UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U9862... Searching the city database file for: U9862 ... Date:1200Z 9 DEC 25 Station: U9862 WMO ident: 29862 Latitude: 53.77 Longitude: 91.32 ------------------------------------------------------------------------------- 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 1003 253 -20.7 -24.3 73 3.6 -21.1 360 3 252.2 252.3 251.8 253.7 0.53 1 1000 275 -20.5 -24.1 73 3.6 -21.0 5 5 252.6 252.7 252.2 254.1 0.54 2 973 478 -18.3 -21.6 75 3.3 -18.8 28 6 256.9 257.0 256.1 258.8 0.70 3 925 856 -18.1 -21.4 75 3.3 -18.6 70 7 260.8 260.9 259.3 262.9 0.75 4 850 1487 -18.3 -21.1 79 2.8 -18.8 130 3 267.0 267.1 264.1 269.3 0.83 5 847 1513 -18.5 -21.2 79 2.7 -19.0 128 3 267.0 267.2 264.2 269.4 0.83 6 834 1630 -16.9 -19.3 82 2.4 -17.4 118 3 269.9 270.1 266.5 272.7 0.99 7 817 1785 -17.5 -19.9 82 2.4 -17.9 105 3 270.9 271.0 267.1 273.6 0.96 8 750 2423 -20.9 -31.9 37 11.0 -22.2 49 4 273.9 273.9 268.0 275.0 0.35 9 700 2932 -23.3 -37.3 27 14.0 -24.6 5 5 276.7 276.7 269.5 277.4 0.22 10 611 3908 -28.1 -42.1 25 14.0 -29.2 343 11 282.1 282.2 272.7 282.6 0.15 11 528 4928 -37.3 -51.3 22 14.0 -37.8 319 17 283.1 283.1 273.1 283.3 0.06 12 500 5300 -38.9 -52.9 21 14.0 -39.4 310 19 285.6 285.6 274.5 285.8 0.06 13 400 6820 -45.7 -61.7 15 16.0 -46.0 300 35 295.6 295.6 279.4 295.7 0.02 14 368 7369 -47.9 -63.9 14 16.0 -48.2 300 39 299.8 299.8 281.3 299.9 0.02 15 300 8680 -57.7 -72.7 13 15.0 -57.8 300 50 304.0 304.0 283.0 304.0 0.01 16 279 9137 -60.5 -74.5 14 14.0 -60.6 300 47 306.4 306.4 284.0 306.4 0.01 17 250 9820 -62.3 -76.3 14 14.0 -62.4 300 42 313.4 313.4 286.5 313.5 0.00 18 238 10122 -63.7 -77.7 13 14.0 -63.8 295 46 315.8 315.8 287.3 315.8 0.00 19 200 11190 -62.9 -76.9 13 14.0 -63.0 290 46 333.2 333.2 292.6 333.2 0.01 20 150 12970 -62.5 -75.5 16 13.0 -62.6 285 44 362.4 362.4 299.2 362.4 0.01 21 133 13713 -61.3 -74.3 16 13.0 -61.4 284 44 377.2 377.2 301.8 377.3 0.01 22 100 15470 -63.5 -77.5 13 14.0 -63.7 280 44 405.0 405.0 305.9 405.1 0.01 23 72 17470 -66.9 -80.9 12 14.0 -67.1 271 51 437.7 437.7 309.7 437.8 0.01 24 70 17640 -66.1 -80.1 12 14.0 -66.2 270 52 443.0 443.0 310.2 443.0 0.01 25 50 19700 -63.7 -78.7 11 15.0 -64.0 260 56 493.4 493.4 314.5 493.5 0.02 26 48 19949 -63.5 -78.5 11 15.0 -63.8 260 58 499.6 499.6 314.9 499.7 0.02 27 33 22216 -68.3 -83.3 10 15.0 -68.6 260 76 543.4 543.4 317.7 543.5 0.01 28 30 22790 -65.5 -80.5 11 15.0 -65.9 260 81 566.1 566.1 319.0 566.2 0.02 29 20 25280 -60.1 -76.1 11 16.0 -61.3 250 97 652.2 652.2 322.8 652.7 0.06 30 17 26293 -60.4 -76.4 11 16.0 -61.7 250 99 682.2 682.2 323.9 682.7 0.07 31 15 27073 -60.7 -76.7 10 16.0 -62.1 706.1 706.2 324.7 706.8 0.07 TRP 238 10122 -63.7 -77.7 13 14.0 -63.8 295 46 315.8 315.8 287.3 315.8 0.00 WND 17 26293 -60.4 -76.4 11 16.0 -61.7 250 99 682.2 682.2 323.9 682.7 0.07 Sounding variables and indices 1000-500 mb thick: 5025.