UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011012.upa.cvt Date: 1200Z 10 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 10 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 169 1 925 711 240 1 SFC 921 741 -38.3 -41.0 76 2.7 -38.4 240 1 240.4 240.5 240.1 240.8 0.11 3 859 1232 -27.7 -30.6 76 2.9 -27.9 153 25 256.4 256.4 254.9 257.3 0.35 4 850 1308 -26.9 -29.8 76 2.9 -27.2 140 29 258.0 258.0 256.3 259.0 0.38 5 778 1962 -15.7 -19.0 76 3.3 -16.4 151 32 276.6 276.8 271.0 279.8 1.09 6 722 2523 -18.5 -21.7 76 3.2 -19.1 161 35 279.5 279.7 272.5 282.3 0.93 7 700 2753 -20.5 -23.7 75 3.2 -21.0 165 36 279.8 279.9 272.4 282.2 0.81 8 531 4720 -37.9 -41.1 72 3.2 -38.1 181 41 281.9 282.0 272.6 282.6 0.20 9 500 5130 -40.9 -44.1 71 3.2 -41.1 185 42 283.2 283.2 273.3 283.7 0.15 10 426 6192 -48.1 -51.4 69 3.3 -48.2 171 53 287.3 287.3 275.4 287.5 0.08 11 400 6600 -51.7 -54.8 69 3.1 -51.8 165 58 287.8 287.8 275.6 288.0 0.06 12 376 6999 -55.7 -59.0 66 3.3 -55.8 167 60 287.6 287.7 275.5 287.8 0.04 13 323 7961 -59.1 -62.6 64 3.5 -59.2 172 65 295.7 295.7 279.4 295.8 0.03 14 300 8420 -63.5 -67.0 62 3.5 -63.5 175 68 295.8 295.8 279.5 295.9 0.02 15 295 8524 -64.5 -68.0 62 3.5 -64.5 180 68 295.8 295.8 279.5 295.9 0.01 16 283 8781 -64.2 -67.7 62 3.5 -64.2 180 71 299.8 299.8 281.3 299.9 0.01 17 250 9550 -63.3 -66.9 61 3.6 -63.3 175 50 312.0 312.0 286.1 312.0 0.02 18 215 10478 -61.1 -64.5 64 3.4 -61.2 178 51 329.1 329.1 291.5 329.2 0.03 19 200 10930 -57.5 -61.1 63 3.6 -57.6 180 52 341.7 341.7 294.8 341.9 0.05 20 181 11568 -53.3 -57.1 63 3.8 -53.4 177 44 358.5 358.5 298.5 358.9 0.09 21 150 12770 -57.3 -60.9 63 3.6 -57.4 170 29 371.4 371.4 300.8 371.7 0.07 22 126 13869 -57.3 -61.0 63 3.7 -57.4 179 35 390.3 390.4 303.9 390.7 0.08 23 111 14684 -48.9 -52.9 63 4.0 -49.3 185 39 420.5 420.6 307.9 421.8 0.25 24 102 15240 -47.9 -51.9 63 4.0 -48.3 189 41 432.7 432.8 309.3 434.3 0.31 25 100 15370 -48.5 -52.5 63 4.0 -48.9 190 42 434.0 434.1 309.4 435.6 0.30 26 71 17617 -50.3 -54.2 63 3.9 -50.7 200 54 474.8 474.9 313.2 476.8 0.34 27 70 17710 -47.7 -51.8 63 4.1 -48.3 200 54 482.3 482.5 313.8 485.0 0.46 28 62 18518 -44.7 -48.9 63 4.2 -45.6 202 54 506.0 506.2 315.7 510.4 0.72 29 50 19960 -44.1 -48.3 63 4.2 -45.2 205 54 539.5 539.9 317.9 545.7 0.96 30 46 20519 -44.7 -48.8 63 4.1 -45.7 207 51 551.1 551.4 318.5 557.6 0.99 31 38 21815 -38.3 -42.8 63 4.5 -40.2 213 44 598.4 599.2 321.3 614.6 2.31 32 35 22383 -36.5 -42.5 54 6.0 -39.2 215 41 617.3 618.3 322.2 636.1 2.59 33 31 23224 -36.9 -43.9 48 7.0 -40.1 219 37 638.0 639.0 322.9 657.0 2.52 34 30 23450 -38.3 -46.3 43 8.0 -41.6 220 36 640.2 641.0 322.9 655.5 2.00 35 26 24426 -41.7 -51.7 33 10.0 -45.2 215 37 657.3 657.8 323.3 667.3 1.25 36 23 25247 -47.3 -58.3 27 11.0 -50.1 210 39 664.3 664.6 323.4 669.5 0.64 37 20 26170 -47.7 -59.7 24 12.0 -50.8 205 40 690.2 690.4 324.3 695.4 0.61 38 18 26865 -48.5 -60.5 24 12.0 -51.7 708.8 709.0 324.8 714.2 0.61 39 17 27247 -41.3 -55.3 21 14.0 -46.8 743.5 744.1 326.1 754.9 1.25 40 15 28099 -39.9 -54.9 19 15.0 -46.4 775.3 776.0 327.0 789.4 1.48 41 13 29070 -43.3 -59.3 16 16.0 -49.4 795.9 796.4 327.4 805.7 0.99 42 12 29615 -38.3 -55.3 15 17.0 -46.6 832.0 832.9 328.4 850.2 1.77 TRP 295 8524 -64.5 -68.0 62 3.5 -64.5 180 68 295.8 295.8 279.5 295.9 0.01 WND 283 8781 -64.2 -67.7 62 3.5 -64.2 180 71 299.8 299.8 281.3 299.9 0.01 Sounding variables and indices 1000-500 mb thick: 4961.