UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 9 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 1014 114 -6.5 -10.0 76 3.5 -7.5 5 3 265.6 265.9 264.9 270.4 1.76 1 1000 222 -7.7 -12.3 70 4.6 -8.9 15 7 265.5 265.7 264.3 269.5 1.48 2 944 666 -11.9 -14.6 80 2.7 -12.5 15 8 265.6 265.8 264.0 269.2 1.30 3 925 821 -12.3 -14.7 82 2.4 -12.8 15 9 266.7 266.9 264.9 270.4 1.32 4 850 1463 -15.7 -21.7 60 6.0 -16.7 40 17 269.7 269.8 266.0 272.0 0.79 5 733 2570 -20.1 -26.1 59 6.0 -21.0 55 20 276.6 276.7 270.2 278.4 0.62 6 700 2910 -22.5 -28.5 58 6.0 -23.3 60 21 277.6 277.7 270.6 279.1 0.52 7 583 4231 -29.9 -34.7 63 4.8 -30.3 71 31 283.8 283.9 274.0 284.9 0.34 8 543 4734 -33.1 -39.1 55 6.0 -33.6 75 35 285.9 285.9 274.9 286.6 0.24 9 500 5310 -35.7 -43.7 44 8.0 -36.2 80 40 289.5 289.5 276.7 290.0 0.16 10 484 5537 -36.1 -44.1 44 8.0 -36.6 80 41 291.7 291.8 277.8 292.3 0.16 11 406 6740 -44.1 -54.1 32 10.0 -44.4 80 47 296.4 296.4 279.8 296.6 0.06 12 403 6790 -44.5 -54.5 32 10.0 -44.8 80 48 296.5 296.5 279.9 296.7 0.06 13 400 6840 -44.7 -54.7 32 10.0 -45.0 80 48 296.9 296.9 280.0 297.1 0.06 14 313 8447 -52.5 -63.5 25 11.0 -52.7 84 64 307.6 307.6 284.4 307.7 0.02 15 303 8656 -53.0 -64.0 25 11.0 -53.1 85 66 309.8 309.8 285.3 309.9 0.02 16 300 8720 -53.1 -64.1 25 11.0 -53.3 85 64 310.5 310.5 285.5 310.6 0.02 17 294 8851 -53.5 -64.5 25 11.0 -53.7 85 64 311.7 311.7 285.9 311.8 0.02 18 273 9330 -54.1 -65.1 25 11.0 -54.3 83 56 317.5 317.5 288.0 317.6 0.02 19 250 9900 -52.7 -63.7 25 11.0 -52.9 80 46 327.7 327.7 291.1 327.8 0.03 20 212 10963 -50.5 -63.5 20 13.0 -50.8 73 33 347.0 347.0 296.0 347.1 0.04 21 200 11340 -51.1 -64.1 20 13.0 -51.4 70 29 351.8 351.9 297.1 352.0 0.03 22 185 11846 -51.9 -65.9 17 14.0 -52.2 69 25 358.5 358.5 298.4 358.6 0.03 23 170 12400 -47.5 -63.5 14 16.0 -48.1 67 21 374.6 374.6 301.4 374.8 0.04 24 150 13220 -51.7 -69.7 10 18.0 -52.2 65 15 381.0 381.0 302.4 381.1 0.02 25 146 13395 -52.7 -70.7 10 18.0 -53.1 65 14 382.2 382.2 302.6 382.3 0.02 26 135 13904 -50.1 -69.1 9 19.0 -50.7 66 13 395.5 395.5 304.6 395.6 0.03 27 123 14510 -52.5 -72.5 7 20.0 -53.1 67 11 401.8 401.8 305.5 401.9 0.02 28 100 15850 -51.9 -73.9 5 22.0 -52.6 70 7 427.4 427.5 308.6 427.5 0.02 29 70 18150 -53.7 -77.7 4 24.0 -54.5 330 3 469.5 469.5 312.6 469.6 0.01 30 50 20320 -53.7 -77.7 4 24.0 -54.8 180 1 516.9 516.9 316.1 517.0 0.02 31 43 21288 -53.1 -77.1 4 24.0 -54.5 184 5 541.2 541.2 317.6 541.4 0.02 32 36 22437 -50.9 -74.9 4 24.0 -52.9 190 9 575.1 575.1 319.5 575.4 0.04 33 32 23200 -51.9 -75.9 4 24.0 -53.9 193 11 592.1 592.1 320.3 592.4 0.04 34 30 23620 -49.7 -74.7 4 25.0 -52.2 195 13 609.1 609.2 321.0 609.5 0.05 35 24 25095 -44.7 -70.7 4 26.0 -49.2 212 22 663.8 663.9 323.2 664.8 0.12 36 20 26310 -46.3 -72.3 4 26.0 -50.8 225 29 694.5 694.5 324.3 695.4 0.11 37 19 26650 -47.1 -73.1 4 26.0 -51.5 702.2 702.3 324.6 703.1 0.10 38 16 27801 -42.1 -69.1 4 27.0 -49.0 753.9 754.0 326.1 756.0 0.22 39 10 30964 -44.7 -70.7 4 26.0 -52.2 852.7 852.8 328.5 855.6 0.28 TRP 294 8851 -53.5 -64.5 25 11.0 -53.7 85 64 311.7 311.7 285.9 311.8 0.02 WND 303 8656 -53.0 -64.0 25 11.0 -53.1 85 66 309.8 309.8 285.3 309.9 0.02 Sounding variables and indices 1000-500 mb thick: 5088.