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 U4688... Searching the city database file for: U4688 ... Date:0000Z 18 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 228 SFC 934 739 -19.9 -23.4 74 3.5 -20.4 250 1 258.2 258.3 257.1 260.0 0.62 2 925 812 -18.1 -22.0 71 3.9 -18.7 270 1 260.8 260.9 259.3 262.8 0.71 3 884 1153 -14.7 -17.1 82 2.4 -15.2 297 9 267.7 267.9 265.3 270.9 1.13 4 850 1449 -16.5 -18.9 82 2.4 -17.0 320 15 268.9 269.0 265.8 271.7 1.01 5 818 1737 -16.5 -18.9 82 2.4 -17.0 327 16 271.8 272.0 267.9 274.8 1.05 6 816 1756 -16.5 -18.9 82 2.4 -17.0 327 16 272.0 272.2 268.0 275.0 1.05 7 790 2001 -12.1 -17.1 66 5.0 -13.3 333 17 279.3 279.5 272.9 283.0 1.27 8 752 2378 -12.7 -25.7 33 13.0 -15.1 342 18 282.6 282.7 273.7 284.5 0.63 9 700 2922 -14.9 -32.9 20 18.0 -17.6 355 19 286.0 286.0 275.1 287.1 0.34 10 697 2954 -15.1 -33.1 20 18.0 -17.7 355 19 286.1 286.2 275.2 287.2 0.34 11 690 3030 -15.5 -33.5 20 18.0 -18.1 354 19 286.5 286.6 275.4 287.6 0.33 12 642 3569 -18.7 -27.7 45 9.0 -20.2 351 22 288.8 288.9 277.0 290.8 0.61 13 578 4342 -22.5 -38.5 22 16.0 -24.3 346 25 293.2 293.2 278.6 294.0 0.24 14 513 5206 -27.5 -38.5 34 11.0 -28.6 341 28 297.3 297.4 280.6 298.2 0.27 15 500 5390 -28.7 -37.7 42 9.0 -29.6 340 29 298.0 298.1 280.9 299.1 0.30 16 425 6541 -37.3 -43.3 54 6.0 -37.7 340 32 301.2 301.3 282.1 301.9 0.20 17 400 6960 -40.3 -46.3 53 6.0 -40.6 340 33 302.6 302.6 282.7 303.1 0.15 18 320 8444 -51.7 -57.7 49 6.0 -51.8 340 33 306.8 306.8 284.2 306.9 0.05 19 300 8860 -54.1 -60.1 48 6.0 -54.2 340 33 309.1 309.1 285.0 309.2 0.04 20 271 9505 -58.3 -64.3 46 6.0 -58.4 340 34 312.1 312.1 286.1 312.2 0.02 21 261 9741 -58.9 -64.9 46 6.0 -59.0 340 35 314.6 314.6 287.0 314.7 0.02 22 250 10010 -59.3 -65.3 46 6.0 -59.4 340 33 317.9 317.9 288.1 318.0 0.02 23 224 10698 -60.1 -67.1 39 7.0 -60.2 347 27 326.8 326.8 290.8 326.9 0.02 24 200 11410 -57.5 -64.5 41 7.0 -57.6 355 21 341.7 341.7 294.8 341.8 0.03 25 176 12218 -56.5 -64.5 36 8.0 -56.7 357 17 356.1 356.1 298.0 356.2 0.04 26 172 12365 -53.7 -61.7 37 8.0 -53.9 358 16 363.1 363.1 299.4 363.3 0.06 27 150 13240 -55.7 -64.7 32 9.0 -55.9 360 11 374.1 374.1 301.3 374.3 0.04 28 101 15776 -54.7 -68.7 16 14.0 -55.2 292 3 420.8 420.8 307.9 421.0 0.04 29 100 15840 -54.7 -68.7 16 14.0 -55.2 290 3 422.0 422.0 308.0 422.2 0.04 30 70 18120 -55.3 -72.3 10 17.0 -55.9 215 3 466.1 466.1 312.3 466.3 0.03 31 50 20270 -53.5 -73.5 7 20.0 -54.6 245 9 517.4 517.4 316.1 517.6 0.04 32 44 21094 -54.7 -74.7 7 20.0 -55.8 236 11 533.7 533.7 317.2 534.0 0.03 33 30 23570 -51.9 -74.9 5 23.0 -53.9 210 15 603.2 603.2 320.7 603.5 0.05 34 22 25594 -48.5 -73.5 4 25.0 -52.1 218 13 669.2 669.3 323.4 669.9 0.08 35 20 26220 -49.3 -74.3 4 25.0 -52.9 220 13 685.3 685.3 324.0 686.0 0.08 36 12 29561 -50.3 -75.3 4 25.0 -54.9 249 19 789.5 789.6 327.0 790.7 0.12 37 10 30760 -46.9 -72.9 4 26.0 -53.5 260 21 844.5 844.6 328.3 846.6 0.20 38 8.6 31765 -44.3 -70.3 4 26.0 -52.6 891.8 892.0 329.3 895.6 0.34 39 8.1 32164 -46.9 -72.9 4 26.0 -54.2 896.9 897.1 329.4 899.7 0.25 40 6.9 33236 -43.3 -69.3 4 26.0 -52.9 954.0 954.3 330.5 959.8 0.49 41 6.4 33740 -45.3 -71.3 4 26.0 -54.3 966.2 966.5 330.7 971.0 0.40 TRP 261 9741 -58.9 -64.9 46 6.0 -59.0 340 35 314.6 314.6 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5162.