UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 9 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 1019 25 -18.1 -21.9 72 3.8 -18.6 360 7 253.7 253.8 253.3 255.4 0.65 1 1000 165 -20.1 -24.5 68 4.4 -20.7 30 13 253.1 253.1 252.5 254.5 0.52 2 947 566 -23.5 -26.8 74 3.3 -23.8 37 10 253.6 253.6 252.8 254.8 0.45 3 925 738 -22.1 -25.0 77 2.9 -22.5 40 9 256.7 256.8 255.7 258.2 0.54 4 917 802 -21.5 -24.7 75 3.2 -21.9 39 8 258.0 258.1 256.7 259.5 0.56 5 850 1359 -23.7 -28.7 63 5.0 -24.2 30 3 261.3 261.4 259.1 262.5 0.42 6 842 1428 -23.5 -29.5 58 6.0 -24.1 27 3 262.2 262.3 259.8 263.4 0.39 7 700 2760 -30.3 -39.3 41 9.0 -30.9 325 9 268.9 269.0 264.3 269.5 0.18 8 664 3133 -32.7 -40.7 45 8.0 -33.2 326 9 270.3 270.4 265.2 270.8 0.16 9 635 3446 -34.5 -42.5 44 8.0 -34.9 326 10 271.7 271.8 266.1 272.2 0.14 10 532 4655 -44.1 -49.1 57 5.0 -44.2 329 11 274.4 274.4 267.8 274.6 0.08 11 500 5070 -45.1 -49.9 58 4.8 -45.2 330 11 278.1 278.1 270.1 278.3 0.08 12 488 5233 -45.5 -50.4 58 4.9 -45.6 329 11 279.5 279.5 271.0 279.8 0.08 13 400 6550 -50.5 -56.5 49 6.0 -50.6 320 11 289.4 289.4 276.4 289.5 0.05 14 350 7410 -53.9 -60.9 42 7.0 -54.0 327 13 296.0 296.0 279.6 296.1 0.03 15 300 8380 -60.7 -67.7 39 7.0 -60.7 335 15 299.8 299.8 281.3 299.8 0.01 16 298 8422 -60.7 -67.7 39 7.0 -60.7 340 15 300.4 300.4 281.5 300.4 0.01 17 250 9520 -59.1 -66.1 40 7.0 -59.2 5 13 318.2 318.2 288.2 318.3 0.02 18 243 9699 -58.5 -65.5 40 7.0 -58.6 6 14 321.7 321.7 289.3 321.8 0.02 19 212 10562 -57.5 -64.5 41 7.0 -57.6 12 19 336.1 336.1 293.4 336.2 0.03 20 200 10930 -58.5 -65.5 40 7.0 -58.6 15 21 340.1 340.1 294.4 340.2 0.03 21 150 12730 -61.3 -70.3 29 9.0 -61.4 15 13 364.5 364.5 299.6 364.6 0.02 22 148 12813 -61.7 -70.7 29 9.0 -61.8 16 13 365.2 365.2 299.7 365.3 0.02 23 122 14006 -62.5 -71.5 29 9.0 -62.6 25 15 384.5 384.5 303.0 384.6 0.02 24 100 15220 -66.5 -76.5 23 10.0 -66.6 35 17 399.2 399.2 305.1 399.3 0.01 25 70 17370 -70.1 -80.1 22 10.0 -70.2 20 19 434.4 434.4 309.3 434.5 0.01 26 61 18184 -71.3 -81.3 21 10.0 -71.4 32 16 449.2 449.2 310.8 449.2 0.01 27 50 19350 -73.9 -83.9 20 10.0 -74.0 50 11 469.3 469.3 312.6 469.4 0.01 28 38 20944 -75.9 -85.9 19 10.0 -76.0 502.6 502.6 315.1 502.6 0.01 TRP 298 8422 -60.7 -67.7 39 7.0 -60.7 340 15 300.4 300.4 281.5 300.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 4905.