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 U4641... Searching the city database file for: U4641 ... Date:0000Z 12 OCT 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1011 115 -6.9 -8.9 86 2.0 -7.5 325 1 265.4 265.7 265.0 270.6 1.92 1 1000 200 -7.3 -10.6 77 3.3 -8.2 330 5 265.9 266.1 265.0 270.5 1.70 2 946 626 -11.3 -14.1 80 2.8 -11.9 330 6 266.0 266.3 264.4 269.8 1.36 3 936 707 -10.9 -13.5 81 2.6 -11.5 330 7 267.3 267.5 265.5 271.2 1.44 4 930 756 -8.1 -10.7 82 2.6 -8.8 330 7 270.6 270.9 268.4 275.6 1.82 5 925 798 -8.3 -11.3 79 3.0 -9.1 330 7 270.8 271.1 268.4 275.6 1.74 6 850 1450 -11.7 -16.7 66 5.0 -12.9 40 11 273.9 274.1 269.5 277.4 1.22 7 824 1687 -12.7 -17.7 66 5.0 -13.8 43 12 275.3 275.5 270.3 278.6 1.15 8 816 1762 -11.5 -16.5 66 5.0 -12.7 44 12 277.3 277.5 271.8 281.0 1.29 9 716 2757 -14.7 -23.7 46 9.0 -16.4 58 15 284.4 284.5 275.0 286.8 0.79 10 700 2928 -15.5 -26.5 38 11.0 -17.4 60 15 285.3 285.4 275.2 287.3 0.63 11 696 2971 -15.9 -27.9 35 12.0 -17.9 61 15 285.3 285.4 275.1 287.1 0.55 12 535 4914 -26.5 -30.7 68 4.2 -27.1 96 33 295.0 295.1 279.9 296.8 0.55 13 524 5064 -27.3 -31.8 66 4.5 -27.9 99 35 295.8 295.9 280.2 297.4 0.51 14 500 5400 -29.9 -34.7 63 4.8 -30.4 105 38 296.6 296.7 280.4 297.9 0.40 15 400 6950 -40.9 -45.9 58 5.0 -41.2 110 46 301.8 301.9 282.3 302.4 0.16 16 300 8840 -55.9 -60.6 56 4.7 -56.0 110 46 306.6 306.6 284.1 306.7 0.04 17 273 9436 -59.5 -64.4 53 4.9 -59.6 110 50 309.7 309.7 285.2 309.8 0.02 18 250 9990 -58.1 -63.1 53 5.0 -58.2 110 48 319.7 319.7 288.7 319.8 0.03 19 242 10195 -58.1 -63.1 53 5.0 -58.2 108 46 322.7 322.7 289.6 322.8 0.03 20 200 11410 -53.3 -59.3 48 6.0 -53.5 95 36 348.4 348.4 296.3 348.6 0.06 21 188 11807 -52.3 -59.3 43 7.0 -52.5 94 34 356.2 356.2 298.0 356.5 0.07 22 150 13260 -52.9 -63.9 25 11.0 -53.2 90 27 378.9 378.9 302.1 379.1 0.05 23 100 15880 -53.1 -70.1 11 17.0 -53.7 100 17 425.1 425.1 308.3 425.3 0.03 24 88 16705 -52.9 -70.9 10 18.0 -53.6 104 16 441.4 441.4 310.0 441.5 0.03 25 70 18180 -53.9 -73.9 7 20.0 -54.7 110 15 469.1 469.1 312.5 469.2 0.02 26 54 19846 -54.5 -76.5 5 22.0 -55.5 129 12 503.8 503.8 315.2 504.0 0.02 27 50 20340 -53.5 -76.5 4 23.0 -54.6 135 11 517.4 517.4 316.1 517.5 0.02 28 30 23650 -48.9 -73.9 4 25.0 -51.7 150 17 611.3 611.4 321.2 611.8 0.06 29 21 26006 -45.7 -71.7 4 26.0 -50.3 176 21 686.6 686.7 324.0 687.6 0.11 30 20 26330 -46.7 -72.7 4 26.0 -51.1 180 21 693.2 693.3 324.3 694.1 0.10 31 15 28242 -45.7 -71.7 4 26.0 -51.3 756.0 756.1 326.1 757.5 0.16 TRP 273 9436 -59.5 -64.4 53 4.9 -59.6 110 50 309.7 309.7 285.2 309.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5200.