UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 17 APR 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 35 140 9 SFC 994 83 -0.9 -14.9 34 14.0 -4.7 140 9 272.7 272.9 268.8 276.2 1.21 2 925 654 -4.1 -17.1 36 13.0 -7.4 195 33 275.1 275.3 270.1 278.2 1.08 3 888 975 -5.5 -18.5 35 13.0 -8.7 205 33 276.9 277.1 271.0 279.8 1.00 4 886 993 -5.5 -17.5 38 12.0 -8.5 205 33 277.1 277.3 271.3 280.3 1.09 5 858 1243 -9.3 -19.3 44 10.0 -11.5 213 33 275.7 275.8 270.2 278.5 0.97 6 850 1315 -9.9 -19.9 44 10.0 -12.1 215 33 275.8 275.9 270.2 278.5 0.93 7 749 2275 -18.1 -19.5 89 1.4 -18.4 238 32 277.0 277.2 271.2 280.2 1.09 8 730 2467 -18.3 -19.0 94 0.7 -18.4 242 31 278.9 279.1 272.5 282.3 1.17 9 700 2780 -19.1 -19.7 95 0.6 -19.2 250 31 281.3 281.5 273.9 284.7 1.14 10 686 2930 -19.3 -19.7 97 0.4 -19.4 251 31 282.7 282.9 274.7 286.2 1.17 11 561 4391 -29.9 -31.8 83 1.9 -30.1 260 30 287.0 287.1 275.9 288.5 0.48 12 556 4454 -30.3 -34.5 67 4.2 -30.7 260 30 287.2 287.3 275.9 288.4 0.37 13 545 4595 -31.9 -33.7 84 1.8 -32.1 261 30 287.0 287.1 275.7 288.3 0.41 14 520 4926 -33.1 -34.6 86 1.5 -33.3 263 29 289.4 289.5 277.0 290.7 0.39 15 506 5117 -34.1 -36.2 81 2.1 -34.3 264 29 290.5 290.5 277.4 291.6 0.34 16 500 5200 -34.9 -37.4 78 2.5 -35.1 265 29 290.5 290.5 277.4 291.5 0.31 17 458 5806 -39.5 -42.7 71 3.2 -39.7 253 27 292.1 292.2 278.0 292.8 0.19 18 457 5821 -39.5 -47.5 42 8.0 -39.9 253 27 292.3 292.3 278.0 292.7 0.11 19 452 5896 -39.7 -43.2 69 3.5 -39.9 251 27 293.0 293.0 278.4 293.6 0.19 20 400 6720 -46.1 -49.6 68 3.5 -46.2 235 25 295.1 295.1 279.3 295.4 0.10 21 361 7395 -51.1 -54.5 67 3.4 -51.2 297.2 297.2 280.2 297.4 0.06 22 323 8118 -51.1 -54.7 65 3.6 -51.2 306.8 306.8 284.2 307.0 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5165.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 72.65 % Est. max temperature: 2.23 C = 36.01 F Sfc-Lift cond lev (LCL): 797.16 mb = 1802.27 m = 5912.88 ft T: -14.06 C 700-500 lapse rate: 6.53 C/km ThetaE index: 1.78 C Layer 858.0- 850.0 mb Conv cond level (CCL): 670.01 mb = 3101.13 m = 10174.19 ft Mean mixing ratio: 1.11 g/kg Conv temperature: 9.62 C = 49.32 F Cap Strength: 10.82 C Lifted Index: 10.78 C Risk: None Lifted Index @700 mb: 5.26 C Showalter Index: 10.20 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 15.00 C K Index: 4.50 Risk: None Sweat Index: 215.76 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.01 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 2706.99 J/kg Cap Strength: 10.81 C Lift Cond Lev (LCL): 763.07 mb = 2134.07 m = 7001.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 22 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 ---------------------------------------------------------- 0 994 83 140 9 -5.8 6.9 | 105 29 -28.0 7.3 1 925 654 195 33 8.5 31.9 | 157 35 -13.7 32.3 2 850 1315 215 33 18.9 27.0 | 173 28 -3.3 27.4 3 700 2780 250 31 29.1 10.6 | 212 13 6.9 11.0 4 500 5200 265 29 28.9 2.5 | 246 7 6.6 2.9 5 400 6720 235 25 20.5 14.3 | 173 15 -1.8 14.7 Wind Parameters Mean winds (0-6000m): 241.0 at 29.7 knts Storm direction: 271.0 at 22.2 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 415.5 neg: 0.0 tot: 415.5 m^2/s^2 ave: 138.5 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 9.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.15 Bulk Shear: 87.67 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 ------------------------------------------------------------------------------- 500 182 19 133 29| 25.7 0.0 25.7|226.4 0.0 226.4 452.9 0.96| 27.7 26.6 1000 194 26 148 30| 15.8 0.0 15.8|320.2 0.0 320.2 320.2 0.93| 20.1 18.7 1500 202 28 157 29| 11.2 0.0 11.2|360.5 0.0 360.5 240.3 0.89| 16.0 14.4 2000 209 29 163 27| 8.7 0.0 8.7|386.6 0.0 386.6 193.3 0.86| 13.8 11.9 2500 216 30 169 25| 7.1 0.0 7.1|406.7 0.0 406.7 162.7 0.84| 12.4 10.4 3000 221 30 174 23| 6.0 0.0 6.0|415.5 0.0 415.5 138.5 0.83| 10.9 9.1 4000 230 30 183 20| 4.5 0.0 4.5|421.9 0.0 421.9 105.5 0.82| 8.6 7.1 5000 237 30 190 17| 3.6 0.0 3.6|427.5 0.0 427.5 85.5 0.82| 7.3 6.0 6000 241 30 194 15| 3.0 0.7 3.7|428.0 -17.7 410.3 68.4 0.63| 6.8 4.3 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20250417.12.gif