UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 29 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 -53 SFC 988 46 8.0 -7.0 34 15.0 2.2 215 11 282.1 282.5 276.0 288.7 2.28 2 925 585 4.0 -6.0 48 10.0 0.1 220 15 283.4 283.9 277.2 291.0 2.64 3 879 996 1.0 -8.0 51 9.0 -2.3 220 20 284.5 284.9 277.3 291.3 2.38 4 850 1264 -1.3 -9.3 54 8.0 -4.1 220 23 284.8 285.2 277.3 291.2 2.22 5 700 2767 -15.1 -17.0 85 1.9 -15.6 215 36 285.8 286.0 276.7 290.1 1.44 6 689 2885 -15.9 -17.8 85 1.9 -16.3 214 37 286.2 286.4 276.8 290.3 1.37 7 568 4305 -23.5 -29.5 58 6.0 -24.4 203 50 293.5 293.6 279.3 295.4 0.58 8 500 5220 -28.3 -50.3 10 22.0 -29.8 195 58 298.5 298.5 280.8 298.8 0.08 9 419 6474 -32.5 -57.5 6 25.0 -33.8 187 68 308.6 308.6 284.8 308.8 0.04 10 400 6800 -32.7 -57.7 6 25.0 -34.0 185 71 312.5 312.5 286.2 312.6 0.04 11 359 7556 -34.3 -59.3 6 25.0 -35.6 180 81 320.1 320.1 288.8 320.3 0.04 12 311 8552 -36.5 -61.5 6 25.0 -37.7 188 75 330.5 330.5 291.9 330.6 0.03 13 300 8800 -37.3 -62.3 6 25.0 -38.4 190 73 332.8 332.8 292.5 332.9 0.03 14 250 10050 -41.7 -66.7 5 25.0 -42.6 195 66 344.1 344.1 295.3 344.2 0.02 15 241 10297 -42.5 -67.5 5 25.0 -43.3 195 64 346.5 346.5 295.8 346.6 0.02 16 205 11392 -39.7 -64.7 5 25.0 -41.0 199 55 367.3 367.3 300.1 367.5 0.03 17 200 11560 -40.9 -66.9 4 26.0 -42.1 200 54 368.0 368.0 300.2 368.1 0.02 18 150 13520 -41.9 -67.9 4 26.0 -43.3 215 42 397.9 397.9 304.9 398.0 0.03 19 148 13610 -42.1 -68.1 4 26.0 -43.5 215 42 399.0 399.0 305.1 399.2 0.03 20 100 16210 -48.3 -74.3 3 26.0 -49.4 220 36 434.4 434.4 309.3 434.5 0.02 21 96 16478 -48.5 -74.5 3 26.0 -49.6 223 35 439.1 439.1 309.8 439.2 0.02 22 70 18540 -51.1 -77.1 3 26.0 -52.2 250 25 475.1 475.1 313.1 475.2 0.02 23 55 20089 -53.1 -79.1 3 26.0 -54.2 246 22 504.4 504.4 315.2 504.5 0.01 24 50 20700 -52.9 -78.9 3 26.0 -54.2 245 21 518.8 518.8 316.2 518.9 0.02 25 30 24000 -51.5 -78.5 3 27.0 -53.7 295 15 604.2 604.3 320.8 604.4 0.03 26 20 26630 -48.7 -75.7 3 27.0 -52.5 295 11 687.1 687.1 324.0 687.7 0.07 27 12 30008 -46.1 -73.1 3 27.0 -52.4 804.4 804.5 327.4 806.0 0.16 TRP 241 10297 -42.5 -67.5 5 25.0 -43.3 195 64 346.5 346.5 295.8 346.6 0.02 WND 359 7556 -34.3 -59.3 6 25.0 -35.6 180 81 320.1 320.1 288.8 320.3 0.04 Sounding variables and indices 1000-500 mb thick: 5273.00 m Freezing level: 866.39 mb = 1112.61 m = 3650.26 ft Wetbulb zero: 922.38 mb = 607.88 m = 1994.35 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 58.83 % Est. max temperature: 10.75 C = 51.35 F Sfc-Lift cond lev (LCL): 784.21 mb = 1887.64 m = 6192.97 ft T: -7.03 C 700-500 lapse rate: 5.38 C/km ThetaE index: 1.27 C Layer 850.0- 689.0 