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 44.67 % Est. max temperature: -6.21 C = 20.83 F Sfc-Lift cond lev (LCL): 945.04 mb = 695.99 m = 2283.40 ft T: -18.18 C 700-500 lapse rate: 6.59 C/km ThetaE index: 0.00 C Layer 1003.0- -0.0 mb Conv cond level (CCL): 645.07 mb = 3518.69 m = 11544.12 ft Mean mixing ratio: 0.70 g/kg Conv temperature: 7.05 C = 44.69 F Cap Strength: 19.34 C Lifted Index: 20.96 C Risk: None Lifted Index @300 mb: 31.11 C Lifted Index @700 mb: 15.44 C Showalter Index: 13.52 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.80 C K Index: -14.50 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.30 J/kg Max Up Vert Vel: 8.04 m/s Conv Inhibition (B-): 56215.92 J/kg Cap Strength: 20.85 C Lift Cond Lev (LCL): 901.57 mb = 1047.44 m = 3436.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 8 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 1003 253 360 3 -0.0 -3.0 | 169 5 -1.0 5.0 1 1000 275 5 5 -0.4 -5.0 | 155 3 -1.4 3.0 2 925 856 70 7 -6.6 -2.4 | 127 9 -7.5 5.6 3 850 1487 130 3 -2.3 1.9 | 162 10 -3.3 9.9 4 700 2932 5 5 -0.4 -5.0 | 155 3 -1.4 3.0 5 500 5300 310 19 14.6 -12.2 | 287 14 13.6 -4.2 6 400 6820 300 35 30.3 -17.5 | 288 31 29.3 -9.5 7 300 8680 300 50 43.3 -25.0 | 292 46 42.3 -17.0 8 250 9820 300 42 36.4 -21.0 | 290 38 35.4 -13.0 9 238 10122 295 46 41.7 -19.4 | 286 42 40.7 -11.4 10 200 11190 290 46 43.2 -15.7 | 280 43 42.3 -7.7 11 150 12970 285 44 42.5 -11.4 | 275 42 41.5 -3.4 12 100 15470 280 44 43.3 -7.6 | 269 42 42.4 0.4 13 70 17640 270 52 52.0 -0.0 | 261 52 51.0 8.0 14 50 19700 260 56 55.1 9.7 | 252 57 54.2 17.7 15 30 22790 260 81 79.8 14.1 | 254 82 78.8 22.1 16 20 25280 250 97 91.2 33.2 | 245 99 90.2 41.2 Wind Parameters Mean winds (0-6000m): 323.1 at 10.8 knts Storm direction: 353.1 at 8.1 knts Shear (0-3000m) pos: 1.0 neg: 1.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): -19.9 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -11.7 tot: 7.0 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.22 Bulk Shear: 14.52 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 35 6 128 5| 5.8 0.0 5.8| 0.2 -4.0 -3.8 -7.7 -0.47| 7.6 -3.5 1000 60 6 130 8| 3.1 0.0 3.1| 12.6 -4.0 8.6 8.6 0.09| 6.8 0.6 1500 70 5 138 8| 2.1 0.4 2.5| 17.6 -6.5 11.1 7.4 0.13| 5.6 0.7 2000 72 5 140 9| 1.6 0.8 2.4| 17.6 -10.9 6.7 3.4 0.01| 4.9 0.1 2500 62 5 139 8| 1.3 1.3 2.6| 18.0 -11.6 6.4 2.6 0.01| 4.6 0.0 3000 47 5 137 7| 1.0 1.6 2.7| 18.7 -11.7 7.0 2.3 0.03| 4.4 0.1 4000 13 6 132 3| 0.8 2.1 2.9| 18.7 -12.5 6.2 1.6 0.03| 4.3 0.1 5000 339 8 257 2| 0.6 2.4 3.0| 18.7 -21.5 -2.8 -0.6 -0.06| 4.3 -0.2 6000 323 11 276 6| 0.5 2.9 3.4| 21.2 -22.5 -1.2 -0.2 -0.04| 4.5 -0.2 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20251209.12.gif