UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 11 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 1015 27 -11.3 -14.7 76 3.4 -12.1 180 5 260.7 260.9 260.2 264.0 1.20 1 1000 141 -11.9 -16.0 72 4.1 -12.8 180 3 261.2 261.4 260.4 264.2 1.10 2 957 475 -14.3 -17.3 78 3.0 -14.9 265 3 262.1 262.3 260.9 264.9 1.03 3 928 708 -14.5 -16.4 85 1.9 -14.9 324 3 264.2 264.4 262.7 267.4 1.14 4 925 733 -14.7 -16.6 85 1.9 -15.1 330 3 264.3 264.5 262.7 267.4 1.13 5 850 1367 -19.7 -21.1 89 1.4 -19.9 10 5 265.5 265.6 263.1 267.9 0.83 6 834 1509 -17.3 -18.6 90 1.3 -17.6 12 7 269.5 269.7 266.3 272.5 1.06 7 822 1617 -17.5 -18.9 89 1.4 -17.8 13 8 270.4 270.6 266.9 273.4 1.04 8 784 1971 -18.7 -22.7 71 4.0 -19.4 18 12 272.8 272.9 268.1 275.1 0.79 9 770 2106 -17.9 -23.9 59 6.0 -18.9 20 13 275.1 275.2 269.4 277.2 0.72 10 711 2697 -21.7 -31.7 40 10.0 -22.9 28 20 277.2 277.3 270.1 278.4 0.38 11 700 2812 -22.3 -31.3 44 9.0 -23.4 30 21 277.8 277.9 270.5 279.0 0.40 12 642 3442 -25.7 -33.7 47 8.0 -26.6 35 25 280.9 280.9 272.3 282.0 0.35 13 500 5200 -39.9 -44.0 65 4.1 -40.1 50 38 284.4 284.4 273.9 284.9 0.15 14 480 5478 -42.3 -46.2 66 3.9 -42.5 50 38 284.8 284.8 274.1 285.2 0.13 15 400 6690 -51.5 -55.2 64 3.7 -51.6 50 40 288.1 288.1 275.7 288.2 0.05 16 300 8500 -65.7 -69.3 61 3.6 -65.7 60 48 292.7 292.7 278.0 292.8 0.01 17 287 8767 -66.7 -70.3 60 3.6 -66.7 50 52 295.0 295.0 279.1 295.1 0.01 18 281 8894 -66.5 -70.1 60 3.6 -66.5 48 50 297.1 297.1 280.1 297.1 0.01 19 264 9270 -66.1 -69.7 61 3.6 -66.1 41 42 303.0 303.0 282.6 303.1 0.01 20 250 9600 -64.1 -67.8 60 3.7 -64.1 35 36 310.8 310.8 285.6 310.8 0.02 21 200 10980 -60.1 -63.9 61 3.8 -60.2 30 19 337.6 337.6 293.7 337.7 0.04 22 150 12780 -60.3 -64.7 56 4.4 -60.4 30 23 366.2 366.2 299.9 366.4 0.04 23 100 15280 -63.5 -68.5 51 5.0 -63.6 30 21 405.0 405.0 305.9 405.2 0.04 24 79 16719 -66.3 -72.3 43 6.0 -66.4 37 20 427.5 427.5 308.6 427.6 0.03 25 70 17450 -67.7 -73.7 42 6.0 -67.8 40 19 439.5 439.6 309.8 439.7 0.03 26 50 19460 -70.9 -76.9 41 6.0 -71.0 30 27 476.4 476.4 313.2 476.5 0.02 27 30 22438 -77.3 -83.3 38 6.0 -77.4 533.9 533.9 317.2 534.0 0.01 TRP 287 8767 -66.7 -70.3 60 3.6 -66.7 50 52 295.0 295.0 279.1 295.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5059.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 63.54 % Est. max temperature: -6.76 C = 19.84 F Sfc-Lift cond lev (LCL): 960.94 mb = 444.25 m = 1457.50 ft T: -14.08 C 700-500 lapse rate: 7.37 C/km ThetaE index: 0.00 C Layer 1015.0-1526726.6 mb Conv cond level (CCL): 880.47 mb = 1102.94 m = 3618.52 ft Mean mixing ratio: 1.09 g/kg Conv temperature: -7.01 C = 19.38 F Cap Strength: 14.18 C Lifted Index: 15.71 C Risk: None Lifted Index @300 mb: 19.42 C Lifted Index @700 mb: 12.02 C Showalter Index: 13.69 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 18.80 C K Index: -9.90 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.84 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 40048.31 J/kg Cap Strength: 15.66 C Lift Cond Lev (LCL): 917.53 mb = 793.80 m = 2604.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 72 at 16 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 1015 27 180 5 0.0 5.0 | 236 18 15.2 10.1 1 1000 141 180 3 0.0 3.0 | 242 17 15.2 8.1 2 925 733 330 3 1.5 -2.6 | 262 17 16.7 2.5 3 850 1367 10 5 -0.9 -4.9 | 269 14 14.3 0.1 4 700 2812 30 21 -10.5 -18.2 | 340 14 4.7 -13.1 5 500 5200 50 38 -29.1 -24.4 | 36 24 -13.9 -19.4 6 400 6690 50 40 -30.6 -25.7 | 37 26 -15.5 -20.7 7 300 8500 60 48 -41.6 -24.0 | 54 32 -26.4 -18.9 8 287 8767 50 52 -39.8 -33.4 | 41 38 -24.7 -28.4 9 250 9600 35 36 -20.6 -29.5 | 13 25 -5.5 -24.4 10 200 10980 30 19 -9.5 -16.5 | 334 13 5.7 -11.4 11 150 12780 30 23 -11.5 -19.9 | 346 15 3.7 -14.9 12 100 15280 30 21 -10.5 -18.2 | 340 14 4.7 -13.1 13 70 17450 40 19 -12.2 -14.6 | 343 10 3.0 -9.5 14 50 19460 30 27 -13.5 -23.4 | 355 18 1.7 -18.3 Wind Parameters Mean winds (0-6000m): 41.6 at 21.3 knts Storm direction: 71.6 at 16.0 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 111.8 neg: 0.0 tot: 111.8 m^2/s^2 ave: 37.3 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 79.53 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 ------------------------------------------------------------------------------- 500 211 3 245 19| 6.3 0.0 6.3| 29.7 0.0 29.7 59.4 0.89| 7.1 6.3 1000 295 3 259 18| 4.6 0.0 4.6| 43.7 0.0 43.7 43.7 0.83| 5.7 4.7 1500 350 4 265 16| 4.0 0.0 4.0| 54.3 0.0 54.3 36.2 0.81| 5.1 4.1 2000 7 5 270 15| 4.4 0.0 4.4| 73.9 0.0 73.9 37.0 0.86| 5.3 4.5 2500 17 7 278 13| 4.6 0.0 4.6| 93.8 0.0 93.8 37.5 0.89| 5.4 4.8 3000 24 9 287 12| 4.6 0.0 4.6|111.8 0.0 111.8 37.3 0.90| 5.4 4.8 4000 30 13 308 11| 4.3 0.0 4.3|142.7 0.0 142.7 35.7 0.90| 5.1 4.6 5000 37 18 334 10| 4.1 0.0 4.1|181.0 0.0 181.0 36.2 0.89| 4.9 4.4 6000 42 21 355 11| 3.6 0.1 3.6|190.3 0.0 190.3 31.7 0.87| 4.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251211.12.gif