UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U4266... Searching the city database file for: U4266 ... Date:1200Z 18 OCT 25 Station: U4266 WMO ident: 24266 Latitude: 67.55 Longitude: 133.38 ------------------------------------------------------------------------------- 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 1004 140 -9.1 -11.5 83 2.4 -9.7 5 1 263.7 264.0 263.2 268.0 1.58 1 1000 171 -9.7 -13.6 73 3.9 -10.6 340 1 263.5 263.7 262.5 267.1 1.34 2 998 186 -10.1 -13.8 74 3.7 -10.9 340 1 263.2 263.4 262.3 266.8 1.32 3 967 430 -9.5 -12.2 81 2.7 -10.2 340 6 266.2 266.4 264.9 270.4 1.55 4 958 503 -5.9 -8.2 84 2.3 -6.6 340 8 270.5 270.9 269.0 276.4 2.15 5 937 677 -5.3 -6.8 89 1.5 -5.8 340 11 272.9 273.3 270.9 279.6 2.45 6 925 778 -6.1 -7.7 88 1.6 -6.6 340 13 273.1 273.5 270.8 279.5 2.31 7 850 1435 -9.9 -11.8 86 1.9 -10.4 345 17 275.8 276.1 271.7 280.9 1.82 8 798 1919 -13.7 -15.9 83 2.2 -14.2 338 18 276.7 277.0 271.6 280.7 1.38 9 700 2907 -18.3 -21.7 75 3.4 -19.0 325 21 282.2 282.4 274.0 285.1 0.96 10 668 3255 -19.9 -23.5 73 3.6 -20.5 319 22 284.2 284.4 275.0 286.8 0.86 11 615 3863 -24.9 -27.6 78 2.7 -25.3 308 24 285.3 285.4 275.2 287.3 0.64 12 500 5340 -34.3 -36.8 78 2.5 -34.5 280 29 291.2 291.3 277.8 292.3 0.33 13 485 5553 -35.5 -37.9 79 2.4 -35.7 277 31 292.3 292.3 278.3 293.3 0.30 14 416 6605 -42.3 -47.3 58 5.0 -42.5 264 41 296.7 296.7 280.1 297.1 0.13 15 400 6870 -43.1 -49.1 52 6.0 -43.3 260 44 299.0 299.0 281.1 299.4 0.11 16 352 7723 -47.3 -54.3 45 7.0 -47.5 260 48 304.4 304.5 283.2 304.7 0.07 17 336 8030 -47.7 -54.7 44 7.0 -47.9 260 49 308.0 308.0 284.7 308.2 0.07 18 300 8770 -52.1 -59.1 43 7.0 -52.2 260 52 311.9 311.9 286.1 312.1 0.04 19 298 8813 -52.7 -59.7 42 7.0 -52.8 260 51 311.7 311.7 285.9 311.8 0.04 20 292 8945 -52.9 -60.9 37 8.0 -53.1 260 49 313.2 313.2 286.5 313.3 0.04 21 250 9940 -57.1 -65.1 36 8.0 -57.2 260 33 321.2 321.2 289.1 321.3 0.02 22 234 10360 -55.3 -63.3 36 8.0 -55.5 275 30 330.0 330.0 291.7 330.2 0.03 23 208 11117 -52.1 -61.1 33 9.0 -52.4 301 25 346.4 346.4 295.8 346.6 0.05 24 200 11370 -53.7 -62.7 32 9.0 -53.9 310 23 347.7 347.7 296.2 347.9 0.04 25 188 11764 -55.7 -64.7 32 9.0 -55.9 318 21 350.7 350.7 296.8 350.9 0.03 26 179 12078 -52.7 -62.7 29 10.0 -53.0 323 20 360.6 360.6 298.8 360.8 0.05 27 150 13210 -54.9 -65.9 24 11.0 -55.2 345 15 375.5 375.5 301.5 375.7 0.04 28 139 13696 -56.3 -68.3 21 12.0 -56.6 347 14 381.3 381.3 302.5 381.4 0.03 29 100 15790 -56.3 -69.3 18 13.0 -56.7 355 9 418.9 419.0 307.6 419.1 0.03 30 70 18060 -57.5 -71.5 15 14.0 -58.0 355 3 461.4 461.4 311.9 461.6 0.04 31 50 20180 -58.1 -73.1 13 15.0 -58.7 245 5 506.6 506.6 315.4 506.8 0.04 32 44 20983 -58.1 -73.1 13 15.0 -58.8 239 7 525.4 525.4 316.6 525.7 0.04 33 30 23410 -54.3 -70.3 12 16.0 -55.8 220 11 596.6 596.6 320.5 597.3 0.10 34 20 26010 -52.9 -68.9 13 16.0 -55.2 220 23 674.3 674.3 323.6 675.8 0.18 35 15 27867 -52.7 -68.7 13 16.0 -55.6 732.7 732.8 325.5 735.0 0.25 TRP 250 9940 -57.1 -65.1 36 8.0 -57.2 260 33 321.2 321.2 289.1 321.