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 U0046... Searching the city database file for: U0046 ... Date:0000Z 4 DEC 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1020 26 -11.3 -16.3 66 5.0 -12.3 70 11 260.4 260.5 259.6 263.2 1.05 1 1000 178 -12.5 -18.5 61 6.0 -13.6 80 9 260.6 260.8 259.5 263.1 0.89 2 925 767 -17.9 -22.2 69 4.3 -18.6 80 3 261.0 261.1 259.4 262.9 0.70 3 916 840 -18.3 -22.3 71 4.0 -18.9 81 4 261.3 261.4 259.7 263.3 0.70 4 895 1014 -16.9 -22.9 60 6.0 -17.9 84 6 264.5 264.6 262.0 266.4 0.68 5 850 1400 -18.3 -32.3 28 14.0 -19.9 90 11 267.0 267.0 263.1 267.9 0.30 6 833 1551 -19.1 -34.1 25 15.0 -20.7 87 11 267.7 267.7 263.5 268.4 0.26 7 771 2124 -21.1 -33.1 33 12.0 -22.4 75 13 271.5 271.6 266.3 272.4 0.30 8 700 2830 -25.7 -32.7 52 7.0 -26.4 60 15 274.0 274.1 268.1 275.1 0.35 9 674 3104 -27.5 -34.5 51 7.0 -28.2 62 17 275.0 275.0 268.6 275.9 0.30 10 592 4023 -35.3 -40.2 61 4.9 -35.6 67 22 276.3 276.4 269.2 276.9 0.19 11 576 4214 -35.1 -39.7 63 4.6 -35.4 69 23 278.7 278.8 270.8 279.4 0.21 12 517 4962 -39.3 -45.3 53 6.0 -39.6 74 28 282.4 282.4 272.8 282.8 0.13 13 500 5190 -40.9 -47.9 47 7.0 -41.2 75 29 283.2 283.2 273.2 283.5 0.10 14 438 6077 -48.1 -56.1 39 8.0 -48.3 72 34 285.0 285.0 274.1 285.1 0.04 15 400 6670 -52.1 -60.1 38 8.0 -52.2 70 38 287.3 287.3 275.3 287.4 0.03 16 381 6982 -54.3 -61.3 42 7.0 -54.4 70 35 288.4 288.4 275.9 288.5 0.03 17 300 8480 -62.1 -69.1 39 7.0 -62.1 70 19 297.8 297.8 280.4 297.8 0.01 18 293 8626 -62.7 -69.7 38 7.0 -62.7 75 17 299.0 299.0 280.9 299.0 0.01 19 250 9610 -61.5 -68.5 39 7.0 -61.6 55 11 314.6 314.6 287.0 314.7 0.02 20 225 10264 -59.9 -66.9 40 7.0 -60.0 43 14 326.7 326.7 290.8 326.8 0.02 21 200 11000 -58.9 -65.9 40 7.0 -59.0 30 17 339.5 339.5 294.2 339.6 0.03 22 193 11223 -57.3 -64.3 41 7.0 -57.4 28 17 345.5 345.5 295.7 345.7 0.03 23 150 12800 -59.1 -67.1 35 8.0 -59.2 10 15 368.3 368.3 300.3 368.4 0.03 24 100 15320 -62.7 -72.7 25 10.0 -62.9 335 15 406.6 406.6 306.1 406.7 0.02 25 70 17510 -64.9 -75.9 21 11.0 -65.1 10 15 445.5 445.5 310.4 445.6 0.02 26 60 18446 -68.7 -79.7 19 11.0 -68.8 19 20 457.1 457.1 311.5 457.2 0.01 27 56 18861 -68.5 -79.5 19 11.0 -68.7 23 22 466.7 466.7 312.4 466.8 0.01 28 50 19540 -70.5 -81.5 18 11.0 -70.6 30 25 477.4 477.4 313.2 477.4 0.01 29 36 21479 -72.7 -83.7 17 11.0 -72.8 518.7 518.7 316.2 518.7 0.01 TRP 293 8626 -62.7 -69.7 38 7.0 -62.7 75 17 299.0 299.0 280.9 299.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5012.