UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 5 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 1023 26 -10.9 -14.8 73 3.9 -11.8 200 7 260.5 260.7 260.0 263.7 1.18 1 1002 186 -9.3 -13.9 69 4.6 -10.4 227 18 263.7 263.9 262.7 267.2 1.30 2 1000 201 -9.3 -13.9 69 4.6 -10.4 230 19 263.9 264.1 262.8 267.4 1.30 3 925 799 -13.5 -18.5 66 5.0 -14.5 250 5 265.5 265.7 263.3 268.2 0.96 4 909 931 -14.1 -19.1 66 5.0 -15.0 260 5 266.2 266.4 263.8 268.8 0.93 5 850 1436 -18.5 -22.9 68 4.4 -19.2 300 7 266.8 266.9 263.8 268.8 0.71 6 808 1812 -21.9 -24.8 77 2.9 -22.3 287 10 267.0 267.1 263.8 268.9 0.63 7 797 1913 -21.5 -24.1 79 2.6 -21.9 283 10 268.5 268.6 265.0 270.5 0.68 8 781 2062 -21.3 -24.8 73 3.5 -21.8 278 11 270.3 270.4 266.1 272.2 0.65 9 713 2728 -25.7 -32.7 52 7.0 -26.4 255 16 272.6 272.6 267.1 273.6 0.34 10 700 2862 -25.3 -32.3 52 7.0 -26.1 250 17 274.5 274.5 268.4 275.6 0.36 11 637 3543 -28.3 -39.3 34 11.0 -29.2 247 18 278.6 278.6 270.7 279.2 0.20 12 583 4173 -32.3 -47.3 21 15.0 -33.1 245 19 281.0 281.1 271.9 281.3 0.09 13 519 4984 -37.7 -50.7 24 13.0 -38.2 241 21 284.0 284.0 273.6 284.3 0.07 14 500 5240 -39.7 -51.7 27 12.0 -40.1 240 21 284.6 284.6 273.9 284.9 0.06 15 431 6240 -47.7 -57.7 31 10.0 -47.9 243 22 286.8 286.8 275.0 286.9 0.04 16 400 6730 -51.7 -61.7 29 10.0 -51.8 245 23 287.8 287.8 275.6 287.9 0.02 17 388 6927 -53.3 -63.3 29 10.0 -53.4 248 23 288.2 288.2 275.7 288.3 0.02 18 317 8201 -62.1 -71.1 29 9.0 -62.1 265 21 293.1 293.1 278.2 293.2 0.01 19 300 8540 -63.5 -72.5 28 9.0 -63.6 270 21 295.8 295.8 279.5 295.9 0.01 20 283 8896 -65.1 -73.1 32 8.0 -65.1 260 15 298.5 298.5 280.7 298.5 0.01 21 262 9364 -65.3 -73.3 32 8.0 -65.3 285 16 304.9 304.9 283.4 304.9 0.01 22 250 9650 -62.9 -70.9 33 8.0 -63.0 300 17 312.6 312.6 286.2 312.6 0.01 23 200 11030 -61.5 -69.5 34 8.0 -61.6 325 19 335.4 335.4 293.2 335.4 0.02 24 181 11650 -60.1 -68.1 34 8.0 -60.2 325 21 347.4 347.4 296.1 347.5 0.02 25 150 12820 -60.9 -69.9 30 9.0 -61.0 325 25 365.2 365.2 299.7 365.3 0.02 26 100 15320 -64.7 -74.7 24 10.0 -64.8 345 17 402.7 402.7 305.6 402.8 0.02 27 80 16676 -67.1 -77.1 23 10.0 -67.2 345 17 424.3 424.3 308.2 424.4 0.01 28 70 17480 -68.7 -78.7 22 10.0 -68.8 345 17 437.4 437.4 309.6 437.5 0.01 29 50 19470 -72.9 -82.9 21 10.0 -73.0 5 17 471.7 471.7 312.8 471.7 0.01 30 30 22430 -77.5 -87.5 19 10.0 -77.6 360 15 533.4 533.4 317.1 533.4 0.01 31 29 22624 -77.7 -87.7 18 10.0 -77.8 538.0 538.0 317.4 538.0 0.01 TRP 283 8896 -65.1 -73.1 32 8.0 -65.1 260 15 298.5 298.5 280.7 298.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5039.