UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 10 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 1016 113 -7.7 -10.5 80 2.8 -8.4 300 5 264.2 264.5 263.8 268.8 1.69 1 1000 236 -9.3 -13.2 73 3.9 -10.2 310 7 263.9 264.1 262.9 267.6 1.38 2 967 495 -11.5 -14.5 78 3.0 -12.2 316 10 264.2 264.4 263.0 267.7 1.28 3 925 835 -11.9 -14.5 81 2.6 -12.5 325 15 267.1 267.4 265.2 270.8 1.34 4 888 1148 -11.3 -13.7 82 2.4 -11.9 342 14 270.9 271.1 268.1 275.1 1.49 5 850 1482 -13.5 -16.5 78 3.0 -14.2 360 13 272.0 272.2 268.3 275.5 1.24 6 804 1903 -15.9 -18.9 78 3.0 -16.5 4 12 273.8 274.0 269.2 276.9 1.07 7 747 2456 -17.1 -19.5 82 2.4 -17.6 10 12 278.3 278.5 272.1 281.5 1.09 8 712 2817 -16.1 -18.6 81 2.5 -16.7 14 11 283.3 283.5 275.0 287.0 1.24 9 700 2945 -16.9 -19.5 80 2.6 -17.4 15 11 283.8 284.0 275.2 287.3 1.16 10 520 5121 -28.9 -32.6 70 3.7 -29.3 46 22 294.5 294.6 279.6 296.0 0.47 11 500 5400 -31.1 -34.6 71 3.5 -31.4 50 23 295.1 295.2 279.7 296.5 0.41 12 413 6724 -41.5 -45.6 64 4.1 -41.7 50 32 298.3 298.3 280.8 298.9 0.16 13 400 6940 -42.5 -46.8 63 4.3 -42.7 50 33 299.8 299.8 281.4 300.3 0.14 14 391 7094 -43.1 -47.5 62 4.4 -43.3 51 35 300.9 301.0 281.9 301.4 0.13 15 302 8788 -56.1 -60.6 57 4.5 -56.2 60 63 305.7 305.7 283.7 305.8 0.04 16 300 8830 -56.3 -60.8 57 4.5 -56.3 60 64 306.0 306.0 283.8 306.1 0.04 17 270 9491 -60.5 -64.9 56 4.4 -60.6 65 66 309.2 309.2 285.1 309.3 0.02 18 268 9537 -60.5 -64.9 56 4.4 -60.6 65 66 309.9 309.9 285.3 310.0 0.02 19 265 9607 -60.5 -64.9 56 4.4 -60.6 64 64 310.9 310.9 285.7 311.0 0.02 20 250 9970 -59.1 -63.9 54 4.8 -59.2 60 52 318.2 318.2 288.2 318.3 0.03 21 244 10123 -57.5 -62.4 54 4.9 -57.6 61 50 322.8 322.8 289.6 323.0 0.04 22 220 10780 -55.9 -60.8 54 4.9 -56.0 63 42 335.0 335.0 293.1 335.2 0.05 23 200 11390 -53.9 -59.9 48 6.0 -54.1 65 35 347.4 347.4 296.1 347.7 0.06 24 196 11520 -53.1 -59.1 48 6.0 -53.3 65 34 350.7 350.7 296.8 351.0 0.07 25 150 13240 -53.1 -63.1 29 10.0 -53.4 65 23 378.6 378.6 302.1 378.8 0.05 26 100 15850 -52.9 -67.9 15 15.0 -53.5 60 17 425.5 425.5 308.4 425.7 0.04 27 87 16750 -52.9 -69.9 11 17.0 -53.6 68 12 442.8 442.8 310.2 443.0 0.04 28 70 18150 -54.1 -73.1 8 19.0 -54.9 80 5 468.6 468.7 312.5 468.8 0.03 29 51 20173 -54.5 -74.5 7 20.0 -55.5 169 7 512.1 512.1 315.8 512.3 0.03 30 50 20300 -54.1 -75.1 6 21.0 -55.2 175 7 516.0 516.0 316.1 516.2 0.03 31 33 22986 -51.9 -74.9 5 23.0 -53.8 195 14 586.9 586.9 320.0 587.3 0.04 32 30 23610 -48.5 -72.5 5 24.0 -51.3 200 15 612.4 612.4 321.2 613.0 0.07 33 28 24064 -47.1 -71.1 5 24.0 -50.4 197 18 628.5 628.6 321.9 629.2 0.09 34 26 24552 -49.3 -73.3 4 24.0 -52.2 195 21 635.7 635.8 322.2 636.3 0.07 35 24 25080 -45.7 -70.7 4 25.0 -49.8 192 24 660.9 661.0 323.2 661.9 0.12 36 20 26290 -46.5 -72.5 4 26.0 -51.0 185 31 693.8 693.9 324.3 694.8 0.11 37 18 26991 -47.1 -73.1 4 26.0 -51.7 192 31 713.2 713.2 324.8 714.1 0.11 38 17 27373 -44.1 -70.1 4 26.0 -49.9 196 31 734.6 734.6 325.6 736.2 0.18 39 14 28671 -46.5 -72.5 4 26.0 -52.1 208 31 768.4 768.4 326.5 769.8 0.15 40 10 30920 -44.3 -70.3 4 26.0 -52.0 230 31 854.2 854.3 328.5 857.3 0.29 41 9.4 31336 -42.5 -69.5 4 27.0 -51.3 876.3 876.5 329.0 880.1 0.35 TRP 270 9491 -60.5 -64.9 56 4.4 -60.6 65 66 309.2 309.2 285.1 309.3 0.02 WND 268 9537 -60.5 -64.9 56 4.4 -60.6 65 66 309.9 309.9 285.3 310.0 0.02 Sounding variables and indices 1000-500 mb thick: 5164.