UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 24 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 78 190 5 SFC 998 95 8.0 -3.0 46 11.0 3.4 190 5 281.3 281.8 276.6 290.0 3.07 2 945 543 5.8 -6.2 42 12.0 1.1 208 15 283.5 283.9 277.0 290.8 2.54 3 925 718 5.8 -3.2 52 9.0 2.0 215 19 285.2 285.8 278.9 294.6 3.26 4 905 897 6.0 1.0 70 5.0 3.7 227 24 287.2 288.0 281.4 300.2 4.54 5 858 1332 4.2 1.6 83 2.6 2.9 255 36 289.8 290.7 283.1 304.1 5.01 6 850 1408 3.8 1.0 82 2.8 2.5 260 38 290.1 291.0 283.0 304.1 4.84 7 829 1611 2.8 -0.5 79 3.3 1.3 261 39 291.2 291.9 283.0 304.0 4.45 8 800 1898 0.6 -4.2 70 4.8 -1.4 263 40 291.8 292.4 282.2 302.1 3.50 9 777 2131 -1.9 -14.9 36 13.0 -6.0 265 41 291.5 291.8 279.7 296.3 1.55 10 754 2371 -0.3 -17.3 26 17.0 -5.5 266 42 295.8 296.0 281.3 299.9 1.30 11 700 2962 -3.7 -22.7 21 19.0 -8.7 270 44 298.4 298.5 281.8 301.2 0.88 12 578 4444 -12.9 -32.9 17 20.0 -16.6 264 50 304.4 304.5 283.7 305.8 0.41 13 500 5530 -21.1 -28.1 53 7.0 -22.4 260 54 307.3 307.5 285.2 309.9 0.76 14 475 5908 -23.9 -29.9 58 6.0 -24.9 260 55 308.4 308.5 285.5 310.7 0.67 15 400 7140 -33.9 -41.9 44 8.0 -34.6 260 60 310.9 311.0 285.9 311.8 0.24 16 300 9090 -49.5 -59.5 30 10.0 -49.7 260 64 315.6 315.6 287.3 315.7 0.04 17 282 9489 -53.1 -63.1 29 10.0 -53.3 260 66 316.0 316.1 287.5 316.2 0.03 18 269 9789 -55.3 -65.3 28 10.0 -55.5 260 67 317.1 317.1 287.8 317.2 0.02 19 250 10250 -58.7 -69.7 23 11.0 -58.8 260 69 318.8 318.8 288.3 318.8 0.01 20 220 11047 -63.9 -74.9 21 11.0 -64.0 270 69 322.6 322.6 289.6 322.6 0.01 21 218 11103 -64.3 -75.3 21 11.0 -64.4 270 68 322.9 322.9 289.6 322.9 0.01 22 200 11640 -58.1 -69.1 23 11.0 -58.2 275 54 340.8 340.8 294.5 340.8 0.02 23 195 11799 -56.5 -68.5 21 12.0 -56.7 275 52 345.8 345.8 295.7 345.9 0.02 24 161 13023 -51.7 -64.7 20 13.0 -52.1 279 40 373.4 373.4 301.2 373.5 0.04 25 150 13480 -52.3 -65.3 19 13.0 -52.7 280 36 380.0 380.0 302.3 380.1 0.04 26 127 14550 -55.1 -70.1 14 15.0 -55.5 284 32 393.4 393.4 304.3 393.5 0.02 27 100 16080 -54.1 -72.1 9 18.0 -54.6 290 27 423.2 423.2 308.1 423.3 0.02 28 70 18370 -54.9 -77.9 4 23.0 -55.6 315 19 466.9 466.9 312.4 467.0 0.01 29 61 19248 -55.7 -79.7 3 24.0 -56.5 483.9 483.9 313.8 484.0 0.01 TRP 218 11103 -64.3 -75.3 21 11.0 -64.4 270 68 322.9 322.9 289.6 322.9 0.01 WND 220 11047 -63.9 -74.9 21 11.0 -64.0 270 69 322.6 322.6 289.6 322.6 0.01 Sounding variables and indices 1000-500 mb thick: 5452.00 m Freezing level: 794.48 mb = 1953.96 m = 6410.56 ft Wetbulb zero: 815.55 mb = 1742.80 m = 5717.77 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 39.48 % Est. max temperature: 16.91 C = 62.43 F Sfc-Lift cond lev (LCL): 842.87 mb = 1476.34 m = 4843.57 ft T: 3.46 