UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 28 NOV 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 1021 71 -0.9 -6.9 64 6.0 -2.9 280 3 270.6 271.0 269.1 276.7 2.23 1 1000 236 -3.5 -9.5 63 6.0 -5.3 315 11 269.6 270.0 267.8 274.7 1.86 2 997 260 -4.1 -10.1 63 6.0 -5.8 316 11 269.3 269.6 267.5 274.2 1.78 3 925 846 -7.9 -11.6 75 3.7 -8.9 330 17 271.2 271.5 268.6 276.0 1.70 4 850 1497 -13.3 -15.3 85 2.0 -13.7 325 13 272.2 272.4 268.7 276.1 1.37 5 836 1623 -13.9 -15.7 86 1.8 -14.3 323 15 272.9 273.1 269.1 276.7 1.34 6 830 1678 -13.1 -14.9 86 1.8 -13.5 323 16 274.3 274.5 270.2 278.4 1.45 7 822 1752 -11.9 -14.2 83 2.3 -12.5 322 17 276.3 276.6 271.6 280.7 1.55 8 811 1855 -12.5 -16.5 72 4.0 -13.5 320 19 276.7 277.0 271.4 280.5 1.30 9 782 2133 -10.9 -22.9 37 12.0 -13.4 316 23 281.4 281.5 273.3 283.7 0.77 10 756 2392 -11.9 -30.9 19 19.0 -15.0 313 27 283.0 283.1 273.6 284.2 0.38 11 700 2978 -14.5 -32.5 20 18.0 -17.3 305 36 286.4 286.5 275.4 287.6 0.36 12 586 4305 -21.7 -38.7 20 17.0 -23.6 305 59 293.0 293.0 278.5 293.7 0.23 13 500 5460 -27.3 -35.3 47 8.0 -28.2 305 79 299.8 299.8 281.8 301.0 0.38 14 472 5872 -29.5 -36.5 51 7.0 -30.3 306 81 302.0 302.1 282.7 303.2 0.36 15 465 5978 -29.9 -36.9 51 7.0 -30.6 307 81 302.8 302.9 283.0 304.0 0.35 16 400 7030 -38.1 -44.1 53 6.0 -38.5 310 85 305.5 305.5 283.8 306.1 0.19 17 300 8940 -54.1 -60.1 48 6.0 -54.2 305 97 309.1 309.1 285.0 309.2 0.04 18 250 10090 -62.9 -67.9 51 5.0 -63.0 300 104 312.6 312.6 286.2 312.6 0.02 19 249 10115 -63.1 -68.1 51 5.0 -63.1 300 104 312.6 312.6 286.3 312.7 0.02 20 244 10240 -62.8 -67.8 51 5.0 -62.8 300 106 314.9 314.9 287.1 315.0 0.02 21 237 10420 -62.3 -67.3 51 5.0 -62.3 301 100 318.3 318.3 288.2 318.3 0.02 22 221 10849 -65.1 -70.1 50 5.0 -65.1 305 85 320.4 320.4 288.9 320.4 0.01 23 200 11460 -64.1 -69.1 50 5.0 -64.1 300 89 331.2 331.3 292.1 331.3 0.02 24 176 12245 -61.9 -66.9 51 5.0 -62.0 296 81 347.2 347.2 296.0 347.3 0.03 25 150 13230 -62.9 -68.9 44 6.0 -63.0 290 71 361.7 361.7 299.1 361.8 0.02 26 107 15306 -64.3 -71.3 38 7.0 -64.4 294 69 395.8 395.8 304.6 395.9 0.02 27 105 15422 -63.9 -70.9 38 7.0 -64.0 294 68 398.7 398.7 305.0 398.8 0.03 28 102 15599 -64.9 -71.9 37 7.0 -65.0 295 68 400.1 400.1 305.2 400.2 0.02 29 101 15659 -64.7 -71.7 38 7.0 -64.8 295 68 401.6 401.6 305.5 401.7 0.02 30 100 15720 -65.1 -72.1 37 7.0 -65.2 295 68 401.9 402.0 305.5 402.1 0.02 31 81 16997 -67.5 -74.5 36 7.0 -67.6 422.0 422.0 308.0 422.1 0.02 TRP 221 10849 -65.1 -70.1 50 5.0 -65.1 305 85 320.4 320.4 288.9 320.4 0.01 WND 244 10240 -62.8 -67.8 51 5.0 -62.8 300 106 314.9 314.9 287.1 315.0 0.02 Sounding variables and indices 1000-500 mb thick: 5224.