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 60.10 % Est. max temperature: 1.13 C = 34.03 F Sfc-Lift cond lev (LCL): 979.23 mb = 361.06 m = 1184.58 ft T: -8.81 C 700-500 lapse rate: 5.83 C/km ThetaE index: 0.83 C Layer 1000.0- 936.0 mb Conv cond level (CCL): 695.37 mb = 2977.92 m = 9769.97 ft Mean mixing ratio: 1.59 g/kg Conv temperature: 13.12 C = 55.62 F Cap Strength: 20.43 C Lifted Index: 20.76 C Risk: None Lifted Index @300 mb: 24.82 C Lifted Index @700 mb: 13.78 C Showalter Index: 16.08 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 13.20 C K Index: -9.50 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.64 J/kg Max Up Vert Vel: 7.16 m/s Conv Inhibition (B-): 69176.31 J/kg Cap Strength: 20.68 C Lift Cond Lev (LCL): 916.13 mb = 872.29 m = 2861.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 115 at 16 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 1011 115 325 1 0.6 -0.8 | 297 16 14.6 -7.5 1 1000 200 330 5 2.5 -4.3 | 304 20 16.5 -11.0 2 925 798 330 7 3.5 -6.1 | 306 22 17.5 -12.7 3 850 1450 40 11 -7.1 -8.4 | 335 17 6.9 -15.1 4 700 2928 60 15 -13.0 -7.5 | 356 14 1.0 -14.1 5 500 5400 105 38 -36.7 9.8 | 98 23 -22.7 3.2 6 400 6950 110 46 -43.2 15.7 | 107 31 -29.2 9.1 7 300 8840 110 46 -43.2 15.7 | 107 31 -29.2 9.1 8 273 9436 110 50 -47.0 17.1 | 108 35 -33.0 10.5 9 250 9990 110 48 -45.1 16.4 | 107 33 -31.1 9.8 10 200 11410 95 36 -35.9 3.1 | 81 22 -21.9 -3.5 11 150 13260 90 27 -27.0 0.0 | 63 15 -13.0 -6.6 12 100 15880 100 17 -16.7 3.0 | 36 5 -2.7 -3.7 13 70 18180 110 15 -14.1 5.1 | 3 2 -0.1 -1.5 14 50 20340 135 11 -7.8 7.8 | 260 6 6.2 1.1 15 30 23650 150 17 -8.5 14.7 | 214 10 5.5 8.1 16 20 26330 180 21 0.0 21.0 | 224 20 14.0 14.4 Wind Parameters Mean winds (0-6000m): 85.4 at 20.7 knts Storm direction: 115.4 at 15.5 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 66.8 deg Storm rel helicity (0-3000m) pos: 98.3 neg: 0.0 tot: 98.3 m^2/s^2 ave: 32.8 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 72.50 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 ------------------------------------------------------------------------------- 500 330 5 304 20| 5.5 0.0 5.5| 13.0 0.0 13.0 26.0 0.49| 5.6 2.7 1000 337 6 307 21| 4.2 0.0 4.2| 42.2 0.0 42.2 42.2 0.71| 5.7 4.0 1500 2 8 316 20| 3.9 0.0 3.9| 70.8 0.0 70.8 47.2 0.75| 6.3 4.7 2000 19 9 323 19| 3.3 0.0 3.3| 78.5 0.0 78.5 39.3 0.77| 5.2 4.0 2500 30 10 329 18| 2.9 0.0 2.9| 86.2 0.0 86.2 34.5 0.78| 4.6 3.6 3000 38 11 334 17| 2.9 0.0 2.9| 98.3 0.0 98.3 32.8 0.80| 4.4 3.5 4000 54 13 347 15| 3.4 0.0 3.4|142.7 0.0 142.7 35.7 0.86| 4.8 4.1 5000 72 17 10 12| 3.7 0.0 3.7|202.0 0.0 202.0 40.4 0.88| 5.2 4.6 6000 85 21 38 11| 3.6 0.0 3.6|236.2 0.0 236.2 39.4 0.85| 5.1 4.3 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251012.00.gif