UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121811.upa.cvt Date: 1100Z 18 DEC 25 Searching for 89571... Searching the city database file for: 89571 ... Date:1100Z 18 DEC 25 Station: 89571 WMO ident: 89571 Latitude: -68.57 Longitude: 77.95 Elevation: 13.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -148 SFC 980 13 1.6 -8.4 47 10.0 -1.8 250 7 276.3 276.7 272.4 282.2 2.07 2 975 54 -0.9 -8.9 55 8.0 -3.5 262 7 274.2 274.6 271.0 279.8 2.00 3 957 203 -1.9 -9.9 54 8.0 -4.4 303 8 274.7 275.0 271.1 280.0 1.88 4 925 473 -3.3 -9.3 63 6.0 -5.2 20 9 275.9 276.3 272.1 281.7 2.04 5 850 1135 -9.3 -11.4 85 2.1 -9.9 65 10 276.4 276.7 272.1 281.7 1.88 6 821 1402 -11.7 -11.7 100 0.0 -11.7 68 10 276.6 276.9 272.3 282.0 1.90 7 764 1950 -15.7 -15.8 99 0.1 -15.7 73 9 278.1 278.3 272.5 282.3 1.46 8 754 2049 -15.3 -19.5 70 4.2 -16.2 74 9 279.5 279.7 272.7 282.7 1.08 9 709 2512 -18.1 -30.1 34 12.0 -19.8 79 9 281.4 281.5 272.8 282.8 0.44 10 700 2607 -18.7 -32.7 28 14.0 -20.5 80 9 281.8 281.8 272.8 282.9 0.35 11 685 2768 -19.7 -33.7 28 14.0 -21.5 91 9 282.4 282.5 273.1 283.4 0.32 12 668 2953 -19.5 -38.5 17 19.0 -21.6 104 9 284.7 284.7 274.2 285.3 0.21 13 554 4318 -27.1 -53.1 7 26.0 -28.7 202 10 291.3 291.3 277.4 291.5 0.05 14 500 5050 -30.7 -52.7 10 22.0 -31.9 255 10 295.6 295.6 279.4 295.8 0.06 15 496 5107 -30.9 -52.9 10 22.0 -32.1 255 10 296.0 296.1 279.7 296.2 0.06 16 400 6620 -36.3 -59.3 8 23.0 -37.2 250 10 307.8 307.8 284.5 307.9 0.03 17 392 6760 -36.5 -56.5 11 20.0 -37.4 250 10 309.3 309.3 285.1 309.5 0.05 18 332 7894 -42.1 -56.1 20 14.0 -42.6 250 9 316.7 316.7 287.8 316.9 0.06 19 300 8570 -47.3 -56.3 35 9.0 -47.6 250 9 318.7 318.7 288.4 318.9 0.06 20 299 8592 -47.5 -56.5 35 9.0 -47.8 250 9 318.7 318.7 288.4 318.9 0.06 21 280 9026 -51.1 -56.1 55 5.0 -51.2 256 10 319.6 319.6 288.7 319.8 0.07 22 274 9167 -52.1 -56.2 61 4.1 -52.2 257 10 320.1 320.1 288.9 320.4 0.07 23 250 9760 -55.5 -61.5 47 6.0 -55.6 265 12 323.6 323.6 289.9 323.7 0.04 24 242 9966 -56.7 -62.7 47 6.0 -56.8 265 15 324.8 324.8 290.2 324.9 0.03 25 232 10232 -57.1 -69.1 20 12.0 -57.2 284 14 328.1 328.1 291.2 328.2 0.01 26 228 10342 -55.5 -76.5 6 21.0 -55.7 292 14 332.2 332.2 292.3 332.2 0.01 27 217 10659 -50.9 -78.9 2 28.0 -51.3 314 13 344.0 344.0 295.3 344.1 0.00 28 214 10749 -50.1 -78.1 2 28.0 -50.5 320 12 346.7 346.7 295.9 346.7 0.00 29 200 11190 -49.5 -80.5 1 31.0 -50.0 350 11 354.4 354.4 297.5 354.4 0.00 30 171 12227 -45.3 -79.3 1 34.0 -46.2 355 12 377.6 377.6 301.9 377.6 0.00 31 150 13100 -46.3 -80.3 1 34.0 -47.3 360 13 390.3 390.3 303.8 390.3 0.00 32 136 13749 -47.3 -81.3 1 34.0 -48.2 6 13 399.6 399.6 305.2 399.6 0.00 33 122 14472 -43.7 -79.7 1 36.0 -45.2 13 12 418.8 418.8 307.6 418.8 0.01 34 101 15743 -42.7 -79.7 1 37.0 -44.6 24 12 444.0 444.0 310.3 444.0 0.01 35 100 15810 -42.9 -79.9 1 37.0 -44.7 25 12 444.8 444.8 310.4 444.9 0.01 36 70 18230 -40.3 -79.3 1 39.0 -43.4 30 11 498.2 498.2 314.8 498.2 0.01 37 50 20530 -38.3 -79.3 1 41.0 -42.9 65 13 553.2 553.2 318.3 553.3 0.01 38 40 22060 -39.9 -79.9 1 40.0 -44.7 69 17 585.6 585.6 319.9 585.8 0.02 39 30 24040 -36.5 -79.5 0 43.0 -43.6 75 23 645.1 645.1 322.5 645.3 0.02 40 28 24520 -35.3 -78.3 0 43.0 -43.3 74 24 661.3 661.3 323.1 661.6 0.03 41 23 25887 -36.7 -78.7 0 42.0 -44.9 72 26 695.5 695.5 324.3 695.8 0.04 42 20 26860 -34.5 -77.5 0 43.0 -44.4 70 28 730.6 730.6 325.4 731.0 0.05 43 12 30465 -29.9 -74.9 0 45.0 -45.2 861.8 861.9 328.7 863.1 0.12 44 12 30465 -29.9 -74.9 0 45.0 -45.2 861.8 861.9 328.7 863.1 0.12 45 12 30465 -30.1 -75.1 0 45.0 -45.3 861.1 861.2 328.7 862.3 0.12 TRP 242 9966 -56.7 -62.7 47 6.0 -56.8 265 15 324.8 324.8 290.2 324.