UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 13 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 216 SFC 928 744 -34.7 -37.5 76 2.8 -34.8 200 1 243.6 243.6 243.2 244.1 0.16 2 925 767 -33.7 -36.4 77 2.7 -33.8 195 3 244.8 244.9 244.4 245.4 0.18 3 894 1005 -28.5 -31.3 77 2.8 -28.7 175 10 252.6 252.7 251.7 253.5 0.31 4 850 1367 -22.3 -25.1 78 2.8 -22.7 145 21 262.8 262.9 260.6 264.4 0.59 5 805 1772 -16.1 -19.2 77 3.1 -16.7 156 21 273.5 273.7 269.0 276.5 1.04 6 736 2445 -17.5 -20.3 79 2.8 -18.1 175 21 279.1 279.2 272.4 282.1 1.03 7 714 2673 -16.9 -19.7 79 2.8 -17.5 181 21 282.2 282.4 274.3 285.5 1.12 8 700 2821 -18.1 -21.0 78 2.9 -18.7 185 21 282.4 282.6 274.3 285.5 1.02 9 681 3026 -19.3 -22.4 76 3.1 -19.9 181 21 283.3 283.5 274.6 286.1 0.93 10 587 4112 -27.7 -34.7 51 7.0 -28.4 159 22 285.8 285.9 275.0 286.9 0.34 11 581 4186 -26.5 -32.5 57 6.0 -27.2 157 22 288.1 288.2 276.4 289.5 0.43 12 525 4913 -29.9 -46.9 18 17.0 -31.0 142 23 292.5 292.5 278.0 292.8 0.11 13 500 5260 -31.1 -52.1 11 21.0 -32.3 135 23 295.1 295.1 279.3 295.3 0.06 14 412 6617 -37.9 -63.9 5 26.0 -38.7 135 33 303.2 303.2 282.7 303.2 0.02 15 400 6820 -39.7 -64.7 5 25.0 -40.4 135 35 303.4 303.4 282.8 303.5 0.02 16 322 8263 -51.3 -73.3 6 22.0 -51.5 124 49 306.8 306.8 284.1 306.8 0.01 17 301 8699 -53.5 -74.5 6 21.0 -53.7 120 54 309.6 309.6 285.2 309.7 0.01 18 300 8720 -53.9 -74.9 6 21.0 -54.1 120 54 309.4 309.4 285.1 309.4 0.00 19 263 9548 -62.1 -81.1 6 19.0 -62.2 120 47 309.2 309.2 285.0 309.2 0.00 20 250 9860 -63.5 -82.5 6 19.0 -63.6 120 44 311.7 311.7 285.9 311.7 0.00 21 214 10807 -67.9 -84.9 7 17.0 -67.9 141 38 319.0 319.0 288.4 319.0 0.00 22 210 10921 -70.1 -87.1 7 17.0 -70.1 143 38 317.3 317.3 287.9 317.3 0.00 23 200 11210 -72.1 -89.1 6 17.0 -72.1 150 36 318.6 318.6 288.3 318.6 0.00 24 183 11727 -75.5 -75.5 100 0.0 -75.5 135 31 321.2 321.2 289.1 321.3 0.01 25 167 12272 -63.1 -80.1 8 17.0 -63.2 137 27 350.4 350.5 296.7 350.5 0.00 26 156 12689 -64.5 -80.5 9 16.0 -64.6 139 25 355.0 355.0 297.7 355.0 0.00 27 150 12930 -62.1 -78.1 10 16.0 -62.3 140 23 363.1 363.1 299.3 363.1 0.01 28 149 12972 -60.7 -76.7 10 16.0 -60.9 141 23 366.2 366.2 299.9 366.2 0.01 29 110 14868 -60.9 -76.9 10 16.0 -61.1 167 34 399.0 399.0 305.1 399.1 0.01 30 105 15161 -57.7 -74.7 10 17.0 -58.0 171 36 410.5 410.5 306.6 410.5 0.01 31 100 15470 -57.3 -74.3 10 17.0 -57.7 175 38 417.0 417.0 307.4 417.1 0.02 32 87 16353 -55.7 -73.7 9 18.0 -56.2 181 43 437.2 437.2 309.6 437.3 0.02 33 86 16428 -52.9 -70.9 10 18.0 -53.6 181 44 444.3 444.3 310.3 444.4 0.03 34 74 17403 -50.1 -69.1 9 19.0 -51.2 188 50 469.7 469.7 312.6 470.0 0.05 35 71 17676 -46.1 -66.1 9 20.0 -47.8 189 51 483.8 483.8 313.8 484.2 0.07 36 70 17770 -46.5 -67.5 7 21.0 -48.2 190 52 484.9 484.9 313.8 485.3 0.06 37 58 19023 -43.9 -66.9 6 23.0 -46.4 190 62 517.6 517.6 316.2 518.1 0.08 38 54 19499 -47.3 -71.3 5 24.0 -49.3 190 65 520.4 520.4 316.4 520.7 0.05 39 50 20010 -44.9 -69.9 4 25.0 -47.5 190 69 537.7 537.7 317.4 538.1 0.06 40 47 20423 -44.7 -69.7 4 25.0 -47.5 191 68 547.7 547.8 318.0 548.2 0.07 41 38 21826 -50.1 -75.1 4 25.0 -52.1 193 66 568.3 568.3 319.1 568.6 0.04 42 31 23172 -44.3 -70.3 4 26.0 -48.2 195 64 618.0 618.1 321.5 618.8 0.09 43 30 23390 -46.7 -72.7 4 26.0 -50.0 195 64 617.3 617.4 321.4 617.9 0.07 44 28 23846 -49.3 -74.3 4 25.0 -52.1 196 65 622.4 622.4 321.6 622.8 0.06 45 20 26060 -48.7 -73.7 4 25.0 -52.4 200 68 687.1 687.1 324.0 687.9 0.09 46 14 28440 -41.9 -68.9 4 27.0 -49.4 784.0 784.1 326.9 786.4 0.26 TRP 183 11727 -75.5 -75.5 100 0.0 -75.5 135 31 321.2 321.2 289.1 321.