UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 13 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 1012 109 -12.9 -14.7 86 1.8 -13.3 320 3 259.4 259.6 259.2 262.6 1.21 1 1000 200 -11.1 -12.6 89 1.5 -11.5 340 5 262.0 262.3 261.7 265.9 1.45 2 928 774 -14.9 -17.2 83 2.3 -15.3 330 11 263.8 264.0 262.3 266.8 1.07 3 925 799 -14.7 -17.0 83 2.3 -15.2 330 11 264.3 264.5 262.7 267.3 1.09 4 922 824 -14.3 -16.5 83 2.2 -14.7 331 11 264.9 265.1 263.3 268.1 1.14 5 919 848 -11.9 -14.0 84 2.1 -12.4 332 11 267.6 267.9 265.7 271.5 1.41 6 904 975 -8.5 -11.1 81 2.6 -9.2 335 10 272.4 272.7 269.5 277.4 1.81 7 885 1141 -6.5 -14.5 53 8.0 -8.7 340 9 276.1 276.4 271.2 280.2 1.40 8 864 1328 -6.5 -24.5 22 18.0 -10.2 346 8 278.0 278.1 271.1 279.9 0.61 9 850 1456 -7.1 -28.1 17 21.0 -11.0 350 7 278.7 278.8 271.2 280.1 0.44 10 813 1802 -8.5 -31.5 14 23.0 -12.3 359 7 280.8 280.9 272.2 281.9 0.34 11 809 1840 -8.5 -29.5 17 21.0 -12.2 0 7 281.2 281.3 272.6 282.5 0.41 12 780 2122 -10.7 -18.7 52 8.0 -12.6 8 7 281.8 282.0 274.0 285.1 1.12 13 747 2453 -12.5 -18.5 61 6.0 -13.9 17 7 283.3 283.5 275.0 286.9 1.19 14 737 2556 -11.9 -17.9 61 6.0 -13.4 19 7 285.1 285.3 276.1 288.9 1.27 15 700 2950 -11.7 -25.7 30 14.0 -14.5 30 7 289.5 289.6 277.4 291.6 0.67 16 687 3093 -12.3 -29.3 23 17.0 -15.4 34 7 290.4 290.5 277.6 292.0 0.49 17 682 3149 -12.9 -29.9 23 17.0 -15.9 35 7 290.4 290.4 277.6 291.9 0.47 18 582 4335 -22.7 -28.7 58 6.0 -23.6 66 8 292.4 292.5 278.8 294.3 0.61 19 578 4386 -22.5 -28.5 58 6.0 -23.4 67 8 293.2 293.3 279.2 295.2 0.63 20 570 4489 -22.3 -28.3 58 6.0 -23.2 70 8 294.6 294.7 279.8 296.7 0.65 21 500 5440 -28.3 -42.3 25 14.0 -29.5 95 9 298.5 298.6 281.0 299.2 0.18 22 486 5642 -29.9 -44.9 22 15.0 -31.0 95 9 299.0 299.0 281.1 299.5 0.14 23 400 7000 -38.5 -50.5 27 12.0 -39.1 95 11 305.0 305.0 283.5 305.3 0.09 24 362 7681 -43.1 -57.1 20 14.0 -43.6 105 11 307.6 307.6 284.5 307.8 0.05 25 314 8624 -51.1 -65.1 17 14.0 -51.3 120 11 309.3 309.3 285.1 309.3 0.02 26 300 8920 -53.1 -66.1 19 13.0 -53.3 125 11 310.5 310.5 285.5 310.6 0.02 27 266 9682 -58.1 -70.1 20 12.0 -58.2 128 11 314.1 314.1 286.8 314.1 0.01 28 250 10070 -59.3 -71.3 20 12.0 -59.4 130 11 317.9 317.9 288.1 317.9 0.01 29 229 10615 -61.7 -73.7 19 12.0 -61.8 125 13 322.3 322.3 289.5 322.4 0.01 30 228 10642 -61.5 -73.5 19 12.0 -61.6 124 13 323.0 323.0 289.7 323.1 0.01 31 221 10836 -60.5 -72.5 19 12.0 -60.6 117 14 327.5 327.5 291.0 327.5 0.01 32 200 11460 -58.1 -70.1 20 12.0 -58.3 95 17 340.8 340.8 294.5 340.8 0.02 33 174 12338 -56.1 -68.1 21 12.0 -56.3 90 15 357.9 357.9 298.3 358.0 0.02 34 150 13280 -55.7 -67.7 21 12.0 -56.0 85 13 374.1 374.1 301.3 374.2 0.03 35 100 15870 -54.7 -69.7 14 15.0 -55.2 80 9 422.0 422.0 308.0 422.2 0.03 36 98 16000 -53.5 -69.5 13 16.0 -54.1 83 9 426.8 426.8 308.5 427.0 0.03 37 83 17063 -55.9 -72.9 10 17.0 -56.4 111 8 442.7 442.7 310.1 442.8 0.02 38 70 18150 -54.5 -72.5 9 18.0 -55.2 140 7 467.8 467.8 312.5 468.0 0.03 39 50 20310 -54.1 -74.1 7 20.0 -55.2 150 3 516.0 516.0 316.1 516.2 0.03 40 41 21582 -54.5 -75.5 6 21.0 -55.7 167 7 545.1 545.1 317.8 545.3 0.03 41 30 23600 -50.7 -73.7 5 23.0 -53.0 195 13 606.4 606.4 320.9 606.9 0.06 42 23 25340 -47.1 -72.1 4 25.0 -51.0 202 16 664.9 664.9 323.3 665.7 0.10 43 20 26260 -48.7 -73.7 4 25.0 -52.4 205 17 687.1 687.1 324.0 687.9 0.09 44 15 28177 -42.7 -68.7 4 26.0 -49.6 215 21 766.0 766.1 326.4 768.3 0.25 45 12 29693 -40.1 -67.1 4 27.0 -49.0 223 24 825.7 825.9 328.0 829.6 0.38 46 10 30920 -46.7 -72.7 4 26.0 -53.4 230 27 845.2 845.3 328.3 847.4 0.21 47 9.0 31615 -49.1 -74.1 4 25.0 -55.1 861.8 861.9 328.7 863.8 0.19 48 8.0 32394 -45.7 -71.7 4 26.0 -53.7 904.9 905.1 329.6 908.3 0.30 TRP 229 10615 -61.7 -73.7 19 12.0 -61.8 125 13 322.3 322.3 289.5 322.