UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 21 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 1014 68 13.4 -3.6 30 17.0 6.0 160 3 285.4 285.9 278.5 293.7 2.88 1 1000 184 11.8 -4.2 32 16.0 5.0 180 5 285.0 285.4 278.2 293.0 2.80 2 925 828 5.2 -6.8 42 12.0 0.5 185 5 284.6 285.1 277.6 291.8 2.48 3 861 1408 -0.5 -8.5 55 8.0 -3.4 223 13 284.6 285.0 277.3 291.3 2.33 4 850 1511 0.6 -9.4 47 10.0 -3.0 230 15 286.8 287.2 278.3 293.2 2.20 5 843 1577 1.4 -10.6 40 12.0 -2.9 233 16 288.3 288.6 278.7 294.3 2.02 6 832 1683 2.6 -1.0 77 3.6 1.0 238 17 290.6 291.4 282.6 303.0 4.27 7 823 1771 2.2 0.3 87 1.9 1.3 242 18 291.1 292.0 283.4 304.9 4.75 8 770 2307 0.6 -3.1 76 3.7 -1.0 266 23 295.0 295.7 284.1 306.7 3.95 9 765 2360 0.6 -3.1 76 3.7 -1.0 268 24 295.5 296.3 284.3 307.3 3.98 10 719 2854 -2.9 -5.3 83 2.4 -3.9 290 29 297.0 297.6 284.5 307.7 3.58 11 718 2865 -3.1 -5.5 83 2.4 -4.1 291 29 296.9 297.5 284.4 307.5 3.53 12 700 3066 -3.7 -7.5 75 3.8 -5.2 300 31 298.4 299.0 284.5 307.8 3.11 13 688 3202 -4.3 -8.3 74 4.0 -5.8 300 31 299.2 299.7 284.7 308.2 2.97 14 685 3237 -4.5 -8.5 74 4.0 -6.0 300 31 299.4 299.9 284.7 308.3 2.94 15 670 3411 -3.7 -8.2 71 4.5 -5.5 300 31 302.1 302.7 285.9 311.6 3.07 16 610 4142 -10.1 -16.1 61 6.0 -11.9 300 31 303.0 303.3 284.8 308.6 1.78 17 594 4346 -11.1 -16.1 67 5.0 -12.6 300 31 304.1 304.5 285.3 310.0 1.83 18 532 5185 -15.1 -30.1 27 15.0 -18.1 300 31 309.1 309.2 285.7 311.1 0.59 19 529 5228 -15.3 -29.3 29 14.0 -18.1 300 31 309.4 309.5 285.9 311.5 0.64 20 515 5429 -16.9 -25.9 46 9.0 -18.8 300 31 309.8 310.0 286.4 312.8 0.90 21 500 5650 -19.1 -27.1 49 8.0 -20.7 300 31 309.8 309.9 286.2 312.6 0.83 22 472 6076 -22.3 -29.3 53 7.0 -23.5 296 32 310.9 311.1 286.5 313.4 0.72 23 470 6108 -22.3 -28.3 58 6.0 -23.4 296 32 311.3 311.5 286.8 314.0 0.79 24 402 7235 -31.9 -38.9 50 7.0 -32.6 285 33 313.1 313.1 286.8 314.3 0.33 25 400 7270 -31.9 -38.9 50 7.0 -32.6 285 33 313.5 313.6 287.0 314.7 0.33 26 379 7649 -35.1 -43.1 44 8.0 -35.8 284 33 314.2 314.2 287.1 315.0 0.22 27 368 7854 -36.3 -44.3 43 8.0 -36.9 284 33 315.2 315.3 287.4 316.0 0.20 28 312 8972 -47.7 -54.7 44 7.0 -47.9 281 33 314.6 314.6 287.1 314.9 0.07 29 300 9230 -48.7 -55.7 44 7.0 -48.9 280 33 316.7 316.7 287.8 317.0 0.07 30 278 9728 -52.3 -59.3 43 7.0 -52.5 276 34 318.5 318.5 288.3 318.7 0.05 31 250 10410 -56.9 -63.9 41 7.0 -57.0 270 35 321.5 321.5 289.2 321.6 0.03 32 230 10932 -59.9 -66.9 40 7.0 -60.0 272 33 324.7 324.7 290.2 324.7 0.02 33 200 11790 -65.9 -73.9 32 8.0 -66.0 275 29 328.4 328.4 291.3 328.4 0.01 34 199 11821 -66.3 -73.3 