UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 21 APR 25 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 1008 90 -5.5 -8.7 78 3.2 -6.4 0 0 267.0 267.4 266.3 272.4 1.96 1 1000 153 -2.7 -6.6 74 3.9 -4.0 340 3 270.5 270.8 269.2 276.8 2.33 2 980 313 -1.9 -9.9 54 8.0 -4.4 337 4 272.8 273.1 269.9 277.9 1.84 3 959 485 -3.5 -14.5 42 11.0 -6.5 335 5 272.9 273.1 269.0 276.6 1.29 4 925 769 -5.9 -16.9 41 11.0 -8.6 330 7 273.3 273.5 268.9 276.4 1.10 5 860 1333 -10.7 -18.7 52 8.0 -12.5 334 12 274.0 274.2 269.2 276.9 1.01 6 850 1423 -10.7 -18.7 52 8.0 -12.5 335 13 274.9 275.1 269.9 277.9 1.03 7 829 1616 -8.7 -19.7 41 11.0 -11.2 332 16 279.0 279.2 272.2 281.9 0.97 8 795 1940 -9.1 -24.1 28 15.0 -12.2 328 22 282.0 282.1 273.5 284.0 0.68 9 771 2178 -7.9 -28.9 17 21.0 -11.9 325 26 285.7 285.8 275.2 287.2 0.46 10 752 2371 -8.9 -32.9 12 24.0 -13.0 322 29 286.7 286.7 275.5 287.7 0.32 11 723 2674 -10.5 -33.5 13 23.0 -14.3 318 34 288.2 288.2 276.2 289.2 0.31 12 700 2923 -10.5 -30.5 18 20.0 -14.1 315 38 290.9 290.9 277.8 292.3 0.43 13 645 3550 -11.9 -30.9 19 19.0 -15.4 313 44 296.2 296.2 280.3 297.6 0.45 14 500 5450 -24.1 -44.1 14 20.0 -26.1 305 62 303.7 303.7 283.1 304.2 0.15 15 494 5538 -24.9 -44.9 14 20.0 -26.8 305 64 303.7 303.8 283.1 304.2 0.14 16 456 6120 -26.3 -48.3 11 22.0 -28.2 307 75 309.0 309.0 285.1 309.4 0.11 17 448 6249 -26.3 -46.3 13 20.0 -28.2 307 77 310.6 310.6 285.7 311.1 0.13 18 400 7060 -32.5 -42.5 36 10.0 -33.4 310 93 312.7 312.8 286.6 313.6 0.23 19 385 7328 -34.3 -43.3 40 9.0 -35.0 309 93 313.8 313.9 286.9 314.6 0.22 20 300 9020 -49.1 -57.1 39 8.0 -49.3 305 95 316.1 316.2 287.5 316.4 0.06 21 260 9942 -56.7 -64.7 36 8.0 -56.8 301 100 318.2 318.2 288.2 318.3 0.02 22 250 10190 -57.9 -65.9 35 8.0 -58.0 300 101 320.0 320.0 288.8 320.1 0.02 23 248 10240 -58.2 -66.2 35 8.0 -58.3 305 101 320.3 320.3 288.9 320.4 0.02 24 221 10955 -61.9 -69.9 34 8.0 -62.0 305 97 325.3 325.3 290.4 325.4 0.01 25 206 11387 -61.9 -69.9 34 8.0 -62.0 309 84 331.9 331.9 292.3 332.0 0.02 26 200 11570 -59.1 -67.1 35 8.0 -59.2 310 79 339.2 339.2 294.1 339.3 0.02 27 185 12062 -56.3 -64.3 36 8.0 -56.5 309 72 351.4 351.4 297.0 351.5 0.04 28 150 13400 -54.7 -64.7 28 10.0 -55.0 305 54 375.8 375.8 301.6 376.0 0.04 29 101 15946 -52.9 -66.9 17 14.0 -53.5 300 36 424.3 424.3 308.2 424.6 0.05 30 100 16010 -53.1 -68.1 15 15.0 -53.7 300 36 425.1 425.1 308.3 425.3 0.04 31 87 16898 -56.7 -72.7 12 16.0 -57.2 298 41 435.2 435.2 309.4 435.3 0.02 32 70 18280 -54.3 -72.3 9 18.0 -55.1 295 50 468.2 468.2 312.5 468.4 0.03 33 67 18561 -53.3 -72.3 8 19.0 -54.2 298 47 476.3 476.3 313.2 476.5 0.03 34 58 19479 -58.5 -78.5 6 20.0 -59.0 306 36 484.6 484.6 313.8 484.7 0.01 35 51 20294 -55.3 -77.3 5 22.0 -56.2 314 26 510.3 510.3 315.7 510.4 0.02 36 50 20420 -55.5 -77.5 5 22.0 -56.4 315 25 512.7 512.7 315.8 512.8 0.02 37 45 21088 -57.7 -80.7 4 23.0 -58.5 523.0 523.0 316.5 523.1 0.01 TRP 221 10955 -61.9 -69.9 34 8.0 -62.0 305 97 325.3 325.3 290.4 325.4 0.01 WND 248 10240 -58.2 -66.2 35 8.0 -58.3 305 101 320.3 320.3 288.9 320.4 0.02 Sounding variables and indices 1000-500 mb thick: 5297.