UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 10 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 1018 90 4.0 4.0 100 0.0 4.0 110 3 275.7 276.6 276.3 289.3 5.00 1 1000 235 3.0 1.3 89 1.7 2.2 105 3 276.1 276.9 275.4 287.6 4.20 2 925 862 -0.5 -1.6 92 1.1 -1.0 125 5 278.8 279.4 276.1 289.0 3.67 3 908 1010 -1.1 -2.2 92 1.1 -1.6 128 5 279.7 280.3 276.5 289.6 3.58 4 850 1536 -2.1 -3.4 91 1.3 -2.6 140 7 283.9 284.6 278.6 293.9 3.50 5 835 1678 -1.9 -3.1 91 1.2 -2.4 143 7 285.6 286.2 279.6 296.0 3.64 6 799 2026 -4.9 -6.2 91 1.3 -5.4 150 6 286.0 286.6 279.0 294.7 3.01 7 700 3061 -7.7 -10.9 78 3.2 -8.8 170 3 294.0 294.4 281.8 301.1 2.38 8 687 3207 -8.3 -10.7 83 2.4 -9.1 169 3 294.9 295.3 282.3 302.3 2.46 9 683 3253 -5.1 -7.6 83 2.5 -6.1 168 3 298.9 299.5 284.8 308.5 3.16 10 664 3473 -9.3 -11.7 83 2.4 -10.1 166 3 296.6 297.1 282.9 303.8 2.35 11 628 3903 -10.9 -13.2 83 2.3 -11.6 162 4 299.6 300.0 284.0 306.4 2.20 12 543 5006 -18.5 -23.2 66 4.7 -19.6 151 5 303.2 303.4 284.1 306.8 1.09 13 505 5546 -20.3 -24.2 71 3.9 -21.1 146 5 307.4 307.6 285.7 310.9 1.07 14 500 5620 -21.1 -24.7 73 3.6 -21.8 145 5 307.3 307.5 285.6 310.7 1.03 15 429 6727 -30.5 -33.7 73 3.2 -30.9 121 5 309.1 309.2 285.7 310.9 0.52 16 400 7220 -33.5 -36.8 72 3.3 -33.8 110 5 311.4 311.5 286.4 312.9 0.41 17 356 8028 -38.5 -42.1 69 3.6 -38.8 100 13 315.3 315.3 287.5 316.3 0.26 18 300 9180 -47.3 -50.8 67 3.5 -47.4 85 25 318.7 318.7 288.5 319.1 0.12 19 274 9771 -51.3 -55.0 65 3.7 -51.4 88 20 321.3 321.3 289.2 321.6 0.08 20 251 10334 -53.5 -57.9 59 4.4 -53.6 90 15 326.2 326.2 290.7 326.4 0.06 21 250 10360 -53.5 -57.9 59 4.4 -53.6 90 15 326.5 326.5 290.8 326.8 0.06 22 226 11011 -54.5 -59.1 57 4.6 -54.6 36 17 334.6 334.6 293.0 334.8 0.06 23 224 11068 -53.7 -58.5 56 4.8 -53.8 31 17 336.6 336.7 293.6 336.9 0.06 24 200 11800 -53.1 -59.1 48 6.0 -53.3 330 19 348.7 348.7 296.4 349.0 0.07 25 178 12547 -53.1 -59.1 48 6.0 -53.3 328 22 360.5 360.5 298.8 360.8 0.07 26 150 13640 -55.1 -63.1 36 8.0 -55.4 325 27 375.1 375.2 301.5 375.4 0.05 27 118 15158 -59.7 -68.7 30 9.0 -59.9 328 27 393.3 393.3 304.3 393.5 0.03 28 114 15373 -60.3 -69.3 30 9.0 -60.5 328 27 396.1 396.1 304.7 396.2 0.03 29 113 15428 -60.5 -69.5 30 9.0 -60.7 328 27 396.7 396.7 304.8 396.9 0.03 30 100 16190 -60.5 -70.5 26 10.0 -60.7 330 27 410.8 410.8 306.6 411.0 0.03 31 89 16918 -58.9 -68.9 26 10.0 -59.2 332 26 428.0 428.0 308.6 428.2 0.04 32 70 18420 -60.3 -71.3 22 11.0 -60.6 335 23 455.4 455.4 311.4 455.6 0.04 33 50 20510 -60.9 -72.9 19 12.0 -61.3 330 17 500.0 500.0 314.9 500.2 0.04 34 40 21891 -62.9 -73.9 21 11.0 -63.3 527.9 527.9 316.8 528.2 0.04 35 35 22717 -60.9 -72.9 19 12.0 -61.5 553.7 553.7 318.3 554.1 0.06 TRP 251 10334 -53.5 -57.9 59 4.4 -53.6 90 15 326.2 326.2 290.7 326.