UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 10 DEC 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1036 70 -17.3 -19.1 86 1.8 -17.6 210 5 253.3 253.4 253.3 255.4 0.81 1 1006 290 -20.7 -23.1 81 2.4 -21.0 239 12 252.0 252.1 251.8 253.6 0.59 2 1000 334 -20.1 -22.3 83 2.2 -20.4 245 13 253.1 253.1 252.8 254.8 0.64 3 984 455 -16.5 -18.5 84 2.0 -16.9 244 13 257.8 258.0 257.3 260.3 0.90 4 961 634 -12.7 -15.6 79 2.9 -13.3 242 14 263.4 263.6 262.2 266.7 1.18 5 932 869 -10.1 -20.1 44 10.0 -12.1 240 15 268.4 268.5 265.1 270.8 0.83 6 930 885 -10.1 -20.1 44 10.0 -12.1 240 15 268.6 268.7 265.3 270.9 0.83 7 925 927 -10.1 -21.1 40 11.0 -12.3 240 15 269.0 269.1 265.4 271.2 0.77 8 881 1301 -11.7 -24.7 33 13.0 -14.0 252 14 271.1 271.2 266.5 272.8 0.59 9 850 1576 -11.3 -27.3 25 16.0 -14.0 260 13 274.3 274.4 268.5 275.7 0.48 10 840 1667 -11.3 -29.3 21 18.0 -14.2 261 13 275.2 275.3 269.0 276.5 0.40 11 761 2419 -14.9 -30.9 24 16.0 -17.3 271 14 279.2 279.3 271.4 280.4 0.38 12 746 2569 -14.3 -32.3 20 18.0 -16.9 273 14 281.5 281.5 272.6 282.6 0.34 13 734 2692 -15.1 -35.1 16 20.0 -17.8 275 15 281.9 282.0 272.8 282.8 0.26 14 700 3049 -17.1 -39.1 13 22.0 -19.6 280 15 283.5 283.6 273.5 284.2 0.18 15 577 4475 -26.1 -49.1 10 23.0 -27.7 317 18 289.1 289.1 276.3 289.4 0.08 16 540 4952 -28.5 -44.5 20 16.0 -29.7 330 20 291.8 291.8 277.8 292.3 0.14 17 500 5500 -32.5 -43.5 33 11.0 -33.3 345 21 293.4 293.4 278.6 294.0 0.16 18 400 7030 -43.5 -49.5 51 6.0 -43.7 350 31 298.5 298.5 280.8 298.8 0.10 19 374 7478 -47.1 -53.1 50 6.0 -47.3 349 33 299.5 299.5 281.2 299.7 0.07 20 300 8900 -57.9 -63.9 46 6.0 -58.0 345 38 303.7 303.7 282.9 303.8 0.02 21 295 9006 -58.5 -64.5 46 6.0 -58.6 345 39 304.3 304.3 283.2 304.4 0.02 22 285 9223 -58.1 -64.1 46 6.0 -58.2 345 42 307.9 307.9 284.6 308.0 0.02 23 250 10040 -62.9 -68.9 44 6.0 -63.0 345 52 312.6 312.6 286.2 312.6 0.01 24 204 11272 -70.9 -76.9 41 6.0 -70.9 340 54 318.7 318.7 288.3 318.7 0.01 25 200 11390 -70.7 -76.7 41 6.0 -70.7 340 52 320.8 320.8 289.0 320.8 0.01 26 189 11724 -71.3 -77.3 40 6.0 -71.3 338 51 325.1 325.1 290.3 325.1 0.01 27 181 11980 -70.7 -76.7 41 6.0 -70.7 337 51 330.1 330.1 291.7 330.1 0.01 28 150 13100 -67.5 -73.5 42 6.0 -67.5 330 48 353.8 353.8 297.4 353.9 0.01 29 124 14253 -67.1 -73.1 42 6.0 -67.2 323 44 374.3 374.3 301.3 374.4 0.02 30 118 14553 -67.7 -73.7 42 6.0 -67.8 321 43 378.6 378.6 302.1 378.6 0.02 31 117 14604 -67.7 -73.7 42 6.0 -67.8 321 43 379.5 379.5 302.2 379.6 0.02 32 100 15550 -68.5 -74.5 42 6.0 -68.5 315 40 395.4 395.4 304.6 395.5 0.02 33 85 16520 -70.3 -76.3 41 6.0 -70.4 410.5 410.5 306.6 410.6 0.01 TRP 204 11272 -70.9 -76.9 41 6.0 -70.9 340 54 318.7 318.7 288.3 318.