UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 4 DEC 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1002 45 -5.1 -8.2 79 3.1 -6.0 295 5 267.9 268.2 267.0 273.5 2.05 1 1000 61 -5.3 -8.3 79 3.0 -6.2 295 5 267.9 268.2 267.0 273.4 2.04 2 925 666 -10.5 -12.3 87 1.8 -10.9 310 11 268.6 268.8 266.7 273.0 1.60 3 909 800 -11.9 -13.6 87 1.7 -12.3 312 12 268.5 268.7 266.4 272.5 1.47 4 886 997 -10.7 -13.5 80 2.8 -11.4 315 14 271.7 271.9 268.6 276.0 1.52 5 850 1316 -12.1 -16.4 70 4.3 -13.1 320 17 273.5 273.7 269.3 277.0 1.25 6 700 2774 -21.1 -30.1 44 9.0 -22.3 310 27 279.1 279.2 271.4 280.5 0.45 7 661 3196 -23.5 -35.5 32 12.0 -24.8 311 27 281.0 281.1 272.3 281.9 0.28 8 626 3592 -26.5 -39.5 28 13.0 -27.6 312 28 282.0 282.0 272.7 282.6 0.20 9 503 5139 -37.9 -46.9 38 9.0 -38.3 315 29 286.3 286.4 274.9 286.7 0.11 10 500 5180 -38.1 -47.1 38 9.0 -38.5 315 29 286.6 286.6 275.0 287.0 0.11 11 427 6253 -42.1 -52.1 33 10.0 -42.5 311 32 294.7 294.7 279.1 295.0 0.07 12 400 6690 -45.1 -56.1 28 11.0 -45.4 310 33 296.4 296.4 279.8 296.5 0.05 13 342 7723 -50.9 -62.9 23 12.0 -51.1 307 36 302.1 302.1 282.3 302.2 0.02 14 312 8317 -52.9 -64.9 22 12.0 -53.1 305 38 307.3 307.3 284.3 307.4 0.02 15 300 8570 -53.1 -66.1 19 13.0 -53.3 305 38 310.5 310.5 285.5 310.6 0.02 16 250 9740 -54.7 -67.7 19 13.0 -54.9 300 40 324.7 324.7 290.2 324.8 0.02 17 231 10244 -55.9 -68.9 18 13.0 -56.1 296 39 330.3 330.3 291.8 330.4 0.02 18 200 11160 -55.7 -69.7 16 14.0 -55.9 290 38 344.6 344.6 295.4 344.6 0.02 19 175 12011 -55.5 -69.5 16 14.0 -55.8 292 38 358.3 358.3 298.4 358.4 0.02 20 150 12990 -57.3 -71.3 15 14.0 -57.5 295 38 371.4 371.4 300.8 371.4 0.02 21 100 15530 -61.5 -76.5 12 15.0 -61.7 290 36 408.9 408.9 306.4 409.0 0.01 22 95 15846 -61.9 -76.9 12 15.0 -62.1 291 37 414.2 414.2 307.0 414.2 0.01 23 70 17710 -66.3 -81.3 10 15.0 -66.5 295 46 442.5 442.5 310.1 442.6 0.01 24 50 19730 -70.7 -85.7 9 15.0 -70.8 290 54 476.9 476.9 313.2 476.9 0.01 25 31 22512 -78.3 -93.3 7 15.0 -78.4 526.2 526.2 316.7 526.2 0.00 TRP 312 8317 -52.9 -64.9 22 12.0 -53.1 305 38 307.3 307.3 284.3 307.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5119.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 51.62 % Est. max temperature: 0.38 C = 32.68 F Sfc-Lift cond lev (LCL): 953.96 mb = 426.80 m = 1400.26 ft T: -8.44 C 700-500 lapse rate: 7.07 C/km ThetaE index: 0.92 C Layer 1000.0- 886.0 mb Conv cond level (CCL): 915.25 mb = 747.50 m = 2452.41 ft Mean mixing ratio: 1.75 g/kg Conv temperature: -4.48 C = 23.94 F Cap Strength: 11.12 C Lifted Index: 11.27 C Risk: None Lifted Index @300 mb: 26.51 C Lifted Index @700 mb: 6.89 C Showalter Index: 8.17 C Risk: None Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 21.70 C K Index: 0.60 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.56 J/kg Max Up Vert Vel: 2.26 m/s Conv Inhibition (B-): 39486.97 J/kg Cap Strength: 11.00 C Lift Cond Lev (LCL): 918.01 mb = 724.36 m = 2376.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 18 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 1002 45 295 5 4.5 -2.1 | 178 15 -0.6 14.7 1 1000 61 295 5 4.5 -2.1 | 178 15 -0.6 14.7 2 925 666 310 11 8.4 -7.1 | 199 10 3.3 9.8 3 850 1316 320 17 10.9 -13.0 | 237 7 5.8 3.8 4 700 2774 310 27 20.7 -17.4 | 272 16 15.5 -0.5 5 500 5180 315 29 20.5 -20.5 | 283 16 15.4 -3.7 6 400 6690 310 33 25.3 -21.2 | 282 21 20.1 -4.4 7 312 8317 305 38 31.1 -21.8 | 281 26 26.0 -5.0 8 300 8570 305 38 31.1 -21.8 | 281 26 26.0 -5.0 9 250 9740 300 40 34.6 -20.0 | 276 30 29.5 -3.2 10 200 11160 290 38 35.7 -13.0 | 263 31 30.6 3.8 11 150 12990 295 38 34.4 -16.1 | 268 29 29.3 0.8 12 100 15530 290 36 33.8 -12.3 | 261 29 28.7 4.5 13 70 17710 295 46 41.7 -19.4 | 274 37 36.5 -2.6 14 50 19730 290 54 50.7 -18.5 | 272 46 45.6 -1.6 Wind Parameters Mean winds (0-6000m): 313.0 at 23.5 knts Storm direction: 343.0 at 17.6 knts Shear (0-3000m) pos: 2.4 neg: 1.6 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 95.6 deg Storm rel helicity (0-3000m) pos: 43.8 neg: 0.0 tot: 43.8 m^2/s^2 ave: 14.6 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 35.24 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 ------------------------------------------------------------------------------- 500 303 7 185 13| 5.2 0.0 5.2| 12.7 0.0 12.7 25.3 0.73| 5.2 3.8 1000 309 10 193 11| 5.1 0.0 5.1| 22.6 0.0 22.6 22.6 0.75| 5.2 3.9 1500 314 12 203 9| 4.8 0.0 4.8| 30.2 0.0 30.2 20.2 0.80| 5.0 3.9 2000 315 14 215 8| 3.6 0.9 4.6| 35.8 0.0 35.8 17.9 0.77| 4.7 3.6 2500 314 16 229 9| 2.9 1.5 4.4| 40.6 0.0 40.6 16.2 0.70| 4.5 3.2 3000 313 18 239 9| 2.4 1.6 4.0| 43.8 0.0 43.8 14.6 0.68| 4.1 2.8 4000 313 20 252 10| 2.0 1.2 3.1| 49.1 0.0 49.1 12.3 0.69| 3.2 2.2 5000 313 22 261 11| 1.7 0.9 2.6| 54.6 0.0 54.6 10.9 0.71| 2.7 1.9 6000 313 23 266 12| 1.4 1.0 2.4| 55.4 -0.7 54.7 9.1 0.64| 2.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251204.00.gif