UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 12 OCT 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 1020 93 -8.9 -8.9 100 0.0 -8.9 0 0 262.8 263.1 263.1 267.8 1.91 1 1011 161 -8.1 -8.8 95 0.7 -8.3 49 1 264.2 264.5 264.2 269.4 1.94 2 1006 200 -4.9 -5.5 96 0.6 -5.1 77 2 267.8 268.2 267.7 274.6 2.52 3 1000 247 -4.7 -5.3 96 0.6 -4.9 110 3 268.5 268.9 268.2 275.4 2.57 4 965 527 -4.5 -6.6 85 2.1 -5.2 140 13 271.4 271.8 269.9 278.0 2.41 5 944 701 -2.9 -5.9 80 3.0 -4.0 158 19 274.7 275.2 272.3 281.9 2.60 6 925 861 -4.5 -8.2 75 3.7 -5.7 175 25 274.7 275.1 271.6 280.9 2.22 7 885 1207 -7.9 -10.7 80 2.8 -8.7 170 25 274.7 275.0 271.2 280.0 1.91 8 880 1251 -7.9 -10.8 80 2.9 -8.8 169 25 275.1 275.4 271.4 280.5 1.90 9 853 1494 -5.9 -12.9 58 7.0 -7.9 165 25 279.7 280.0 273.7 284.5 1.66 10 850 1522 -5.9 -13.9 53 8.0 -8.2 165 25 280.0 280.2 273.7 284.4 1.53 11 820 1803 -6.5 -22.5 27 16.0 -10.1 165 24 282.2 282.4 273.8 284.5 0.77 12 740 2603 -7.1 -37.1 7 30.0 -12.0 165 21 290.0 290.0 277.0 290.7 0.21 13 700 3034 -9.9 -38.9 7 29.0 -14.2 165 19 291.5 291.6 277.7 292.2 0.19 14 564 4672 -19.9 -43.9 10 24.0 -22.5 155 13 298.3 298.3 280.8 298.8 0.14 15 502 5531 -23.7 -48.7 8 25.0 -25.9 150 9 303.8 303.8 283.1 304.1 0.09 16 500 5560 -23.9 -48.9 8 25.0 -26.1 150 9 303.9 303.9 283.1 304.2 0.09 17 436 6539 -31.1 -55.1 8 24.0 -32.5 76 13 306.9 306.9 284.2 307.1 0.05 18 400 7140 -35.5 -46.5 32 11.0 -36.2 30 15 308.9 308.9 285.1 309.4 0.15 19 369 7696 -39.7 -46.7 47 7.0 -40.1 29 17 310.5 310.5 285.7 311.0 0.16 20 300 9080 -50.1 -55.1 55 5.0 -50.3 25 21 314.7 314.7 287.1 315.0 0.07 21 290 9300 -51.9 -56.9 55 5.0 -52.0 26 21 315.2 315.2 287.2 315.5 0.06 22 250 10250 -55.7 -61.7 47 6.0 -55.8 30 19 323.3 323.3 289.8 323.4 0.04 23 237 10591 -56.7 -62.7 47 6.0 -56.8 30 17 326.7 326.7 290.8 326.9 0.04 24 200 11680 -52.7 -59.7 42 7.0 -52.9 10 11 349.3 349.3 296.5 349.6 0.06 25 196 11810 -52.7 -59.7 42 7.0 -52.9 9 11 351.3 351.4 297.0 351.6 0.06 26 150 13520 -55.1 -65.1 28 10.0 -55.4 350 9 375.1 375.1 301.5 375.3 0.04 27 128 14525 -57.7 -69.7 20 12.0 -57.9 348 10 387.9 387.9 303.5 388.0 0.02 28 100 16080 -58.1 -72.1 15 14.0 -58.4 345 11 415.5 415.5 307.2 415.6 0.02 29 70 18320 -60.5 -75.5 12 15.0 -60.9 330 9 455.0 455.0 311.3 455.1 0.02 30 50 20410 -61.1 -78.1 9 17.0 -61.6 340 13 499.5 499.5 314.9 499.6 0.02 31 37 22269 -63.7 -80.7 8 17.0 -64.1 331 15 537.7 537.7 317.4 537.8 0.02 32 30 23560 -62.5 -79.5 8 17.0 -63.1 325 17 574.3 574.3 319.4 574.4 0.02 33 20 26070 -59.7 -78.7 7 19.0 -61.0 335 7 653.4 653.5 322.8 653.8 0.04 34 18 26728 -59.9 -77.9 8 18.0 -61.3 672.8 672.8 323.5 673.2 0.05 TRP 237 10591 -56.7 -62.7 47 6.0 -56.8 30 17 326.7 326.7 290.8 326.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5313.