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 U4688... Searching the city database file for: U4688 ... Date:0000Z 9 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 189 SFC 931 737 -14.3 -18.8 69 4.5 -15.2 220 1 264.2 264.3 262.3 266.8 0.93 2 925 786 -14.5 -19.5 66 5.0 -15.4 240 1 264.5 264.6 262.4 266.9 0.88 3 872 1229 -16.5 -21.5 65 5.0 -17.4 306 4 266.9 267.0 264.0 269.1 0.79 4 850 1420 -17.7 -22.6 66 4.9 -18.5 335 5 267.6 267.7 264.4 269.7 0.73 5 801 1865 -17.5 -23.5 59 6.0 -18.5 9 7 272.4 272.5 267.7 274.5 0.72 6 720 2656 -22.3 -27.3 64 5.0 -23.0 69 10 275.6 275.7 269.4 277.3 0.57 7 700 2863 -22.9 -27.8 64 4.9 -23.5 85 11 277.1 277.2 270.4 278.8 0.56 8 576 4279 -27.5 -33.5 57 6.0 -28.2 68 18 287.6 287.7 276.1 288.9 0.39 9 511 5128 -34.3 -40.3 55 6.0 -34.7 57 22 289.4 289.5 276.7 290.2 0.22 10 500 5280 -34.5 -39.5 60 5.0 -34.9 55 23 291.0 291.0 277.6 291.8 0.25 11 459 5874 -36.7 -41.7 60 5.0 -37.0 59 23 295.4 295.5 279.6 296.2 0.21 12 400 6810 -43.7 -49.7 51 6.0 -43.9 65 23 298.2 298.2 280.7 298.6 0.10 13 338 7923 -51.9 -57.9 48 6.0 -52.0 65 21 301.7 301.7 282.1 301.9 0.05 14 300 8690 -55.5 -61.5 47 6.0 -55.6 65 19 307.1 307.1 284.2 307.2 0.03 15 286 8995 -57.1 -63.1 46 6.0 -57.2 70 21 309.1 309.1 285.0 309.2 0.03 16 250 9850 -56.7 -62.7 47 6.0 -56.8 55 17 321.8 321.8 289.3 321.9 0.03 17 235 10242 -56.1 -63.1 41 7.0 -56.2 63 16 328.4 328.4 291.3 328.6 0.03 18 231 10351 -56.1 -63.1 41 7.0 -56.2 66 16 330.0 330.0 291.7 330.2 0.03 19 220 10664 -51.5 -58.5 43 7.0 -51.7 72 15 341.8 341.8 294.8 342.0 0.06 20 200 11280 -52.3 -60.3 38 8.0 -52.5 85 13 349.9 350.0 296.7 350.2 0.06 21 150 13150 -50.5 -65.5 15 15.0 -51.0 75 13 383.1 383.1 302.8 383.2 0.04 22 100 15810 -49.5 -71.5 6 22.0 -50.4 145 3 432.1 432.1 309.1 432.2 0.02 23 70 18150 -49.7 -74.7 4 25.0 -51.0 210 5 478.1 478.1 313.3 478.2 0.02 24 65 18633 -50.3 -75.3 4 25.0 -51.6 218 5 487.0 487.0 314.0 487.1 0.02 25 50 20350 -47.9 -73.9 3 26.0 -49.9 245 7 530.6 530.6 317.0 530.8 0.03 26 39 21995 -44.3 -70.3 4 26.0 -47.6 235 13 578.8 578.8 319.6 579.3 0.08 27 30 23740 -46.1 -72.1 4 26.0 -49.6 225 19 619.0 619.0 321.5 619.5 0.08 28 24 25216 -48.9 -73.9 4 25.0 -52.1 219 16 651.6 651.6 322.7 652.2 0.07 29 21 26103 -44.3 -70.3 4 26.0 -49.4 216 14 690.9 690.9 324.1 692.1 0.14 30 20 26430 -45.1 -71.1 4 26.0 -50.0 215 13 698.1 698.2 324.4 699.3 0.13 31 11 30390 -48.9 -73.9 4 25.0 -54.3 219 23 814.5 814.6 327.6 816.1 0.16 32 10 31020 -46.1 -72.1 4 26.0 -53.0 220 25 847.5 847.6 328.4 849.8 0.23 33 8.7 31947 -45.9 -71.9 4 26.0 -53.4 882.7 882.8 329.1 885.6 0.27 TRP 286 8995 -57.1 -63.1 46 6.0 -57.2 70 21 309.1 309.1 285.0 309.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5091.