UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 13 DEC 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1011 5 -7.1 -8.8 88 1.7 -7.6 20 13 265.2 265.5 264.9 270.4 1.94 1 1000 90 -7.1 -11.3 72 4.2 -8.2 30 29 266.0 266.3 264.9 270.4 1.61 2 970 326 -8.7 -13.7 67 5.0 -9.9 32 32 266.8 267.0 265.0 270.5 1.37 3 926 684 -11.5 -16.5 66 5.0 -12.6 35 36 267.5 267.7 265.1 270.6 1.13 4 925 692 -11.7 -16.7 66 5.0 -12.8 35 36 267.3 267.5 265.0 270.5 1.12 5 850 1333 -17.1 -22.1 65 5.0 -17.9 30 40 268.2 268.4 264.9 270.4 0.76 6 800 1783 -21.5 -25.0 73 3.5 -22.0 30 39 268.2 268.3 264.7 270.0 0.63 7 776 2008 -21.7 -24.8 76 3.1 -22.1 30 38 270.4 270.5 266.2 272.3 0.66 8 758 2180 -22.3 -27.3 64 5.0 -22.9 30 38 271.5 271.6 266.8 273.1 0.54 9 700 2760 -26.5 -37.5 35 11.0 -27.4 30 36 273.1 273.2 267.3 273.8 0.22 10 694 2822 -26.9 -37.9 35 11.0 -27.8 30 36 273.4 273.4 267.4 274.0 0.21 11 500 5120 -39.7 -51.7 27 12.0 -40.1 25 19 284.6 284.6 273.9 284.9 0.06 12 427 6187 -45.7 -57.7 25 12.0 -46.0 18 15 290.1 290.1 276.8 290.3 0.04 13 400 6620 -49.3 -60.3 27 11.0 -49.5 15 13 290.9 290.9 277.2 291.0 0.03 14 397 6669 -49.7 -61.7 23 12.0 -49.9 15 13 291.0 291.0 277.2 291.1 0.02 15 321 8047 -54.7 -66.7 21 12.0 -54.8 25 19 302.3 302.3 282.3 302.4 0.02 16 300 8480 -54.7 -66.7 21 12.0 -54.9 25 19 308.2 308.2 284.7 308.3 0.02 17 250 9650 -53.3 -65.3 22 12.0 -53.5 10 27 326.8 326.8 290.8 326.9 0.02 18 204 10953 -53.1 -67.1 17 14.0 -53.4 1 25 346.7 346.7 295.9 346.8 0.02 19 200 11080 -53.7 -67.7 16 14.0 -53.9 360 25 347.7 347.7 296.1 347.8 0.02 20 150 12920 -57.9 -72.9 13 15.0 -58.1 5 31 370.3 370.3 300.7 370.4 0.01 21 100 15450 -61.7 -77.7 10 16.0 -61.9 355 35 408.5 408.5 306.3 408.6 0.01 22 84 16528 -62.1 -78.1 10 16.0 -62.3 348 38 428.6 428.6 308.7 428.6 0.01 23 71 17554 -67.1 -82.1 10 15.0 -67.2 341 42 439.0 439.1 309.8 439.1 0.01 24 70 17640 -66.9 -81.9 10 15.0 -67.1 340 42 441.3 441.3 310.0 441.3 0.01 25 53 19311 -69.3 -84.3 10 15.0 -69.5 472.2 472.2 312.8 472.3 0.01 TRP 321 8047 -54.7 -66.7 21 12.0 -54.8 25 19 302.3 302.3 282.3 302.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5030.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 48.42 % Est. max temperature: -4.21 C = 24.43 F Sfc-Lift cond lev (LCL): 983.89 mb = 216.09 m = 708.94 ft T: -7.95 C 700-500 lapse rate: 5.59 C/km ThetaE index: 0.59 C Layer 925.0- 776.0 mb Conv cond level (CCL): 877.10 mb = 1095.09 m = 3592.77 ft Mean mixing ratio: 1.35 g/kg Conv temperature: -4.39 C = 24.09 F Cap Strength: 3.72 C Lifted Index: 11.78 C Risk: None Lifted Index @300 mb: 26.73 C Lifted Index @700 mb: 3.57 C Showalter Index: 11.84 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 17.60 C K Index: -10.50 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 2.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.12 J/kg Max Up Vert Vel: 3.77 m/s Conv Inhibition (B-): 29988.71 J/kg Cap Strength: 11.65 C Lift Cond Lev (LCL): 892.37 mb = 964.28 m = 3163.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 59 at 22 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 1011 5 20 13 -4.4 -12.2 | 273 15 14.8 -0.8 1 1000 90 30 29 -14.5 -25.1 | 341 14 4.7 -13.7 2 925 692 35 36 -20.6 -29.5 | 4 18 -1.4 -18.0 3 850 1333 30 40 -20.0 -34.6 | 2 23 -0.8 -23.2 4 700 2760 30 36 -18.0 -31.2 | 356 20 1.2 -19.7 5 500 5120 25 19 -8.0 -17.2 | 297 13 11.2 -5.8 6 400 6620 15 13 -3.4 -12.6 | 274 16 15.9 -1.1 7 321 8047 25 19 -8.0 -17.2 | 297 13 11.2 -5.8 8 300 8480 25 19 -8.0 -17.2 | 297 13 11.2 -5.8 9 250 9650 10 27 -4.7 -26.6 | 316 21 14.6 -15.1 10 200 11080 360 25 -0.0 -25.0 | 305 24 19.2 -13.6 11 150 12920 5 31 -2.7 -30.9 | 320 26 16.5 -19.4 12 100 15450 355 35 3.1 -34.9 | 316 32 22.3 -23.4 13 70 17640 340 42 14.4 -39.5 | 310 44 33.6 -28.0 Wind Parameters Mean winds (0-6000m): 29.3 at 29.9 knts Storm direction: 59.3 at 22.4 knts Shear (0-3000m) pos: 3.7 neg: 0.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 79.6 deg Storm rel helicity (0-3000m) pos: 80.5 neg: -23.1 tot: 57.3 m^2/s^2 ave: 19.1 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 47.36 Bulk Shear: 0.15 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 31 30 344 14| 22.0 0.0 22.0| 71.4 0.0 71.4 142.8 0.98| 23.2 22.6 1000 33 33 355 16| 11.0 2.1 13.1| 80.5 -1.9 78.5 78.5 0.86| 14.1 12.1 1500 32 35 358 18| 7.3 2.1 9.4| 80.5 -6.5 74.0 49.3 0.75| 10.4 7.8 2000 31 36 359 19| 5.5 1.2 6.7| 80.5 -10.6 69.9 35.0 0.70| 8.1 5.7 2500 31 36 359 20| 4.4 0.7 5.1| 80.5 -14.6 65.9 26.3 0.65| 6.8 4.4 3000 31 36 358 20| 3.7 0.4 4.1| 80.5 -23.1 57.3 19.1 0.55| 6.1 3.4 4000 30 35 355 19| 2.8 1.0 3.7| 80.5 -48.5 32.0 8.0 0.32| 5.5 1.8 5000 30 32 350 17| 2.2 1.5 3.7| 80.5 -72.8 7.7 1.5 0.14| 5.2 0.7 6000 29 30 342 15| 1.8 1.6 3.5| 80.5 -88.0 -7.5 -1.3 0.05| 4.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251213.00.gif