UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 7 JAN 26 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1015 87 -13.7 -20.7 55 7.0 -14.9 305 9 258.3 258.5 257.3 260.3 0.72 1 1000 200 -14.3 -21.3 55 7.0 -15.4 305 11 258.9 259.0 257.7 260.8 0.70 2 932 734 -16.9 -23.9 55 7.0 -17.9 310 29 261.5 261.6 259.6 263.1 0.59 3 925 791 -16.9 -23.9 55 7.0 -17.9 310 31 262.0 262.1 260.0 263.7 0.60 4 882 1149 -16.1 -24.1 50 8.0 -17.4 324 34 266.4 266.5 263.4 268.2 0.62 5 850 1426 -18.1 -27.1 45 9.0 -19.3 335 36 267.2 267.3 263.6 268.6 0.49 6 785 2014 -23.1 -30.1 53 7.0 -23.9 327 35 268.0 268.0 264.0 269.2 0.40 7 739 2455 -24.1 -29.1 63 5.0 -24.7 321 34 271.6 271.6 266.7 272.9 0.47 8 700 2850 -24.9 -35.9 35 11.0 -25.9 315 33 274.9 275.0 268.5 275.7 0.25 9 697 2881 -24.9 -35.9 35 11.0 -25.9 315 33 275.2 275.3 268.7 276.0 0.26 10 674 3125 -26.3 -40.3 26 14.0 -27.4 315 35 276.3 276.4 269.2 276.9 0.17 11 500 5230 -39.1 -56.1 15 17.0 -39.6 315 52 285.4 285.4 274.3 285.5 0.04 12 408 6590 -47.5 -62.5 16 15.0 -47.8 310 67 291.6 291.6 277.5 291.7 0.02 13 400 6720 -49.1 -64.1 16 15.0 -49.3 310 68 291.2 291.2 277.3 291.2 0.02 14 362 7369 -54.1 -69.1 14 15.0 -54.2 308 77 292.9 292.9 278.1 293.0 0.01 15 322 8120 -54.9 -68.9 16 14.0 -55.1 306 88 301.8 301.8 282.1 301.8 0.01 16 300 8570 -57.5 -71.5 15 14.0 -57.6 305 95 304.3 304.3 283.1 304.3 0.01 17 290 8784 -58.5 -72.2 16 13.7 -58.6 305 97 305.8 305.8 283.7 305.8 0.01 18 266 9324 -61.1 -74.1 16 13.0 -61.2 305 93 309.7 309.7 285.2 309.7 0.01 19 250 9710 -60.7 -73.7 16 13.0 -60.8 305 91 315.8 315.8 287.3 315.9 0.01 20 209 10817 -61.3 -74.3 16 13.0 -61.4 301 78 331.5 331.5 292.1 331.5 0.01 21 200 11090 -60.3 -73.3 17 13.0 -60.4 300 75 337.3 337.3 293.6 337.3 0.01 22 168 12177 -59.5 -73.5 15 14.0 -59.7 300 67 355.8 355.9 297.9 355.9 0.01 23 150 12880 -62.7 -76.7 14 14.0 -62.9 300 62 362.1 362.1 299.1 362.1 0.01 24 148 12963 -63.1 -77.1 13 14.0 -63.2 300 62 362.8 362.8 299.2 362.8 0.01 25 100 15360 -65.5 -79.5 13 14.0 -65.6 285 62 401.2 401.2 305.3 401.2 0.01 26 72 17368 -64.1 -79.1 11 15.0 -64.3 280 68 443.7 443.7 310.3 443.7 0.01 27 70 17540 -64.9 -79.9 11 15.0 -65.1 280 68 445.5 445.5 310.4 445.6 0.01 28 64 18082 -67.1 -82.1 10 15.0 -67.2 280 70 452.3 452.3 311.1 452.3 0.01 29 56 18895 -62.7 -78.7 10 16.0 -63.0 280 73 479.9 479.9 313.4 480.0 0.01 30 50 19590 -63.7 -78.7 11 15.0 -64.0 280 75 493.4 493.4 314.5 493.5 0.02 31 48 19841 -63.5 -78.5 11 15.0 -63.8 499.6 499.6 314.9 499.7 0.02 32 37 21411 -70.7 -85.7 9 15.0 -70.9 519.8 519.8 316.3 519.8 0.01 33 35 21744 -66.7 -82.7 9 16.0 -67.0 538.5 538.5 317.5 538.6 0.01 34 30 22681 -64.5 -80.5 9 16.0 -65.0 568.8 568.8 319.1 568.9 0.02 TRP 266 9324 -61.1 -74.1 16 13.0 -61.2 305 93 309.7 309.7 285.2 309.7 0.01 WND 290 8784 -58.5 -72.2 16 13.7 -58.6 305 97 305.8 305.8 283.7 305.8 0.01 Sounding variables and indices 1000-500 mb thick: 5030.