UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U3802... Searching the city database file for: U3802 ... Date:0000Z 7 DEC 25 Station: U3802 WMO ident: 23802 Latitude: 61.68 Longitude: 50.78 ------------------------------------------------------------------------------- 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 1015 118 -15.3 -18.8 75 3.5 -15.9 45 3 256.8 256.9 256.3 259.1 0.85 1 1000 230 -16.1 -20.4 69 4.3 -16.8 55 9 257.0 257.2 256.4 259.1 0.75 2 977 406 -17.7 -21.7 71 4.0 -18.3 62 14 257.2 257.3 256.3 259.0 0.69 3 960 539 -13.5 -17.4 72 3.9 -14.3 68 18 262.7 262.9 261.3 265.5 1.01 4 925 823 -12.7 -17.7 66 5.0 -13.7 80 27 266.3 266.5 264.0 269.2 1.03 5 889 1125 -11.9 -17.9 61 6.0 -13.2 66 21 270.2 270.4 266.8 273.2 1.05 6 850 1466 -12.9 -28.9 25 16.0 -15.3 50 15 272.6 272.7 267.3 273.9 0.41 7 842 1538 -13.3 -31.3 20 18.0 -15.9 45 15 273.0 273.0 267.3 274.0 0.33 8 812 1813 -14.9 -27.9 32 13.0 -16.9 26 15 274.1 274.2 268.4 275.5 0.47 9 740 2510 -18.9 -23.7 66 4.8 -19.7 339 16 277.1 277.2 270.8 279.4 0.76 10 700 2922 -21.7 -26.0 68 4.3 -22.4 310 17 278.5 278.6 271.4 280.4 0.66 11 605 3981 -27.3 -31.3 69 4.0 -27.8 297 22 283.8 283.9 274.2 285.3 0.46 12 500 5320 -37.9 -40.7 75 2.8 -38.1 280 29 286.8 286.9 275.4 287.5 0.22 13 476 5658 -40.7 -43.8 72 3.1 -40.9 284 31 287.4 287.5 275.6 288.0 0.17 14 400 6830 -46.7 -52.7 50 6.0 -46.9 300 38 294.3 294.3 278.9 294.6 0.07 15 314 8408 -53.5 -62.5 33 9.0 -53.7 309 61 305.9 305.9 283.8 306.0 0.03 16 305 8594 -54.3 -63.3 32 9.0 -54.4 310 64 307.4 307.4 284.4 307.5 0.03 17 300 8700 -54.7 -63.7 32 9.0 -54.8 310 62 308.2 308.2 284.7 308.3 0.02 18 268 9420 -57.9 -66.9 31 9.0 -58.0 300 52 313.7 313.7 286.6 313.8 0.02 19 250 9860 -57.9 -67.9 27 10.0 -58.0 305 50 320.0 320.0 288.8 320.1 0.02 20 200 11260 -59.1 -69.1 26 10.0 -59.2 305 48 339.2 339.2 294.1 339.2 0.02 21 150 13060 -59.5 -70.5 23 11.0 -59.7 300 42 367.6 367.6 300.1 367.7 0.02 22 100 15580 -63.3 -75.3 18 12.0 -63.4 295 35 405.4 405.4 305.9 405.5 0.01 23 70 17740 -68.5 -80.5 16 12.0 -68.6 280 38 437.8 437.8 309.7 437.9 0.01 24 64 18275 -70.3 -82.3 16 12.0 -70.4 276 39 445.3 445.3 310.4 445.3 0.01 25 55 19176 -70.1 -83.1 13 13.0 -70.2 269 39 465.4 465.4 312.3 465.5 0.01 26 50 19740 -72.5 -84.5 15 12.0 -72.6 265 40 472.6 472.6 312.8 472.7 0.01 27 36 21641 -79.1 -91.1 12 12.0 -79.1 271 43 502.1 502.1 315.1 502.1 0.00 28 31 22500 -75.3 -87.3 14 12.0 -75.4 274 44 534.3 534.3 317.2 534.4 0.01 29 30 22690 -76.1 -88.1 13 12.0 -76.2 275 44 537.2 537.2 317.3 537.2 0.01 30 23 24203 -80.9 -92.9 12 12.0 -81.0 265 49 565.5 565.5 318.9 565.5 0.00 31 20 24990 -80.3 -92.3 12 12.0 -80.4 260 52 590.4 590.4 320.2 590.4 0.00 32 17 25905 -81.7 -93.7 11 12.0 -81.8 614.0 614.0 321.2 614.0 0.00 TRP 268 9420 -57.9 -66.9 31 9.0 -58.0 300 52 313.7 313.7 286.6 313.8 0.02 WND 305 8594 -54.3 -63.3 32 9.0 -54.4 310 64 307.4 307.4 284.4 307.5 0.03 Sounding variables and indices 1000-500 mb thick: 5090.