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5044.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 62.29 % Est. max temperature: -3.37 C = 25.94 F Sfc-Lift cond lev (LCL): 884.45 mb = 1082.34 m = 3550.93 ft T: -27.18 C 700-500 lapse rate: 5.33 C/km ThetaE index: 0.00 C Layer 700.0- 681.0 mb Conv cond level (CCL): 928.00 mb = 744.08 m = 2441.18 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -27.41 C = -17.33 F Cap Strength: 29.08 C Lifted Index: 30.81 C Risk: None Lifted Index @300 mb: 36.67 C Lifted Index @700 mb: 22.84 C Showalter Index: 25.25 C Risk: None Total Totals Index: 14.80 C Risk: None Vertical Totals Index: 8.80 C Cross Totals Index: 6.00 C K Index: -19.20 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 6.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.36 J/kg Max Up Vert Vel: 12.91 m/s Conv Inhibition (B-): 66705.52 J/kg Cap Strength: 30.76 C Lift Cond Lev (LCL): 850.75 mb = 1360.70 m = 4464.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 17 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 ---------------------------------------------------------- 0 928 744 200 1 0.3 0.9 | 0 16 -0.1 -15.8 1 925 767 195 3 0.8 2.9 | 359 14 0.3 -13.9 2 850 1367 145 21 -12.0 17.2 | 92 13 -12.5 0.4 3 700 2821 185 21 1.8 20.9 | 198 4 1.4 4.1 4 500 5260 135 23 -16.3 16.3 | 88 17 -16.7 -0.5 5 400 6820 135 35 -24.7 24.7 | 108 26 -25.2 8.0 6 300 8720 120 54 -46.8 27.0 | 102 48 -47.2 10.2 7 250 9860 120 44 -38.1 22.0 | 98 39 -38.6 5.2 8 200 11210 150 36 -18.0 31.2 | 128 23 -18.5 14.4 9 183 11727 135 31 -21.9 21.9 | 103 23 -22.4 5.1 10 150 12930 140 23 -14.8 17.6 | 93 15 -15.2 0.8 11 100 15470 175 38 -3.3 37.9 | 170 21 -3.8 21.1 12 70 17770 190 52 9.0 51.2 | 194 35 8.6 34.4 13 50 20010 190 69 12.0 68.0 | 193 52 11.5 51.2 14 30 23390 195 64 16.6 61.8 | 200 48 16.1 45.0 15 20 26060 200 68 23.3 63.9 | 206 52 22.8 47.1 Wind Parameters Mean winds (0-6000m): 151.6 at 22.4 knts Storm direction: 181.6 at 16.8 knts Shear (0-3000m) pos: 1.7 neg: 3.5 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 126.9 deg Storm rel helicity (0-3000m) pos: 40.1 neg: -10.1 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.82 Bulk Shear: 21.81 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 ------------------------------------------------------------------------------- 500 161 10 26 8| 0.0 17.1 17.1| 15.9 -1.8 14.2 28.4 0.50| 18.8 9.3 1000 151 15 64 9| 1.9 8.5 10.4| 26.7 -1.8 25.0 25.0 0.50| 13.4 6.7 1500 155 17 79 8| 2.0 5.7 7.7| 33.7 -1.8 31.9 21.3 0.53| 10.7 5.7 2000 161 18 92 6| 2.5 4.3 6.8| 39.4 -1.8 37.7 18.8 0.59| 9.3 5.4 2500 166 19 103 5| 2.0 3.7 5.8| 40.1 -5.3 34.8 13.9 0.47| 8.2 3.9 3000 167 19 110 5| 1.7 3.5 5.2| 40.1 -10.1 30.0 10.0 0.36| 7.5 2.7 4000 163 20 110 7| 1.3 3.2 4.4| 40.1 -23.5 16.6 4.2 0.21| 6.6 1.4 5000 157 21 105 9| 1.0 3.1 4.1| 51.7 -33.3 18.5 3.7 0.18| 6.1 1.1 6000 152 22 105 11| 0.8 3.2 4.1| 76.5 -33.3 43.3 7.2 0.22| 5.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260113.12.gif