UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050312.upa.cvt Date: 1200Z 3 MAY 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 3 MAY 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 100 1 925 729 170 3 SFC 924 738 -0.3 -8.3 55 8.0 -3.1 170 3 279.1 279.5 274.2 285.4 2.21 3 895 992 -1.1 -10.1 50 9.0 -4.1 155 8 280.8 281.2 274.8 286.5 1.98 4 850 1400 -5.1 -13.1 53 8.0 -7.5 130 15 280.8 281.1 274.3 285.6 1.64 5 726 2612 -14.9 -18.7 73 3.8 -15.7 122 15 283.0 283.2 274.9 286.6 1.20 6 711 2770 -14.1 -18.3 70 4.2 -15.1 121 15 285.6 285.8 276.3 289.4 1.27 7 700 2888 -14.9 -19.7 67 4.8 -16.0 120 15 286.0 286.2 276.4 289.4 1.14 8 570 4413 -24.9 -30.9 57 6.0 -25.7 184 19 291.5 291.6 278.2 293.2 0.51 9 500 5360 -28.5 -33.0 65 4.5 -29.0 225 21 298.3 298.4 281.3 299.9 0.47 10 499 5374 -28.7 -33.2 65 4.5 -29.2 225 21 298.2 298.3 281.2 299.8 0.47 11 400 6920 -40.5 -44.1 68 3.6 -40.7 230 46 302.4 302.4 282.6 303.0 0.19 12 383 7215 -42.7 -46.2 68 3.5 -42.9 232 49 303.2 303.3 282.9 303.8 0.16 13 370 7448 -42.5 -46.0 68 3.5 -42.7 233 51 306.5 306.5 284.2 307.1 0.17 14 366 7522 -42.5 -46.1 68 3.6 -42.7 233 52 307.5 307.5 284.6 308.1 0.17 15 319 8437 -49.3 -54.3 56 5.0 -49.4 238 61 310.4 310.4 285.5 310.6 0.07 16 305 8732 -49.6 -55.3 51 5.7 -49.8 240 64 314.0 314.0 286.8 314.2 0.07 17 300 8840 -49.7 -55.7 49 6.0 -49.9 240 64 315.3 315.3 287.3 315.6 0.07 18 294 8972 -50.1 -56.1 49 6.0 -50.3 241 63 316.6 316.6 287.7 316.8 0.07 19 272 9476 -53.9 -59.9 48 6.0 -54.0 245 58 318.2 318.2 288.2 318.3 0.04 20 269 9548 -53.9 -59.9 48 6.0 -54.0 245 56 319.2 319.2 288.5 319.4 0.04 21 250 10020 -52.5 -59.5 43 7.0 -52.7 245 46 328.0 328.0 291.2 328.2 0.05 22 200 11470 -50.7 -59.7 34 9.0 -51.0 245 19 352.5 352.5 297.2 352.7 0.06 23 194 11668 -50.5 -60.5 30 10.0 -50.8 246 19 355.9 355.9 297.9 356.1 0.06 24 150 13340 -51.1 -64.1 20 13.0 -51.5 250 17 382.0 382.0 302.6 382.2 0.05 25 100 15980 -51.1 -68.1 11 17.0 -51.8 225 7 429.0 429.0 308.7 429.2 0.04 26 84 17113 -50.7 -68.7 10 18.0 -51.6 198 6 451.7 451.8 311.0 452.0 0.04 27 70 18300 -50.1 -69.1 9 19.0 -51.2 170 5 477.2 477.2 313.2 477.5 0.05 28 50 20500 -49.3 -70.3 7 21.0 -51.0 115 5 527.3 527.3 316.8 527.7 0.06 29 49 20632 -49.3 -70.3 7 21.0 -51.0 115 5 530.3 530.4 316.9 530.7 0.06 30 49 20632 -49.5 -70.5 7 21.0 -51.2 115 5 529.9 529.9 316.9 530.3 0.06 31 30 23850 -48.9 -71.9 5 23.0 -51.6 125 5 611.3 611.4 321.2 611.9 0.08 32 20 26520 -47.7 -71.7 5 24.0 -51.7 75 7 690.2 690.2 324.1 691.2 0.12 33 18 27215 -48.5 -72.5 5 24.0 -52.5 708.8 708.8 324.7 709.8 0.12 TRP 272 9476 -53.9 -59.9 48 6.0 -54.0 245 58 318.2 318.2 288.2 318.3 0.04 WND 305 8732 -49.6 -55.3 51 5.7 -49.8 240 64 314.0 314.0 286.8 314.2 0.07 Sounding variables and indices 1000-500 mb thick: 5260.