UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010612.upa.cvt Date: 1200Z 6 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 6 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 156 1 925 697 SFC 919 742 -38.3 -41.4 73 3.1 -38.4 30 1 240.6 240.6 240.2 240.9 0.11 3 900 886 -38.5 -42.5 66 4.0 -38.6 241.8 241.8 241.4 242.1 0.10 4 850 1286 -33.1 -37.2 67 4.1 -33.3 110 11 251.5 251.5 250.4 252.0 0.18 5 776 1940 -22.5 -26.8 68 4.3 -23.1 269.5 269.6 265.4 271.1 0.55 6 740 2286 -24.9 -28.8 70 3.9 -25.4 270.6 270.7 266.0 272.0 0.48 7 712 2567 -23.9 -27.9 70 4.0 -24.4 274.7 274.8 268.8 276.3 0.54 8 700 2691 -24.1 -28.1 69 4.0 -24.6 170 23 275.8 275.9 269.5 277.4 0.54 9 653 3195 -26.5 -30.1 72 3.6 -26.9 278.6 278.7 271.2 280.1 0.48 10 500 5070 -39.5 -43.0 69 3.5 -39.7 210 7 284.9 284.9 274.2 285.4 0.17 11 400 6560 -49.5 -53.0 67 3.5 -49.6 315 15 290.7 290.7 277.1 290.9 0.07 12 326 7876 -58.9 -62.5 63 3.6 -58.9 315 19 295.2 295.2 279.2 295.3 0.03 13 300 8400 -58.1 -61.7 63 3.6 -58.2 315 11 303.4 303.5 282.8 303.6 0.03 14 281 8810 -59.1 -62.7 63 3.6 -59.2 307.7 307.7 284.5 307.9 0.03 15 253 9474 -54.9 -58.6 63 3.7 -55.0 323.3 323.4 289.8 323.6 0.06 16 250 9550 -55.3 -58.9 64 3.6 -55.4 200 7 323.9 323.9 290.0 324.1 0.05 17 200 10970 -52.9 -56.6 64 3.7 -53.0 195 9 349.0 349.0 296.5 349.4 0.09 18 150 12840 -50.7 -54.4 65 3.7 -50.9 225 9 382.7 382.7 302.8 383.4 0.16 19 100 15500 -47.5 -51.4 64 3.9 -47.9 245 25 435.9 436.0 309.6 437.7 0.34 20 77 17242 -43.9 -48.0 64 4.1 -44.6 477.3 477.5 313.5 480.9 0.64 21 70 17880 -45.3 -49.2 65 3.9 -46.0 265 29 487.5 487.7 314.3 491.1 0.62 22 62 18689 -45.5 -49.4 65 3.9 -46.3 504.2 504.5 315.5 508.4 0.68 23 51 20005 -40.7 -44.6 66 3.9 -41.9 544.5 544.9 318.3 553.5 1.42 24 50 20140 -41.3 -45.2 66 3.9 -42.5 270 48 546.1 546.6 318.3 554.8 1.35 25 38 21985 -45.5 -49.4 65 3.9 -46.6 580.0 580.4 320.0 587.8 1.11 26 30 23560 -45.3 -49.3 64 4.0 -46.6 280 56 621.1 621.7 322.0 631.8 1.43 27 28 24021 -44.5 -48.6 64 4.1 -46.0 635.7 636.4 322.6 648.4 1.66 28 20 26240 -51.3 -55.0 65 3.7 -52.4 290 69 679.1 679.6 324.0 688.2 1.10 TRP 326 7876 -58.9 -62.5 63 3.6 -58.9 315 19 295.2 295.2 279.2 295.3 0.03 WND 14 290 75 Sounding variables and indices 1000-500 mb thick: 4914.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 69.33 % Est. max temperature: -9.88 C = 14.22 F Sfc-Lift cond lev (LCL): 870.77 mb = 1117.22 m = 3665.38 ft T: -35.38 C 700-500 lapse rate: 6.47 C/km ThetaE index: 0.00 C Layer 919.0- 0.0 mb Conv cond level (CCL): 919.00 mb = 742.02 m = 2434.43 ft Mean mixing ratio: 0.17 g/kg Conv temperature: -37.42 C = -35.36 F Cap Strength: 26.45 C Lifted Index: 29.56 C Risk: None Lifted Index @300 mb: 38.68 C Lifted Index @700 mb: 24.51 C Showalter Index: 26.98 C Risk: None Total Totals Index: 8.70 C Risk: None Vertical Totals Index: 6.40 C Cross Totals Index: 2.30 C K Index: -34.80 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 7.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.40 J/kg Max Up Vert Vel: 11.87 m/s Conv Inhibition (B-): 63981.57 J/kg Cap Strength: 29.39 C Lift Cond Lev (LCL): 819.13 mb = 1551.49 m = 5090.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 14 34219 290 75 70.5 -25.7 1 919 742 30 1 -0.5 -0.9 2 850 1286 110 11 -10.3 3.8 3 700 2691 170 23 -4.0 22.7 4 500 5070 210 7 3.5 6.1 5 400 6560 315 15 10.6 -10.6 6 326 7876 315 19 13.4 -13.4 7 300 8400 315 11 7.8 -7.8 8 250 9550 200 7 2.4 6.6 9 200 10970 195 9 2.3 8.7 10 150 12840 225 9 6.4 6.4 11 100 15500 245 25 22.7 10.6 12 70 17880 265 29 28.9 2.5 13 50 20140 270 48 48.0 -0.0 14 30 23560 280 56 55.1 -9.7 15 20 26240 290 69 64.8 -23.6 Wind Parameters Energy-Hel index: -4.40 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260106.12.gif