UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 6 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 1010 115 -3.5 -9.5 63 6.0 -5.3 335 3 268.9 269.2 267.3 273.9 1.84 1 1000 193 -4.7 -12.7 54 8.0 -6.8 350 5 268.5 268.7 266.3 272.4 1.44 2 928 774 -10.7 -15.4 68 4.7 -11.8 350 11 268.1 268.3 265.7 271.6 1.24 3 925 799 -10.9 -15.5 69 4.6 -11.9 350 11 268.2 268.4 265.7 271.6 1.23 4 875 1224 -13.5 -17.0 75 3.5 -14.2 350 10 269.8 269.9 266.7 273.0 1.15 5 871 1259 -12.1 -15.4 76 3.3 -12.9 350 10 271.6 271.8 268.2 275.3 1.32 6 850 1446 -12.3 -17.3 66 5.0 -13.4 350 9 273.3 273.5 269.0 276.6 1.16 7 811 1804 -12.7 -22.7 43 10.0 -14.6 356 9 276.5 276.7 270.4 278.8 0.76 8 798 1928 -12.7 -23.7 39 11.0 -14.8 358 8 277.8 277.9 271.1 279.9 0.71 9 700 2916 -18.3 -31.3 31 13.0 -20.1 15 7 282.2 282.3 273.2 283.5 0.40 10 638 3603 -21.9 -35.9 27 14.0 -23.5 25 7 285.7 285.8 274.9 286.6 0.28 11 500 5350 -34.3 -44.3 36 10.0 -34.9 50 7 291.2 291.2 277.5 291.7 0.15 12 400 6870 -45.5 -54.5 36 9.0 -45.7 35 5 295.9 295.9 279.6 296.1 0.06 13 337 7997 -53.5 -62.5 33 9.0 -53.7 56 6 299.8 299.8 281.3 299.9 0.03 14 300 8740 -57.9 -65.9 35 8.0 -58.0 70 7 303.7 303.7 282.9 303.8 0.02 15 283 9105 -59.3 -67.3 35 8.0 -59.4 65 5 306.8 306.8 284.1 306.9 0.02 16 281 9149 -59.3 -67.3 35 8.0 -59.4 61 5 307.5 307.5 284.4 307.5 0.02 17 250 9880 -57.7 -64.7 40 7.0 -57.8 360 1 320.3 320.3 288.9 320.4 0.03 18 246 9982 -57.9 -64.9 40 7.0 -58.0 1 1 321.5 321.5 289.2 321.6 0.03 19 218 10753 -52.7 -60.7 37 8.0 -52.9 6 1 340.8 340.8 294.6 341.0 0.05 20 200 11310 -52.1 -61.1 33 9.0 -52.4 10 1 350.3 350.3 296.7 350.5 0.05 21 166 12521 -50.5 -62.5 23 12.0 -50.9 302 1 372.1 372.1 300.9 372.3 0.05 22 150 13180 -51.5 -65.5 17 14.0 -52.0 265 1 381.3 381.3 302.5 381.5 0.04 23 100 15800 -52.3 -71.3 8 19.0 -52.9 285 7 426.7 426.7 308.5 426.8 0.03 24 70 18100 -53.3 -74.3 6 21.0 -54.2 260 13 470.4 470.4 312.7 470.5 0.02 25 50 20270 -52.9 -75.9 5 23.0 -54.1 270 13 518.8 518.8 316.2 519.0 0.03 26 45 20948 -53.5 -77.5 4 24.0 -54.8 264 17 533.2 533.2 317.1 533.4 0.02 27 36 22394 -50.3 -75.3 4 25.0 -52.4 251 26 576.6 576.7 319.5 576.9 0.04 28 31 23367 -51.7 -75.7 4 24.0 -53.8 242 32 598.1 598.1 320.5 598.4 0.04 29 30 23580 -49.9 -74.9 4 25.0 -52.4 240 33 608.6 608.6 321.0 609.0 0.05 30 28 24034 -47.7 -73.7 3 26.0 -50.9 242 34 626.8 626.9 321.8 627.3 0.06 31 23 25329 -50.1 -75.1 4 25.0 -53.1 247 36 656.1 656.1 322.9 656.6 0.06 32 20 26250 -46.7 -72.7 4 26.0 -51.1 250 38 693.2 693.3 324.3 694.1 0.10 33 17 27331 -45.3 -71.3 4 26.0 -50.7 730.7 730.8 325.4 732.1 0.15 34 14 28623 -46.7 -72.7 4 26.0 -52.2 767.7 767.7 326.4 769.1 0.15 TRP 283 9105 -59.3 -67.3 35 8.0 -59.4 65 5 306.8 306.8 284.1 306.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5157.