UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010700.upa.cvt Date: 0000Z 7 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 7 JAN 26 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 152 1 925 702 60 1 SFC 920 740 -34.5 -37.4 75 2.9 -34.6 60 1 244.4 244.4 244.0 244.9 0.17 3 903 870 -36.3 -40.1 68 3.8 -36.4 80 2 243.9 243.9 243.3 244.2 0.13 4 881 1042 -35.7 -39.6 67 3.9 -35.8 107 4 246.2 246.2 245.6 246.6 0.14 5 850 1295 -30.7 -34.7 68 4.0 -31.0 145 7 254.0 254.0 252.7 254.7 0.24 6 811 1632 -25.1 -29.4 67 4.3 -25.5 151 9 263.4 263.4 260.6 264.6 0.41 7 784 1877 -24.3 -28.5 68 4.2 -24.8 155 11 266.8 266.9 263.3 268.1 0.46 8 732 2374 -26.3 -30.0 71 3.7 -26.7 164 15 269.9 270.0 265.4 271.2 0.43 9 705 2647 -23.5 -27.5 70 4.0 -24.0 169 17 275.9 276.0 269.7 277.6 0.57 10 700 2699 -24.1 -28.0 70 3.9 -24.6 170 17 275.8 275.9 269.5 277.4 0.55 11 500 5070 -40.1 -43.6 69 3.5 -40.3 170 7 284.1 284.2 273.8 284.7 0.16 12 400 6560 -49.9 -53.5 66 3.6 -50.0 220 5 290.1 290.1 276.9 290.4 0.07 13 352 7385 -56.1 -59.5 65 3.4 -56.2 233 4 292.6 292.6 278.0 292.7 0.04 14 320 7987 -59.5 -63.1 63 3.6 -59.5 243 3 296.0 296.0 279.6 296.0 0.02 15 300 8390 -60.7 -64.2 63 3.5 -60.7 250 3 299.8 299.8 281.3 299.9 0.02 16 297 8453 -60.9 -64.4 63 3.5 -60.9 245 3 300.4 300.4 281.5 300.4 0.02 17 281 8801 -60.5 -64.1 62 3.6 -60.5 224 6 305.7 305.7 283.7 305.8 0.02 18 250 9540 -57.1 -60.6 64 3.5 -57.2 180 11 321.2 321.2 289.2 321.3 0.04 19 200 10950 -53.3 -57.1 63 3.8 -53.4 200 13 348.4 348.4 296.4 348.7 0.08 20 182 11560 -50.1 -54.0 63 3.9 -50.3 205 15 363.1 363.1 299.4 363.7 0.14 21 150 12820 -50.3 -54.2 63 3.9 -50.5 215 19 383.4 383.4 302.9 384.1 0.16 22 141 13226 -51.3 -55.0 65 3.7 -51.5 219 20 388.5 388.5 303.7 389.2 0.16 23 100 15490 -47.3 -51.3 63 4.0 -47.7 240 23 436.3 436.4 309.7 438.1 0.34 24 70 17880 -42.5 -46.6 64 4.1 -43.4 250 38 493.5 493.7 314.8 498.3 0.83 25 64 18485 -40.7 -44.7 65 4.0 -41.8 253 41 510.2 510.6 316.1 516.9 1.12 26 53 19765 -40.5 -44.5 65 4.0 -41.7 258 46 539.0 539.4 317.9 547.7 1.38 27 50 20160 -41.5 -45.3 67 3.8 -42.6 260 48 545.7 546.1 318.3 554.3 1.34 28 45 20871 -44.7 -48.6 65 3.9 -45.7 263 54 554.6 554.9 318.7 561.4 1.03 29 39 21836 -41.3 -45.3 65 4.0 -42.7 267 62 586.4 587.0 320.5 598.3 1.72 30 36 22382 -39.9 -44.9 59 5.0 -41.8 269 66 603.6 604.3 321.4 617.4 1.95 31 35 22574 -40.4 -45.8 56 5.5 -42.4 270 68 607.2 607.9 321.5 620.2 1.81 32 30 23620 -42.9 -50.9 41 8.0 -45.5 265 64 627.7 628.1 322.2 636.7 1.19 33 20 26330 -47.9 -62.9 16 15.0 -51.3 270 60 689.6 689.7 324.2 693.0 0.41 34 12 29666 -52.5 -72.5 7 20.0 -56.2 781.7 781.8 326.8 783.4 0.18 TRP 297 8453 -60.9 -64.4 63 3.5 -60.9 245 3 300.4 300.4 281.5 300.4 0.02 WND 35 22574 -40.4 -45.8 56 5.5 -42.4 270 68 607.2 607.9 321.5 620.2 1.81 Sounding variables and indices 1000-500 mb thick: 4918.