UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 4 DEC 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 6 315 5 SFC 993 61 -6.3 -8.3 86 2.0 -6.9 315 5 267.4 267.7 266.7 272.9 2.05 2 935 527 -10.7 -13.3 81 2.6 -11.3 319 19 267.5 267.8 265.7 271.6 1.46 3 925 610 -10.7 -13.1 82 2.4 -11.3 320 21 268.4 268.6 266.4 272.5 1.50 4 874 1045 -12.1 -14.4 83 2.3 -12.6 313 16 271.3 271.5 268.2 275.3 1.43 5 850 1257 -13.3 -15.8 81 2.5 -13.9 310 13 272.2 272.4 268.6 275.9 1.31 6 718 2520 -21.9 -24.2 82 2.3 -22.2 301 18 276.2 276.3 270.2 278.4 0.75 7 703 2675 -22.9 -25.3 81 2.4 -23.2 300 19 276.8 276.9 270.4 278.9 0.70 8 700 2706 -23.3 -25.8 80 2.5 -23.7 300 19 276.7 276.8 270.3 278.7 0.67 9 649 3253 -28.3 -31.9 71 3.6 -28.7 300 21 277.1 277.1 270.1 278.3 0.41 10 594 3884 -31.1 -35.5 65 4.4 -31.5 300 24 280.9 281.0 272.3 281.9 0.31 11 580 4053 -30.5 -35.4 62 4.9 -30.9 300 25 283.6 283.6 273.8 284.6 0.32 12 500 5090 -37.9 -45.9 43 8.0 -38.3 300 29 286.8 286.9 275.2 287.3 0.13 13 412 6404 -46.9 -55.9 35 9.0 -47.1 291 26 291.6 291.6 277.5 291.7 0.05 14 400 6600 -48.3 -58.3 31 10.0 -48.5 290 25 292.2 292.2 277.8 292.3 0.04 15 318 8073 -57.5 -67.5 27 10.0 -57.6 280 31 299.3 299.3 281.0 299.3 0.01 16 300 8440 -56.7 -66.7 27 10.0 -56.8 280 33 305.4 305.4 283.6 305.5 0.02 17 285 8765 -55.9 -65.9 28 10.0 -56.1 279 33 311.1 311.1 285.7 311.2 0.02 18 253 9515 -58.9 -68.9 26 10.0 -59.0 275 33 317.4 317.4 287.9 317.5 0.01 19 250 9590 -58.1 -68.1 27 10.0 -58.2 275 33 319.7 319.7 288.6 319.8 0.02 20 200 11000 -56.5 -66.5 27 10.0 -56.7 280 35 343.3 343.3 295.1 343.4 0.02 21 176 11811 -56.3 -67.3 24 11.0 -56.5 282 37 356.4 356.4 298.0 356.5 0.03 22 150 12820 -58.3 -69.3 23 11.0 -58.5 285 40 369.6 369.6 300.5 369.7 0.02 23 100 15340 -63.7 -74.7 21 11.0 -63.8 285 44 404.7 404.7 305.8 404.7 0.02 24 84 16402 -66.9 -78.9 17 12.0 -67.0 285 47 418.8 418.8 307.6 418.9 0.01 25 70 17500 -68.7 -79.7 19 11.0 -68.8 285 50 437.4 437.4 309.6 437.5 0.01 26 50 19500 -71.1 -83.1 15 12.0 -71.2 285 46 475.9 475.9 313.1 476.0 0.01 27 32 22108 -76.1 -88.1 13 12.0 -76.2 281 43 527.4 527.4 316.8 527.4 0.01 28 30 22480 -76.5 -88.5 13 12.0 -76.6 280 42 536.1 536.1 317.3 536.1 0.01 29 20 24820 -76.7 -88.7 13 12.0 -76.9 270 38 601.4 601.4 320.7 601.4 0.01 30 18 25428 -75.7 -87.7 14 12.0 -75.9 622.9 622.9 321.6 623.0 0.01 TRP 318 8073 -57.5 -67.5 27 10.0 -57.6 280 31 299.3 299.3 281.0 299.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5084.