UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 26 NOV 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 307 SFC 937 738 -48.3 -51.4 70 3.1 -48.3 40 1 229.1 229.1 229.0 229.2 0.04 2 925 824 -46.1 -49.7 67 3.6 -46.2 45 1 232.2 232.2 232.0 232.3 0.04 3 850 1403 -35.1 -39.4 65 4.3 -35.3 75 1 249.4 249.4 248.4 249.8 0.15 4 814 1706 -29.5 -33.9 66 4.4 -29.8 89 1 258.4 258.5 256.4 259.2 0.27 5 783 1983 -25.1 -29.4 67 4.3 -25.6 102 2 266.0 266.1 262.7 267.3 0.43 6 700 2788 -27.5 -31.3 70 3.8 -27.9 140 3 272.0 272.1 266.8 273.2 0.40 7 678 3018 -28.1 -31.9 70 3.8 -28.5 151 3 273.9 273.9 268.0 275.0 0.39 8 529 4771 -36.7 -40.1 71 3.4 -36.9 236 5 283.7 283.7 273.7 284.4 0.22 9 500 5160 -39.3 -43.0 68 3.7 -39.5 255 5 285.1 285.2 274.4 285.7 0.17 10 400 6650 -48.5 -52.2 65 3.7 -48.6 270 5 292.0 292.0 277.7 292.2 0.08 11 339 7725 -55.9 -59.5 64 3.6 -55.9 261 7 296.0 296.0 279.6 296.2 0.04 12 300 8500 -59.1 -62.9 61 3.8 -59.2 255 9 302.0 302.0 282.3 302.1 0.03 13 260 9396 -61.3 -64.9 62 3.6 -61.3 230 19 311.4 311.4 285.9 311.5 0.02 14 254 9541 -61.3 -64.9 62 3.6 -61.3 221 18 313.5 313.5 286.6 313.6 0.02 15 250 9640 -60.9 -64.6 61 3.7 -60.9 215 17 315.5 315.5 287.3 315.6 0.03 16 201 11008 -57.5 -61.4 61 3.9 -57.6 205 21 341.2 341.2 294.7 341.4 0.05 17 200 11040 -57.7 -61.6 61 3.9 -57.8 205 21 341.4 341.4 294.7 341.6 0.05 18 150 12850 -57.3 -61.3 60 4.0 -57.4 195 25 371.4 371.4 300.8 371.7 0.07 19 101 15347 -57.7 -61.9 59 4.2 -57.9 205 38 415.1 415.1 307.2 415.5 0.09 20 100 15410 -57.5 -61.7 59 4.2 -57.7 205 38 416.6 416.7 307.4 417.1 0.09 21 70 17670 -56.3 -60.3 61 4.0 -56.6 200 56 463.9 464.0 312.2 464.9 0.16 22 66 18043 -56.9 -61.0 60 4.1 -57.2 203 61 470.5 470.6 312.8 471.4 0.16 23 57 18983 -51.9 -56.2 60 4.3 -52.4 209 74 502.0 502.1 315.2 504.0 0.33 24 50 19830 -53.5 -57.9 59 4.4 -54.0 215 85 517.4 517.5 316.2 519.3 0.31 25 40 21289 -45.9 -50.2 62 4.3 -47.0 213 106 570.6 570.9 319.5 577.2 0.97 26 32 22779 -44.3 -48.8 61 4.5 -45.7 211 126 612.5 613.0 321.6 622.8 1.42 27 30 23210 -45.9 -50.1 62 4.2 -47.2 210 132 619.5 620.0 321.9 629.2 1.30 28 21 25576 -48.9 -53.3 60 4.4 -50.3 206 152 677.0 677.5 324.0 687.5 1.28 29 20 25900 -45.9 -50.1 62 4.2 -47.6 205 155 695.7 696.5 324.8 712.1 1.96 30 19 26243 -43.5 -48.0 61 4.5 -45.6 713.4 714.6 325.6 735.8 2.62 31 13 28782 -46.0 -50.3 61 4.3 -48.1 210 173 786.6 788.0 327.6 814.7 2.94 32 12 29314 -46.5 -50.8 61 4.3 -48.7 803.0 804.5 328.0 832.4 3.02 33 11 29891 -47.3 -51.7 61 4.4 -49.5 820.3 821.8 328.4 850.0 2.96 TRP 260 9396 -61.3 -64.9 62 3.6 -61.3 230 19 311.4 311.4 285.9 311.5 0.02 WND 13 28782 -46.0 -50.3 61 4.3 -48.1 210 173 786.6 788.0 327.6 814.7 2.94 Sounding variables and indices 1000-500 mb thick: 4853.