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 55.38 % Est. max temperature: -11.41 C = 11.47 F Sfc-Lift cond lev (LCL): 957.35 mb = 485.74 m = 1593.62 ft T: -22.82 C 700-500 lapse rate: 6.41 C/km ThetaE index: 0.95 C Layer 1000.0- 947.0 mb Conv cond level (CCL): 744.93 mb = 2311.40 m = 7583.24 ft Mean mixing ratio: 0.51 g/kg Conv temperature: -5.03 C = 22.94 F Cap Strength: 15.88 C Lifted Index: 18.63 C Risk: None Lifted Index @300 mb: 31.45 C Lifted Index @700 mb: 12.57 C Showalter Index: 12.83 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 16.40 C K Index: -16.30 Risk: None Sweat Index: 17.00 Risk: None Energy Index: 3.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.76 J/kg Max Up Vert Vel: 5.25 m/s Conv Inhibition (B-): 41446.20 J/kg Cap Strength: 18.50 C Lift Cond Lev (LCL): 911.52 mb = 845.94 m = 2775.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 11 at 7 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 1019 25 360 7 -0.0 -7.0 | 288 1 1.3 -0.4 1 1000 165 30 13 -6.5 -11.3 | 48 7 -5.2 -4.7 2 925 738 40 9 -5.8 -6.9 | 86 4 -4.5 -0.3 3 850 1359 30 3 -1.5 -2.6 | 178 4 -0.2 4.0 4 700 2760 325 9 5.2 -7.4 | 277 7 6.5 -0.8 5 500 5070 330 11 5.5 -9.5 | 293 7 6.8 -3.0 6 400 6550 320 11 7.1 -8.4 | 282 9 8.4 -1.9 7 300 8380 335 15 6.3 -13.6 | 312 10 7.7 -7.0 8 298 8422 340 15 5.1 -14.1 | 319 10 6.5 -7.5 9 250 9520 5 13 -1.1 -13.0 | 358 6 0.2 -6.4 10 200 10930 15 21 -5.4 -20.3 | 17 14 -4.1 -13.7 11 150 12730 15 13 -3.4 -12.6 | 19 6 -2.0 -6.0 12 100 15220 35 17 -9.8 -13.9 | 49 11 -8.4 -7.4 13 70 17370 20 19 -6.5 -17.9 | 25 12 -5.2 -11.3 14 50 19350 50 11 -8.4 -7.1 | 86 7 -7.1 -0.5 Wind Parameters Mean winds (0-6000m): 341.5 at 8.9 knts Storm direction: 11.5 at 6.7 knts Shear (0-3000m) pos: 1.1 neg: 2.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -8.7 deg Storm rel helicity (0-3000m) pos: 15.0 neg: -0.2 tot: 14.8 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.44 Bulk Shear: 9.56 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 30 11 53 5| 6.6 0.0 6.6| 6.9 0.0 6.9 13.7 0.80| 11.8 9.5 1000 33 10 67 4| 3.3 2.2 5.5| 10.6 0.0 10.6 10.6 0.80| 8.2 6.6 1500 33 8 87 3| 2.2 2.4 4.6| 12.8 0.0 12.8 8.6 0.80| 6.7 5.4 2000 29 7 97 2| 1.6 1.8 3.4| 13.8 0.0 13.8 6.9 0.79| 5.8 4.6 2500 19 7 80 1| 1.3 2.0 3.3| 14.7 0.0 14.7 5.9 0.73| 5.4 3.9 3000 7 7 332 1| 1.1 2.0 3.1| 15.0 -0.2 14.8 4.9 0.68| 4.8 3.3 4000 354 8 301 3| 0.8 1.5 2.3| 16.5 -0.2 16.3 4.1 0.69| 3.7 2.6 5000 346 9 296 4| 0.7 1.2 1.9| 18.2 -0.2 18.0 3.6 0.69| 3.1 2.1 6000 341 9 295 5| 0.6 1.1 1.7| 18.2 -2.2 16.0 2.7 0.64| 2.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251209.12.gif