UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 18 APR 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 29 7.2 -8.8 31 16.0 1.4 40 7 279.4 279.7 274.0 284.9 1.94 1 768 2218 -16.7 -22.7 60 6.0 -17.8 335 23 276.6 276.7 270.5 278.9 0.80 2 714 2770 -17.5 -40.5 12 23.0 -20.0 335 31 281.5 281.5 272.3 282.0 0.16 3 712 2791 -17.5 -41.5 10 24.0 -20.0 335 31 281.7 281.8 272.4 282.2 0.14 4 710 2812 -17.5 -41.5 10 24.0 -20.0 335 32 282.0 282.0 272.6 282.4 0.14 5 705 2865 -17.9 -41.9 10 24.0 -20.4 335 32 282.1 282.1 272.6 282.5 0.14 6 700 2919 -18.1 -43.1 9 25.0 -20.5 335 33 282.4 282.5 272.8 282.8 0.12 7 614 3887 -23.9 -49.9 7 26.0 -25.8 335 46 286.6 286.6 275.0 286.8 0.07 8 568 4454 -25.7 -45.7 14 20.0 -27.3 335 53 290.9 290.9 277.3 291.3 0.11 9 550 4687 -26.3 -44.3 17 18.0 -27.8 335 57 292.9 292.9 278.3 293.3 0.14 10 500 5370 -30.7 -49.7 14 19.0 -31.9 335 66 295.6 295.6 279.5 295.9 0.08 11 478 5688 -33.5 -52.5 13 19.0 -34.5 335 70 296.0 296.0 279.6 296.2 0.06 12 474 5747 -33.7 -52.7 13 19.0 -34.7 335 71 296.4 296.5 279.8 296.7 0.06 13 453 6064 -34.1 -53.1 13 19.0 -35.1 335 74 299.8 299.8 281.3 300.0 0.06 14 451 6095 -34.3 -53.3 13 19.0 -35.3 335 75 299.9 299.9 281.4 300.2 0.06 15 444 6204 -37.1 -52.1 20 15.0 -37.8 335 76 297.8 297.8 280.4 298.0 0.07 16 416 6653 -38.5 -51.5 24 13.0 -39.1 335 82 301.6 301.6 282.1 301.8 0.08 17 415 6670 -38.7 -51.7 24 13.0 -39.3 335 82 301.5 301.5 282.1 301.8 0.08 18 411 6736 -40.5 -52.5 26 12.0 -41.0 335 83 300.0 300.0 281.4 300.3 0.07 19 400 6920 -42.3 -53.0 30 10.7 -42.7 335 85 300.0 300.0 281.4 300.3 0.07 20 394 7022 -43.3 -53.3 32 10.0 -43.6 335 84 300.0 300.0 281.4 300.3 0.07 21 379 7283 -45.3 -54.3 36 9.0 -45.6 335 83 300.7 300.7 281.7 300.9 0.06 22 323 8333 -53.5 -64.5 25 11.0 -53.7 335 77 303.5 303.5 282.8 303.5 0.02 23 300 8810 -52.5 -63.5 25 11.0 -52.7 335 73 311.3 311.4 285.8 311.4 0.02 24 250 10000 -49.7 -64.7 16 15.0 -50.0 335 68 332.2 332.2 292.3 332.3 0.03 25 200 11460 -49.7 -69.7 8 20.0 -50.2 330 58 354.1 354.1 297.5 354.1 0.02 26 150 13340 -49.3 -74.3 4 25.0 -50.0 325 48 385.1 385.1 303.1 385.2 0.01 27 100 15980 -50.5 -75.5 4 25.0 -51.4 325 35 430.2 430.2 308.9 430.2 0.01 28 70 18300 -52.5 -77.5 3 25.0 -53.5 315 29 472.1 472.1 312.8 472.2 0.01 29 65 18776 -53.3 -77.3 4 24.0 -54.2 315 28 480.4 480.4 313.5 480.5 0.02 30 61 19187 -49.9 -74.9 4 25.0 -51.3 315 27 496.8 496.8 314.7 497.0 0.02 31 50 20480 -50.7 -75.7 4 25.0 -52.2 315 23 524.0 524.0 316.6 524.2 0.03 32 49 20612 -50.5 -75.5 4 25.0 -52.1 315 23 527.5 527.5 316.8 527.7 0.03 33 45 21165 -54.1 -78.1 4 24.0 -55.3 316 21 531.8 531.8 317.1 531.9 0.02 34 44 21310 -51.5 -76.5 3 25.0 -53.1 316 21 541.6 541.6 317.6 541.7 0.03 35 38 22260 -53.9 -77.9 4 24.0 -55.3 318 19 558.6 558.6 318.6 558.8 0.02 36 35 22790 -53.3 -77.3 4 24.0 -54.9 318 17 573.5 573.5 319.3 573.7 0.03 37 35 22790 -49.7 -74.7 4 25.0 -52.0 318 17 582.9 582.9 319.8 583.2 0.04 38 34 22979 -52.3 -77.3 3 25.0 -54.1 319 17 580.9 580.9 319.7 581.1 0.03 39 33 23172 -52.7 -76.7 4 24.0 -54.5 319 16 584.8 584.8 319.9 585.1 0.03 40 30 23790 -51.9 -76.9 3 25.0 -54.0 320 15 603.2 603.2 320.7 603.4 0.04 41 25 24972 -51.7 -76.7 3 25.0 -54.2 636.0 636.0 322.2 636.4 0.04 TRP 323 8333 -53.5 -64.5 25 11.0 -53.7 335 