UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 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 1021 28 -10.5 -13.7 77 3.2 -11.2 200 7 261.1 261.3 260.7 264.6 1.30 1 1000 188 -11.7 -16.0 70 4.3 -12.6 230 11 261.5 261.6 260.6 264.4 1.10 2 928 755 -16.7 -18.6 85 1.9 -17.0 264 11 262.0 262.1 260.7 264.6 0.95 3 925 779 -16.3 -18.1 86 1.8 -16.6 265 11 262.6 262.8 261.3 265.4 0.99 4 918 836 -15.1 -16.9 86 1.8 -15.4 262 10 264.4 264.6 262.9 267.5 1.11 5 883 1131 -13.5 -19.5 61 6.0 -14.7 246 7 269.1 269.2 265.8 271.7 0.92 6 866 1279 -14.1 -22.1 51 8.0 -15.5 238 5 269.9 270.1 266.1 272.1 0.75 7 850 1420 -14.3 -23.3 46 9.0 -15.9 230 3 271.2 271.3 266.8 273.2 0.69 8 700 2870 -22.1 -34.1 33 12.0 -23.4 15 1 278.0 278.1 270.5 279.0 0.30 9 629 3650 -25.5 -40.5 23 15.0 -26.8 12 5 282.8 282.8 273.1 283.3 0.18 10 614 3825 -26.9 -41.9 23 15.0 -28.1 11 6 283.1 283.1 273.2 283.6 0.16 11 568 4380 -31.9 -44.9 26 13.0 -32.7 9 8 283.6 283.6 273.5 284.0 0.12 12 516 5052 -35.9 -48.9 25 13.0 -36.5 6 12 286.7 286.7 275.1 287.0 0.09 13 500 5270 -37.5 -50.5 25 13.0 -38.1 5 13 287.3 287.3 275.4 287.6 0.07 14 400 6770 -49.9 -60.9 26 11.0 -50.1 345 19 290.1 290.1 276.7 290.2 0.03 15 300 8590 -63.5 -72.5 28 9.0 -63.6 5 13 295.8 295.8 279.5 295.9 0.01 16 293 8811 -64.3 -73.3 28 9.0 -64.3 15 19 296.7 296.7 279.8 296.7 0.01 17 250 10250 -63.9 -73.9 24 10.0 -64.0 15 19 311.1 311.1 285.7 311.1 0.01 18 200 12000 -63.5 -73.5 24 10.0 -63.6 15 19 332.2 332.2 292.3 332.2 0.01 19 150 13740 -63.3 -74.3 21 11.0 -63.4 15 21 361.0 361.0 298.9 361.1 0.01 20 100 15490 -62.9 -73.9 21 11.0 -63.1 15 21 406.2 406.2 306.0 406.3 0.02 21 94 15871 -62.9 -73.9 21 11.0 -63.1 413.4 413.5 306.9 413.5 0.02 22 76 17167 -67.1 -78.1 20 11.0 -67.2 430.6 430.6 308.9 430.6 0.01 TRP 293 8811 -64.3 -73.3 28 9.0 -64.3 15 19 296.7 296.7 279.8 296.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5082.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 41.37 % Est. max temperature: -1.87 C = 28.63 F Sfc-Lift cond lev (LCL): 969.83 mb = 420.35 m = 1379.10 ft T: -13.75 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.16 C Layer 1000.0- 928.0 mb Conv cond level (CCL): 736.62 mb = 2489.17 m = 8166.47 ft Mean mixing ratio: 1.06 g/kg Conv temperature: 4.72 C = 40.49 F Cap Strength: 18.40 C Lifted Index: 18.73 C Risk: None Lifted Index @300 mb: 22.14 C Lifted Index @700 mb: 12.86 C Showalter Index: 11.82 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 14.20 C K Index: -12.10 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.62 J/kg Max Up Vert Vel: 2.29 m/s Conv Inhibition (B-): 23867.06 J/kg Cap Strength: 18.72 C Lift Cond Lev (LCL): 922.23 mb = 801.59 m = 2629.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 at 5 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 1021 28 200 7 2.4 6.6 | 194 12 3.0 12.0 1 1000 188 230 11 8.4 7.1 | 216 15 9.0 12.5 2 925 779 265 11 11.0 1.0 | 241 13 11.6 6.3 3 850 1420 230 3 2.3 1.9 | 202 8 2.9 7.3 4 700 2870 15 1 -0.3 -1.0 | 184 4 0.3 4.4 5 500 5270 5 13 -1.1 -13.0 | 4 8 -0.5 -7.6 6 400 6770 345 19 4.9 -18.4 | 337 14 5.5 -13.0 7 300 8590 5 13 -1.1 -13.0 | 4 8 -0.5 -7.6 8 293 8811 15 19 -4.9 -18.4 | 18 14 -4.3 -13.0 9 250 10250 15 19 -4.9 -18.4 | 18 14 -4.3 -13.0 10 200 12000 15 19 -4.9 -18.4 | 18 14 -4.3 -13.0 11 150 13740 15 21 -5.4 -20.3 | 18 16 -4.8 -14.9 12 100 15490 15 21 -5.4 -20.3 | 18 16 -4.8 -14.9 Wind Parameters Mean winds (0-6000m): 336.3 at 7.2 knts Storm direction: 6.3 at 5.4 knts Shear (0-3000m) pos: 1.3 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): -11.6 deg Storm rel helicity (0-3000m) pos: 43.5 neg: -21.8 tot: 21.7 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 25.27 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 ------------------------------------------------------------------------------- 500 234 10 218 15| 8.7 0.0 8.7| 33.9 0.0 33.9 67.7 0.91| 10.2 9.3 1000 246 10 226 14| 3.3 0.0 3.3| 41.6 -9.1 32.5 32.5 0.52| 8.2 4.3 1500 248 9 225 12| 2.2 1.8 4.0| 42.3 -19.3 23.0 15.3 0.21| 7.4 1.6 2000 249 7 222 11| 2.0 1.3 3.3| 43.5 -19.4 24.1 12.0 0.22| 6.2 1.4 2500 249 6 220 10| 1.5 1.1 2.6| 43.5 -20.7 22.8 9.1 0.16| 5.3 0.9 3000 248 5 217 9| 1.3 0.9 2.2| 43.5 -21.8 21.7 7.2 0.12| 4.7 0.6 4000 266 5 224 8| 1.0 1.1 2.0| 43.5 -22.4 21.1 5.3 0.03| 4.2 0.1 5000 311 6 252 5| 0.8 1.3 2.1| 43.5 -23.4 20.1 4.0 -0.00| 3.8 -0.0 6000 336 7 289 4| 0.6 1.3 2.0| 43.5 -29.5 14.0 2.3 -0.06| 3.6 -0.2 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251212.12.gif