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 60.69 % Est. max temperature: -5.52 C = 22.06 F Sfc-Lift cond lev (LCL): 865.30 mb = 1286.78 m = 4221.68 ft T: -16.86 C 700-500 lapse rate: 4.80 C/km ThetaE index: 0.00 C Layer 931.0--142227396578952111086143744166068224.0 mb Conv cond level (CCL): 651.56 mb = 3383.59 m = 11100.89 ft Mean mixing ratio: 0.80 g/kg Conv temperature: 2.12 C = 35.82 F Cap Strength: 17.18 C Lifted Index: 18.33 C Risk: None Lifted Index @300 mb: 27.16 C Lifted Index @700 mb: 8.57 C Showalter Index: 17.63 C Risk: None Total Totals Index: 28.70 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 11.90 C K Index: -10.70 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.83 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 82152.59 J/kg Cap Strength: 18.26 C Lift Cond Lev (LCL): 810.86 mb = 1773.16 m = 5817.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 91 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 ---------------------------------------------------------- 0 931 737 220 1 0.6 0.8 | 267 12 11.8 0.6 1 925 786 240 1 0.9 0.5 | 268 12 12.0 0.3 2 850 1420 335 5 2.1 -4.5 | 290 14 13.3 -4.7 3 700 2863 85 11 -11.0 -1.0 | 350 1 0.2 -1.1 4 500 5280 55 23 -18.8 -13.2 | 30 15 -7.7 -13.4 5 400 6810 65 23 -20.8 -9.7 | 44 14 -9.7 -9.9 6 300 8690 65 19 -17.2 -8.0 | 36 10 -6.1 -8.2 7 286 8995 70 21 -19.7 -7.2 | 49 11 -8.6 -7.4 8 250 9850 55 17 -13.9 -9.8 | 16 10 -2.8 -9.9 9 200 11280 85 13 -13.0 -1.1 | 54 2 -1.8 -1.3 10 150 13150 75 13 -12.6 -3.4 | 22 4 -1.4 -3.5 11 100 15810 145 3 -1.7 2.5 | 256 10 9.4 2.3 12 70 18150 210 5 2.5 4.3 | 253 14 13.7 4.2 13 50 20350 245 7 6.3 3.0 | 261 18 17.5 2.8 14 30 23740 225 19 13.4 13.4 | 242 28 24.6 13.3 15 20 26430 215 13 7.5 10.6 | 241 21 18.6 10.5 16 10 31020 220 25 16.1 19.2 | 235 33 27.2 19.0 Wind Parameters Mean winds (0-6000m): 60.9 at 14.9 knts Storm direction: 90.9 at 11.2 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 132.3 deg Storm rel helicity (0-3000m) pos: 45.1 neg: 0.0 tot: 45.1 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 35.54 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 ------------------------------------------------------------------------------- 500 293 2 275 13| 4.0 0.0 4.0| 11.1 0.0 11.1 22.3 0.71| 4.5 3.2 1000 335 4 286 13| 3.7 0.0 3.7| 29.0 0.0 29.0 29.0 0.84| 4.9 4.1 1500 2 5 295 12| 3.2 0.0 3.2| 39.9 0.0 39.9 26.6 0.78| 5.1 4.0 2000 36 6 304 9| 2.9 0.0 2.9| 43.9 0.0 43.9 22.0 0.65| 5.5 3.6 2500 59 7 307 6| 2.8 0.0 2.8| 44.7 0.0 44.7 17.9 0.62| 5.2 3.2 3000 65 8 315 5| 2.3 0.5 2.8| 45.1 0.0 45.1 15.0 0.57| 4.8 2.7 4000 65 11 343 5| 1.8 1.2 2.9| 45.1 -2.2 42.9 10.7 0.44| 4.4 1.9 5000 61 13 2 7| 1.5 1.3 2.7| 49.0 -5.7 43.3 8.7 0.39| 4.0 1.5 6000 61 15 14 8| 1.3 1.1 2.4| 58.3 -5.7 52.6 8.8 0.42| 3.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251009.00.gif