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 29.83 % Est. max temperature: 5.21 C = 41.38 F Sfc-Lift cond lev (LCL): 1019.76 mb = 94.36 m = 309.57 ft T: -8.88 C 700-500 lapse rate: 5.54 C/km ThetaE index: 1.90 C Layer 925.0- 880.0 mb Conv cond level (CCL): 1011.00 mb = 161.23 m = 528.97 ft Mean mixing ratio: 2.41 g/kg Conv temperature: -5.36 C = 22.34 F Cap Strength: 21.92 C Lifted Index: 21.96 C Risk: None Lifted Index @300 mb: 26.40 C Lifted Index @700 mb: 14.63 C Showalter Index: 16.57 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 10.00 C K Index: -24.90 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.45 J/kg Max Up Vert Vel: 9.10 m/s Conv Inhibition (B-): 58289.30 J/kg Cap Strength: 21.46 C Lift Cond Lev (LCL): 939.33 mb = 739.73 m = 2426.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 192 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 1020 93 0 0 -0.0 -0.0 | 12 12 -2.7 -12.1 1 1000 247 110 3 -2.8 1.0 | 26 12 -5.5 -11.1 2 925 861 175 25 -2.2 24.9 | 159 14 -4.9 12.8 3 850 1522 165 25 -6.5 24.1 | 143 15 -9.1 12.1 4 700 3034 165 19 -4.9 18.4 | 130 10 -7.6 6.3 5 500 5560 150 9 -4.5 7.8 | 59 8 -7.2 -4.3 6 400 7140 30 15 -7.5 -13.0 | 22 27 -10.2 -25.1 7 300 9080 25 21 -8.9 -19.0 | 20 33 -11.5 -31.1 8 250 10250 30 19 -9.5 -16.5 | 23 31 -12.2 -28.5 9 237 10591 30 17 -8.5 -14.7 | 23 29 -11.2 -26.8 10 200 11680 10 11 -1.9 -10.8 | 11 23 -4.6 -22.9 11 150 13520 350 9 1.6 -8.9 | 3 21 -1.1 -20.9 12 100 16080 345 11 2.8 -10.6 | 360 23 0.2 -22.7 13 70 18320 330 9 4.5 -7.8 | 355 20 1.8 -19.9 14 50 20410 340 13 4.4 -12.2 | 356 24 1.8 -24.3 15 30 23560 325 17 9.8 -13.9 | 345 27 7.1 -26.0 16 20 26070 335 7 3.0 -6.3 | 359 18 0.3 -18.4 Wind Parameters Mean winds (0-6000m): 162.5 at 16.5 knts Storm direction: 192.5 at 12.4 knts Shear (0-3000m) pos: 4.3 neg: 1.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 115.8 deg Storm rel helicity (0-3000m) pos: 94.8 neg: -24.6 tot: 70.2 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.76 Bulk Shear: 15.03 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 ------------------------------------------------------------------------------- 500 139 7 46 10| 15.8 0.0 15.8| 53.2 0.0 53.2 106.4 0.96| 18.2 17.5 1000 170 15 113 6| 12.9 0.0 12.9| 94.8 -4.7 90.1 90.1 0.89| 16.9 15.0 1500 169 18 133 8| 8.6 1.0 9.5| 94.8 -15.4 79.4 53.0 0.74| 12.3 9.1 2000 168 19 135 10| 6.4 0.9 7.3| 94.8 -18.4 76.4 38.2 0.68| 9.7 6.6 2500 167 20 136 10| 5.1 1.0 6.2| 94.8 -21.3 73.4 29.4 0.62| 8.2 5.1 3000 167 20 135 10| 4.3 1.2 5.4| 94.8 -24.6 70.2 23.4 0.56| 7.2 4.0 4000 166 19 131 10| 3.2 1.4 4.6| 94.8 -34.1 60.7 15.2 0.42| 5.9 2.5 5000 165 18 125 9| 2.6 1.6 4.1| 94.8 -42.9 51.9 10.4 0.31| 5.2 1.6 6000 162 17 116 8| 2.1 1.9 4.0| 95.4 -50.4 45.0 7.5 0.22| 5.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251012.00.gif