UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 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 1007 75 7.0 5.1 88 1.9 6.1 360 3 279.6 280.5 278.9 294.6 5.47 1 1000 132 6.2 3.2 81 3.0 4.8 15 7 279.4 280.2 277.9 292.6 4.81 2 970 381 4.4 1.3 80 3.1 3.0 29 9 280.0 280.7 277.6 292.0 4.33 3 941 628 3.6 -10.4 35 14.0 -1.2 42 12 281.6 281.9 275.0 286.9 1.84 4 925 767 3.0 -9.0 41 12.0 -1.3 50 13 282.4 282.7 275.8 288.4 2.09 5 886 1114 1.0 -13.0 34 14.0 -3.5 359 17 283.8 284.1 275.9 288.5 1.58 6 872 1242 0.8 -9.2 47 10.0 -2.7 340 19 284.9 285.3 277.3 291.2 2.18 7 860 1354 1.4 -9.6 44 11.0 -2.5 324 20 286.7 287.0 278.1 292.9 2.14 8 852 1429 2.0 -17.0 23 19.0 -3.7 313 21 288.0 288.3 277.4 291.6 1.18 9 850 1448 2.0 -16.0 25 18.0 -3.6 310 21 288.2 288.5 277.7 292.1 1.29 10 820 1737 1.0 -14.0 32 15.0 -3.9 308 27 290.2 290.4 279.0 294.9 1.58 11 765 2295 0.2 -1.9 86 2.1 -0.7 305 38 295.1 295.9 284.5 307.9 4.35 12 708 2913 -2.3 -4.4 85 2.1 -3.2 301 50 299.0 299.7 285.5 310.7 3.90 13 700 3003 -2.9 -4.8 87 1.9 -3.7 300 52 299.3 300.0 285.6 310.8 3.82 14 695 3060 -3.1 -5.0 87 1.9 -3.9 300 52 299.7 300.4 285.7 311.1 3.79 15 632 3804 -7.7 -9.2 89 1.5 -8.3 302 52 302.7 303.2 286.0 312.0 3.01 16 584 4413 -11.7 -13.6 86 1.9 -12.3 303 52 304.9 305.4 286.1 312.2 2.29 17 581 4452 -13.1 -14.9 86 1.8 -13.7 303 52 303.7 304.1 285.4 310.3 2.07 18 535 5075 -17.1 -23.1 60 6.0 -18.5 304 52 306.2 306.4 285.2 309.9 1.11 19 500 5580 -19.3 -25.3 59 6.0 -20.6 305 52 309.5 309.7 286.3 312.8 0.98 20 471 6022 -21.3 -28.3 53 7.0 -22.7 306 51 312.4 312.5 287.1 315.1 0.79 21 469 6053 -22.9 -32.9 40 10.0 -24.5 306 51 310.8 310.9 286.2 312.5 0.51 22 432 6653 -25.1 -34.1 43 9.0 -26.5 308 51 315.3 315.4 287.8 317.1 0.49 23 418 6890 -29.5 -38.5 41 9.0 -30.5 309 50 312.7 312.7 286.7 313.9 0.33 24 409 7044 -32.3 -40.3 45 8.0 -33.1 310 50 311.0 311.1 286.1 312.0 0.28 25 400 7200 -35.7 -43.7 44 8.0 -36.3 310 50 308.6 308.6 285.1 309.3 0.20 26 342 8276 -39.3 -46.3 47 7.0 -39.8 307 52 317.8 317.9 288.2 318.5 0.18 27 332 8477 -41.3 -48.3 47 7.0 -41.7 307 53 317.8 317.8 288.2 318.3 0.14 28 300 9150 -49.5 -56.5 44 7.0 -49.7 305 54 315.6 315.6 287.3 315.8 0.06 29 292 9328 -51.1 -58.1 43 7.0 -51.2 304 54 315.8 315.8 287.4 316.0 0.05 30 271 9814 -52.9 -59.9 42 7.0 -53.1 302 54 320.0 320.0 288.8 320.1 0.04 31 260 10081 -56.5 -63.5 41 7.0 -56.6 301 54 318.5 318.5 288.3 318.6 0.03 32 250 10330 -58.5 -65.5 40 7.0 -58.6 300 54 319.1 319.1 288.5 319.2 0.02 33 247 10406 -58.7 -65.7 40 7.0 -58.8 300 54 319.9 319.9 288.8 320.0 0.02 34 225 10987 -62.5 -69.5 38 7.0 -62.6 300 52 322.7 322.7 289.6 322.8 0.01 35 211 11382 -63.5 -71.5 33 8.0 -63.6 300 51 327.2 327.2 290.9 327.2 0.01 36 200 11710 -65.1 -73.1 32 8.0 -65.1 300 50 329.7 329.7 291.6 329.7 0.01 37 199 11741 -66.7 -74.7 32 8.0 -66.7 300 50 327.6 327.6 291.0 327.6 0.01 38 190 12023 -65.1 -73.1 32 8.0 -65.1 298 48 334.5 334.5 292.9 334.6 0.01 39 188 12088 -62.1 -70.1 34 8.0 -62.2 298 47 340.4 340.4 294.4 340.5 0.02 40 155 13301 -57.1 -69.1 20 12.0 -57.3 291 38 368.2 368.2 300.2 368.3 0.02 41 150 13510 -56.3 -69.3 18 13.0 -56.6 290 36 373.1 373.1 301.1 373.2 0.02 42 148 13596 -56.1 -70.1 16 14.0 -56.4 290 36 374.9 374.9 301.4 375.0 0.02 43 100 16090 -57.9 -77.9 6 20.0 -58.3 305 25 415.9 415.9 307.2 415.9 0.01 44 88 16900 -57.5 -77.5 6 20.0 -57.9 305 26 432.1 432.1 309.1 432.2 0.01 45 78 17663 -57.9 -77.9 6 20.0 -58.3 305 26 446.5 446.5 310.5 446.5 0.01 46 70 18350 -56.3 -77.3 5 21.0 -56.9 305 27 463.9 463.9 312.1 464.0 0.01 47 62 19121 -55.3 -77.3 5 22.0 -56.1 307 23 482.5 482.5 313.7 482.6 0.02 48 50 20490 -55.9 -77.9 5 22.0 -56.8 310 17 511.7 511.8 315.8 511.9 0.02 49 45 21160 -55.5 -77.5 5 22.0 -56.5 310 17 528.4 528.4 316.8 528.5 0.02 50 30 23740 -55.5 -78.5 4 23.0 -56.9 310 17 593.3 593.3 320.3 593.5 0.03 51 28 24180 -55.5 -78.5 4 23.0 -57.1 605.2 605.2 320.9 605.4 0.03 TRP 199 11741 -66.7 -74.7 32 8.0 -66.7 300 50 327.6 327.6 291.0 327.