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 74.47 % Est. max temperature: -2.63 C = 27.27 F Sfc-Lift cond lev (LCL): 878.81 mb = 1071.35 m = 3514.87 ft T: -31.17 C 700-500 lapse rate: 8.58 C/km ThetaE index: 0.09 C Layer 700.0- 531.0 mb Conv cond level (CCL): 921.00 mb = 740.87 m = 2430.65 ft Mean mixing ratio: 0.32 g/kg Conv temperature: -30.78 C = -23.41 F Cap Strength: 23.55 C Lifted Index: 23.88 C Risk: None Lifted Index @300 mb: 29.59 C Lifted Index @700 mb: 23.51 C Showalter Index: 19.84 C Risk: None Total Totals Index: 25.10 C Risk: None Vertical Totals Index: 14.00 C Cross Totals Index: 11.10 C K Index: -19.00 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 5.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 94.25 J/kg Max Up Vert Vel: 13.73 m/s Conv Inhibition (B-): 73773.57 J/kg Cap Strength: 23.73 C Lift Cond Lev (LCL): 847.92 mb = 1326.08 m = 4350.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 199 at 29 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 ---------------------------------------------------------- 0 921 741 240 1 0.9 0.5 | 18 28 -8.7 -26.8 1 850 1308 140 29 -18.6 22.2 | 80 29 -28.2 -5.1 2 700 2753 165 36 -9.3 34.8 | 112 20 -18.9 7.5 3 500 5130 185 42 3.7 41.8 | 158 16 -5.9 14.5 4 400 6600 165 58 -15.0 56.0 | 139 38 -24.6 28.7 5 300 8420 175 68 -5.9 67.7 | 159 43 -15.5 40.4 6 295 8524 180 68 0.0 68.0 | 167 42 -9.6 40.7 7 283 8781 180 71 0.0 71.0 | 168 45 -9.6 43.7 8 250 9550 175 50 -4.4 49.8 | 148 26 -13.9 22.5 9 200 10930 180 52 0.0 52.0 | 159 26 -9.6 24.7 10 150 12770 170 29 -5.0 28.6 | 95 15 -14.6 1.2 11 100 15370 190 42 7.3 41.4 | 171 14 -2.3 14.0 12 70 17710 200 54 18.5 50.7 | 201 25 8.9 23.4 13 50 19960 205 54 22.8 48.9 | 212 25 13.3 21.6 14 30 23450 220 36 23.1 27.6 | 269 14 13.6 0.3 15 20 26170 205 40 16.9 36.3 | 219 12 7.3 8.9 Wind Parameters Mean winds (0-6000m): 169.3 at 38.6 knts Storm direction: 199.3 at 28.9 knts Shear (0-3000m) pos: 2.9 neg: 5.3 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 193.7 neg: -13.3 tot: 180.4 m^2/s^2 ave: 60.1 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 6.1 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.93 Bulk Shear: 101.08 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 ------------------------------------------------------------------------------- 500 141 13 47 25| 0.0 26.4 26.4| 74.7 -13.3 61.4 122.9 0.49| 34.1 16.5 1000 143 21 65 25| 0.0 16.0 16.0|107.3 -13.3 94.0 94.0 0.47| 22.5 10.6 1500 147 25 74 24| 1.9 10.7 12.5|137.4 -13.3 124.1 82.7 0.51| 16.8 8.7 2000 152 27 82 23| 2.9 8.0 10.9|165.9 -13.3 152.6 76.3 0.55| 14.1 7.8 2500 155 29 88 22| 2.9 6.4 9.3|180.0 -13.3 166.7 66.7 0.57| 11.9 6.8 3000 159 30 93 21| 2.9 5.3 8.3|193.7 -13.3 180.4 60.1 0.59| 10.5 6.1 4000 165 33 104 19| 3.0 4.0 7.0|220.8 -13.3 207.5 51.9 0.62| 8.7 5.4 5000 169 35 115 18| 2.6 4.0 6.6|231.3 -28.3 203.0 40.6 0.53| 8.1 4.3 6000 169 39 122 20| 2.2 4.5 6.7|238.7 -72.2 166.5 27.8 0.39| 8.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260110.12.gif