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 26.85 % Est. max temperature: 1.68 C = 35.02 F Sfc-Lift cond lev (LCL): 958.10 mb = 492.40 m = 1615.47 ft T: -3.56 C 700-500 lapse rate: 5.38 C/km ThetaE index: 1.51 C Layer 959.0- 860.0 mb Conv cond level (CCL): 551.97 mb = 4712.12 m = 15459.51 ft Mean mixing ratio: 1.50 g/kg Conv temperature: 28.34 C = 83.02 F Cap Strength: 18.43 C Lifted Index: 22.43 C Risk: None Lifted Index @300 mb: 27.99 C Lifted Index @700 mb: 14.68 C Showalter Index: 21.47 C Risk: None Total Totals Index: 18.80 C Risk: None Vertical Totals Index: 13.40 C Cross Totals Index: 5.40 C K Index: -25.30 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 5.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.45 J/kg Max Up Vert Vel: 5.19 m/s Conv Inhibition (B-): 36497.25 J/kg Cap Strength: 22.32 C Lift Cond Lev (LCL): 834.00 mb = 1569.56 m = 5149.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 27 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 1008 90 0 0 -0.0 -0.0 | 161 27 -8.8 26.0 1 1000 153 340 3 1.0 -2.8 | 161 24 -7.8 23.1 2 925 769 330 7 3.5 -6.1 | 165 21 -5.3 19.9 3 850 1423 335 13 5.5 -11.8 | 167 15 -3.3 14.2 4 700 2923 315 38 26.9 -26.9 | 273 18 18.0 -0.9 5 500 5450 305 62 50.8 -35.6 | 283 43 42.0 -9.6 6 400 7060 310 93 71.2 -59.8 | 298 71 62.4 -33.8 7 300 9020 305 95 77.8 -54.5 | 292 75 69.0 -28.5 8 250 10190 300 101 87.5 -50.5 | 287 82 78.6 -24.5 9 248 10240 305 101 82.7 -57.9 | 293 81 73.9 -32.0 10 221 10955 305 97 79.5 -55.6 | 293 77 70.6 -29.7 11 200 11570 310 79 60.5 -50.8 | 296 57 51.7 -24.8 12 150 13400 305 54 44.2 -31.0 | 278 36 35.4 -5.0 13 100 16010 300 36 31.2 -18.0 | 250 24 22.4 8.0 14 70 18280 295 50 45.3 -21.1 | 262 37 36.5 4.8 15 50 20420 315 25 17.7 -17.7 | 227 12 8.9 8.3 Wind Parameters Mean winds (0-6000m): 311.2 at 36.6 knts Storm direction: 341.2 at 27.4 knts Shear (0-3000m) pos: 1.0 neg: 5.9 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 61.8 neg: 0.0 tot: 61.8 m^2/s^2 ave: 20.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 143.41 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 ------------------------------------------------------------------------------- 500 336 4 162 23| 0.0 6.0 6.0| 5.5 0.0 5.5 11.0 0.15| 6.1 0.9 1000 332 6 164 22| 0.0 5.1 5.1| 10.6 0.0 10.6 10.6 0.18| 5.2 1.0 1500 333 8 164 19| 2.0 3.4 5.4| 15.9 0.0 15.9 10.6 0.21| 5.5 1.1 2000 331 11 168 17| 1.5 4.7 6.2| 32.4 0.0 32.4 16.2 0.42| 6.3 2.6 2500 326 14 177 14| 1.2 5.5 6.7| 49.3 0.0 49.3 19.7 0.52| 6.9 3.6 3000 322 18 191 12| 1.0 5.9 6.9| 61.8 0.0 61.8 20.6 0.49| 7.1 3.5 4000 318 24 224 11| 0.8 5.6 6.4| 78.4 0.0 78.4 19.6 0.45| 6.6 3.0 5000 314 31 250 14| 0.6 5.5 6.1| 85.3 0.0 85.3 17.1 0.39| 6.3 2.5 6000 311 37 264 19| 1.3 5.1 6.4|165.4 -0.4 165.0 27.5 0.39| 6.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250421.00.gif