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5169.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 79.85 % Est. max temperature: 2.79 C = 37.02 F Sfc-Lift cond lev (LCL): 966.10 mb = 437.43 m = 1435.13 ft T: -9.14 C 700-500 lapse rate: 6.58 C/km ThetaE index: 1.23 C Layer 1000.0- 967.0 mb Conv cond level (CCL): 1000.00 mb = 171.00 m = 561.02 ft Mean mixing ratio: 1.94 g/kg Conv temperature: -8.63 C = 16.46 F Cap Strength: 10.06 C Lifted Index: 13.84 C Risk: None Lifted Index @300 mb: 26.40 C Lifted Index @700 mb: 8.46 C Showalter Index: 8.92 C Risk: None Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.50 C K Index: 9.20 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.99 J/kg Max Up Vert Vel: 10.49 m/s Conv Inhibition (B-): 56840.57 J/kg Cap Strength: 13.77 C Lift Cond Lev (LCL): 921.76 mb = 805.29 m = 2642.01 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 1004 140 5 1 -0.1 -1.0 | 154 15 -6.8 13.8 1 1000 171 340 1 0.3 -0.9 | 155 15 -6.4 13.9 2 925 778 340 13 4.4 -12.2 | 139 3 -2.3 2.6 3 850 1435 345 17 4.4 -16.4 | 56 3 -2.4 -1.6 4 700 2907 325 21 12.0 -17.2 | 294 6 5.3 -2.4 5 500 5340 280 29 28.6 -5.0 | 246 24 21.8 9.8 6 400 6870 260 44 43.3 7.6 | 238 43 36.6 22.5 7 300 8770 260 52 51.2 9.0 | 242 50 44.5 23.9 8 250 9940 260 33 32.5 5.7 | 231 33 25.7 20.6 9 200 11370 310 23 17.6 -14.8 | 270 11 10.9 0.1 10 150 13210 345 15 3.9 -14.5 | 97 3 -2.9 0.3 11 100 15790 355 9 0.8 -9.0 | 135 8 -6.0 5.9 12 70 18060 355 3 0.3 -3.0 | 151 14 -6.5 11.8 13 50 20180 245 5 4.5 2.1 | 173 17 -2.2 17.0 14 30 23410 220 11 7.1 8.4 | 181 23 0.3 23.3 15 20 26010 220 23 14.8 17.6 | 194 33 8.0 32.5 Wind Parameters Mean winds (0-6000m): 305.5 at 21.7 knts Storm direction: 335.5 at 16.3 knts Shear (0-3000m) pos: 0.9 neg: 2.9 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 132.2 deg Storm rel helicity (0-3000m) pos: 1.1 neg: -12.5 tot: -11.5 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.47 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.34 Bulk Shear: 40.99 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 ------------------------------------------------------------------------------- 500 340 5 153 11| 0.0 9.6 9.6| 1.1 -2.7 -1.6 -3.2 -0.08| 9.7 -0.8 1000 341 9 148 7| 2.6 4.8 7.4| 1.1 -5.0 -3.9 -3.9 -0.24| 7.4 -1.8 1500 342 12 139 5| 1.7 4.0 5.7| 1.1 -6.7 -5.6 -3.7 -0.35| 6.0 -2.1 2000 341 13 132 3| 1.3 3.4 4.7| 1.1 -8.1 -7.1 -3.5 -0.43| 5.1 -2.2 2500 338 15 132 2| 1.0 3.1 4.1| 1.1 -9.8 -8.8 -3.5 -0.46| 4.7 -2.1 3000 335 16 162 1| 0.9 2.9 3.8| 1.1 -12.5 -11.5 -3.8 -0.47| 4.4 -2.1 4000 327 18 269 3| 0.6 2.8 3.4| 1.1 -24.1 -23.0 -5.7 -0.47| 4.4 -2.1 5000 317 20 265 7| 0.5 2.7 3.3| 1.1 -48.3 -47.2 -9.4 -0.49| 4.5 -2.2 6000 306 22 259 11| 0.4 3.1 3.6| 1.1 -65.8 -64.8 -10.8 -0.43| 4.7 -2.0 Wrote GIF file: /home/apache/climate/data/raob//U4266/skewt/U4266.skewt.20251018.12.gif