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 62.27 % Est. max temperature: -0.31 C = 31.44 F Sfc-Lift cond lev (LCL): 958.70 mb = 549.10 m = 1801.47 ft T: -13.47 C 700-500 lapse rate: 6.76 C/km ThetaE index: 0.06 C Layer 977.0- 960.0 mb Conv cond level (CCL): 678.85 mb = 3144.74 m = 10317.26 ft Mean mixing ratio: 0.89 g/kg Conv temperature: 7.64 C = 45.75 F Cap Strength: 17.77 C Lifted Index: 19.09 C Risk: None Lifted Index @300 mb: 31.59 C Lifted Index @700 mb: 14.02 C Showalter Index: 10.89 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 9.00 C K Index: -8.20 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 2.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.67 J/kg Max Up Vert Vel: 10.26 m/s Conv Inhibition (B-): 53501.71 J/kg Cap Strength: 19.08 C Lift Cond Lev (LCL): 900.39 mb = 1028.10 m = 3372.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 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 1015 118 45 3 -2.1 -2.1 | 151 15 -7.2 13.2 1 1000 230 55 9 -7.4 -5.2 | 129 16 -12.4 10.1 2 925 823 80 27 -26.6 -4.7 | 109 33 -31.7 10.6 3 850 1466 50 15 -11.5 -9.6 | 109 18 -16.6 5.7 4 700 2922 310 17 13.0 -10.9 | 241 9 7.9 4.4 5 500 5320 280 29 28.6 -5.0 | 246 26 23.5 10.3 6 400 6830 300 38 32.9 -19.0 | 278 28 27.8 -3.7 7 305 8594 310 64 49.0 -41.1 | 300 51 44.0 -25.8 8 300 8700 310 62 47.5 -39.9 | 300 49 42.4 -24.6 9 268 9420 300 52 45.0 -26.0 | 285 41 40.0 -10.7 10 250 9860 305 50 41.0 -28.7 | 290 38 35.9 -13.4 11 200 11260 305 48 39.3 -27.5 | 290 36 34.2 -12.2 12 150 13060 300 42 36.4 -21.0 | 280 32 31.3 -5.7 13 100 15580 295 35 31.7 -14.8 | 269 27 26.6 0.5 14 70 17740 280 38 37.4 -6.6 | 255 33 32.3 8.7 15 50 19740 265 40 39.8 3.5 | 242 40 34.8 18.8 16 30 22690 275 44 43.8 -3.8 | 254 40 38.8 11.5 17 20 24990 260 52 51.2 9.0 | 242 52 46.1 24.3 Wind Parameters Mean winds (0-6000m): 311.7 at 21.5 knts Storm direction: 341.7 at 16.1 knts Shear (0-3000m) pos: 3.1 neg: 5.9 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 6.7 neg: -95.0 tot: -88.3 m^2/s^2 ave: -29.4 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 12.3 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 111.88 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 65 13 121 19| 18.7 0.0 18.7| 0.0 -58.4 -58.4 -116.8 -0.68| 19.2-13.0 1000 73 18 114 25| 9.3 1.0 10.4| 0.4 -76.1 -75.7 -75.7 -0.44| 17.2 -7.6 1500 69 18 112 24| 6.2 3.8 10.1| 5.3 -81.0 -75.7 -50.5 -0.34| 15.2 -5.2 2000 59 17 108 21| 4.7 5.2 9.9| 5.3 -91.4 -86.1 -43.1 -0.35| 13.8 -4.8 2500 49 17 102 18| 3.7 5.9 9.7| 5.3 -92.8 -87.5 -35.0 -0.36| 13.2 -4.7 3000 38 17 96 16| 3.1 5.9 9.0| 6.7 -95.0 -88.3 -29.4 -0.33| 12.3 -4.1 4000 3 18 66 7| 2.3 5.2 7.6| 10.6 -95.0 -84.5 -21.1 -0.29| 10.1 -2.9 5000 330 20 289 5| 1.9 4.8 6.7| 10.6-101.5 -90.9 -18.2 -0.28| 8.8 -2.4 6000 312 21 265 11| 1.4 4.0 5.5| 61.8-104.5 -42.7 -7.1 -0.18| 8.1 -1.4 Wrote GIF file: /home/apache/climate/data/raob//U3802/skewt/U3802.skewt.20251207.00.gif