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 68.63 % Est. max temperature: -13.02 C = 8.57 F Sfc-Lift cond lev (LCL): 885.53 mb = 1122.59 m = 3682.98 ft T: -40.43 C 700-500 lapse rate: 4.97 C/km ThetaE index: 0.00 C Layer 937.0- -0.0 mb Conv cond level (CCL): 937.00 mb = 738.19 m = 2421.86 ft Mean mixing ratio: 0.10 g/kg Conv temperature: -42.27 C = -44.08 F Cap Strength: 35.35 C Lifted Index: 35.97 C Risk: None Lifted Index @300 mb: 43.07 C Lifted Index @700 mb: 27.85 C Showalter Index: 29.00 C Risk: None Total Totals Index: 4.10 C Risk: None Vertical Totals Index: 4.20 C Cross Totals Index: -0.10 C K Index: -39.00 Risk: None Sweat Index: 7.00 Risk: None Energy Index: 7.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.85 J/kg Max Up Vert Vel: 9.58 m/s Conv Inhibition (B-): 74285.24 J/kg Cap Strength: 35.78 C Lift Cond Lev (LCL): 848.80 mb = 1412.86 m = 4635.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 3 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 ---------------------------------------------------------- 0 937 738 40 1 -0.6 -0.8 | 73 3 -3.2 -1.0 1 925 824 45 1 -0.7 -0.7 | 74 3 -3.3 -0.9 2 850 1403 75 1 -1.0 -0.3 | 82 4 -3.6 -0.5 3 700 2788 140 3 -1.9 2.3 | 115 5 -4.5 2.1 4 500 5160 255 5 4.8 1.3 | 244 2 2.2 1.1 5 400 6650 270 5 5.0 -0.0 | 275 2 2.4 -0.2 6 300 8500 255 9 8.7 2.3 | 251 6 6.1 2.1 7 260 9396 230 19 14.6 12.2 | 225 17 12.0 12.0 8 250 9640 215 17 9.8 13.9 | 208 15 7.1 13.7 9 200 11040 205 21 8.9 19.0 | 198 20 6.3 18.8 10 150 12850 195 25 6.5 24.1 | 189 24 3.9 23.9 11 100 15410 205 38 16.1 34.4 | 201 37 13.5 34.2 12 70 17670 200 56 19.2 52.6 | 198 55 16.5 52.4 13 50 19830 215 85 48.8 69.6 | 214 83 46.1 69.4 14 30 23210 210 132 66.0 114.3 | 209 131 63.4 114.1 15 20 25900 205 155 65.5 140.5 | 204 154 62.9 140.3 Wind Parameters Mean winds (0-6000m): 235.1 at 3.5 knts Storm direction: 265.1 at 2.6 knts Shear (0-3000m) pos: 0.8 neg: 0.0 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): 75.2 deg Storm rel helicity (0-3000m) pos: 7.0 neg: 0.0 tot: 7.0 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 1.1 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.23 Bulk Shear: 2.66 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 53 1 76 4| 0.5 0.0 0.5| 0.4 0.0 0.4 0.8 0.91| 0.5 0.4 1000 67 1 80 4| 0.6 0.0 0.6| 0.9 0.0 0.9 0.9 0.75| 0.6 0.5 1500 87 1 86 4| 0.7 0.0 0.7| 1.9 0.0 1.9 1.3 0.79| 0.8 0.6 2000 110 2 95 4| 0.8 0.0 0.8| 3.5 0.0 3.5 1.7 0.85| 0.9 0.8 2500 124 2 101 4| 0.8 0.0 0.8| 5.2 0.0 5.2 2.1 0.89| 1.0 0.9 3000 139 2 109 4| 0.8 0.0 0.8| 7.0 0.0 7.0 2.3 0.90| 1.1 1.0 4000 172 3 130 4| 0.7 0.0 0.7| 10.0 0.0 10.0 2.5 0.91| 1.3 1.2 5000 212 3 159 3| 0.6 0.0 0.6| 11.5 0.0 11.5 2.3 0.92| 1.3 1.2 6000 235 3 188 2| 0.5 0.0 0.5| 12.0 -0.0 12.0 2.0 0.91| 1.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251126.12.gif