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 49.74 % Est. max temperature: -4.85 C = 23.26 F Sfc-Lift cond lev (LCL): 960.67 mb = 508.75 m = 1669.10 ft T: -11.46 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.02 C Layer 850.0- 808.0 mb Conv cond level (CCL): 868.55 mb = 1273.66 m = 4178.64 ft Mean mixing ratio: 1.15 g/kg Conv temperature: -4.81 C = 23.34 F Cap Strength: 14.02 C Lifted Index: 14.30 C Risk: None Lifted Index @300 mb: 20.21 C Lifted Index @700 mb: 7.38 C Showalter Index: 13.13 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 16.80 C K Index: -8.70 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.43 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 41219.75 J/kg Cap Strength: 14.32 C Lift Cond Lev (LCL): 902.30 mb = 987.10 m = 3238.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 12 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 1023 26 200 7 2.4 6.6 | 131 12 -9.2 8.0 1 1000 201 230 19 14.6 12.2 | 192 14 3.0 13.7 2 925 799 250 5 4.7 1.7 | 115 8 -6.9 3.2 3 850 1436 300 7 6.1 -3.5 | 70 6 -5.5 -2.0 4 700 2862 250 17 16.0 5.8 | 211 8 4.4 7.3 5 500 5240 240 21 18.2 10.5 | 209 14 6.6 12.0 6 400 6730 245 23 20.8 9.7 | 220 15 9.3 11.2 7 300 8540 270 21 21.0 -0.0 | 261 10 9.4 1.5 8 283 8896 260 15 14.8 2.6 | 218 5 3.2 4.1 9 250 9650 300 17 14.7 -8.5 | 336 8 3.2 -7.0 10 200 11030 325 19 10.9 -15.6 | 3 14 -0.7 -14.1 11 150 12820 325 25 14.3 -20.5 | 352 19 2.8 -19.0 12 100 15320 345 17 4.4 -16.4 | 26 17 -7.2 -15.0 13 70 17480 345 17 4.4 -16.4 | 26 17 -7.2 -15.0 14 50 19470 5 17 -1.5 -16.9 | 40 20 -13.0 -15.5 15 30 22430 360 15 -0.0 -15.0 | 40 18 -11.6 -13.5 Wind Parameters Mean winds (0-6000m): 247.1 at 15.5 knts Storm direction: 277.1 at 11.7 knts Shear (0-3000m) pos: 1.9 neg: 2.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 80.1 deg Storm rel helicity (0-3000m) pos: 43.6 neg: -30.5 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.58 Bulk Shear: 2.71 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 ------------------------------------------------------------------------------- 500 230 14 177 11| 7.8 0.0 7.8| 43.6 -9.9 33.7 67.4 0.45| 21.7 9.8 1000 234 11 159 8| 3.7 0.0 3.7| 43.6 -22.5 21.1 21.1 0.08| 15.0 1.2 1500 246 9 149 6| 3.8 0.0 3.8| 43.6 -28.0 15.6 10.4 -0.04| 11.5 -0.5 2000 257 9 145 4| 2.8 1.2 4.0| 43.6 -28.6 15.0 7.5 -0.05| 9.8 -0.5 2500 259 10 153 4| 2.3 1.9 4.2| 43.6 -28.9 14.8 5.9 -0.02| 9.0 -0.2 3000 255 11 168 4| 1.9 2.3 4.2| 43.6 -30.5 13.1 4.4 -0.04| 8.3 -0.3 4000 252 13 186 5| 1.4 2.0 3.4| 43.6 -30.8 12.9 3.2 -0.04| 6.5 -0.2 5000 249 14 195 7| 1.1 1.8 2.9| 43.6 -31.8 11.9 2.4 -0.04| 5.4 -0.2 6000 247 16 200 8| 1.0 1.5 2.5| 48.7 -32.1 16.6 2.8 -0.02| 4.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251205.12.gif