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 69.24 % Est. max temperature: -11.86 C = 10.66 F Sfc-Lift cond lev (LCL): 875.34 mb = 1087.82 m = 3568.92 ft T: -34.80 C 700-500 lapse rate: 6.75 C/km ThetaE index: 0.65 C Layer 903.0- 881.0 mb Conv cond level (CCL): 911.10 mb = 807.97 m = 2650.78 ft Mean mixing ratio: 0.20 g/kg Conv temperature: -34.78 C = -30.61 F Cap Strength: 22.80 C Lifted Index: 27.26 C Risk: None Lifted Index @300 mb: 34.61 C Lifted Index @700 mb: 22.64 C Showalter Index: 24.22 C Risk: None Total Totals Index: 14.80 C Risk: None Vertical Totals Index: 9.40 C Cross Totals Index: 5.40 C K Index: -29.20 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 6.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.39 J/kg Max Up Vert Vel: 12.03 m/s Conv Inhibition (B-): 71680.90 J/kg Cap Strength: 27.21 C Lift Cond Lev (LCL): 821.58 mb = 1538.66 m = 5048.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 7 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 ---------------------------------------------------------- 0 920 740 60 1 -0.9 -0.5 | 25 8 -3.4 -7.2 1 850 1295 145 7 -4.0 5.7 | 82 7 -6.5 -0.9 2 700 2699 170 17 -3.0 16.7 | 152 11 -5.5 10.1 3 500 5070 170 7 -1.2 6.9 | 94 4 -3.7 0.2 4 400 6560 220 5 3.2 3.8 | 346 3 0.7 -2.8 5 300 8390 250 3 2.8 1.0 | 357 6 0.3 -5.6 6 297 8453 245 3 2.7 1.3 | 358 5 0.2 -5.4 7 250 9540 180 11 0.0 11.0 | 150 5 -2.5 4.3 8 200 10950 200 13 4.4 12.2 | 199 6 1.9 5.6 9 150 12820 215 19 10.9 15.6 | 223 12 8.4 8.9 10 100 15490 240 23 19.9 11.5 | 254 18 17.4 4.8 11 70 17880 250 38 35.7 13.0 | 259 34 33.2 6.3 12 50 20160 260 48 47.3 8.3 | 268 45 44.8 1.7 13 35 22574 270 68 68.0 -0.0 | 276 66 65.5 -6.7 14 30 23620 265 64 63.8 5.6 | 271 61 61.3 -1.1 15 20 26330 270 60 60.0 -0.0 | 277 58 57.5 -6.7 Wind Parameters Mean winds (0-6000m): 170.6 at 9.5 knts Storm direction: 200.6 at 7.1 knts Shear (0-3000m) pos: 2.9 neg: 0.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 115.6 deg Storm rel helicity (0-3000m) pos: 39.8 neg: -4.0 tot: 35.8 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 11.88 Bulk Shear: 6.09 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 ------------------------------------------------------------------------------- 500 136 4 52 6| 6.4 0.0 6.4| 15.2 0.0 15.2 30.3 0.94| 7.7 7.2 1000 145 6 73 6| 5.3 0.0 5.3| 23.0 0.0 23.0 23.0 0.94| 6.1 5.8 1500 153 8 93 6| 4.8 0.0 4.8| 30.9 0.0 30.9 20.6 0.93| 5.5 5.1 2000 160 10 114 6| 4.4 0.0 4.4| 39.8 0.0 39.8 19.9 0.91| 5.1 4.6 2500 163 11 123 7| 3.5 0.4 4.0| 39.8 -2.0 37.8 15.1 0.79| 4.5 3.6 3000 164 11 128 7| 2.9 0.7 3.7| 39.8 -4.0 35.8 11.9 0.68| 4.1 2.8 4000 166 11 129 7| 2.2 1.1 3.3| 39.8 -8.1 31.7 7.9 0.48| 3.6 1.8 5000 167 10 126 6| 1.5 0.9 2.4| 39.8 -10.0 29.8 6.0 0.35| 3.3 1.2 6000 171 9 124 5| 1.1 0.7 1.8| 39.8 -10.9 28.9 4.8 0.26| 3.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260107.00.gif