UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011112.upa.cvt Date: 1200Z 11 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 11 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 171 1 925 715 240 1 SFC 922 738 -37.1 -39.9 75 2.8 -37.2 240 1 241.6 241.6 241.2 242.0 0.13 3 850 1316 -25.3 -28.5 75 3.2 -25.6 180 11 259.6 259.7 257.8 260.9 0.43 4 806 1706 -18.5 -21.8 75 3.3 -19.1 185 15 270.9 271.0 266.8 273.2 0.83 5 700 2741 -25.9 -29.2 74 3.3 -26.3 200 25 273.8 273.9 268.2 275.3 0.49 6 682 2929 -27.5 -30.7 74 3.2 -27.8 200 27 274.1 274.1 268.2 275.4 0.43 7 626 3542 -28.5 -32.0 72 3.5 -28.9 202 33 279.7 279.8 271.7 281.0 0.42 8 500 5110 -40.5 -43.9 70 3.4 -40.6 205 48 283.7 283.7 273.5 284.2 0.16 9 400 6590 -52.7 -56.1 66 3.4 -52.8 215 64 286.5 286.5 274.9 286.7 0.05 10 392 6720 -54.3 -57.9 64 3.6 -54.4 217 66 286.1 286.1 274.7 286.2 0.04 11 375 7002 -55.5 -59.1 64 3.6 -55.6 220 69 288.1 288.1 275.7 288.2 0.04 12 317 8060 -60.1 -63.7 63 3.6 -60.2 212 65 295.9 295.9 279.6 296.0 0.02 13 303 8339 -63.1 -66.7 62 3.6 -63.1 210 64 295.5 295.6 279.4 295.6 0.02 14 300 8400 -63.1 -66.7 62 3.6 -63.1 210 62 296.4 296.4 279.7 296.5 0.02 15 250 9530 -60.3 -64.0 62 3.7 -60.3 195 44 316.4 316.4 287.6 316.5 0.03 16 200 10920 -59.5 -63.3 61 3.8 -59.6 190 42 338.5 338.5 294.0 338.7 0.04 17 163 12207 -58.1 -62.0 61 3.9 -58.2 194 39 361.3 361.3 299.0 361.5 0.06 18 157 12446 -53.3 -57.4 61 4.1 -53.5 194 39 373.3 373.4 301.2 373.8 0.10 19 150 12740 -54.3 -58.3 61 4.0 -54.5 195 38 376.5 376.5 301.8 377.0 0.10 20 111 14667 -55.1 -59.1 61 4.0 -55.3 199 42 408.9 408.9 306.5 409.5 0.12 21 101 15275 -51.3 -55.2 63 3.9 -51.6 200 44 427.4 427.4 308.7 428.5 0.21 22 100 15340 -51.5 -55.4 63 3.9 -51.8 200 44 428.2 428.3 308.7 429.3 0.21 23 95 15672 -52.3 -56.4 61 4.1 -52.6 199 45 433.0 433.0 309.3 434.0 0.19 24 90 16026 -46.1 -50.1 64 4.0 -46.6 199 45 452.1 452.2 311.3 454.4 0.43 25 77 17077 -39.1 -43.5 63 4.4 -40.2 196 47 487.3 487.6 314.5 493.3 1.06 26 70 17730 -38.9 -43.2 64 4.3 -40.1 195 48 501.2 501.5 315.5 508.2 1.20 27 58 19012 -41.9 -45.9 65 4.0 -42.9 522.1 522.4 316.8 528.7 1.08 28 53 19628 -37.9 -42.2 64 4.3 -39.4 545.0 545.6 318.4 556.2 1.77 TRP 303 8339 -63.1 -66.7 62 3.6 -63.1 210 64 295.5 295.6 279.4 295.6 0.02 WND 375 7002 -55.5 -59.1 64 3.6 -55.6 220 69 288.1 288.1 275.7 288.2 0.04 Sounding variables and indices 1000-500 mb thick: 4939.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 72.96 % Est. max temperature: -7.61 C = 18.29 F Sfc-Lift cond lev (LCL): 878.40 mb = 1082.18 m = 3550.41 ft T: -30.07 C 700-500 lapse rate: 6.16 C/km Conv cond level (CCL): 922.00 mb = 737.55 m = 2419.76 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -29.64 C = -21.35 F Cap Strength: 21.58 C Lifted Index: 23.35 C Risk: None Lifted Index @300 mb: 29.17 C Lifted Index @700 mb: 17.09 C Showalter Index: 18.78 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 12.00 C K Index: -16.60 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 5.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 85.15 J/kg Max Up Vert Vel: 13.05 m/s Conv Inhibition (B-): 40294.92 J/kg Cap Strength: 23.19 C Lift Cond Lev (LCL): 849.07 mb = 1324.04 m = 4343.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 at 26 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 ---------------------------------------------------------- 0 922 738 240 1 0.9 0.5 | 55 25 -20.9 -14.4 1 850 1316 180 11 0.0 11.0 | 80 22 -21.8 -3.9 2 700 2741 200 25 8.6 23.5 | 123 16 -13.3 8.6 3 500 5110 205 48 20.3 43.5 | 177 29 -1.5 28.6 4 400 6590 215 64 36.7 52.4 | 202 40 14.9 37.5 5 375 7002 220 69 44.4 52.9 | 211 44 22.5 37.9 6 303 8339 210 64 32.0 55.4 | 194 42 10.2 40.5 7 300 8400 210 62 31.0 53.7 | 193 40 9.2 38.8 8 250 9530 195 44 11.4 42.5 | 159 29 -10.4 27.6 9 200 10920 190 42 7.3 41.4 | 151 30 -14.5 26.4 10 150 12740 195 38 9.8 36.7 | 151 25 -12.0 21.8 11 100 15340 200 44 15.0 41.3 | 166 27 -6.8 26.4 12 70 17730 195 48 12.4 46.4 | 163 33 -9.4 31.4 Wind Parameters Mean winds (0-6000m): 205.6 at 35.2 knts Storm direction: 235.6 at 26.4 knts Shear (0-3000m) pos: 3.5 neg: 2.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 97.5 deg Storm rel helicity (0-3000m) pos: 162.5 neg: 0.0 tot: 162.5 m^2/s^2 ave: 54.2 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.70 Bulk Shear: 121.99 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 ------------------------------------------------------------------------------- 500 184 5 66 23| 0.0 9.3 9.3| 42.3 0.0 42.3 84.5 0.74| 10.3 7.6 1000 184 9 74 22| 0.0 7.5 7.5| 73.9 0.0 73.9 73.9 0.80| 8.4 6.7 1500 188 12 81 21| 1.8 5.0 6.8| 98.3 0.0 98.3 65.6 0.83| 7.4 6.1 2000 193 14 87 19| 2.8 3.7 6.6|121.5 0.0 121.5 60.8 0.85| 7.0 5.9 2500 195 17 94 17| 3.2 3.0 6.2|141.9 0.0 141.9 56.7 0.86| 6.6 5.7 3000 197 19 102 17| 3.5 2.5 6.0|162.5 0.0 162.5 54.2 0.87| 6.4 5.5 4000 200 25 121 16| 3.9 1.9 5.8|205.7 0.0 205.7 51.4 0.84| 6.0 5.1 5000 202 30 140 16| 4.3 1.5 5.8|273.7 0.0 273.7 54.7 0.82| 6.0 4.9 6000 206 35 159 18| 4.6 1.2 5.8|380.7 0.0 380.7 63.4 0.82| 6.2 5.0 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260111.12.gif