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 77.22 % Est. max temperature: -0.38 C = 31.32 F Sfc-Lift cond lev (LCL): 971.58 mb = 458.12 m = 1502.99 ft T: -11.19 C 700-500 lapse rate: 5.78 C/km ThetaE index: 1.20 C Layer 1000.0- 967.0 mb Conv cond level (CCL): 773.72 mb = 2192.11 m = 7191.87 ft Mean mixing ratio: 1.36 g/kg Conv temperature: 4.26 C = 39.67 F Cap Strength: 21.53 C Lifted Index: 21.79 C Risk: None Lifted Index @300 mb: 26.39 C Lifted Index @700 mb: 14.60 C Showalter Index: 16.34 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 14.60 C K Index: -1.50 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 4.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.69 J/kg Max Up Vert Vel: 5.42 m/s Conv Inhibition (B-): 66447.73 J/kg Cap Strength: 21.65 C Lift Cond Lev (LCL): 918.24 mb = 891.26 m = 2924.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 55 at 12 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 1016 113 300 5 4.3 -2.5 | 253 15 14.0 4.3 1 1000 236 310 7 5.4 -4.5 | 261 15 15.0 2.3 2 925 835 325 15 8.6 -12.3 | 287 19 18.2 -5.5 3 850 1482 360 13 -0.0 -13.0 | 303 11 9.6 -6.2 4 700 2945 15 11 -2.8 -10.6 | 300 8 6.8 -3.9 5 500 5400 50 23 -17.6 -14.8 | 45 11 -8.0 -8.0 6 400 6940 50 33 -25.3 -21.2 | 47 21 -15.6 -14.5 7 300 8830 60 64 -55.4 -32.0 | 61 52 -45.8 -25.2 8 270 9491 65 66 -59.8 -27.9 | 67 54 -50.2 -21.1 9 268 9537 65 66 -59.8 -27.9 | 67 54 -50.2 -21.1 10 250 9970 60 52 -45.0 -26.0 | 61 40 -35.4 -19.2 11 200 11390 65 35 -31.7 -14.8 | 70 24 -22.1 -8.0 12 150 13240 65 23 -20.8 -9.7 | 75 12 -11.2 -3.0 13 100 15850 60 17 -14.7 -8.5 | 71 5 -5.1 -1.7 14 70 18150 80 5 -4.9 -0.9 | 219 8 4.7 5.9 15 50 20300 175 7 -0.6 7.0 | 213 16 9.0 13.7 16 30 23610 200 15 5.1 14.1 | 215 26 14.8 20.9 17 20 26290 185 31 2.7 30.9 | 198 40 12.3 37.6 18 10 30920 230 31 23.7 19.9 | 231 43 33.4 26.7 Wind Parameters Mean winds (0-6000m): 24.9 at 15.7 knts Storm direction: 54.9 at 11.8 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 53.5 deg Storm rel helicity (0-3000m) pos: 62.9 neg: -1.1 tot: 61.7 m^2/s^2 ave: 20.6 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.48 Bulk Shear: 30.59 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 ------------------------------------------------------------------------------- 500 314 9 267 16| 7.7 0.0 7.7| 28.9 0.0 28.9 57.7 0.91| 7.7 7.1 1000 324 11 278 17| 5.6 0.0 5.6| 53.4 0.0 53.4 53.4 0.83| 7.4 6.2 1500 334 12 285 16| 3.9 0.0 3.9| 61.0 0.0 61.0 40.7 0.72| 6.7 4.8 2000 341 12 289 14| 2.9 0.0 2.9| 61.0 -0.2 60.9 30.4 0.67| 5.4 3.6 2500 347 12 292 13| 2.3 0.0 2.3| 61.0 -0.7 60.4 24.1 0.62| 4.6 2.8 3000 351 12 294 12| 2.0 0.0 2.0| 62.9 -1.1 61.7 20.6 0.61| 4.1 2.5 4000 1 13 302 11| 2.3 0.0 2.3| 74.5 -1.1 73.4 18.3 0.69| 3.9 2.6 5000 14 14 317 9| 2.4 0.0 2.4| 88.8 -1.1 87.7 17.5 0.73| 3.8 2.8 6000 25 16 338 8| 2.3 0.3 2.6| 95.1 -1.1 93.9 15.7 0.66| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251010.00.gif