UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 21 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 ------------------------------------------------------------------------------- SFC 1006 95 6.6 -9.4 31 16.0 1.0 120 9 279.3 279.6 273.8 284.6 1.86 1 1000 144 6.0 -12.0 26 18.0 0.0 125 9 279.1 279.4 273.2 283.5 1.52 2 925 775 0.8 -16.2 27 17.0 -4.1 160 15 280.1 280.3 273.2 283.6 1.16 3 860 1355 -3.5 -17.5 33 14.0 -7.2 207 18 281.5 281.7 273.9 284.9 1.12 4 850 1447 -3.7 -16.7 36 13.0 -7.2 215 19 282.3 282.5 274.5 285.9 1.22 5 839 1550 -4.1 -17.1 36 13.0 -7.6 218 19 282.9 283.1 274.8 286.4 1.19 6 826 1674 -2.5 -16.5 33 14.0 -6.5 221 20 285.9 286.1 276.5 289.7 1.27 7 772 2208 -5.3 -24.3 21 19.0 -9.6 235 21 288.4 288.5 276.9 290.6 0.69 8 706 2905 -9.1 -33.1 12 24.0 -13.3 253 23 291.7 291.8 278.0 292.8 0.33 9 700 2971 -9.7 -32.7 13 23.0 -13.7 255 23 291.7 291.8 278.1 292.9 0.35 10 698 2993 -9.9 -31.9 15 22.0 -13.8 255 23 291.8 291.8 278.2 293.0 0.38 11 664 3381 -7.3 -10.1 80 2.8 -8.3 259 28 298.9 299.4 284.2 307.0 2.67 12 650 3547 -7.9 -10.1 84 2.2 -8.7 261 29 300.0 300.5 284.7 308.4 2.73 13 568 4584 -14.3 -18.1 73 3.8 -15.3 271 41 304.3 304.6 285.1 309.5 1.62 14 500 5540 -21.1 -25.4 68 4.3 -22.0 280 52 307.3 307.5 285.5 310.5 0.97 15 418 6831 -30.7 -37.7 50 7.0 -31.4 284 57 311.1 311.2 286.2 312.4 0.36 16 400 7140 -33.5 -41.5 44 8.0 -34.2 285 58 311.4 311.5 286.2 312.4 0.25 17 300 9090 -50.3 -60.3 30 10.0 -50.5 280 64 314.5 314.5 286.9 314.6 0.04 18 251 10225 -57.9 -68.9 23 11.0 -58.0 280 79 319.6 319.6 288.6 319.6 0.01 19 250 10250 -58.1 -69.1 23 11.0 -58.2 280 79 319.7 319.7 288.6 319.7 0.01 20 241 10480 -59.9 -69.9 26 10.0 -60.0 279 77 320.4 320.4 288.9 320.4 0.01 21 240 10506 -60.1 -70.1 26 10.0 -60.2 279 77 320.4 320.4 288.9 320.5 0.01 22 218 11103 -61.9 -72.9 22 11.0 -62.0 275 73 326.6 326.6 290.7 326.6 0.01 23 200 11640 -59.3 -70.3 23 11.0 -59.5 285 58 338.9 338.9 294.0 338.9 0.01 24 190 11964 -57.3 -69.3 20 12.0 -57.5 287 56 347.1 347.1 296.0 347.2 0.02 25 150 13470 -55.1 -68.1 18 13.0 -55.4 295 46 375.1 375.1 301.5 375.3 0.03 26 132 14288 -54.5 -68.5 16 14.0 -54.9 298 41 390.2 390.2 303.8 390.3 0.03 27 100 16060 -56.1 -71.1 14 15.0 -56.5 305 31 419.3 419.3 307.6 419.5 0.03 28 70 18330 -55.7 -72.7 10 17.0 -56.3 305 21 465.2 465.2 312.3 465.4 0.03 29 50 20460 -57.7 -75.7 8 18.0 -58.4 310 19 507.5 507.5 315.5 507.7 0.03 30 35 22710 -57.9 -76.9 7 19.0 -58.9 561.5 561.5 318.8 561.7 0.03 TRP 218 11103 -61.9 -72.9 22 11.0 -62.0 275 73 326.6 326.6 290.7 326.6 0.01 WND 251 10225 -57.9 -68.9 23 11.0 -58.0 280 79 319.6 319.6 288.6 319.6 0.01 Sounding variables and indices 1000-500 mb thick: 5396.00 m Freezing level: 912.91 mb = 882.85 m = 2896.46 ft Wetbulb zero: 999.64 mb = 146.93 m = 482.03 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 