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: 976.80 mb = 39.29 m = 128.92 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 42.83 % Est. max temperature: 1.81 C = 35.26 F Sfc-Lift cond lev (LCL): 838.32 mb = 1241.55 m = 4073.28 ft T: -10.26 C 700-500 lapse rate: 4.91 C/km ThetaE index: 2.35 C Layer 975.0- 957.0 mb Conv cond level (CCL): 827.80 mb = 1338.79 m = 4392.32 ft Mean mixing ratio: 1.97 g/kg Conv temperature: 1.83 C = 35.29 F Cap Strength: 9.47 C Lifted Index: 12.41 C Risk: None Lifted Index @300 mb: 26.68 C Lifted Index @700 mb: 3.19 C Showalter Index: 11.88 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.30 C K Index: -4.00 Risk: None Sweat Index: 30.00 Risk: None Energy Index: 2.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.03 J/kg Max Up Vert Vel: 4.01 m/s Conv Inhibition (B-): 65744.49 J/kg Cap Strength: 12.33 C Lift Cond Lev (LCL): 841.00 mb = 1216.92 m = 3992.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 76 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 ---------------------------------------------------------- 0 980 13 250 7 6.6 2.4 | 253 14 13.5 4.1 1 925 473 20 9 -3.1 -8.5 | 331 8 3.8 -6.8 2 850 1135 65 10 -9.1 -4.2 | 40 3 -2.2 -2.6 3 700 2607 80 9 -8.9 -1.6 | 93 2 -2.0 0.1 4 500 5050 255 10 9.7 2.6 | 256 17 16.6 4.3 5 400 6620 250 10 9.4 3.4 | 253 17 16.3 5.1 6 300 8570 250 9 8.5 3.1 | 253 16 15.4 4.8 7 250 9760 265 12 12.0 1.0 | 262 19 18.9 2.7 8 242 9966 265 15 14.9 1.3 | 262 22 21.8 3.0 9 200 11190 350 11 1.9 -10.8 | 316 13 8.8 -9.2 10 150 13100 360 13 -0.0 -13.0 | 329 13 6.9 -11.3 11 100 15810 25 12 -5.1 -10.9 | 349 9 1.8 -9.2 12 70 18230 30 11 -5.5 -9.5 | 350 8 1.4 -7.9 13 50 20530 65 13 -11.8 -5.5 | 52 6 -4.9 -3.8 14 30 24040 75 23 -22.2 -6.0 | 74 16 -15.3 -4.3 15 20 26860 70 28 -26.3 -9.6 | 68 21 -19.4 -7.9 Wind Parameters Mean winds (0-6000m): 46.4 at 9.5 knts Storm direction: 76.4 at 7.1 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -93.8 deg Storm rel helicity (0-3000m) pos: 65.3 neg: 0.0 tot: 65.3 m^2/s^2 ave: 21.8 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.62 Bulk Shear: 12.86 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 ------------------------------------------------------------------------------- 500 339 8 301 11| 15.2 0.0 15.2| 53.4 0.0 53.4 106.7 0.90| 19.1 17.1 1000 24 9 332 7| 8.6 0.0 8.6| 59.8 0.0 59.8 59.8 0.87| 12.5 10.8 1500 43 9 352 5| 5.7 0.0 5.7| 61.5 0.0 61.5 41.0 0.87| 9.1 7.8 2000 52 9 6 4| 4.2 0.0 4.2| 62.0 0.0 62.0 31.0 0.86| 7.0 6.1 2500 58 9 17 3| 3.3 0.0 3.3| 62.5 0.0 62.5 25.0 0.87| 5.8 5.0 3000 64 9 31 3| 2.6 0.0 2.6| 65.3 0.0 65.3 21.8 0.85| 5.7 4.8 4000 79 9 89 2| 1.2 0.0 1.2| 86.2 0.0 86.2 21.5 0.81| 5.8 4.7 5000 63 9 30 3| 0.3 0.0 0.3|133.9 0.0 133.9 26.8 0.84| 5.9 4.9 6000 46 9 359 5| 0.3 0.0 0.3|135.8 -2.3 133.6 22.3 0.82| 5.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//89571/skewt/89571.skewt.20251218.11.gif