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 61.29 % Est. max temperature: 2.71 C = 36.87 F Sfc-Lift cond lev (LCL): 815.08 mb = 1722.54 m = 5651.31 ft T: -7.71 C 700-500 lapse rate: 5.50 C/km ThetaE index: 0.95 C Layer 850.0- 726.0 mb Conv cond level (CCL): 743.68 mb = 2427.36 m = 7963.70 ft Mean mixing ratio: 1.83 g/kg Conv temperature: 3.23 C = 37.82 F Cap Strength: 6.13 C Lifted Index: 10.86 C Risk: None Lifted Index @300 mb: 20.86 C Lifted Index @700 mb: 3.48 C Showalter Index: 11.09 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 15.40 C K Index: 5.50 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.09 J/kg Max Up Vert Vel: 3.49 m/s Conv Inhibition (B-): 51273.75 J/kg Cap Strength: 10.35 C Lift Cond Lev (LCL): 766.77 mb = 2192.29 m = 7192.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 15 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 ---------------------------------------------------------- 0 924 738 170 3 -0.5 3.0 | 52 13 -10.3 -8.1 1 850 1400 130 15 -11.5 9.6 | 86 21 -21.3 -1.4 2 700 2888 120 15 -13.0 7.5 | 81 23 -22.8 -3.6 3 500 5360 225 21 14.8 14.8 | 233 6 5.0 3.8 4 400 6920 230 46 35.2 29.6 | 234 31 25.4 18.5 5 305 8732 240 64 55.4 32.0 | 245 50 45.6 20.9 6 300 8840 240 64 55.4 32.0 | 245 50 45.6 20.9 7 272 9476 245 58 52.6 24.5 | 253 45 42.8 13.4 8 250 10020 245 46 41.7 19.4 | 255 33 31.9 8.4 9 200 11470 245 19 17.2 8.0 | 292 8 7.4 -3.1 10 150 13340 250 17 16.0 5.8 | 310 8 6.2 -5.3 11 100 15980 225 7 4.9 4.9 | 38 8 -4.9 -6.1 12 70 18300 170 5 -0.9 4.9 | 60 12 -10.7 -6.2 13 50 20500 115 5 -4.5 2.1 | 58 17 -14.3 -9.0 14 30 23850 125 5 -4.1 2.9 | 59 16 -13.9 -8.2 15 20 26520 75 7 -6.8 -1.8 | 52 21 -16.6 -12.9 Wind Parameters Mean winds (0-6000m): 191.5 at 19.7 knts Storm direction: 221.5 at 14.8 knts Shear (0-3000m) pos: 1.7 neg: 2.3 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 53.3 deg Storm rel helicity (0-3000m) pos: 77.9 neg: -10.9 tot: 67.1 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 35.86 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 ------------------------------------------------------------------------------- 500 138 7 69 16| 0.0 9.9 9.9| 28.8 0.0 28.8 57.7 0.78| 10.2 8.0 1000 133 11 79 18| 0.0 6.7 6.7| 32.3 -2.2 30.1 30.1 0.57| 7.3 4.2 1500 130 12 81 19| 0.0 4.5 4.5| 32.3 -6.0 26.3 17.5 0.49| 5.2 2.6 2000 128 13 81 20| 0.0 3.4 3.4| 32.3 -10.0 22.3 11.1 0.42| 4.1 1.7 2500 127 13 82 21| 0.8 2.7 3.5| 52.6 -10.9 41.7 16.7 0.50| 4.2 2.1 3000 131 14 85 20| 1.7 2.3 4.0| 77.9 -10.9 67.1 22.4 0.57| 4.5 2.6 4000 145 15 94 18| 2.8 1.7 4.5|112.5 -10.9 101.6 25.4 0.63| 5.2 3.3 5000 166 16 109 15| 3.5 1.4 4.9|127.7 -11.2 116.5 23.3 0.62| 5.7 3.5 6000 191 20 145 10| 4.3 1.1 5.4|131.7 -11.2 120.5 20.1 0.49| 6.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250503.12.gif