UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 24 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 1018 73 -0.3 -6.3 64 6.0 -2.4 80 1 271.5 271.8 269.8 277.9 2.34 1 1009 145 2.8 -8.2 44 11.0 -1.0 105 10 275.2 275.6 271.7 281.0 2.04 2 1000 217 3.6 -8.4 41 12.0 -0.6 130 19 276.8 277.1 272.6 282.5 2.02 3 986 331 3.8 -11.2 32 15.0 -1.2 135 18 278.1 278.3 272.8 282.8 1.64 4 925 846 0.4 -14.6 31 15.0 -4.0 155 15 279.7 279.9 273.2 283.6 1.33 5 880 1244 -2.3 -16.3 33 14.0 -6.2 229 11 280.9 281.1 273.8 284.5 1.21 6 871 1326 -1.5 -15.5 34 14.0 -5.5 244 11 282.6 282.8 274.8 286.5 1.31 7 850 1521 1.6 -32.4 6 34.0 -5.5 280 9 287.8 287.9 276.0 288.8 0.30 8 817 1839 0.2 -35.8 5 36.0 -6.7 283 12 289.6 289.7 276.8 290.4 0.22 9 783 2178 -2.1 -5.3 79 3.2 -3.4 286 15 290.7 291.3 281.5 300.3 3.29 10 766 2353 -2.7 -6.4 76 3.7 -4.1 288 17 291.9 292.4 281.7 301.0 3.09 11 704 3015 -8.3 -10.5 84 2.2 -9.1 295 23 292.8 293.3 281.4 300.1 2.44 12 700 3059 -9.1 -12.3 78 3.2 -10.1 295 23 292.4 292.8 280.8 298.8 2.12 13 699 3070 -9.3 -12.7 76 3.4 -10.4 295 23 292.3 292.7 280.7 298.5 2.06 14 623 3954 -12.5 -25.5 33 13.0 -15.3 305 25 298.4 298.6 281.7 300.9 0.77 15 593 4328 -15.5 -23.5 50 8.0 -17.3 310 26 299.2 299.4 282.3 302.3 0.97 16 555 4826 -17.3 -35.3 19 18.0 -20.1 316 27 302.8 302.8 283.0 303.9 0.34 17 529 5184 -19.3 -36.3 21 17.0 -21.7 320 28 304.6 304.6 283.7 305.7 0.32 18 500 5600 -22.5 -41.5 16 19.0 -24.6 325 29 305.6 305.6 283.9 306.3 0.20 19 483 5853 -24.3 -44.3 14 20.0 -26.3 328 30 306.4 306.5 284.2 307.0 0.15 20 453 6317 -26.5 -46.5 13 20.0 -28.3 334 32 309.3 309.4 285.2 309.8 0.13 21 400 7200 -34.7 -49.7 20 15.0 -35.6 345 35 309.9 309.9 285.4 310.3 0.10 22 304 9054 -51.3 -61.3 29 10.0 -51.5 340 38 311.9 311.9 286.0 312.0 0.03 23 300 9140 -51.9 -61.9 29 10.0 -52.1 340 38 312.2 312.2 286.1 312.3 0.03 24 264 9958 -56.9 -64.9 36 8.0 -57.0 336 42 316.5 316.5 287.6 316.6 0.02 25 250 10300 -61.1 -69.1 34 8.0 -61.2 335 44 315.2 315.2 287.2 315.3 0.01 26 247 10375 -61.3 -69.3 34 8.0 -61.4 335 44 316.0 316.0 287.5 316.1 0.01 27 238 10607 -61.3 -69.3 34 8.0 -61.4 330 43 319.4 319.4 288.6 319.5 0.01 28 214 11273 -59.7 -67.7 35 8.0 -59.8 315 39 331.7 331.7 292.2 331.8 0.02 29 200 11700 -58.5 -67.5 30 9.0 -58.6 305 36 340.1 340.1 294.4 340.2 0.02 30 192 11957 -55.9 -66.9 24 11.0 -56.1 304 36 348.3 348.3 296.3 348.4 0.02 31 150 13530 -54.1 -70.1 12 16.0 -54.5 300 38 376.9 376.9 301.8 377.0 0.02 32 137 14111 -52.7 -70.7 10 18.0 -53.2 300 37 389.2 389.2 303.7 389.3 0.02 33 112 15399 -55.9 -77.9 5 22.0 -56.3 300 34 406.3 406.3 306.0 406.4 0.01 34 108 15630 -54.9 -76.9 5 22.0 -55.4 300 34 412.5 412.5 306.8 412.5 0.01 35 102 15994 -55.3 -77.3 5 22.0 -55.8 300 33 418.5 418.5 307.6 418.6 0.01 36 100 16120 -55.3 -77.3 5 22.0 -55.8 300 33 420.9 420.9 307.8 420.9 0.01 37 76 17868 -58.1 -81.1 4 23.0 -58.6 292 27 449.4 449.4 310.8 449.4 0.01 38 75 17952 -57.5 -80.5 4 23.0 -58.0 292 27 452.4 452.4 311.1 452.4 0.01 39 70 18390 -57.3 -80.3 4 23.0 -57.9 290 25 461.8 461.8 312.0 461.8 0.01 40 50 20520 -56.7 -79.7 4 23.0 -57.5 285 19 509.9 509.9 315.7 509.9 0.01 41 48 20779 -56.5 -79.5 4 23.0 -57.3 287 18 516.3 516.3 316.1 516.4 0.02 42 43 21481 -54.9 -78.9 4 24.0 -56.1 291 17 536.8 536.8 317.3 536.9 0.02 43 39 22102 -57.9 -80.9 4 23.0 -58.8 295 15 544.4 544.4 317.8 544.5 0.01 44 31 23553 -57.5 -80.5 4 23.0 -58.6 304 12 582.4 582.4 319.8 582.5 0.02 45 30 23760 -58.3 -81.3 4 23.0 -59.4 305 11 585.7 585.7 319.9 585.8 0.02 46 25 24909 -57.7 -80.7 4 23.0 -59.0 278 12 618.8 618.8 321.5 619.0 0.02 47 20 26330 -53.9 -77.9 4 24.0 -56.3 245 13 671.2 671.2 323.4 671.6 0.05 48 16 27763 -53.9 -77.9 4 24.0 -56.7 715.4 715.4 324.9 715.9 0.06 49 15 28181 -49.9 -74.9 4 25.0 -54.1 742.0 742.1 325.7 742.9 0.10 TRP 247 10375 -61.3 -69.3 34 8.0 -61.4 335 44 316.0 316.0 287.5 316.