UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 18 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 1008 71 2.6 -6.4 51 9.0 -0.6 90 3 275.1 275.5 272.1 281.6 2.34 1 1000 135 1.2 -7.8 51 9.0 -1.9 95 7 274.4 274.7 271.3 280.3 2.12 2 979 306 0.0 -9.0 51 9.0 -3.0 81 8 274.8 275.1 271.4 280.3 1.97 3 939 639 -0.9 -8.9 55 8.0 -3.6 55 9 277.2 277.5 272.9 283.1 2.07 4 929 725 0.8 -7.2 55 8.0 -2.1 48 9 279.8 280.2 274.9 286.6 2.39 5 925 760 0.8 -7.2 55 8.0 -2.1 45 9 280.1 280.5 275.0 287.0 2.40 6 865 1295 -2.3 -11.3 50 9.0 -5.2 69 14 282.3 282.6 275.5 287.7 1.86 7 850 1433 -3.5 -12.5 50 9.0 -6.2 75 15 282.5 282.8 275.3 287.5 1.72 8 827 1649 -5.5 -13.5 53 8.0 -7.8 73 15 282.6 282.9 275.3 287.4 1.63 9 751 2399 -10.9 -15.0 72 4.1 -12.0 65 14 284.6 284.9 276.3 289.3 1.59 10 718 2744 -11.3 -13.4 84 2.1 -11.9 62 13 287.9 288.2 278.4 293.5 1.89 11 700 2939 -11.3 -13.1 87 1.8 -11.8 60 13 290.0 290.3 279.5 295.9 1.99 12 671 3263 -11.9 -13.4 89 1.5 -12.3 65 14 292.8 293.2 280.8 298.9 2.03 13 642 3600 -11.9 -13.9 85 2.0 -12.5 70 15 296.6 296.9 282.5 302.8 2.03 14 500 5460 -25.5 -28.0 80 2.5 -25.9 100 21 301.9 302.1 283.2 304.5 0.76 15 499 5475 -25.5 -28.0 80 2.5 -25.9 100 21 302.1 302.3 283.2 304.6 0.76 16 400 7040 -39.3 -42.8 69 3.5 -39.5 115 23 303.9 304.0 283.2 304.7 0.22 17 352 7900 -47.5 -50.9 68 3.4 -47.6 122 32 304.2 304.2 283.2 304.5 0.10 18 308 8770 -53.9 -57.6 64 3.7 -54.0 130 42 307.1 307.1 284.3 307.2 0.05 19 300 8940 -51.9 -55.4 66 3.5 -52.0 130 38 312.2 312.2 286.2 312.5 0.07 20 276 9478 -52.3 -55.9 65 3.6 -52.4 139 25 319.2 319.2 288.5 319.4 0.07 21 250 10120 -49.5 -53.8 61 4.3 -49.7 150 9 332.5 332.5 292.5 332.9 0.10 22 240 10387 -49.5 -54.0 59 4.5 -49.7 159 10 336.4 336.4 293.5 336.8 0.10 23 219 10986 -48.7 -54.7 50 6.0 -49.0 180 11 346.5 346.6 296.0 347.0 0.10 24 200 11580 -49.9 -56.9 44 7.0 -50.2 200 13 353.8 353.8 297.5 354.1 0.09 25 167 12755 -50.5 -59.5 34 9.0 -50.8 231 12 371.5 371.5 300.9 371.8 0.08 26 150 13450 -53.3 -63.3 29 10.0 -53.6 250 11 378.2 378.2 302.0 378.5 0.05 27 145 13668 -54.5 -64.5 28 10.0 -54.8 250 11 379.8 379.8 302.2 380.1 0.05 28 122 14775 -53.9 -64.9 25 11.0 -54.3 247 13 400.2 400.2 305.3 400.4 0.05 29 100 16040 -57.7 -69.7 20 12.0 -58.0 245 15 416.2 416.3 307.3 416.4 0.03 30 88 16845 -60.9 -72.9 19 12.0 -61.2 256 16 425.3 425.3 308.3 425.4 0.02 31 71 18191 -58.9 -72.9 15 14.0 -59.3 274 17 456.5 456.5 311.5 456.7 0.03 32 70 18280 -59.5 -73.5 15 14.0 -59.9 275 17 457.1 457.1 311.5 457.2 0.03 33 50 20370 -60.7 -74.7 14 14.0 -61.2 280 17 500.4 500.4 315.0 500.6 0.03 34 49 20496 -61.5 -75.5 14 14.0 -61.9 280 17 501.4 501.5 315.1 501.6 0.03 35 35 22575 -63.7 -78.7 11 15.0 -64.1 287 17 546.4 546.4 317.9 546.5 0.02 36 30 23530 -60.1 -75.1 12 15.0 -60.9 290 17 580.8 580.8 319.7 581.1 0.05 37 26 24420 -61.3 -76.3 12 15.0 -62.1 601.7 601.7 320.7 602.0 0.05 TRP 308 8770 -53.9 -57.6 64 3.7 -54.0 130 42 307.1 307.1 284.3 307.