UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 13 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1022 71 -5.3 -8.7 77 3.4 -6.3 100 3 266.2 266.5 265.6 271.4 1.93 1 1011 156 -5.7 -10.4 69 4.7 -7.0 115 13 266.6 266.9 265.5 271.3 1.71 2 1000 242 -5.3 -10.1 69 4.8 -6.7 130 23 267.9 268.1 266.5 272.7 1.77 3 980 401 -3.7 -8.7 68 5.0 -5.3 127 19 271.0 271.3 269.0 276.6 2.02 4 925 855 -7.3 -12.3 67 5.0 -8.7 120 9 271.8 272.1 268.9 276.3 1.60 5 912 965 -7.9 -12.9 67 5.0 -9.2 121 9 272.3 272.6 269.1 276.7 1.55 6 908 999 -7.5 -12.5 67 5.0 -8.9 121 9 273.1 273.4 269.7 277.6 1.61 7 903 1042 -5.5 -11.5 63 6.0 -7.2 121 9 275.6 275.9 271.5 280.5 1.75 8 898 1086 -4.5 -14.5 46 10.0 -7.2 122 9 277.0 277.3 271.8 281.0 1.38 9 889 1165 -4.3 -16.3 39 12.0 -7.5 122 9 278.1 278.3 272.1 281.6 1.20 10 850 1518 -4.9 -17.9 35 13.0 -8.2 125 9 281.0 281.2 273.6 284.3 1.10 11 761 2383 -7.3 -22.3 29 15.0 -10.8 139 8 287.4 287.6 276.7 290.0 0.84 12 700 3029 -10.7 -27.7 23 17.0 -14.0 150 7 290.6 290.7 277.9 292.4 0.56 13 550 4844 -20.9 -37.9 20 17.0 -23.0 265 4 299.3 299.3 281.4 300.2 0.27 14 534 5061 -22.7 -40.7 18 18.0 -24.7 279 4 299.7 299.7 281.5 300.4 0.20 15 500 5540 -25.7 -42.7 19 17.0 -27.3 310 3 301.7 301.7 282.3 302.3 0.18 16 428 6648 -32.9 -48.9 19 16.0 -34.0 345 10 306.2 306.3 284.0 306.6 0.10 17 400 7120 -36.5 -51.5 20 15.0 -37.3 360 13 307.6 307.6 284.5 307.9 0.08 18 300 9050 -51.7 -63.7 22 12.0 -51.9 350 15 312.5 312.5 286.2 312.6 0.02 19 272 9676 -56.5 -67.5 24 11.0 -56.6 355 13 314.4 314.4 286.9 314.5 0.02 20 250 10210 -55.5 -66.5 24 11.0 -55.6 340 13 323.6 323.6 289.9 323.6 0.02 21 240 10470 -56.5 -66.5 27 10.0 -56.6 335 12 325.9 325.9 290.6 325.9 0.02 22 216 11144 -53.7 -63.7 28 10.0 -53.9 324 10 340.2 340.2 294.4 340.3 0.03 23 213 11234 -53.7 -63.7 28 10.0 -53.9 322 10 341.5 341.5 294.7 341.7 0.03 24 212 11264 -53.7 -63.7 28 10.0 -53.9 322 10 342.0 342.0 294.8 342.1 0.03 25 204 11512 -53.3 -63.3 29 10.0 -53.5 317 9 346.4 346.4 295.8 346.6 0.04 26 200 11640 -53.3 -63.3 29 10.0 -53.5 315 9 348.4 348.4 296.3 348.5 0.04 27 194 11836 -54.1 -65.1 25 11.0 -54.4 350.1 350.1 296.7 350.3 0.03 28 190 11970 -53.7 -64.7 25 11.0 -53.9 352.9 352.9 297.3 353.0 0.03 29 185 12141 -53.9 -64.9 25 11.0 -54.2 355.2 355.3 297.8 355.4 0.03 30 183 12211 -53.9 -64.9 25 11.0 -54.2 356.4 356.4 298.0 356.5 0.03 31 179 12353 -54.1 -65.1 25 11.0 -54.4 358.3 358.3 298.4 358.4 0.03 32 175 12498 -53.7 -64.7 25 11.0 -54.0 361.3 361.3 299.0 361.4 0.04 33 170 12684 -53.9 -64.9 25 11.0 -54.2 363.9 363.9 299.5 364.1 0.04 34 158 13153 -54.9 -66.9 21 12.0 -55.2 369.9 370.0 300.6 370.1 0.03 TRP 272 9676 -56.5 -67.5 24 11.0 -56.6 355 13 314.4 314.4 286.9 314.