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 72.51 % Est. max temperature: -1.28 C = 29.69 F Sfc-Lift cond lev (LCL): 961.85 mb = 307.94 m = 1010.28 ft T: -8.63 C 700-500 lapse rate: 6.12 C/km ThetaE index: 1.37 C Layer 935.0- 925.0 mb Conv cond level (CCL): 855.62 mb = 1206.70 m = 3958.94 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -1.70 C = 28.93 F Cap Strength: 9.91 C Lifted Index: 11.88 C Risk: None Lifted Index @300 mb: 23.26 C Lifted Index @700 mb: 5.10 C Showalter Index: 9.25 C Risk: None Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.10 C K Index: 6.30 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.62 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 51395.62 J/kg Cap Strength: 11.67 C Lift Cond Lev (LCL): 908.49 mb = 748.05 m = 2454.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 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 ---------------------------------------------------------- 0 993 61 315 5 3.5 -3.5 | 160 11 -3.8 10.5 1 925 610 320 21 13.5 -16.1 | 289 7 6.2 -2.1 2 850 1257 310 13 10.0 -8.4 | 205 6 2.6 5.6 3 700 2706 300 19 16.5 -9.5 | 244 10 9.1 4.5 4 500 5090 300 29 25.1 -14.5 | 272 18 17.8 -0.5 5 400 6600 290 25 23.5 -8.6 | 251 17 16.2 5.5 6 318 8073 280 31 30.5 -5.4 | 250 25 23.2 8.6 7 300 8440 280 33 32.5 -5.7 | 252 26 25.2 8.3 8 250 9590 275 33 32.9 -2.9 | 246 28 25.5 11.1 9 200 11000 280 35 34.5 -6.1 | 254 28 27.1 7.9 10 150 12820 285 40 38.6 -10.4 | 263 32 31.3 3.6 11 100 15340 285 44 42.5 -11.4 | 266 35 35.2 2.6 12 70 17500 285 50 48.3 -12.9 | 269 41 41.0 1.1 13 50 19500 285 46 44.4 -11.9 | 267 37 37.1 2.1 14 30 22480 280 42 41.4 -7.3 | 259 35 34.0 6.7 15 20 24820 270 38 38.0 -0.0 | 245 34 30.7 14.0 Wind Parameters Mean winds (0-6000m): 302.4 at 21.1 knts Storm direction: 332.4 at 15.8 knts Shear (0-3000m) pos: 2.5 neg: 1.2 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 90.1 deg Storm rel helicity (0-3000m) pos: 29.2 neg: -10.7 tot: 18.5 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.89 Bulk Shear: 13.10 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 ------------------------------------------------------------------------------- 500 319 12 189 5| 15.0 0.0 15.0| 15.4 0.0 15.4 30.8 0.74| 15.2 11.2 1000 318 15 229 4| 7.5 2.4 9.9| 16.0 -7.2 8.8 8.8 0.29| 10.8 3.2 1500 316 15 222 5| 5.0 2.2 7.2| 18.2 -10.7 7.5 5.0 0.21| 8.5 1.8 2000 313 15 224 5| 3.8 1.5 5.2| 21.7 -10.7 11.0 5.5 0.26| 7.0 1.8 2500 311 15 228 6| 3.0 1.3 4.3| 25.0 -10.7 14.3 5.7 0.29| 6.0 1.7 3000 308 16 233 7| 2.5 1.2 3.7| 29.2 -10.7 18.5 6.2 0.32| 5.4 1.7 4000 306 18 243 8| 1.9 1.2 3.0| 38.6 -10.7 27.9 7.0 0.36| 4.6 1.6 5000 304 20 251 9| 1.5 1.3 2.8| 48.0 -10.7 37.3 7.5 0.38| 4.1 1.5 6000 302 21 255 11| 1.3 1.1 2.3| 48.0 -28.9 19.1 3.2 0.25| 3.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251204.12.gif