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5385.00 m Freezing level: 935.71 mb = 772.43 m = 2534.18 ft Wetbulb zero: 947.72 mb = 666.83 m = 2187.74 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 82.65 % Est. max temperature: 10.88 C = 51.58 F Sfc-Lift cond lev (LCL): 1018.00 mb = 90.44 m = 296.71 ft T: 4.00 C 700-500 lapse rate: 5.24 C/km ThetaE index: 1.67 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 929.39 mb = 823.88 m = 2703.00 ft Mean mixing ratio: 4.03 g/kg Conv temperature: 6.91 C = 44.44 F Cap Strength: 16.54 C Lifted Index: 16.35 C Risk: None Lifted Index @300 mb: 21.53 C Lifted Index @700 mb: 8.98 C Showalter Index: 12.22 C Risk: None Total Totals Index: 36.70 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 17.70 C K Index: 12.40 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.18 J/kg Max Up Vert Vel: 4.73 m/s Conv Inhibition (B-): 38866.40 J/kg Cap Strength: 16.28 C Lift Cond Lev (LCL): 948.14 mb = 663.30 m = 2176.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 175 at 3 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 1018 90 110 3 -2.8 1.0 | 47 3 -2.5 -2.4 1 1000 235 105 3 -2.9 0.8 | 45 4 -2.6 -2.6 2 925 862 125 5 -4.1 2.9 | 82 4 -3.8 -0.5 3 850 1536 140 7 -4.5 5.4 | 115 5 -4.2 2.0 4 700 3061 170 3 -0.5 3.0 | 25 0 -0.2 -0.4 5 500 5620 145 5 -2.9 4.1 | 106 3 -2.5 0.7 6 400 7220 110 5 -4.7 1.7 | 69 5 -4.4 -1.7 7 300 9180 85 25 -24.9 -2.2 | 77 25 -24.6 -5.6 8 251 10334 90 15 -15.0 0.0 | 77 15 -14.7 -3.4 9 250 10360 90 15 -15.0 0.0 | 77 15 -14.7 -3.4 10 200 11800 330 19 9.5 -16.5 | 334 22 9.8 -19.8 11 150 13640 325 27 15.5 -22.1 | 328 30 15.8 -25.5 12 100 16190 330 27 13.5 -23.4 | 333 30 13.8 -26.8 13 70 18420 335 23 9.7 -20.8 | 337 26 10.0 -24.2 14 50 20510 330 17 8.5 -14.7 | 334 20 8.8 -18.1 Wind Parameters Mean winds (0-6000m): 144.6 at 4.5 knts Storm direction: 174.6 at 3.4 knts Shear (0-3000m) pos: 0.5 neg: 0.0 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): -18.1 deg Storm rel helicity (0-3000m) pos: 5.5 neg: -0.2 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.88 Bulk Shear: 0.87 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 ------------------------------------------------------------------------------- 500 111 3 53 4| 1.2 0.0 1.2| 1.3 -0.1 1.2 2.4 0.81| 1.5 1.2 1000 119 4 68 4| 1.6 0.0 1.6| 3.2 -0.1 3.1 3.1 0.91| 1.8 1.6 1500 127 5 83 4| 1.6 0.0 1.6| 5.1 -0.1 5.0 3.3 0.92| 1.8 1.6 2000 132 5 92 4| 1.0 0.0 1.0| 5.4 -0.1 5.4 2.7 0.74| 1.8 1.3 2500 136 5 96 3| 0.7 0.0 0.7| 5.5 -0.1 5.4 2.1 0.60| 1.7 1.1 3000 138 5 96 3| 0.5 0.0 0.5| 5.5 -0.2 5.2 1.7 0.43| 1.7 0.7 4000 143 5 96 2| 0.4 0.1 0.5| 5.6 -0.2 5.3 1.3 0.46| 1.4 0.6 5000 145 4 97 2| 0.3 0.2 0.5| 5.6 -0.2 5.4 1.1 0.43| 1.2 0.5 6000 145 5 98 2| 0.3 0.3 0.5| 5.6 -0.8 4.8 0.8 0.33| 1.1 0.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251010.12.gif