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 61.94 % Est. max temperature: -2.95 C = 26.69 F Sfc-Lift cond lev (LCL): 959.10 mb = 543.56 m = 1783.30 ft T: -10.74 C 700-500 lapse rate: 5.50 C/km ThetaE index: 1.18 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 869.34 mb = 1292.22 m = 4239.52 ft Mean mixing ratio: 1.39 g/kg Conv temperature: -3.17 C = 26.30 F Cap Strength: 13.90 C Lifted Index: 16.49 C Risk: None Lifted Index @300 mb: 28.97 C Lifted Index @700 mb: 8.30 C Showalter Index: 14.61 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 14.00 C K Index: -7.70 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.91 J/kg Max Up Vert Vel: 3.44 m/s Conv Inhibition (B-): 76990.52 J/kg Cap Strength: 16.34 C Lift Cond Lev (LCL): 912.36 mb = 925.50 m = 3036.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 97 at 19 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 1014 114 5 3 -0.3 -3.0 | 286 19 18.3 -5.2 1 1000 222 15 7 -1.8 -6.8 | 298 19 16.8 -9.0 2 925 821 15 9 -2.3 -8.7 | 304 20 16.3 -10.9 3 850 1463 40 17 -10.9 -13.0 | 333 17 7.7 -15.3 4 700 2910 60 21 -18.2 -10.5 | 358 13 0.4 -12.7 5 500 5310 80 40 -39.4 -6.9 | 66 23 -20.8 -9.2 6 400 6840 80 48 -47.3 -8.3 | 70 31 -28.7 -10.6 7 303 8656 85 66 -65.7 -5.8 | 80 48 -47.2 -8.0 8 300 8720 85 64 -63.8 -5.6 | 80 46 -45.2 -7.8 9 294 8851 85 64 -63.8 -5.6 | 80 46 -45.2 -7.8 10 250 9900 80 46 -45.3 -8.0 | 69 29 -26.7 -10.2 11 200 11340 70 29 -27.3 -9.9 | 35 15 -8.7 -12.2 12 150 13220 65 15 -13.6 -6.3 | 330 10 5.0 -8.6 13 100 15850 70 7 -6.6 -2.4 | 291 13 12.0 -4.6 14 70 18150 330 3 1.5 -2.6 | 284 21 20.1 -4.8 15 50 20320 180 1 0.0 1.0 | 274 19 18.6 -1.2 16 30 23620 195 13 3.4 12.6 | 245 24 21.9 10.3 17 20 26310 225 29 20.5 20.5 | 245 43 39.1 18.3 Wind Parameters Mean winds (0-6000m): 66.9 at 25.0 knts Storm direction: 96.9 at 18.7 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 79.9 deg Storm rel helicity (0-3000m) pos: 108.0 neg: 0.0 tot: 108.0 m^2/s^2 ave: 36.0 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 60.48 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 15 7 298 19| 5.5 0.0 5.5| 26.9 0.0 26.9 53.8 0.99| 5.5 5.5 1000 17 8 303 19| 5.1 0.0 5.1| 51.4 0.0 51.4 51.4 0.99| 5.3 5.2 1500 27 11 311 18| 5.2 0.0 5.2| 79.6 0.0 79.6 53.0 0.97| 5.7 5.5 2000 34 13 318 17| 4.3 0.0 4.3| 88.6 0.0 88.6 44.3 0.95| 5.0 4.7 2500 39 14 324 16| 3.8 0.0 3.8| 97.2 0.0 97.2 38.9 0.93| 4.5 4.2 3000 44 15 329 15| 3.6 0.0 3.6|108.0 0.0 108.0 36.0 0.93| 4.4 4.1 4000 53 18 342 14| 3.8 0.0 3.8|139.1 0.0 139.1 34.8 0.93| 4.4 4.1 5000 61 22 1 13| 3.9 0.0 3.9|177.2 0.0 177.2 35.4 0.91| 4.5 4.1 6000 67 25 20 13| 3.5 0.2 3.7|192.0 0.0 192.0 32.0 0.84| 4.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251009.00.gif