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5166.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 27.98 % Est. max temperature: 0.45 C = 32.82 F Sfc-Lift cond lev (LCL): 1005.92 mb = 290.19 m = 952.05 ft T: -20.69 C 700-500 lapse rate: 6.28 C/km ThetaE index: 1.83 C Layer 1006.0-1000.0 mb Conv cond level (CCL): 1006.00 mb = 289.62 m = 950.19 ft Mean mixing ratio: 0.87 g/kg Conv temperature: -16.52 C = 2.27 F Cap Strength: 26.21 C Lifted Index: 26.95 C Risk: None Lifted Index @300 mb: 30.53 C Lifted Index @700 mb: 21.20 C Showalter Index: 14.77 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 5.20 C K Index: -28.10 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.22 J/kg Max Up Vert Vel: 11.93 m/s Conv Inhibition (B-): 25494.12 J/kg Cap Strength: 26.80 C Lift Cond Lev (LCL): 938.73 mb = 813.70 m = 2669.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 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 1036 70 210 5 2.5 4.3 | 164 15 -4.1 14.6 1 1000 334 245 13 11.8 5.5 | 198 17 5.1 15.8 2 925 927 240 15 13.0 7.5 | 200 19 6.3 17.8 3 850 1576 260 13 12.8 2.3 | 206 14 6.2 12.5 4 700 3049 280 15 14.8 -2.6 | 227 11 8.1 7.7 5 500 5500 345 21 5.4 -20.3 | 7 10 -1.2 -10.0 6 400 7030 350 31 5.4 -30.5 | 4 20 -1.3 -20.3 7 300 8900 345 38 9.8 -36.7 | 353 27 3.2 -26.4 8 250 10040 345 52 13.5 -50.2 | 350 41 6.8 -40.0 9 204 11272 340 54 18.5 -50.7 | 344 42 11.8 -40.5 10 200 11390 340 52 17.8 -48.9 | 344 40 11.1 -38.6 11 150 13100 330 48 24.0 -41.6 | 331 36 17.4 -31.3 12 100 15550 315 40 28.3 -28.3 | 310 28 21.6 -18.0 Wind Parameters Mean winds (0-6000m): 297.1 at 16.3 knts Storm direction: 327.1 at 12.2 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 63.2 deg Storm rel helicity (0-3000m) pos: 66.8 neg: 0.0 tot: 66.8 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.83 Bulk Shear: 25.19 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 ------------------------------------------------------------------------------- 500 240 11 191 16| 10.3 0.0 10.3| 41.9 0.0 41.9 83.8 0.93| 10.9 10.1 1000 241 13 195 17| 5.6 0.0 5.6| 45.8 0.0 45.8 45.8 0.83| 6.6 5.5 1500 245 13 198 17| 3.6 0.0 3.6| 51.4 0.0 51.4 34.3 0.71| 5.8 4.1 2000 249 13 201 16| 3.0 0.0 3.0| 56.7 0.0 56.7 28.3 0.72| 4.8 3.5 2500 254 13 204 15| 2.7 0.0 2.7| 61.7 0.0 61.7 24.7 0.73| 4.2 3.1 3000 258 14 207 15| 2.4 0.0 2.4| 66.8 0.0 66.8 22.3 0.74| 3.8 2.8 4000 268 14 215 13| 2.4 0.0 2.4| 83.3 0.0 83.3 20.8 0.78| 3.9 3.0 5000 282 15 229 11| 2.4 0.0 2.4| 99.6 0.0 99.6 19.9 0.82| 4.0 3.3 6000 297 16 250 8| 2.5 0.0 2.5|107.9 -1.4 106.5 17.7 0.75| 4.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251210.00.gif