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 42.09 % Est. max temperature: 0.07 C = 32.13 F Sfc-Lift cond lev (LCL): 918.64 mb = 851.82 m = 2794.64 ft T: -11.22 C 700-500 lapse rate: 6.57 C/km ThetaE index: 2.34 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 711.10 mb = 2797.31 m = 9177.40 ft Mean mixing ratio: 1.35 g/kg Conv temperature: 9.35 C = 48.83 F Cap Strength: 12.83 C Lifted Index: 15.90 C Risk: None Lifted Index @300 mb: 22.47 C Lifted Index @700 mb: 10.51 C Showalter Index: 12.32 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 17.00 C K Index: -8.30 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.20 J/kg Max Up Vert Vel: 1.55 m/s Conv Inhibition (B-): 61055.90 J/kg Cap Strength: 15.87 C Lift Cond Lev (LCL): 870.94 mb = 1259.75 m = 4132.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 45 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 1010 115 335 3 1.3 -2.7 | 257 5 5.3 1.3 1 1000 193 350 5 0.9 -4.9 | 281 5 4.9 -0.9 2 925 799 350 11 1.9 -10.8 | 319 9 5.9 -6.8 3 850 1446 350 9 1.6 -8.9 | 311 7 5.6 -4.9 4 700 2916 15 7 -1.8 -6.8 | 322 4 2.2 -2.8 5 500 5350 50 7 -5.4 -4.5 | 69 1 -1.3 -0.5 6 400 6870 35 5 -2.9 -4.1 | 276 1 1.2 -0.1 7 300 8740 70 7 -6.6 -2.4 | 122 3 -2.6 1.6 8 283 9105 65 5 -4.5 -2.1 | 165 2 -0.5 1.9 9 250 9880 360 1 -0.0 -1.0 | 233 5 4.0 3.0 10 200 11310 10 1 -0.2 -1.0 | 232 5 3.8 3.0 11 150 13180 265 1 1.0 0.1 | 231 6 5.0 4.1 12 100 15800 285 7 6.8 -1.8 | 259 11 10.8 2.2 13 70 18100 260 13 12.8 2.3 | 250 18 16.8 6.2 14 50 20270 270 13 13.0 -0.0 | 257 17 17.0 4.0 15 30 23580 240 33 28.6 16.5 | 238 39 32.6 20.5 16 20 26250 250 38 35.7 13.0 | 247 43 39.7 17.0 Wind Parameters Mean winds (0-6000m): 15.3 at 7.5 knts Storm direction: 45.3 at 5.7 knts Shear (0-3000m) pos: 0.8 neg: 0.1 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 68.5 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -2.3 tot: 9.7 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.84 Bulk Shear: 1.43 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 ------------------------------------------------------------------------------- 500 349 7 296 6| 6.5 0.0 6.5| 8.1 0.0 8.1 16.3 0.85| 6.6 5.6 1000 350 8 308 7| 3.3 0.4 3.7| 10.3 -1.1 9.2 9.2 0.65| 4.7 3.1 1500 350 9 310 7| 1.8 0.3 2.1| 10.6 -2.3 8.3 5.5 0.52| 3.6 1.9 2000 352 9 311 7| 1.2 0.2 1.5| 11.4 -2.3 9.1 4.5 0.50| 3.1 1.6 2500 354 8 312 7| 0.9 0.2 1.1| 11.8 -2.3 9.5 3.8 0.47| 2.8 1.3 3000 356 8 313 6| 0.8 0.1 1.0| 12.0 -2.3 9.7 3.2 0.46| 2.5 1.1 4000 3 8 317 5| 0.7 0.1 0.8| 12.8 -2.3 10.5 2.6 0.48| 2.1 1.0 5000 9 8 323 5| 0.7 0.1 0.8| 13.5 -2.3 11.2 2.2 0.52| 1.9 1.0 6000 15 8 328 4| 0.5 0.1 0.7| 13.6 -2.4 11.2 1.9 0.46| 1.7 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251006.12.gif