37 7.0 -66.4 275 29 328.2 328.2 291.2 328.3 0.01 35 192 12040 -65.3 -73.3 32 8.0 -65.4 279 29 333.2 333.2 292.6 333.3 0.01 36 150 13590 -56.1 -66.1 27 10.0 -56.3 305 29 373.4 373.4 301.2 373.6 0.04 37 100 16160 -57.1 -74.1 10 17.0 -57.5 305 29 417.4 417.4 307.4 417.5 0.02 38 87 17044 -55.1 -74.1 8 19.0 -55.6 299 27 438.4 438.4 309.7 438.5 0.02 39 74 18070 -57.5 -78.5 5 21.0 -58.0 292 24 454.1 454.1 311.3 454.2 0.01 40 70 18420 -57.9 -78.9 5 21.0 -58.4 290 23 460.5 460.5 311.8 460.6 0.01 41 69 18511 -58.9 -79.9 5 21.0 -59.4 290 23 460.3 460.3 311.8 460.3 0.01 42 62 19189 -55.5 -77.5 5 22.0 -56.3 294 22 482.1 482.1 313.6 482.2 0.02 43 61 19293 -56.3 -78.3 5 22.0 -57.0 294 22 482.6 482.6 313.7 482.6 0.01 44 52 20302 -59.1 -81.1 4 22.0 -59.7 299 21 498.6 498.6 314.8 498.6 0.01 45 50 20550 -56.1 -79.1 4 23.0 -57.0 300 21 511.3 511.3 315.7 511.4 0.02 46 49 20678 -54.9 -77.9 4 23.0 -55.9 300 21 517.1 517.1 316.1 517.2 0.02 47 44 21362 -55.7 -78.7 4 23.0 -56.7 299 21 531.3 531.3 317.0 531.4 0.02 48 31 23572 -58.3 -81.3 4 23.0 -59.3 295 21 580.2 580.2 319.7 580.4 0.02 49 31 23572 -55.7 -79.7 3 24.0 -57.1 295 21 587.3 587.3 320.0 587.4 0.02 50 30 23780 -56.7 -79.7 4 23.0 -58.0 295 21 590.1 590.1 320.2 590.2 0.02 51 28 24217 -57.1 -80.1 4 23.0 -58.4 292 22 600.7 600.7 320.6 600.9 0.02 52 27 24447 -58.1 -81.1 4 23.0 -59.3 291 22 604.2 604.2 320.8 604.3 0.02 53 24 25194 -55.5 -79.5 3 24.0 -57.3 287 23 632.4 632.5 322.0 632.7 0.03 54 22 25745 -58.1 -81.1 4 23.0 -59.6 284 24 640.6 640.6 322.3 640.8 0.03 55 20 26350 -55.1 -79.1 4 24.0 -57.2 280 25 667.5 667.5 323.3 667.8 0.04 56 19 26676 -56.9 -79.9 4 23.0 -58.7 671.8 671.8 323.5 672.1 0.04 57 18 27020 -55.7 -79.7 3 24.0 -57.9 686.0 686.1 324.0 686.4 0.04 58 16 27778 -51.1 -76.1 4 25.0 -54.7 724.6 724.6 325.2 725.2 0.08 59 14 28651 -48.9 -73.9 4 25.0 -53.6 760.2 760.3 326.3 761.4 0.12 TRP 199 11821 -66.3 -73.3 37 7.0 -66.4 275 29 328.2 328.2 291.2 328.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5466.00 m Freezing level: 866.61 mb = 1357.02 m = 4452.10 ft Freezing level: 856.00 mb = 1454.75 m = 4772.76 ft Freezing level: 757.11 mb = 2444.35 m = 8019.43 ft Wetbulb zero: 916.08 mb = 906.36 m = 2973.60 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 58.37 % Est. max temperature: 12.56 C = 54.61 F Sfc-Lift cond lev (LCL): 783.05 mb = 2171.93 m = 7125.66 ft T: 1.00 C 700-500 lapse rate: 5.96 C/km ThetaE index: 2.39 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 580.80 mb = 4516.94 m = 14819.18 ft Mean mixing ratio: 2.64 g/kg Conv temperature: 33.22 C = 91.79 F Cap Strength: 15.66 C Lifted Index: 15.27 C Risk: None Lifted Index @300 mb: 17.26 C Lifted Index @700 mb: 10.28 C Showalter Index: 14.69 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 9.70 C K Index: 6.50 Risk: None Sweat Index: 203.46 Risk: None Energy Index: 4.