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 42.84 % Est. max temperature: 0.41 C = 32.74 F Sfc-Lift cond lev (LCL): 929.26 mb = 810.02 m = 2657.52 ft T: -7.67 C 700-500 lapse rate: 5.16 C/km ThetaE index: 2.57 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 872.56 mb = 1295.34 m = 4249.74 ft Mean mixing ratio: 1.80 g/kg Conv temperature: 0.39 C = 32.70 F Cap Strength: 15.93 C Lifted Index: 20.40 C Risk: None Lifted Index @300 mb: 24.04 C Lifted Index @700 mb: 11.85 C Showalter Index: 19.73 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 14.00 C Cross Totals Index: 12.00 C K Index: -19.30 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 5.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.48 J/kg Max Up Vert Vel: 1.72 m/s Conv Inhibition (B-): 22149.71 J/kg Cap Strength: 20.12 C Lift Cond Lev (LCL): 895.15 mb = 1098.58 m = 3604.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 31 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 1021 71 280 3 3.0 -0.5 | 162 30 -9.0 28.3 1 1000 236 315 11 7.8 -7.8 | 169 21 -4.2 21.1 2 925 846 330 17 8.5 -14.7 | 166 15 -3.5 14.1 3 850 1497 325 13 7.5 -10.6 | 166 19 -4.5 18.2 4 700 2978 305 36 29.5 -20.6 | 245 19 17.5 8.2 5 500 5460 305 79 64.7 -45.3 | 287 55 52.7 -16.5 6 400 7030 310 85 65.1 -54.6 | 296 59 53.1 -25.8 7 300 8940 305 97 79.5 -55.6 | 292 73 67.5 -26.8 8 250 10090 300 104 90.1 -52.0 | 287 81 78.1 -23.2 9 244 10240 300 106 91.8 -53.0 | 287 83 79.8 -24.2 10 221 10849 305 85 69.6 -48.8 | 289 61 57.6 -19.9 11 200 11460 300 89 77.1 -44.5 | 284 67 65.1 -15.7 12 150 13230 290 71 66.7 -24.3 | 265 55 54.7 4.6 13 100 15720 295 68 61.6 -28.7 | 270 50 49.6 0.1 Wind Parameters Mean winds (0-6000m): 307.4 at 41.6 knts Storm direction: 337.4 at 31.2 knts Shear (0-3000m) pos: 2.4 neg: 4.1 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 86.6 deg Storm rel helicity (0-3000m) pos: 106.5 neg: -4.0 tot: 102.6 m^2/s^2 ave: 34.2 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 127.74 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 ------------------------------------------------------------------------------- 500 317 11 167 21| 12.6 0.0 12.6| 22.3 -0.4 21.9 43.8 0.24| 13.2 3.2 1000 324 13 167 18| 7.1 0.0 7.1| 22.5 -3.5 19.0 19.0 0.14| 8.9 1.2 1500 325 14 167 18| 4.7 0.6 5.4| 25.6 -4.0 21.6 14.4 0.14| 7.1 1.0 2000 323 15 169 17| 3.6 1.9 5.4| 50.7 -4.0 46.7 23.4 0.32| 7.4 2.4 2500 320 17 176 16| 2.8 3.2 6.0| 78.4 -4.0 74.4 29.8 0.47| 7.7 3.6 3000 315 20 188 15| 2.4 4.1 6.5|106.5 -4.0 102.6 34.2 0.51| 7.9 4.0 4000 311 26 214 14| 1.8 5.3 7.1|183.3 -4.0 179.4 44.8 0.55| 8.1 4.5 5000 308 34 242 17| 1.4 6.0 7.4|260.1 -4.0 256.2 51.2 0.52| 8.3 4.3 6000 307 42 260 21| 2.0 5.0 7.0|338.6 -4.0 334.7 55.8 0.52| 7.8 4.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251128.00.gif