UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 20 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 1018 112 -7.3 -11.1 74 3.8 -8.3 280 1 264.5 264.8 263.8 268.8 1.61 1 1016 128 -5.1 -8.0 80 2.9 -6.0 284 2 266.8 267.2 266.3 272.4 2.05 2 1003 229 -4.5 -8.2 75 3.7 -5.6 313 6 268.4 268.8 267.4 274.0 2.05 3 1000 252 -4.7 -8.7 74 4.0 -5.9 320 7 268.5 268.8 267.3 273.8 1.98 4 945 695 -7.3 -14.3 57 7.0 -9.1 338 17 270.2 270.4 267.3 273.9 1.33 5 925 862 -6.3 -13.3 58 7.0 -8.2 345 21 272.9 273.1 269.3 277.0 1.48 6 867 1366 -9.3 -19.3 44 10.0 -11.5 341 24 274.8 275.0 269.7 277.6 0.96 7 850 1519 -8.3 -19.3 41 11.0 -10.8 340 25 277.5 277.6 271.3 280.3 0.98 8 828 1722 -8.3 -21.3 34 13.0 -11.2 341 26 279.5 279.7 272.3 282.1 0.84 9 758 2404 -10.5 -28.5 21 18.0 -13.7 346 30 284.3 284.4 274.5 285.8 0.48 10 749 2496 -10.7 -27.7 23 17.0 -13.9 347 30 285.1 285.2 274.9 286.7 0.52 11 723 2766 -12.3 -19.3 56 7.0 -13.9 348 32 286.2 286.4 276.5 289.7 1.15 12 700 3012 -14.3 -19.3 66 5.0 -15.4 350 33 286.6 286.9 276.7 290.2 1.18 13 656 3501 -16.5 -20.8 69 4.3 -17.4 352 37 289.5 289.7 278.1 292.9 1.11 14 533 5031 -25.7 -30.3 65 4.6 -26.3 358 48 296.2 296.3 280.5 298.1 0.58 15 531 5058 -25.9 -30.6 65 4.7 -26.6 358 49 296.3 296.4 280.5 298.2 0.56 16 500 5490 -28.9 -35.9 51 7.0 -29.7 360 52 297.8 297.9 280.9 299.0 0.36 17 469 5945 -32.5 -42.5 36 10.0 -33.3 360 52 298.8 298.9 281.1 299.5 0.19 18 400 7050 -40.3 -48.3 42 8.0 -40.7 360 52 302.6 302.6 282.6 303.0 0.12 19 300 8960 -52.9 -58.9 48 6.0 -53.0 360 56 310.8 310.8 285.7 311.0 0.05 20 261 9842 -59.1 -64.1 52 5.0 -59.2 360 61 314.3 314.3 286.9 314.4 0.03 21 250 10110 -60.9 -65.9 52 5.0 -61.0 360 62 315.5 315.5 287.3 315.6 0.02 22 243 10286 -61.5 -66.5 51 5.0 -61.6 360 64 317.2 317.2 287.8 317.3 0.02 23 209 11211 -64.7 -69.6 51 4.9 -64.7 5 60 326.2 326.2 290.6 326.2 0.02 24 200 11480 -63.7 -68.7 50 5.0 -63.7 5 54 331.9 331.9 292.3 332.0 0.02 25 174 12345 -60.7 -65.6 52 4.9 -60.8 0 45 350.3 350.3 296.7 350.5 0.03 26 156 13032 -57.7 -62.7 53 5.0 -57.8 356 38 366.5 366.5 300.0 366.8 0.05 27 150 13280 -58.9 -63.9 52 5.0 -59.0 355 36 368.6 368.6 300.4 368.8 0.05 28 100 15830 -59.3 -66.3 40 7.0 -59.5 10 21 413.2 413.2 306.9 413.4 0.05 29 70 18060 -59.9 -68.9 30 9.0 -60.2 355 11 456.2 456.3 311.4 456.5 0.05 30 50 20160 -60.3 -71.3 22 11.0 -60.7 335 9 501.4 501.4 315.1 501.7 0.05 31 48 20414 -60.9 -71.9 22 11.0 -61.3 328 8 505.8 505.9 315.4 506.1 0.05 32 30 23350 -58.7 -71.7 17 13.0 -59.6 250 1 584.6 584.6 319.9 585.2 0.08 33 28 23784 -59.1 -73.1 15 14.0 -60.0 247 3 595.2 595.2 320.4 595.7 0.07 34 20 25920 -54.5 -69.5 14 15.0 -56.5 230 13 669.4 669.4 323.4 670.7 0.16 35 16 27368 -49.7 -66.7 12 17.0 -53.4 227 21 729.1 729.3 325.4 731.9 0.30 36 12 29255 -49.5 -68.5 9 19.0 -54.1 223 31 792.4 792.5 327.1 795.5 0.32 37 11 29832 -44.5 -65.5 8 21.0 -51.4 221 35 830.5 830.8 328.1 835.9 0.52 38 10 30470 -45.5 -66.5 8 21.0 -52.3 220 38 849.7 850.0 328.5 855.0 0.50 39 9.7 30673 -45.9 -67.9 7 22.0 -52.7 855.6 855.9 328.6 860.2 0.42 40 8.0 31964 -42.9 -66.9 5 24.0 -52.0 916.0 916.4 329.8 922.8 0.59 TRP 209 11211 -64.7 -69.6 51 4.9 -64.7 5 60 326.2 326.2 290.6 326.2 0.02 WND 243 10286 -61.5 -66.5 51 5.0 -61.6 360 64 317.2 317.2 287.8 317.3 0.02 Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 55.66 % Est. max temperature: 3.06 C = 37.51 F Sfc-Lift cond lev (LCL): 958.19 mb = 586.41 m = 1923.89 ft T: -6.66 C 700-500 lapse rate: 5.89 C/km ThetaE index: 0.16 C Layer 1000.0- 945.0 mb Conv cond level (CCL): 666.31 mb = 3383.48 m = 11100.51 ft Mean mixing ratio: 1.65 g/kg Conv temperature: 17.17 C = 62.91 F Cap Strength: 18.73 C Lifted Index: 19.54 C Risk: None Lifted Index @300 mb: 25.89 C Lifted Index @700 mb: 12.75 C Showalter Index: 14.79 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 9.60 C K Index: -3.70 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.11 J/kg Max Up Vert Vel: 6.02 m/s Conv Inhibition (B-): 61190.79 J/kg Cap Strength: 19.37 C Lift Cond Lev (LCL): 887.16 mb = 1186.84 m = 3893.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 23 at 26 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 1018 112 280 1 1.0 -0.2 | 205 26 11.0 23.6 1 1000 252 320 7 4.5 -5.4 | 218 23 14.5 18.5 2 925 862 345 21 5.4 -20.3 | 257 16 15.5 3.5 3 850 1519 340 25 8.6 -23.5 | 269 19 18.6 0.3 4 700 3012 350 33 5.7 -32.5 | 299 18 15.8 -8.7 5 500 5490 360 52 -0.0 -52.0 | 340 30 10.0 -28.2 6 400 7050 360 52 -0.0 -52.0 | 340 30 10.0 -28.2 7 300 8960 360 56 -0.0 -56.0 | 343 34 10.0 -32.2 8 250 10110 360 62 -0.0 -62.0 | 345 39 10.0 -38.2 9 243 10286 360 64 -0.0 -64.0 | 346 41 10.0 -40.2 10 209 11211 5 60 -5.2 -59.8 | 352 36 4.8 -36.0 11 200 11480 5 54 -4.7 -53.8 | 350 30 5.3 -30.0 12 150 13280 355 36 3.1 -35.9 | 312 18 13.2 -12.0 13 100 15830 10 21 -3.6 -20.7 | 244 7 6.4 3.1 14 70 18060 355 11 1.0 -11.0 | 221 17 11.0 12.9 15 50 20160 335 9 3.8 -8.2 | 221 21 13.8 15.7 16 30 23350 250 1 0.9 0.3 | 204 27 11.0 24.2 17 20 25920 230 13 10.0 8.4 | 212 38 20.0 32.2 18 10 30470 220 38 24.4 29.1 | 213 63 34.5 52.9 Wind Parameters Mean winds (0-6000m): 352.8 at 34.5 knts Storm direction: 22.8 at 25.8 knts Shear (0-3000m) pos: 5.3 neg: 0.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 96.2 deg Storm rel helicity (0-3000m) pos: 173.3 neg: 0.0 tot: 173.3 m^2/s^2 ave: 57.8 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.20 Bulk Shear: 92.40 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 ------------------------------------------------------------------------------- 500 328 9 223 22| 15.1 0.0 15.1| 82.6 0.0 82.6 165.1 0.89| 15.7 13.9 1000 340 15 236 18| 11.4 0.0 11.4|114.9 0.0 114.9 114.9 0.88| 12.1 10.6 1500 340 18 246 17| 7.6 1.1 8.7|127.3 0.0 127.3 84.9 0.87| 9.2 8.0 2000 341 20 253 17| 6.4 0.8 7.2|142.2 0.0 142.2 71.1 0.88| 7.7 6.8 2500 342 22 260 17| 5.7 0.6 6.3|157.4 0.0 157.4 62.9 0.89| 6.8 6.1 3000 344 24 266 17| 5.3 0.5 5.8|173.3 0.0 173.3 57.8 0.90| 6.3 5.6 4000 347 27 279 16| 5.0 0.4 5.4|210.7 0.0 210.7 52.7 0.89| 5.7 5.1 5000 350 31 293 17| 4.8 0.3 5.1|252.7 0.0 252.7 50.5 0.87| 5.4 4.8 6000 353 34 306 18| 4.2 0.3 4.5|270.2 0.0 270.2 45.0 0.87| 4.8 4.2 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251020.12.gif