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 33.00 % Est. max temperature: 7.92 C = 46.25 F Sfc-Lift cond lev (LCL): 968.37 mb = 495.10 m = 1624.31 ft T: -4.44 C 700-500 lapse rate: 5.97 C/km ThetaE index: 0.24 C Layer 925.0- 912.0 mb Conv cond level (CCL): 622.51 mb = 3911.92 m = 12834.24 ft Mean mixing ratio: 1.81 g/kg Conv temperature: 23.56 C = 74.41 F Cap Strength: 20.93 C Lifted Index: 22.09 C Risk: None Lifted Index @300 mb: 26.50 C Lifted Index @700 mb: 15.71 C Showalter Index: 14.89 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 7.80 C K Index: -14.10 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.21 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 13754.33 J/kg Cap Strength: 21.81 C Lift Cond Lev (LCL): 899.14 mb = 1075.94 m = 3529.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 164 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 1022 71 100 3 -3.0 0.5 | 17 5 -1.5 -4.9 1 1000 242 130 23 -17.6 14.8 | 120 19 -16.1 9.4 2 925 855 120 9 -7.8 4.5 | 82 6 -6.3 -0.9 3 850 1518 125 9 -7.4 5.2 | 88 6 -5.9 -0.2 4 700 3029 150 7 -3.5 6.1 | 109 2 -2.0 0.7 5 500 5540 310 3 2.3 -1.9 | 333 8 3.8 -7.3 6 400 7120 360 13 -0.0 -13.0 | 355 18 1.5 -18.4 7 300 9050 350 15 2.6 -14.8 | 349 21 4.1 -20.2 8 272 9676 355 13 1.1 -13.0 | 352 19 2.6 -18.3 9 250 10210 340 13 4.4 -12.2 | 341 19 5.9 -17.6 10 200 11640 315 9 6.4 -6.4 | 326 14 7.9 -11.8 Wind Parameters Mean winds (0-6000m): 134.5 at 7.5 knts Storm direction: 164.5 at 5.6 knts Shear (0-3000m) pos: 1.9 neg: 1.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 97.9 deg Storm rel helicity (0-3000m) pos: 39.1 neg: -20.9 tot: 18.2 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.94 Bulk Shear: 12.49 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 ------------------------------------------------------------------------------- 500 128 17 113 13| 13.2 0.0 13.2| 36.5 -12.4 24.1 48.2 0.49| 29.9 14.7 1000 126 14 106 10| 6.6 3.3 9.9| 36.8 -20.9 15.8 15.8 0.30| 18.5 5.5 1500 126 12 102 9| 4.4 2.2 6.6| 37.5 -20.9 16.6 11.1 0.31| 12.5 3.9 2000 126 11 100 8| 3.2 1.7 4.8| 38.3 -20.9 17.4 8.7 0.31| 9.8 3.0 2500 128 11 100 7| 2.4 1.3 3.8| 38.8 -20.9 17.8 7.1 0.31| 8.1 2.5 3000 130 10 100 6| 1.9 1.1 3.0| 39.1 -20.9 18.2 6.1 0.31| 7.0 2.2 4000 136 9 104 5| 1.0 0.8 1.9| 41.9 -20.9 21.0 5.2 0.37| 6.2 2.3 5000 137 8 99 4| 0.3 0.7 1.0| 49.2 -20.9 28.3 5.7 0.41| 5.5 2.3 6000 134 7 88 4| 0.2 0.6 0.7| 54.8 -21.0 33.8 5.6 0.42| 5.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251013.00.gif