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 44.67 % Est. max temperature: 1.21 C = 34.17 F Sfc-Lift cond lev (LCL): 881.59 mb = 1173.63 m = 3850.46 ft T: -14.83 C 700-500 lapse rate: 5.59 C/km ThetaE index: 0.00 C Layer 934.0- 0.0 mb Conv cond level (CCL): 934.00 mb = 739.27 m = 2425.39 ft Mean mixing ratio: 0.97 g/kg Conv temperature: -18.31 C = -0.96 F Cap Strength: 23.69 C Lifted Index: 24.10 C Risk: None Lifted Index @300 mb: 28.53 C Lifted Index @700 mb: 16.55 C Showalter Index: 21.79 C Risk: None Total Totals Index: 22.00 C Risk: None Vertical Totals Index: 12.20 C Cross Totals Index: 9.80 C K Index: -24.70 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 5.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.33 J/kg Max Up Vert Vel: 9.20 m/s Conv Inhibition (B-): 70016.65 J/kg Cap Strength: 23.93 C Lift Cond Lev (LCL): 845.38 mb = 1489.98 m = 4888.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 12 at 16 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 ---------------------------------------------------------- 0 934 739 250 1 0.9 0.3 | 195 17 4.3 16.5 1 925 812 270 1 1.0 -0.0 | 195 17 4.4 16.1 2 850 1449 320 15 9.6 -11.5 | 250 14 13.0 4.6 3 700 2922 355 19 1.7 -18.9 | 299 6 5.0 -2.8 4 500 5390 340 29 9.9 -27.3 | 310 17 13.3 -11.1 5 400 6960 340 33 11.3 -31.0 | 315 21 14.6 -14.9 6 300 8860 340 33 11.3 -31.0 | 315 21 14.6 -14.9 7 261 9741 340 35 12.0 -32.9 | 318 23 15.3 -16.8 8 250 10010 340 33 11.3 -31.0 | 315 21 14.6 -14.9 9 200 11410 355 21 1.8 -20.9 | 313 7 5.2 -4.8 10 150 13240 360 11 -0.0 -11.0 | 213 6 3.4 5.1 11 100 15840 290 3 2.8 -1.0 | 202 16 6.2 15.1 12 70 18120 215 3 1.7 2.5 | 195 19 5.1 18.6 13 50 20270 245 9 8.2 3.8 | 210 23 11.5 19.9 14 30 23570 210 15 7.5 13.0 | 200 31 10.9 29.1 15 20 26220 220 13 8.4 10.0 | 204 29 11.7 26.1 16 10 30760 260 21 20.7 3.6 | 231 31 24.0 19.8 Wind Parameters Mean winds (0-6000m): 341.8 at 22.0 knts Storm direction: 11.8 at 16.5 knts Shear (0-3000m) pos: 3.5 neg: 0.4 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 114.4 deg Storm rel helicity (0-3000m) pos: 87.7 neg: 0.0 tot: 87.7 m^2/s^2 ave: 29.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.93 Bulk Shear: 45.52 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 ------------------------------------------------------------------------------- 500 300 5 209 16| 10.1 0.0 10.1| 44.4 0.0 44.4 88.8 0.98| 10.5 10.4 1000 320 9 227 13| 8.0 0.0 8.0| 70.6 0.0 70.6 70.6 0.94| 9.3 8.7 1500 326 12 238 12| 5.9 0.0 5.9| 77.7 0.0 77.7 51.8 0.89| 7.5 6.6 2000 333 13 246 10| 4.8 0.0 4.8| 83.5 0.0 83.5 41.7 0.86| 6.6 5.7 2500 339 14 253 9| 4.2 0.0 4.2| 86.4 0.0 86.4 34.6 0.83| 5.9 4.9 3000 341 16 261 8| 3.5 0.4 3.9| 87.7 0.0 87.7 29.2 0.79| 5.3 4.2 4000 343 18 276 9| 2.6 0.9 3.6| 88.6 -0.0 88.6 22.2 0.69| 4.6 3.2 5000 342 20 287 10| 2.1 1.1 3.3| 90.5 -1.0 89.6 17.9 0.63| 4.1 2.6 6000 342 22 295 11| 1.8 1.2 2.9| 96.4 -1.0 95.4 15.9 0.62| 3.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251018.00.gif