UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 5 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 0 0 SFC 993 60 -11.5 -13.8 83 2.3 -12.0 0 0 262.2 262.4 261.6 265.8 1.32 2 985 122 -10.5 -12.6 85 2.1 -11.0 351 1 263.8 264.0 263.0 267.8 1.47 3 925 603 -13.3 -15.8 81 2.5 -13.8 285 5 265.7 265.9 264.0 269.0 1.20 4 850 1243 -16.7 -19.4 80 2.7 -17.2 265 5 268.7 268.8 265.6 271.4 0.97 5 702 2658 -24.5 -27.2 78 2.7 -24.9 231 11 275.1 275.2 269.2 276.9 0.59 6 700 2679 -24.7 -27.4 78 2.7 -25.1 230 11 275.1 275.2 269.2 276.9 0.58 7 500 5030 -44.3 -47.1 74 2.8 -44.4 235 25 279.0 279.0 270.8 279.4 0.11 8 478 5329 -46.7 -49.4 74 2.7 -46.8 236 26 279.7 279.7 271.1 280.0 0.09 9 400 6490 -53.5 -56.5 70 3.0 -53.5 240 31 285.5 285.5 274.3 285.6 0.05 10 379 6836 -55.5 -58.6 68 3.1 -55.5 244 28 287.3 287.3 275.3 287.4 0.04 11 331 7698 -57.3 -60.2 69 2.9 -57.3 255 21 296.1 296.1 279.7 296.3 0.03 12 311 8092 -57.9 -61.1 67 3.2 -57.9 271 20 300.6 300.6 281.7 300.7 0.03 13 300 8320 -56.9 -60.0 68 3.1 -56.9 280 19 305.1 305.1 283.5 305.3 0.04 14 264 9133 -55.9 -59.5 64 3.6 -56.0 284 22 318.0 318.0 288.1 318.2 0.05 15 250 9480 -56.1 -59.8 63 3.7 -56.2 285 23 322.7 322.7 289.6 322.9 0.05 16 200 10900 -56.1 -61.0 54 4.9 -56.2 290 25 343.9 343.9 295.3 344.1 0.05 17 150 12720 -58.5 -64.5 46 6.0 -58.6 295 31 369.3 369.3 300.5 369.5 0.04 18 136 13334 -57.5 -64.5 41 7.0 -57.7 296 31 381.6 381.6 302.5 381.8 0.05 19 100 15250 -61.7 -69.7 34 8.0 -61.9 300 33 408.5 408.5 306.3 408.7 0.03 20 70 17440 -65.7 -74.7 27 9.0 -65.8 295 33 443.8 443.8 310.3 443.9 0.02 21 50 19460 -69.7 -79.7 22 10.0 -69.8 295 35 479.2 479.2 313.4 479.3 0.01 22 42 20496 -70.5 -80.5 22 10.0 -70.6 501.8 501.8 315.1 501.8 0.01 23 34 21735 -75.1 -85.1 20 10.0 -75.2 520.9 520.9 316.4 521.0 0.01 24 30 22460 -75.1 -85.1 20 10.0 -75.2 539.9 539.9 317.5 540.0 0.01 25 29 22657 -74.9 -84.9 20 10.0 -75.0 545.7 545.7 317.9 545.8 0.01 TRP 331 7698 -57.3 -60.2 69 2.9 -57.3 255 21 296.1 296.1 279.7 296.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5024.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 78.04 % Est. max temperature: -4.76 C = 23.44 F Sfc-Lift cond lev (LCL): 956.83 mb = 344.04 m = 1128.74 ft T: -11.79 C 700-500 lapse rate: 8.34 C/km ThetaE index: 0.02 C Layer 700.0- 500.0 mb Conv cond level (CCL): 868.46 mb = 1080.41 m = 3544.61 ft Mean mixing ratio: 1.28 g/kg Conv temperature: -5.78 C = 21.59 F Cap Strength: 6.89 C Lifted Index: 8.65 C Risk: None Lifted Index @300 mb: 25.87 C Lifted Index @700 mb: 6.89 C Showalter Index: 6.48 C Risk: None Total Totals Index: 52.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 24.90 C K Index: 5.50 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.04 J/kg Max Up Vert Vel: 4.91 m/s Conv Inhibition (B-): 40353.96 J/kg Cap Strength: 8.62 C Lift Cond Lev (LCL): 906.85 mb = 753.02 m = 2470.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 11 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 60 0 0 -0.0 -0.0 | 88 11 -11.0 -0.5 1 925 603 285 5 4.8 -1.3 | 74 6 -6.2 -1.8 2 850 1243 265 5 5.0 0.4 | 90 6 -6.0 -0.0 3 700 2679 230 11 8.4 7.1 | 158 7 -2.6 6.6 4 500 5030 235 25 20.5 14.3 | 214 17 9.5 13.9 5 400 6490 240 31 26.8 15.5 | 226 22 15.8 15.0 6 331 7698 255 21 20.3 5.4 | 242 11 9.3 5.0 7 300 8320 280 19 18.7 -3.3 | 296 9 7.7 -3.8 8 250 9480 285 23 22.2 -6.0 | 300 13 11.2 -6.4 9 200 10900 290 25 23.5 -8.6 | 306 15 12.5 -9.0 10 150 12720 295 31 28.1 -13.1 | 309 22 17.1 -13.6 11 100 15250 300 33 28.6 -16.5 | 314 24 17.6 -17.0 12 70 17440 295 33 29.9 -13.9 | 307 24 18.9 -14.4 13 50 19460 295 35 31.7 -14.8 | 306 26 20.7 -15.3 Wind Parameters Mean winds (0-6000m): 237.5 at 14.7 knts Storm direction: 267.5 at 11.0 knts Shear (0-3000m) pos: 0.0 neg: 2.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 87.1 deg Storm rel helicity (0-3000m) pos: 15.4 neg: -7.6 tot: 7.8 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 23.25 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 ------------------------------------------------------------------------------- 500 284 2 83 9| 0.0 4.7 4.7| 0.1 -7.6 -7.5 -15.0 -0.49| 5.7 -2.8 1000 281 4 81 8| 0.0 2.6 2.6| 2.4 -7.6 -5.2 -5.2 -0.19| 3.8 -0.7 1500 273 4 84 7| 0.0 2.2 2.2| 4.6 -7.6 -2.9 -2.0 0.02| 3.2 0.1 2000 264 5 90 6| 0.0 2.2 2.2| 7.7 -7.6 0.1 0.0 0.22| 3.1 0.7 2500 254 6 102 5| 0.0 2.2 2.2| 10.7 -7.6 3.1 1.2 0.32| 3.1 1.0 3000 247 7 116 5| 0.0 2.3 2.3| 15.4 -7.6 7.8 2.6 0.41| 3.1 1.2 4000 240 9 144 5| 0.8 1.7 2.5| 26.7 -7.6 19.1 4.8 0.49| 3.1 1.5 5000 238 12 172 6| 1.2 1.4 2.6| 39.1 -7.6 31.6 6.3 0.50| 3.1 1.5 6000 238 15 191 8| 1.4 1.1 2.5| 52.9 -7.6 45.3 7.6 0.52| 2.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251205.12.gif