UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 12 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 1018 31 -10.9 -13.7 80 2.8 -11.5 200 3 260.9 261.1 260.5 264.4 1.30 1 1000 168 -11.5 -14.9 76 3.4 -12.2 260 1 261.6 261.8 260.9 264.9 1.20 2 925 760 -16.3 -18.2 85 1.9 -16.7 210 3 262.6 262.8 261.3 265.3 0.98 3 904 932 -17.5 -19.0 88 1.5 -17.8 161 5 263.1 263.3 261.5 265.7 0.94 4 880 1135 -14.9 -16.3 89 1.4 -15.2 104 8 267.9 268.1 265.5 271.2 1.21 5 850 1397 -15.3 -18.4 77 3.1 -15.9 30 11 270.1 270.3 266.8 273.1 1.05 6 790 1948 -17.5 -26.5 45 9.0 -18.8 34 12 273.5 273.6 268.1 275.1 0.55 7 739 2444 -20.5 -32.5 33 12.0 -22.0 37 12 275.5 275.5 269.0 276.5 0.34 8 700 2844 -22.7 -32.7 40 10.0 -23.8 40 13 277.3 277.4 270.2 278.4 0.35 9 680 3056 -23.3 -33.3 39 10.0 -24.4 40 15 279.0 279.0 271.2 280.0 0.34 10 559 4464 -32.7 -45.7 26 13.0 -33.4 40 25 284.0 284.0 273.6 284.3 0.11 11 500 5240 -38.5 -50.5 27 12.0 -39.0 40 31 286.1 286.1 274.8 286.4 0.07 12 400 6730 -49.9 -60.9 26 11.0 -50.1 45 35 290.1 290.1 276.7 290.2 0.03 13 323 8094 -60.9 -70.9 26 10.0 -61.0 49 34 293.2 293.2 278.3 293.3 0.01 14 300 8550 -64.1 -74.1 24 10.0 -64.1 50 33 295.0 295.0 279.1 295.0 0.01 15 266 9285 -68.1 -77.1 26 9.0 -68.1 65 33 299.5 299.5 281.1 299.5 0.00 16 250 9660 -67.5 -76.5 27 9.0 -67.5 30 29 305.7 305.7 283.7 305.7 0.00 17 200 11020 -61.1 -70.1 29 9.0 -61.2 35 21 336.0 336.0 293.3 336.1 0.02 18 197 11114 -60.7 -69.7 30 9.0 -60.8 34 21 338.1 338.1 293.9 338.2 0.02 19 188 11407 -60.5 -69.5 30 9.0 -60.6 33 22 343.0 343.0 295.0 343.0 0.02 20 150 12820 -60.3 -69.3 30 9.0 -60.4 25 25 366.2 366.2 299.9 366.3 0.02 21 100 15330 -62.5 -73.5 21 11.0 -62.7 30 17 407.0 407.0 306.2 407.1 0.02 22 91 15910 -64.3 -75.3 21 11.0 -64.4 30 18 414.5 414.5 307.1 414.6 0.02 23 70 17500 -68.3 -79.3 19 11.0 -68.4 30 21 438.3 438.3 309.7 438.3 0.01 24 50 19500 -72.5 -83.5 17 11.0 -72.6 45 23 472.6 472.6 312.8 472.7 0.01 25 31 22279 -76.9 -87.9 16 11.0 -77.0 530.0 530.0 316.9 530.0 0.01 TRP 266 9285 -68.1 -77.1 26 9.0 -68.1 65 33 299.5 299.5 281.1 299.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5072.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 48.62 % Est. max temperature: -3.02 C = 26.56 F Sfc-Lift cond lev (LCL): 973.15 mb = 374.70 m = 1229.33 ft T: -13.18 C 700-500 lapse rate: 6.59 C/km ThetaE index: 0.00 C Layer 1018.0-119422827978414792822210217115648.0 mb Conv cond level (CCL): 914.17 mb = 848.38 m = 2783.35 ft Mean mixing ratio: 1.11 g/kg Conv temperature: -8.91 C = 15.96 F Cap Strength: 16.21 C Lifted Index: 17.38 C Risk: None Lifted Index @300 mb: 21.19 C Lifted Index @700 mb: 11.85 C Showalter Index: 10.87 C Risk: None Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.10 C K Index: -5.20 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.89 J/kg Max Up Vert Vel: 2.79 m/s Conv Inhibition (B-): 40694.28 J/kg Cap Strength: 17.23 C Lift Cond Lev (LCL): 926.53 mb = 747.49 m = 2452.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 69 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 1018 31 200 3 1.0 2.8 | 241 15 13.1 7.4 1 1000 168 260 1 1.0 0.2 | 250 14 13.0 4.7 2 925 760 210 3 1.5 2.6 | 242 15 13.5 7.1 3 850 1397 30 11 -5.5 -9.5 | 307 8 6.5 -5.0 4 700 2844 40 13 -8.4 -10.0 | 326 7 3.7 -5.4 5 500 5240 40 31 -19.9 -23.7 | 22 21 -7.9 -19.2 6 400 6730 45 35 -24.7 -24.7 | 32 24 -12.7 -20.2 7 300 8550 50 33 -25.3 -21.2 | 38 21 -13.2 -16.7 8 266 9285 65 33 -29.9 -13.9 | 62 20 -17.9 -9.4 9 250 9660 30 29 -14.5 -25.1 | 7 21 -2.5 -20.6 10 200 11020 35 21 -12.0 -17.2 | 0 13 -0.0 -12.7 11 150 12820 25 25 -10.6 -22.7 | 355 18 1.5 -18.1 12 100 15330 30 17 -8.5 -14.7 | 341 11 3.5 -10.2 13 70 17500 30 21 -10.5 -18.2 | 354 14 1.5 -13.6 14 50 19500 45 23 -16.3 -16.3 | 20 12 -4.2 -11.7 Wind Parameters Mean winds (0-6000m): 39.3 at 17.1 knts Storm direction: 69.3 at 12.9 knts Shear (0-3000m) pos: 0.7 neg: 2.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 96.3 deg Storm rel helicity (0-3000m) pos: 25.6 neg: -30.4 tot: -4.9 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 46.92 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 ------------------------------------------------------------------------------- 500 231 2 247 15| 1.6 0.0 1.6| 9.1 -3.3 5.7 11.5 0.39| 4.0 1.5 1000 193 3 240 15| 0.8 3.6 4.4| 9.1 -28.6 -19.6 -19.6 -0.43| 6.2 -2.7 1500 25 5 269 10| 0.5 4.6 5.1| 19.1 -30.4 -11.4 -7.6 0.08| 9.9 0.8 2000 30 7 277 9| 0.4 3.4 3.8| 20.7 -30.4 -9.8 -4.9 0.11| 7.7 0.8 2500 33 8 284 8| 0.4 2.7 3.2| 22.3 -30.4 -8.2 -3.3 0.13| 6.3 0.8 3000 35 9 290 8| 0.7 2.3 3.0| 25.6 -30.4 -4.9 -1.6 0.18| 5.6 1.0 4000 37 11 308 7| 0.5 2.7 3.2| 38.1 -30.4 7.6 1.9 0.27| 5.2 1.4 5000 38 14 333 7| 0.4 2.9 3.3| 50.6 -30.4 20.2 4.0 0.29| 4.9 1.4 6000 39 17 352 9| 0.7 2.4 3.1| 64.7 -30.4 34.3 5.7 0.32| 4.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251212.00.gif