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 37.62 % Est. max temperature: -5.17 C = 22.69 F Sfc-Lift cond lev (LCL): 905.86 mb = 948.19 m = 3110.81 ft T: -16.55 C 700-500 lapse rate: 5.97 C/km Conv cond level (CCL): 668.73 mb = 3180.15 m = 10433.43 ft Mean mixing ratio: 0.65 g/kg Conv temperature: 4.61 C = 40.29 F Cap Strength: 13.23 C Lifted Index: 19.18 C Risk: None Lifted Index @300 mb: 29.90 C Lifted Index @700 mb: 12.17 C Showalter Index: 13.91 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 12.00 C K Index: -17.10 Risk: None Sweat Index: 124.00 Risk: None Energy Index: 3.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.36 J/kg Max Up Vert Vel: 4.55 m/s Conv Inhibition (B-): 41712.22 J/kg Cap Strength: 18.84 C Lift Cond Lev (LCL): 859.75 mb = 1340.45 m = 4397.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 at 29 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 1015 87 305 9 7.4 -5.2 | 182 24 0.8 23.5 1 1000 200 305 11 9.0 -6.3 | 186 22 2.5 22.3 2 925 791 310 31 23.7 -19.9 | 243 19 17.2 8.7 3 850 1426 335 36 15.2 -32.6 | 295 10 8.7 -4.0 4 700 2850 315 33 23.3 -23.3 | 252 18 16.8 5.3 5 500 5230 315 52 36.8 -36.8 | 285 31 30.2 -8.1 6 400 6720 310 68 52.1 -43.7 | 288 48 45.6 -15.1 7 300 8570 305 95 77.8 -54.5 | 290 76 71.3 -25.8 8 290 8784 305 97 79.5 -55.6 | 290 78 72.9 -27.0 9 266 9324 305 93 76.2 -53.3 | 290 74 69.6 -24.7 10 250 9710 305 91 74.5 -52.2 | 289 72 68.0 -23.5 11 200 11090 300 75 65.0 -37.5 | 279 59 58.4 -8.8 12 150 12880 300 62 53.7 -31.0 | 273 47 47.2 -2.3 13 100 15360 285 62 59.9 -16.0 | 257 55 53.4 12.6 14 70 17540 280 68 67.0 -11.8 | 254 63 60.4 16.8 15 50 19590 280 75 73.9 -13.0 | 257 69 67.3 15.6 Wind Parameters Mean winds (0-6000m): 317.1 at 39.2 knts Storm direction: 347.1 at 29.4 knts Shear (0-3000m) pos: 4.8 neg: 1.9 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 75.6 deg Storm rel helicity (0-3000m) pos: 157.8 neg: -29.9 tot: 127.9 m^2/s^2 ave: 42.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 74.81 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 ------------------------------------------------------------------------------- 500 307 16 198 20| 15.6 0.0 15.6| 75.4 0.0 75.4 150.9 0.93| 15.6 14.5 1000 312 23 219 17| 12.8 0.0 12.8|131.0 0.0 131.0 131.0 0.89| 14.9 13.3 1500 320 27 234 14| 9.6 0.0 9.6|151.2 -2.1 149.1 99.4 0.83| 13.0 10.8 2000 323 29 243 12| 7.2 1.1 8.3|151.2 -12.8 138.4 69.2 0.66| 10.9 7.2 2500 323 30 248 13| 5.8 1.8 7.6|151.2 -24.4 126.7 50.7 0.54| 9.6 5.1 3000 322 31 250 13| 4.8 1.9 6.7|157.8 -29.9 127.9 42.6 0.50| 8.6 4.3 4000 320 33 256 15| 3.6 1.8 5.4|190.8 -29.9 160.9 40.2 0.53| 7.5 4.0 5000 318 36 263 17| 2.9 2.1 4.9|223.9 -29.9 193.9 38.8 0.54| 6.8 3.7 6000 317 39 270 20| 2.4 2.6 5.0|244.0 -29.9 214.0 35.7 0.49| 6.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260107.12.gif