv temperature: 8.46 C = 47.23 F Cap Strength: 8.56 C Lifted Index: 8.97 C Risk: None Lifted Index @300 mb: 20.88 C Lifted Index @700 mb: 5.33 C Showalter Index: 4.75 C Risk: None Total Totals Index: 53.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 26.50 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 149.00 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.40 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 67659.69 J/kg Cap Strength: 8.77 C Lift Cond Lev (LCL): 934.86 mb = 699.24 m = 2294.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 134 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 1012 66 290 3 2.8 -1.0 | 309 17 12.8 -10.5 1 1000 161 245 5 4.5 2.1 | 297 16 14.5 -7.4 2 925 784 130 13 -10.0 8.4 | 0 1 -0.0 -1.1 3 850 1455 125 15 -12.3 8.6 | 70 2 -2.3 -0.9 4 700 2964 120 9 -7.8 4.5 | 336 5 2.2 -5.0 5 500 5420 90 33 -33.0 0.0 | 68 25 -23.0 -9.5 6 400 6970 90 50 -50.0 0.0 | 77 41 -40.0 -9.5 7 300 8880 85 36 -35.9 -3.1 | 64 29 -25.9 -12.6 8 285 9212 85 33 -32.9 -2.9 | 62 26 -22.9 -12.3 9 250 10060 65 15 -13.6 -6.3 | 13 16 -3.6 -15.8 10 200 11510 60 7 -6.1 -3.5 | 343 14 3.9 -13.0 11 150 13390 25 5 -2.1 -4.5 | 331 16 7.8 -14.0 12 100 16040 80 5 -4.9 -0.9 | 334 11 5.0 -10.3 13 70 18370 45 5 -3.5 -3.5 | 334 15 6.4 -13.0 14 50 20570 65 5 -4.5 -2.1 | 335 13 5.4 -11.6 15 30 23910 45 7 -4.9 -4.9 | 341 15 5.0 -14.4 16 20 26570 65 9 -8.2 -3.8 | 352 13 1.8 -13.3 17 10 31190 275 7 7.0 -0.6 | 301 20 16.9 -10.1 Wind Parameters Mean winds (0-6000m): 103.6 at 18.3 knts Storm direction: 133.6 at 13.7 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 36.3 deg Storm rel helicity (0-3000m) pos: 2.8 neg: -45.3 tot: -42.4 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 54.54 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 ------------------------------------------------------------------------------- 500 200 7 284 13| 0.0 12.3 12.3| 0.0 -40.8 -40.8 -81.5 -0.73| 15.2-11.0 1000 143 10 292 4| 0.0 8.6 8.6| 1.4 -41.5 -40.1 -40.1 -0.28| 12.7 -3.5 1500 134 11 309 2| 0.0 6.0 6.0| 1.7 -41.7 -40.0 -26.6 -0.25| 9.1 -2.2 2000 131 12 329 2| 0.0 4.0 4.0| 1.7 -42.9 -41.2 -20.6 -0.30| 7.3 -2.2 2500 129 12 339 2| 0.0 2.8 2.8| 1.7 -44.2 -42.5 -17.0 -0.32| 6.3 -2.0 3000 128 12 340 3| 0.0 2.2 2.2| 2.8 -45.3 -42.4 -14.1 -0.30| 5.7 -1.7 4000 122 12 9 3| 0.0 2.9 2.9| 13.3 -45.3 -32.0 -8.0 -0.06| 5.6 -0.3 5000 112 15 45 5| 0.0 3.3 3.3| 15.7 -47.1 -31.4 -6.3 -0.04| 5.6 -0.2 6000 104 18 57 9| 0.0 3.7 3.7| 32.4 -51.0 -18.5 -3.1 -0.01| 5.6 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U3078/skewt/U3078.skewt.20250504.12.gif