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 51.23 % Est. max temperature: -5.78 C = 21.60 F Sfc-Lift cond lev (LCL): 940.95 mb = 637.86 m = 2092.71 ft T: -16.72 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.27 C Layer 1000.0- 916.0 mb Conv cond level (CCL): 743.54 mb = 2388.72 m = 7836.91 ft Mean mixing ratio: 0.82 g/kg Conv temperature: 0.86 C = 33.56 F Cap Strength: 16.17 C Lifted Index: 16.62 C Risk: None Lifted Index @300 mb: 24.66 C Lifted Index @700 mb: 10.55 C Showalter Index: 12.69 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 8.60 C K Index: -16.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.54 J/kg Max Up Vert Vel: 1.76 m/s Conv Inhibition (B-): 39536.97 J/kg Cap Strength: 16.52 C Lift Cond Lev (LCL): 892.05 mb = 1038.49 m = 3407.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 102 at 13 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 1020 26 70 11 -10.3 -3.8 | 337 7 2.8 -6.6 1 1000 178 80 9 -8.9 -1.6 | 316 6 4.3 -4.4 2 925 767 80 3 -3.0 -0.5 | 288 11 10.2 -3.4 3 850 1400 90 11 -11.0 0.0 | 323 4 2.2 -2.9 4 700 2830 60 15 -13.0 -7.5 | 359 10 0.2 -10.4 5 500 5190 75 29 -28.0 -7.5 | 55 18 -14.8 -10.4 6 400 6670 70 38 -35.7 -13.0 | 55 28 -22.5 -15.9 7 300 8480 70 19 -17.9 -6.5 | 27 10 -4.7 -9.4 8 293 8626 75 17 -16.4 -4.4 | 24 8 -3.3 -7.3 9 250 9610 55 11 -9.0 -6.3 | 336 10 4.2 -9.2 10 200 11000 30 17 -8.5 -14.7 | 345 18 4.7 -17.6 11 150 12800 10 15 -2.6 -14.8 | 329 21 10.6 -17.7 12 100 15320 335 15 6.3 -13.6 | 310 26 19.5 -16.5 13 70 17510 10 15 -2.6 -14.8 | 329 21 10.6 -17.7 14 50 19540 30 25 -12.5 -21.7 | 358 25 0.7 -24.5 Wind Parameters Mean winds (0-6000m): 72.3 at 18.0 knts Storm direction: 102.3 at 13.5 knts Shear (0-3000m) pos: 0.6 neg: 1.3 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 28.5 deg Storm rel helicity (0-3000m) pos: 13.6 neg: -11.9 tot: 1.8 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 13.16 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 78 8 311 7| 5.9 0.0 5.9| 0.0 -9.1 -9.1 -18.1 -0.81| 6.3 -5.1 1000 79 6 300 8| 2.6 0.0 2.6| 2.8 -11.8 -9.0 -9.0 -0.44| 5.7 -2.5 1500 84 7 302 7| 1.2 0.0 1.2| 6.8 -11.8 -5.0 -3.3 -0.11| 5.6 -0.6 2000 83 8 309 6| 0.9 0.7 1.5| 8.9 -11.8 -2.9 -1.5 -0.01| 4.9 -0.1 2500 79 9 320 6| 0.7 1.1 1.8| 10.2 -11.8 -1.6 -0.7 0.02| 4.5 0.1 3000 75 10 331 6| 0.6 1.3 1.9| 13.6 -11.9 1.8 0.6 0.07| 4.3 0.3 4000 71 13 349 7| 1.0 1.0 2.0| 31.5 -11.9 19.6 4.9 0.24| 4.0 1.0 5000 72 15 9 8| 1.5 0.8 2.3| 52.6 -11.9 40.7 8.1 0.33| 3.9 1.3 6000 72 18 25 9| 1.2 1.1 2.3| 57.2 -12.0 45.2 7.5 0.31| 3.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251204.00.gif