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5448.00 m Freezing level: 760.44 mb = 2344.36 m = 7691.37 ft Wetbulb zero: 949.32 mb = 556.22 m = 1824.86 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 68.20 % Est. max temperature: 14.60 C = 58.27 F Sfc-Lift cond lev (LCL): 978.11 mb = 312.93 m = 1026.67 ft T: 4.89 C 700-500 lapse rate: 6.36 C/km ThetaE index: 7.64 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 623.47 mb = 3908.86 m = 12824.20 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 30.52 C = 86.94 F Cap Strength: 14.81 C Lifted Index: 16.83 C Risk: None Lifted Index @300 mb: 18.10 C Lifted Index @700 mb: 12.67 C Showalter Index: 15.31 C Risk: None Total Totals Index: 24.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 3.30 C K Index: 3.40 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 4.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.21 J/kg Max Up Vert Vel: 5.52 m/s Conv Inhibition (B-): 46112.18 J/kg Cap Strength: 16.35 C Lift Cond Lev (LCL): 858.37 mb = 1369.05 m = 4491.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 30 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 1007 75 360 3 -0.0 -3.0 | 153 27 -12.1 24.0 1 1000 132 15 7 -1.8 -6.8 | 145 25 -13.9 20.2 2 925 767 50 13 -10.0 -8.4 | 130 29 -22.1 18.6 3 850 1448 310 21 16.1 -13.5 | 196 14 4.0 13.5 4 700 3003 300 52 45.0 -26.0 | 268 33 32.9 1.0 5 500 5580 305 52 42.6 -29.8 | 275 31 30.5 -2.8 6 400 7200 310 50 38.3 -32.1 | 281 27 26.2 -5.2 7 300 9150 305 54 44.2 -31.0 | 277 32 32.1 -4.0 8 250 10330 300 54 46.8 -27.0 | 270 35 34.6 -0.0 9 200 11710 300 50 43.3 -25.0 | 266 31 31.2 2.0 10 199 11741 300 50 43.3 -25.0 | 266 31 31.2 2.0 11 150 13510 290 36 33.8 -12.3 | 236 26 21.7 14.7 12 100 16090 305 25 20.5 -14.3 | 213 15 8.4 12.6 13 70 18350 305 27 22.1 -15.5 | 221 15 10.0 11.5 14 50 20490 310 17 13.0 -10.9 | 183 16 0.9 16.1 15 30 23740 310 17 13.0 -10.9 | 183 16 0.9 16.1 Wind Parameters Mean winds (0-6000m): 305.8 at 39.4 knts Storm direction: 335.8 at 29.6 knts Shear (0-3000m) pos: 1.6 neg: 9.4 tot: 11.0 10-3/s Storm rel Dir Shear (0-3000m): 115.3 deg Storm rel helicity (0-3000m) pos: 150.6 neg: -84.2 tot: 66.5 m^2/s^2 ave: 22.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 204.51 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 29 9 140 25| 9.3 0.0 9.3| 0.0 -58.1 -58.1 -116.3 -0.88| 10.1 -8.9 1000 32 11 134 25| 4.7 5.0 9.7| 3.2 -84.2 -81.0 -81.0 -0.48| 12.6 -6.0 1500 359 14 138 18| 3.1 8.9 12.1| 57.4 -84.2 -26.7 -17.8 0.12| 15.6 1.8 2000 333 18 159 12| 2.3 9.2 11.6| 93.2 -84.2 9.0 4.5 0.26| 14.3 3.8 2500 320 22 190 10| 1.9 9.5 11.4|126.2 -84.2 42.0 16.8 0.32| 13.5 4.3 3000 313 26 218 12| 1.6 9.4 11.0|150.6 -84.2 66.5 22.2 0.32| 12.8 4.1 4000 308 32 242 15| 1.4 7.1 8.4|163.5 -84.2 79.4 19.8 0.34| 9.8 3.3 5000 306 37 253 18| 1.3 5.7 6.9|176.2 -84.2 92.0 18.4 0.35| 8.0 2.8 6000 306 39 259 20| 1.3 4.7 6.0|189.6 -84.2 105.4 17.6 0.36| 6.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250421.00.gif