77 303.5 303.5 282.8 303.5 0.02 WND 400 6920 -42.3 -53.0 30 10.7 -42.7 335 85 300.0 300.0 281.4 300.3 0.07 Sounding variables and indices 1000-500 mb thick: 5246.61 m Freezing level: 938.49 mb = 688.35 m = 2258.34 ft Wetbulb zero: 993.90 mb = 171.99 m = 564.27 ft Precipitable water: 0.16 inches Sfc-500 mean rel hum: 27.15 % Est. max temperature: 5.81 C = 42.46 F Sfc-Lift cond lev (LCL): 790.43 mb = 1989.88 m = 6528.40 ft T: -14.21 C 700-500 lapse rate: 5.14 C/km ThetaE index: 6.01 C Layer 768.0- 714.0 mb Conv cond level (CCL): 768.00 mb = 2218.32 m = 7277.86 ft Mean mixing ratio: 1.80 g/kg Conv temperature: 8.17 C = 46.71 F Cap Strength: 8.60 C Lifted Index: 10.24 C Risk: None Lifted Index @300 mb: 19.55 C Lifted Index @700 mb: 1.77 C Showalter Index: 12.29 C Risk: None Total Totals Index: 35.90 C Risk: None Vertical Totals Index: 22.79 C Cross Totals Index: 13.11 C K Index: -19.80 Risk: None Sweat Index: 100.80 Risk: None Energy Index: 3.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.07 J/kg Max Up Vert Vel: 12.58 m/s Conv Inhibition (B-): 13.71 J/kg Cap Strength: 9.96 C Lift Cond Lev (LCL): 787.84 mb = 2015.89 m = 6613.75 ft Lev Free Conv (LFC): 782.84 mb = 2066.42 m = 6779.52 ft Equ Level (EL): 722.84 mb = 2676.61 m = 8781.42 ft B at Equ Level: 76.71 J/kg Max Parcel Lev (MPL): 642.84 mb = 3548.20 m = 11640.95 ft Wind level data Storm motion: 6 at 28 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 29 40 7 -4.5 -5.4 | 176 22 -1.4 22.2 1 1000 172 20 13 -4.4 -12.2 | 175 15 -1.3 15.4 2 925 794 355 11 1.0 -11.0 | 194 17 4.1 16.6 3 850 1454 335 13 5.5 -11.8 | 209 18 8.6 15.8 4 700 2919 335 33 13.9 -29.9 | 278 17 17.1 -2.3 5 500 5370 335 66 27.9 -59.8 | 316 45 31.0 -32.2 6 400 6920 335 85 35.9 -77.0 | 322 63 39.1 -49.4 7 323 8333 335 77 32.5 -69.8 | 320 55 35.7 -42.2 8 300 8810 335 73 30.9 -66.2 | 319 51 34.0 -38.6 9 250 10000 335 68 28.7 -61.6 | 317 47 31.9 -34.0 10 200 11460 330 58 29.0 -50.2 | 305 39 32.1 -22.6 11 150 13340 325 48 27.5 -39.3 | 291 33 30.7 -11.7 12 100 15980 325 35 20.1 -28.7 | 273 23 23.2 -1.1 13 70 18300 315 29 20.5 -20.5 | 253 25 23.6 7.1 14 50 20480 315 23 16.3 -16.3 | 240 22 19.4 11.3 15 30 23790 320 15 9.6 -11.5 | 218 21 12.8 16.1 Wind Parameters Mean winds (0-6000m): 336.5 at 37.0 knts Storm direction: 6.5 at 27.8 knts Shear (0-3000m) pos: 0.0 neg: 5.5 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 126.1 neg: -4.1 tot: 122.0 m^2/s^2 ave: 40.7 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.72 Bulk Shear: 109.79 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 16 12 180 16| 0.0 7.5 7.5| 14.8 -4.1 10.7 21.4 0.28| 10.1 2.8 1000 6 12 187 16| 0.0 4.8 4.8| 30.3 -4.1 26.2 26.2 0.46| 7.0 3.2 1500 356 12 194 16| 0.0 4.4 4.4| 47.6 -4.1 43.5 29.0 0.57| 6.1 3.4 2000 349 13 201 16| 0.0 4.9 4.9| 73.8 -4.1 69.7 34.8 0.66| 6.3 4.2 2500 344 16 210 15| 0.0 5.2 5.2|100.0 -4.1 95.9 38.4 0.73| 6.4 4.7 3000 341 18 221 14| 0.0 5.5 5.5|126.1 -4.1 122.0 40.7 0.76| 6.5 5.0 4000 339 24 246 13| 0.0 5.8 5.8|177.8 -4.1 173.7 43.4 0.73| 6.6 4.9 5000 337 31 272 15| 0.0 6.0 6.0|229.5 -4.1 225.4 45.1 0.67| 6.7 4.5 6000 336 37 290 19| 0.0 6.1 6.1|278.2 -4.1 274.1 45.7 0.61| 6.7 4.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250418.12.gif