47.16 % Est. max temperature: 9.16 C = 48.49 F Sfc-Lift cond lev (LCL): 785.43 mb = 2071.44 m = 6795.97 ft T: -4.59 C 700-500 lapse rate: 4.44 C/km ThetaE index: 1.05 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 490.71 mb = 5675.12 m = 18618.94 ft Mean mixing ratio: 1.33 g/kg Conv temperature: 35.12 C = 95.21 F Cap Strength: 18.73 C Lifted Index: 20.01 C Risk: None Lifted Index @300 mb: 21.87 C Lifted Index @700 mb: 10.32 C Showalter Index: 18.26 C Risk: None Total Totals Index: 21.80 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 4.40 C K Index: -22.30 Risk: None Sweat Index: 228.29 Risk: None Energy Index: 5.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.54 J/kg Max Up Vert Vel: 2.66 m/s Conv Inhibition (B-): 40620.57 J/kg Cap Strength: 19.81 C Lift Cond Lev (LCL): 729.75 mb = 2646.83 m = 8683.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 1006 95 120 9 -7.8 4.5 | 114 31 -28.6 12.6 1 1000 144 125 9 -7.4 5.2 | 115 31 -28.1 13.3 2 925 775 160 15 -5.1 14.1 | 131 34 -25.9 22.2 3 850 1447 215 19 10.9 15.6 | 157 26 -9.9 23.7 4 700 2971 255 23 22.2 6.0 | 186 14 1.4 14.1 5 500 5540 280 52 51.2 -9.0 | 272 30 30.4 -0.9 6 400 7140 285 58 56.0 -15.0 | 281 36 35.2 -6.9 7 300 9090 280 64 63.0 -11.1 | 274 42 42.3 -3.0 8 251 10225 280 79 77.8 -13.7 | 276 57 57.0 -5.6 9 250 10250 280 79 77.8 -13.7 | 276 57 57.0 -5.6 10 218 11103 275 73 72.7 -6.4 | 268 52 51.9 1.8 11 200 11640 285 58 56.0 -15.0 | 281 36 35.2 -6.9 12 150 13470 295 46 41.7 -19.4 | 298 24 20.9 -11.3 13 100 16060 305 31 25.4 -17.8 | 334 11 4.6 -9.6 14 70 18330 305 21 17.2 -12.0 | 42 5 -3.6 -3.9 15 50 20460 310 19 14.6 -12.2 | 57 7 -6.2 -4.1 Wind Parameters Mean winds (0-6000m): 261.4 at 29.7 knts Storm direction: 291.4 at 22.3 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 78.0 deg Storm rel helicity (0-3000m) pos: 259.0 neg: 0.0 tot: 259.0 m^2/s^2 ave: 86.3 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.02 Bulk Shear: 179.57 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 ------------------------------------------------------------------------------- 500 139 11 120 32| 7.3 0.0 7.3| 57.5 0.0 57.5 114.9 0.93| 7.4 6.9 1000 157 13 128 33| 8.0 0.0 8.0|144.6 0.0 144.6 144.6 0.94| 9.1 8.5 1500 178 15 137 31| 7.8 0.0 7.8|206.9 0.0 206.9 137.9 0.88| 9.7 8.5 2000 194 16 145 29| 6.6 0.0 6.6|227.2 0.0 227.2 113.6 0.85| 8.5 7.3 2500 207 17 151 27| 5.8 0.0 5.8|243.6 0.0 243.6 97.4 0.82| 7.8 6.5 3000 218 18 157 24| 5.4 0.0 5.4|259.0 0.0 259.0 86.3 0.81| 7.5 6.0 4000 235 21 170 20| 5.6 0.0 5.6|307.5 0.0 307.5 76.9 0.84| 7.2 6.0 5000 251 25 190 17| 5.7 0.0 5.7|369.3 0.0 369.3 73.9 0.83| 7.1 5.9 6000 261 30 214 15| 5.4 0.0 5.4|419.3 0.0 419.3 69.9 0.82| 6.7 5.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250421.12.gif