mb Conv cond level (CCL): 759.47 mb = 2135.75 m = 7006.98 ft Mean mixing ratio: 2.49 g/kg Conv temperature: 11.31 C = 52.35 F Cap Strength: 4.49 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 30.15 C Lifted Index @700 mb: 0.29 C Showalter Index: 7.01 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 19.00 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 104.00 Risk: None Energy Index: 1.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.68 J/kg Max Up Vert Vel: 3.92 m/s Conv Inhibition (B-): 67173.19 J/kg Cap Strength: 7.41 C Lift Cond Lev (LCL): 785.31 mb = 1876.78 m = 6157.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 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 ---------------------------------------------------------- 0 988 46 215 11 6.3 9.0 | 65 19 -17.4 -8.0 1 925 585 220 15 9.6 11.5 | 69 15 -14.1 -5.5 2 850 1264 220 23 14.8 17.6 | 94 9 -8.9 0.6 3 700 2767 215 36 20.6 29.5 | 166 13 -3.1 12.5 4 500 5220 195 58 15.0 56.0 | 167 40 -8.7 39.0 5 400 6800 185 71 6.2 70.7 | 162 57 -17.5 53.7 6 359 7556 180 81 0.0 81.0 | 160 68 -23.7 64.0 7 300 8800 190 73 12.7 71.9 | 169 56 -11.0 54.9 8 250 10050 195 66 17.1 63.8 | 172 47 -6.6 46.7 9 241 10297 195 64 16.6 61.8 | 171 45 -7.1 44.8 10 200 11560 200 54 18.5 50.7 | 171 34 -5.2 33.7 11 150 13520 215 42 24.1 34.4 | 181 17 0.4 17.4 12 100 16210 220 36 23.1 27.6 | 177 11 -0.6 10.6 13 70 18540 250 25 23.5 8.6 | 1 8 -0.2 -8.5 14 50 20700 245 21 19.0 8.9 | 30 9 -4.7 -8.1 15 30 24000 295 15 13.6 -6.3 | 23 25 -10.1 -23.3 16 20 26630 295 11 10.0 -4.6 | 32 26 -13.7 -21.7 Wind Parameters Mean winds (0-6000m): 204.3 at 38.9 knts Storm direction: 234.3 at 29.2 knts Shear (0-3000m) pos: 1.6 neg: 3.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 50.3 neg: 0.0 tot: 50.3 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 93.33 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 ------------------------------------------------------------------------------- 500 218 13 67 17| 4.0 0.0 4.0| 4.3 0.0 4.3 8.5 0.24| 4.0 1.0 1000 219 15 70 15| 4.9 0.0 4.9| 14.9 0.0 14.9 14.9 0.43| 4.9 2.1 1500 219 18 75 13| 3.3 1.7 5.0| 25.0 0.0 25.0 16.7 0.57| 5.0 2.9 2000 219 20 84 11| 2.5 2.4 4.9| 34.4 0.0 34.4 17.2 0.66| 4.9 3.2 2500 218 23 95 10| 2.0 2.8 4.8| 43.5 0.0 43.5 17.4 0.69| 4.8 3.3 3000 217 25 108 9| 1.6 3.2 4.8| 50.3 0.0 50.3 16.8 0.64| 4.9 3.1 4000 214 29 136 10| 1.2 3.6 4.9| 53.7 -0.8 53.0 13.2 0.48| 5.0 2.4 5000 209 34 151 15| 1.0 4.0 5.0| 53.7 -16.8 36.9 7.4 0.33| 5.2 1.7 6000 204 39 157 20| 0.8 4.1 5.0| 53.7 -46.1 7.6 1.3 0.23| 5.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250429.12.gif