UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U8695... Searching the city database file for: U8695 ... Date:1200Z 8 DEC 25 Station: U8695 WMO ident: 28695 ------------------------------------------------------------------------------- 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 93 -19.3 -23.6 69 4.3 -19.8 45 11 252.3 252.4 252.0 253.8 0.56 1 1000 247 -21.7 -26.6 65 4.9 -22.2 55 13 251.4 251.5 250.9 252.6 0.43 2 998 262 -21.9 -26.8 64 4.9 -22.4 56 13 251.4 251.5 250.8 252.6 0.43 3 944 675 -16.7 -22.7 60 6.0 -17.6 73 20 260.7 260.8 259.1 262.5 0.65 4 925 828 -15.9 -22.9 55 7.0 -17.0 80 23 263.1 263.2 260.9 264.9 0.65 5 902 1018 -14.3 -24.3 42 10.0 -15.9 76 19 266.6 266.7 263.4 268.3 0.59 6 850 1468 -14.7 -30.7 24 16.0 -16.9 65 11 270.7 270.8 265.8 271.8 0.35 7 793 1993 -15.5 -35.5 16 20.0 -18.0 45 10 275.3 275.4 268.7 276.1 0.23 8 760 2312 -17.1 -39.1 13 22.0 -19.5 33 10 277.0 277.0 269.6 277.5 0.17 9 700 2925 -20.5 -30.5 40 10.0 -21.8 10 9 279.8 279.9 271.8 281.1 0.43 10 692 3010 -20.5 -30.5 40 10.0 -21.8 7 9 280.7 280.8 272.3 282.1 0.44 11 536 4847 -34.9 -43.9 39 9.0 -35.4 299 12 284.8 284.8 274.2 285.3 0.15 12 500 5330 -37.3 -44.3 48 7.0 -37.7 280 13 287.6 287.6 275.6 288.1 0.15 13 441 6186 -42.9 -48.9 52 6.0 -43.1 269 28 291.0 291.0 277.3 291.3 0.10 14 432 6325 -42.7 -47.7 58 5.0 -42.9 267 31 293.0 293.0 278.3 293.4 0.12 15 400 6840 -46.3 -52.3 51 6.0 -46.5 260 40 294.8 294.8 279.1 295.1 0.08 16 327 8153 -55.3 -63.3 36 8.0 -55.4 260 50 299.9 299.9 281.3 300.0 0.02 17 300 8700 -58.3 -66.3 35 8.0 -58.4 260 54 303.2 303.2 282.7 303.2 0.02 18 282 9086 -60.3 -68.3 34 8.0 -60.4 262 52 305.7 305.7 283.7 305.8 0.01 19 251 9805 -62.7 -70.7 33 8.0 -62.7 265 48 312.5 312.5 286.2 312.5 0.01 20 250 9830 -62.3 -70.3 33 8.0 -62.4 265 48 313.4 313.4 286.6 313.5 0.01 21 204 11078 -62.7 -70.7 33 8.0 -62.8 270 39 331.6 331.6 292.2 331.6 0.01 22 200 11200 -62.1 -70.1 34 8.0 -62.2 270 38 334.4 334.4 292.9 334.5 0.02 23 170 12216 -59.7 -68.7 30 9.0 -59.8 276 39 354.3 354.3 297.5 354.4 0.02 24 150 13000 -61.1 -70.1 29 9.0 -61.2 280 40 364.8 364.8 299.7 364.9 0.02 25 100 15490 -64.1 -74.1 24 10.0 -64.3 270 44 403.9 403.9 305.7 404.0 0.02 26 96 15740 -64.7 -74.7 24 10.0 -64.8 270 44 407.4 407.5 306.2 407.5 0.02 27 78 17011 -64.1 -75.1 21 11.0 -64.3 270 45 433.6 433.6 309.2 433.7 0.02 28 70 17670 -67.1 -78.1 20 11.0 -67.2 270 46 440.8 440.8 310.0 440.9 0.01 29 65 18115 -68.5 -79.5 19 11.0 -68.6 270 47 447.2 447.2 310.6 447.3 0.01 30 51 19562 -70.3 -81.3 18 11.0 -70.4 270 50 475.1 475.1 313.1 475.2 0.01 31 50 19680 -68.7 -79.7 19 11.0 -68.9 270 50 481.6 481.6 313.6 481.7 0.01 32 45 20310 -67.3 -78.3 20 11.0 -67.5 268 52 499.7 499.7 314.9 499.8 0.02 33 30 22720 -71.5 -83.5 15 12.0 -71.7 260 60 549.7 549.7 318.1 549.8 0.01 34 23 24287 -72.7 -84.7 15 12.0 -72.9 260 69 589.6 589.6 320.1 589.7 0.01 35 20 25110 -71.9 -83.9 15 12.0 -72.2 260 73 616.1 616.1 321.3 616.2 0.02 36 10 29280 -63.3 -76.3 16 13.0 -64.7 265 91 783.3 783.3 326.8 784.4 0.12 37 7.0 31484 -61.1 -74.1 16 13.0 -63.4 255 106 876.6 876.7 329.0 879.2 0.24 38 6.8 31664 -60.9 -73.9 16 13.0 -63.3 884.6 884.7 329.2 887.4 0.25 TRP 251 9805 -62.7 -70.7 33 8.0 -62.7 265 48 312.5 312.5 286.2 312.5 0.01 WND 7.0 31484 -61.1 -74.1 16 13.0 -63.4 255 106 876.6 876.7 329.0 879.2 0.24 Sounding variables and indices 1000-500 mb thick: 5083.