UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 3 DEC 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1005 20 -11.1 -14.3 77 3.2 -11.8 120 13 261.7 261.9 261.0 265.1 1.25 1 1000 58 -10.7 -14.3 75 3.6 -11.5 110 13 262.5 262.7 261.6 265.9 1.26 2 987 159 -8.7 -13.7 67 5.0 -9.9 91 12 265.4 265.7 264.0 269.1 1.34 3 925 658 -12.1 -15.9 73 3.8 -12.9 355 5 266.9 267.1 264.8 270.2 1.19 4 850 1299 -16.1 -18.9 79 2.8 -16.6 335 17 269.3 269.4 266.1 272.1 1.01 5 828 1496 -17.5 -19.7 83 2.2 -17.9 336 17 269.8 270.0 266.4 272.6 0.97 6 822 1550 -17.1 -19.4 82 2.3 -17.6 337 17 270.8 271.0 267.1 273.7 1.00 7 805 1707 -15.9 -19.0 77 3.1 -16.5 338 18 273.7 273.9 269.1 276.8 1.06 8 721 2531 -20.1 -29.1 45 9.0 -21.4 343 19 277.9 277.9 270.7 279.3 0.48 9 700 2749 -21.7 -31.7 40 10.0 -22.9 345 19 278.5 278.5 270.9 279.6 0.38 10 690 2855 -22.9 -33.9 36 11.0 -24.1 345 20 278.3 278.3 270.7 279.3 0.32 11 500 5140 -39.1 -51.1 27 12.0 -39.6 340 31 285.4 285.4 274.3 285.6 0.07 12 448 5886 -44.7 -56.7 25 12.0 -45.0 333 34 287.4 287.4 275.4 287.6 0.04 13 400 6640 -48.1 -60.1 24 12.0 -48.3 325 38 292.5 292.5 277.9 292.6 0.03 14 330 7884 -55.1 -68.1 18 13.0 -55.2 306 40 299.4 299.4 281.1 299.5 0.01 15 328 7923 -55.3 -68.3 18 13.0 -55.4 305 40 299.7 299.7 281.2 299.7 0.01 16 300 8490 -55.5 -67.5 21 12.0 -55.6 315 46 307.1 307.1 284.2 307.2 0.01 17 262 9359 -56.3 -68.3 21 12.0 -56.5 311 47 318.1 318.1 288.1 318.1 0.01 18 250 9660 -54.9 -67.9 19 13.0 -55.1 310 48 324.4 324.4 290.1 324.5 0.02 19 225 10336 -53.5 -66.5 19 13.0 -53.7 310 44 336.5 336.5 293.4 336.6 0.02 20 213 10688 -54.7 -67.7 19 13.0 -54.9 310 42 340.0 340.0 294.3 340.1 0.02 21 200 11090 -55.3 -68.3 18 13.0 -55.5 310 40 345.2 345.2 295.6 345.3 0.02 22 157 12623 -56.9 -70.9 15 14.0 -57.1 306 43 367.2 367.2 300.1 367.3 0.02 23 150 12910 -57.9 -71.9 15 14.0 -58.1 305 44 370.3 370.3 300.7 370.4 0.02 24 114 14623 -61.7 -75.7 14 14.0 -61.9 308 47 393.5 393.5 304.3 393.5 0.01 25 100 15430 -63.5 -78.5 11 15.0 -63.7 310 48 405.0 405.0 305.9 405.1 0.01 26 72 17431 -68.1 -83.1 10 15.0 -68.2 310 42 435.2 435.2 309.4 435.2 0.01 27 70 17600 -68.3 -83.3 10 15.0 -68.4 310 42 438.3 438.3 309.7 438.3 0.01 28 57 18821 -72.3 -87.3 9 15.0 -72.4 455.7 455.7 311.4 455.7 0.00 29 51 19476 -71.9 -86.9 9 15.0 -72.0 471.4 471.4 312.8 471.4 0.00 TRP 328 7923 -55.3 -68.3 18 13.0 -55.4 305 40 299.7 299.7 281.2 299.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5082.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 50.57 % Est. max temperature: -3.65 C = 25.44 F Sfc-Lift cond lev (LCL): 954.55 mb = 416.07 m = 1365.03 ft T: -10.45 C 700-500 lapse rate: 7.28 C/km Conv cond level (CCL): 844.50 mb = 1347.73 m = 4421.62 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -3.35 C = 25.97 F Cap Strength: 9.28 C Lifted Index: 13.26 C Risk: None Lifted Index @300 mb: 26.75 C Lifted Index @700 mb: 9.28 C Showalter Index: 11.04 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 20.20 C K Index: -5.90 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.00 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 34091.41 J/kg Cap Strength: 13.24 C Lift Cond Lev (LCL): 891.52 mb = 937.49 m = 3075.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 11 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 1005 20 120 13 -11.3 6.5 | 160 24 -8.0 22.3 1 1000 58 110 13 -12.2 4.4 | 156 22 -9.0 20.3 2 925 658 355 5 0.4 -5.0 | 199 11 3.7 10.9 3 850 1299 335 17 7.2 -15.4 | 268 10 10.4 0.4 4 700 2749 345 19 4.9 -18.4 | 287 9 8.1 -2.5 5 500 5140 340 31 10.6 -29.1 | 314 19 13.8 -13.3 6 400 6640 325 38 21.8 -31.1 | 301 29 25.0 -15.3 7 328 7923 305 40 32.8 -22.9 | 281 37 36.0 -7.1 8 300 8490 315 46 32.5 -32.5 | 295 39 35.7 -16.7 9 250 9660 310 48 36.8 -30.9 | 291 43 40.0 -15.0 10 200 11090 310 40 30.6 -25.7 | 286 35 33.9 -9.9 11 150 12910 305 44 36.0 -25.2 | 283 40 39.3 -9.4 12 100 15430 310 48 36.8 -30.9 | 291 43 40.0 -15.0 13 70 17600 310 42 32.2 -27.0 | 288 37 35.4 -11.2 Wind Parameters Mean winds (0-6000m): 341.5 at 21.5 knts Storm direction: 11.5 at 16.2 knts Shear (0-3000m) pos: 0.7 neg: 4.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 133.3 deg Storm rel helicity (0-3000m) pos: 59.2 neg: -17.2 tot: 42.0 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 90.11 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 87 10 156 17| 0.0 16.0 16.0| 17.2 -17.2 -0.0 -0.0 0.16| 19.1 3.0 1000 49 9 161 11| 0.0 11.8 11.8| 37.5 -17.2 20.3 20.3 0.40| 14.4 5.8 1500 0 11 214 6| 0.0 9.9 9.9| 50.1 -17.2 32.9 21.9 0.49| 11.7 5.7 2000 350 13 239 6| 0.3 7.4 7.7| 52.9 -17.2 35.7 17.8 0.50| 9.1 4.5 2500 347 14 250 7| 0.5 5.9 6.5| 55.6 -17.2 38.4 15.4 0.51| 7.6 3.9 3000 346 15 258 7| 0.7 4.9 5.6| 59.2 -17.2 42.0 14.0 0.53| 6.6 3.5 4000 345 17 273 8| 0.5 4.3 4.9| 67.4 -17.2 50.2 12.5 0.53| 5.6 3.0 5000 344 19 287 9| 0.4 4.0 4.4| 74.4 -17.2 57.2 11.4 0.51| 5.0 2.5 6000 341 22 295 11| 0.3 3.8 4.2| 75.0 -33.7 41.3 6.9 0.39| 4.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251203.12.gif