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5325.00 m Freezing level: 979.00 mb = 305.55 m = 1002.46 ft Freezing level: 933.71 mb = 684.92 m = 2247.07 ft Freezing level: 909.52 mb = 897.97 m = 2946.07 ft Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 71.50 % Est. max temperature: 9.89 C = 49.80 F Sfc-Lift cond lev (LCL): 876.24 mb = 1191.68 m = 3909.65 ft T: -1.70 C 700-500 lapse rate: 5.63 C/km ThetaE index: 1.39 C Layer 1000.0- 979.0 mb Conv cond level (CCL): 620.78 mb = 3850.02 m = 12631.15 ft Mean mixing ratio: 2.13 g/kg Conv temperature: 24.84 C = 76.72 F Cap Strength: 14.04 C Lifted Index: 16.20 C Risk: None Lifted Index @300 mb: 20.85 C Lifted Index @700 mb: 9.31 C Showalter Index: 12.62 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 13.00 C K Index: 7.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.19 J/kg Max Up Vert Vel: 7.51 m/s Conv Inhibition (B-): 48345.75 J/kg Cap Strength: 16.07 C Lift Cond Lev (LCL): 837.48 mb = 1549.93 m = 5085.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 111 at 11 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 1008 71 90 3 -3.0 0.0 | 298 9 7.6 -4.1 1 1000 135 95 7 -7.0 0.6 | 313 5 3.6 -3.4 2 925 760 45 9 -6.4 -6.4 | 338 11 4.2 -10.4 3 850 1433 75 15 -14.5 -3.9 | 26 9 -3.9 -7.9 4 700 2939 60 13 -11.3 -6.5 | 4 11 -0.6 -10.6 5 500 5460 100 21 -20.7 3.6 | 88 10 -10.1 -0.4 6 400 7040 115 23 -20.8 9.7 | 119 12 -10.2 5.7 7 308 8770 130 42 -32.2 27.0 | 137 31 -21.6 22.9 8 300 8940 130 38 -29.1 24.4 | 138 28 -18.5 20.4 9 250 10120 150 9 -4.5 7.8 | 239 7 6.1 3.7 10 200 11580 200 13 4.4 12.2 | 242 17 15.1 8.2 11 150 13450 250 11 10.3 3.8 | 271 21 20.9 -0.3 12 100 16040 245 15 13.6 6.3 | 265 24 24.2 2.3 13 70 18280 275 17 16.9 -1.5 | 281 28 27.5 -5.5 14 50 20370 280 17 16.7 -3.0 | 284 28 27.4 -7.0 15 30 23530 290 17 16.0 -5.8 | 290 28 26.6 -9.9 Wind Parameters Mean winds (0-6000m): 80.9 at 15.1 knts Storm direction: 110.9 at 11.4 knts Shear (0-3000m) pos: 0.8 neg: 1.6 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 68.8 deg Storm rel helicity (0-3000m) pos: 30.6 neg: -9.1 tot: 21.6 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.48 Bulk Shear: 8.09 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 78 7 329 7| 0.0 6.2 6.2| 7.7 0.0 7.7 15.3 0.53| 8.9 4.7 1000 62 9 339 9| 0.0 4.8 4.8| 17.6 0.0 17.6 17.6 0.55| 7.5 4.2 1500 67 10 352 8| 1.6 3.2 4.8| 29.3 -0.6 28.7 19.1 0.63| 6.8 4.3 2000 68 11 359 8| 1.2 2.4 3.6| 29.3 -3.8 25.5 12.8 0.53| 5.5 2.9 2500 68 12 2 9| 0.9 1.9 2.9| 29.3 -7.1 22.3 8.9 0.44| 4.6 2.1 3000 67 12 3 9| 0.8 1.6 2.4| 30.6 -9.1 21.6 7.2 0.41| 4.1 1.7 4000 68 13 8 9| 1.3 1.2 2.5| 44.0 -9.1 34.9 8.7 0.51| 3.7 1.9 5000 74 14 19 8| 1.6 1.0 2.5| 58.6 -9.1 49.5 9.9 0.59| 3.6 2.1 6000 81 15 34 8| 1.7 0.8 2.5| 71.0 -9.1 62.0 10.3 0.64| 3.4 2.2 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251018.00.gif