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.14 J/kg Max Up Vert Vel: 3.21 m/s Conv Inhibition (B-): 58913.42 J/kg Cap Strength: 15.64 C Lift Cond Lev (LCL): 775.86 mb = 2246.20 m = 7369.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 18 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 1014 68 160 3 -1.0 2.8 | 143 20 -12.2 16.4 1 1000 184 180 5 0.0 5.0 | 149 22 -11.2 18.6 2 925 828 185 5 0.4 5.0 | 150 21 -10.8 18.6 3 850 1511 230 15 11.5 9.6 | 181 23 0.3 23.2 4 700 3066 300 31 26.8 -15.5 | 277 16 15.6 -1.9 5 500 5650 300 31 26.8 -15.5 | 277 16 15.6 -1.9 6 400 7270 285 33 31.9 -8.5 | 256 21 20.7 5.0 7 300 9230 280 33 32.5 -5.7 | 250 23 21.3 7.9 8 250 10410 270 35 35.0 -0.0 | 240 27 23.8 13.6 9 200 11790 275 29 28.9 -2.5 | 238 21 17.7 11.1 10 199 11821 275 29 28.9 -2.5 | 238 21 17.7 11.1 11 150 13590 305 29 23.8 -16.6 | 284 13 12.6 -3.1 12 100 16160 305 29 23.8 -16.6 | 284 13 12.6 -3.1 13 70 18420 290 23 21.6 -7.9 | 241 12 10.4 5.7 14 50 20550 300 21 18.2 -10.5 | 246 8 7.0 3.1 15 30 23780 295 21 19.0 -8.9 | 239 9 7.8 4.7 16 20 26350 280 25 24.6 -4.3 | 235 16 13.4 9.2 Wind Parameters Mean winds (0-6000m): 290.5 at 23.5 knts Storm direction: 320.5 at 17.6 knts Shear (0-3000m) pos: 5.7 neg: 0.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 133.7 deg Storm rel helicity (0-3000m) pos: 247.8 neg: 0.0 tot: 247.8 m^2/s^2 ave: 82.6 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 7.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 86.40 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 ------------------------------------------------------------------------------- 500 180 5 149 22| 2.6 0.0 2.6| 12.8 0.0 12.8 25.6 0.86| 2.7 2.4 1000 185 5 150 22| 3.4 0.0 3.4| 35.1 0.0 35.1 35.1 0.89| 3.5 3.1 1500 208 8 159 22| 5.1 0.0 5.1| 95.0 0.0 95.0 63.3 0.95| 5.7 5.4 2000 225 10 169 21| 5.5 0.0 5.5|144.6 0.0 144.6 72.3 0.96| 6.5 6.2 2500 243 13 181 19| 5.6 0.0 5.6|195.5 0.0 195.5 78.2 0.96| 7.4 7.0 3000 263 16 195 16| 5.7 0.0 5.7|247.8 0.0 247.8 82.6 0.96| 8.3 7.9 4000 280 19 217 13| 4.3 0.0 4.3|247.8 0.0 247.8 61.9 0.96| 6.2 6.0 5000 287 22 233 12| 3.4 0.0 3.4|247.8 0.0 247.8 49.6 0.96| 5.0 4.8 6000 290 23 244 12| 2.9 0.2 3.0|247.8 -7.4 240.3 40.1 0.89| 4.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250421.12.gif