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: Surface below freezing Freezing level: 1017.13 mb = 80.30 m = 263.44 ft Freezing level: 918.33 mb = 904.94 m = 2968.94 ft Freezing level: 860.84 mb = 1420.14 m = 4659.20 ft Freezing level: 814.04 mb = 1868.64 m = 6130.64 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 41.46 % Est. max temperature: 11.63 C = 52.93 F Sfc-Lift cond lev (LCL): 926.68 mb = 831.41 m = 2727.68 ft T: 0.50 C 700-500 lapse rate: 5.27 C/km ThetaE index: 2.49 C Layer 704.0- 623.0 mb Conv cond level (CCL): 536.72 mb = 5075.59 m = 16652.01 ft Mean mixing ratio: 1.63 g/kg Conv temperature: 32.43 C = 90.37 F Cap Strength: 18.94 C Lifted Index: 19.32 C Risk: None Lifted Index @300 mb: 20.91 C Lifted Index @700 mb: 11.56 C Showalter Index: 14.59 C Risk: None Total Totals Index: 14.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: -9.90 C K Index: -11.50 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.70 J/kg Max Up Vert Vel: 6.28 m/s Conv Inhibition (B-): 58092.96 J/kg Cap Strength: 19.20 C Lift Cond Lev (LCL): 779.43 mb = 2214.66 m = 7265.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 16 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 1018 73 80 1 -1.0 -0.2 | 152 16 -7.5 14.2 1 1000 217 130 19 -14.6 12.2 | 142 34 -21.1 26.5 2 925 846 155 15 -6.3 13.6 | 155 31 -12.9 27.9 3 850 1521 280 9 8.9 -1.6 | 190 13 2.3 12.8 4 700 3059 295 23 20.8 -9.7 | 252 15 14.3 4.6 5 500 5600 325 29 16.6 -23.8 | 313 14 10.1 -9.4 6 400 7200 345 35 9.1 -33.8 | 353 20 2.5 -19.5 7 300 9140 340 38 13.0 -35.7 | 343 22 6.5 -21.4 8 250 10300 335 44 18.6 -39.9 | 335 28 12.1 -25.6 9 247 10375 335 44 18.6 -39.9 | 335 28 12.1 -25.6 10 200 11700 305 36 29.5 -20.6 | 285 24 23.0 -6.3 11 150 13530 300 38 32.9 -19.0 | 280 27 26.4 -4.7 12 100 16120 300 33 28.6 -16.5 | 276 22 22.1 -2.2 13 70 18390 290 25 23.5 -8.6 | 251 18 17.0 5.8 14 50 20520 285 19 18.4 -4.9 | 232 15 11.8 9.4 15 30 23760 305 11 9.0 -6.3 | 197 8 2.5 8.0 16 20 26330 245 13 11.8 5.5 | 195 21 5.3 19.8 Wind Parameters Mean winds (0-6000m): 305.5 at 21.0 knts Storm direction: 335.5 at 15.7 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 251.6 neg: -30.7 tot: 220.9 m^2/s^2 ave: 73.6 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.11 Bulk Shear: 175.63 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 ------------------------------------------------------------------------------- 500 135 16 145 31| 16.8 0.0 16.8| 60.2 -30.7 29.5 59.1 0.06| 24.7 1.4 1000 146 15 151 31| 6.9 0.0 6.9|160.0 -30.7 129.3 129.3 0.37| 19.5 7.2 1500 154 14 155 30| 3.6 0.0 3.6|202.8 -30.7 172.1 114.7 0.39| 18.6 7.3 2000 176 13 165 29| 3.8 0.0 3.8|218.4 -30.7 187.7 93.9 0.44| 15.2 6.7 2500 217 14 184 25| 4.0 0.0 4.0|234.6 -30.7 203.9 81.6 0.48| 13.1 6.3 3000 256 15 204 20| 4.1 0.0 4.1|251.6 -30.7 220.9 73.6 0.51| 11.7 6.0 4000 282 17 224 15| 3.4 0.0 3.4|272.1 -30.7 241.4 60.3 0.55| 9.5 5.2 5000 296 19 241 12| 2.9 0.0 2.9|293.4 -30.7 262.7 52.5 0.58| 8.2 4.8 6000 306 21 259 11| 2.7 0.0 2.7|317.9 -30.7 287.2 47.9 0.61| 7.4 4.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250424.00.gif