C 700-500 lapse rate: 6.78 C/km ThetaE index: 7.88 C Layer 850.0- 754.0 mb Conv cond level (CCL): 633.40 mb = 3735.91 m = 12256.76 ft Mean mixing ratio: 3.18 g/kg Conv temperature: 28.25 C = 82.85 F Cap Strength: 12.04 C Lifted Index: 12.86 C Risk: None Lifted Index @300 mb: 16.05 C Lifted Index @700 mb: 9.93 C Showalter Index: 5.07 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.10 C K Index: 6.90 Risk: None Sweat Index: 142.00 Risk: None Energy Index: 1.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.41 J/kg Max Up Vert Vel: 6.99 m/s Conv Inhibition (B-): 25165.18 J/kg Cap Strength: 12.79 C Lift Cond Lev (LCL): 816.08 mb = 1737.54 m = 5700.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 31 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 ---------------------------------------------------------- 0 998 95 190 5 0.9 4.9 | 120 33 -28.2 16.3 1 925 718 215 19 10.9 15.6 | 146 32 -18.1 27.0 2 850 1408 260 38 37.4 6.6 | 205 20 8.4 18.0 3 700 2962 270 44 44.0 -0.0 | 233 19 15.0 11.4 4 500 5530 260 54 53.2 9.4 | 229 32 24.1 20.8 5 400 7140 260 60 59.1 10.4 | 234 37 30.0 21.8 6 300 9090 260 64 63.0 11.1 | 236 41 34.0 22.5 7 250 10250 260 69 68.0 12.0 | 239 45 38.9 23.4 8 220 11047 270 69 69.0 -0.0 | 254 42 40.0 11.4 9 218 11103 270 68 68.0 -0.0 | 254 41 39.0 11.4 10 200 11640 275 54 53.8 -4.7 | 255 26 24.8 6.7 11 150 13480 280 36 35.5 -6.3 | 231 8 6.4 5.1 12 100 16080 290 27 25.4 -9.2 | 120 4 -3.7 2.2 13 70 18370 315 19 13.4 -13.4 | 83 16 -15.6 -2.0 Wind Parameters Mean winds (0-6000m): 261.4 at 41.6 knts Storm direction: 291.4 at 31.2 knts Shear (0-3000m) pos: 7.5 neg: 0.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 362.4 neg: -0.0 tot: 362.4 m^2/s^2 ave: 120.8 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 8.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.14 Bulk Shear: 173.38 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 ------------------------------------------------------------------------------- 500 209 11 131 32| 12.0 0.0 12.0|103.2 0.0 103.2 206.4 1.00| 12.2 12.2 1000 221 17 143 30| 13.6 0.0 13.6|235.4 0.0 235.4 235.4 0.95| 15.3 14.6 1500 241 23 158 24| 12.8 0.0 12.8|321.0 0.0 321.0 214.0 0.93| 15.6 14.6 2000 249 27 170 21| 10.2 0.0 10.2|335.9 0.0 335.9 168.0 0.94| 12.5 11.7 2500 254 30 180 19| 8.6 0.0 8.6|351.1 0.0 351.1 140.4 0.94| 10.6 10.0 3000 258 32 188 18| 7.5 0.0 7.5|362.4 -0.0 362.4 120.8 0.93| 9.3 8.7 4000 261 36 200 18| 5.6 0.6 6.3|362.4 -2.0 360.4 90.1 0.85| 7.6 6.5 5000 262 39 209 19| 4.5 1.0 5.6|362.4 -7.7 354.7 70.9 0.77| 6.6 5.1 6000 261 42 214 21| 3.8 1.2 5.0|371.1 -11.2 359.9 60.0 0.73| 5.9 4.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250424.12.gif