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 47.63 % Est. max temperature: 5.93 C = 42.67 F Sfc-Lift cond lev (LCL): 982.90 mb = 332.58 m = 1091.13 ft T: -11.98 C 700-500 lapse rate: 6.67 C/km ThetaE index: 0.28 C Layer 864.0- 850.0 mb Conv cond level (CCL): 606.71 mb = 4024.44 m = 13203.38 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 19.74 C = 67.54 F Cap Strength: 23.97 C Lifted Index: 26.17 C Risk: None Lifted Index @300 mb: 31.02 C Lifted Index @700 mb: 21.44 C Showalter Index: 15.57 C Risk: None Total Totals Index: 21.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 0.20 C K Index: -20.90 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 4.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.46 J/kg Max Up Vert Vel: 5.91 m/s Conv Inhibition (B-): 77796.83 J/kg Cap Strength: 26.12 C Lift Cond Lev (LCL): 932.59 mb = 736.40 m = 2415.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 67 at 6 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 1012 109 320 3 1.9 -2.3 | 270 7 7.4 -0.0 1 1000 200 340 5 1.7 -4.7 | 288 8 7.2 -2.4 2 925 799 330 11 5.5 -9.5 | 303 13 11.0 -7.2 3 850 1456 350 7 1.2 -6.9 | 304 8 6.7 -4.6 4 700 2950 30 7 -3.5 -6.1 | 332 4 2.0 -3.8 5 500 5440 95 9 -9.0 0.8 | 132 5 -3.5 3.1 6 400 7000 95 11 -11.0 1.0 | 121 6 -5.4 3.3 7 300 8920 125 11 -9.0 6.3 | 158 9 -3.5 8.6 8 250 10070 130 11 -8.4 7.1 | 163 10 -2.9 9.4 9 229 10615 125 13 -10.6 7.5 | 152 11 -5.1 9.7 10 200 11460 95 17 -16.9 1.5 | 108 12 -11.4 3.8 11 150 13280 85 13 -13.0 -1.1 | 99 8 -7.4 1.2 12 100 15870 80 9 -8.9 -1.6 | 102 3 -3.3 0.7 13 70 18150 140 7 -4.5 5.4 | 188 8 1.0 7.7 14 50 20310 150 3 -1.5 2.6 | 219 6 4.0 4.9 15 30 23600 195 13 3.4 12.6 | 211 17 8.9 14.8 16 20 26260 205 17 7.2 15.4 | 216 22 12.7 17.7 17 10 30920 230 27 20.7 17.4 | 233 33 26.2 19.6 Wind Parameters Mean winds (0-6000m): 37.4 at 8.0 knts Storm direction: 67.4 at 6.0 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 67.2 deg Storm rel helicity (0-3000m) pos: 17.9 neg: -0.3 tot: 17.6 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.30 Bulk Shear: 7.58 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 ------------------------------------------------------------------------------- 500 335 6 294 9| 6.4 0.0 6.4| 9.6 0.0 9.6 19.2 0.67| 6.8 4.6 1000 334 8 299 11| 3.3 0.0 3.3| 12.6 0.0 12.6 12.6 0.49| 5.6 2.8 1500 337 8 301 10| 1.7 0.0 1.7| 13.2 -0.3 12.9 8.6 0.40| 4.8 1.9 2000 342 8 303 9| 1.4 0.0 1.4| 15.2 -0.3 14.9 7.5 0.42| 4.0 1.7 2500 348 8 306 9| 1.3 0.0 1.3| 16.7 -0.3 16.4 6.6 0.44| 3.5 1.6 3000 354 8 309 8| 1.2 0.0 1.2| 17.9 -0.3 17.6 5.9 0.45| 3.2 1.5 4000 7 8 318 7| 1.2 0.0 1.2| 20.1 -0.3 19.8 4.9 0.51| 2.9 1.5 5000 21 8 331 6| 1.1 0.0 1.1| 22.5 -0.3 22.1 4.4 0.57| 2.7 1.5 6000 37 8 351 4| 1.0 0.1 1.0| 23.4 -0.9 22.5 3.8 0.54| 2.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251013.12.gif