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 38.20 % Est. max temperature: -2.51 C = 27.48 F Sfc-Lift cond lev (LCL): 951.16 mb = 618.94 m = 2030.62 ft T: -17.41 C 700-500 lapse rate: 6.99 C/km ThetaE index: 1.29 C Layer 1000.0- 944.0 mb Conv cond level (CCL): 588.41 mb = 4176.30 m = 13701.62 ft Mean mixing ratio: 0.56 g/kg Conv temperature: 11.93 C = 53.47 F Cap Strength: 22.38 C Lifted Index: 24.20 C Risk: None Lifted Index @300 mb: 31.91 C Lifted Index @700 mb: 19.97 C Showalter Index: 13.13 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 6.60 C K Index: -18.10 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.95 J/kg Max Up Vert Vel: 8.94 m/s Conv Inhibition (B-): 78717.92 J/kg Cap Strength: 23.83 C Lift Cond Lev (LCL): 887.34 mb = 1142.38 m = 3747.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 at 10 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 93 45 11 -7.8 -7.8 | 106 3 -2.8 0.8 1 1000 247 55 13 -10.6 -7.5 | 101 6 -5.7 1.1 2 925 828 80 23 -22.7 -4.0 | 105 18 -17.7 4.6 3 850 1468 65 11 -10.0 -4.6 | 128 6 -5.0 3.9 4 700 2925 10 9 -1.6 -8.9 | 275 3 3.4 -0.3 5 500 5330 280 13 12.8 -2.3 | 250 19 17.7 6.3 6 400 6840 260 40 39.4 6.9 | 251 47 44.3 15.5 7 300 8700 260 54 53.2 9.4 | 253 61 58.1 18.0 8 251 9805 265 48 47.8 4.2 | 256 54 52.8 12.8 9 250 9830 265 48 47.8 4.2 | 256 54 52.8 12.8 10 200 11200 270 38 38.0 -0.0 | 259 44 42.9 8.6 11 150 13000 280 40 39.4 -6.9 | 268 44 44.3 1.6 12 100 15490 270 44 44.0 -0.0 | 260 50 48.9 8.6 13 70 17670 270 46 46.0 -0.0 | 260 52 50.9 8.6 14 50 19680 270 50 50.0 -0.0 | 261 56 54.9 8.6 15 30 22720 260 60 59.1 10.4 | 253 67 64.0 19.0 16 20 25110 260 73 71.9 12.7 | 255 80 76.8 21.3 17 10 29280 265 91 90.7 7.9 | 260 97 95.6 16.5 Wind Parameters Mean winds (0-6000m): 359.9 at 13.2 knts Storm direction: 29.9 at 9.9 knts Shear (0-3000m) pos: 1.7 neg: 3.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 172.7 deg Storm rel helicity (0-3000m) pos: 16.3 neg: -1.9 tot: 14.4 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.51 Bulk Shear: 26.46 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 60 15 100 8| 10.4 0.0 10.4| 1.0 -1.1 -0.0 -0.1 -0.04| 10.4 -0.4 1000 71 18 103 12| 5.1 0.0 5.1| 8.6 -1.1 7.5 7.5 0.07| 10.0 0.7 1500 71 16 107 11| 3.4 2.7 6.1| 15.9 -1.4 14.6 9.7 0.16| 9.5 1.5 2000 68 15 108 9| 2.6 2.8 5.4| 15.9 -1.9 14.0 7.0 0.13| 8.0 1.0 2500 63 14 107 8| 2.0 2.9 5.0| 16.0 -1.9 14.2 5.7 0.15| 7.1 1.1 3000 58 13 105 6| 1.7 3.0 4.7| 16.3 -1.9 14.4 4.8 0.14| 6.5 0.9 4000 45 12 88 4| 1.3 3.1 4.3| 16.5 -4.8 11.6 2.9 0.10| 5.7 0.6 5000 30 12 31 2| 1.0 3.0 4.0| 16.5 -22.1 -5.6 -1.1 -0.00| 5.4 -0.0 6000 360 13 313 7| 0.9 3.8 4.6| 25.4 -28.8 -3.4 -0.6 0.00| 5.9 0.0 Wrote GIF file: /home/apache/climate/data/raob//U8695/skewt/U8695.skewt.20251208.12.gif