UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 16 APR 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 232 160 7 SFC 999 241 18.8 1.8 32 17.0 10.1 160 7 292.0 292.8 283.3 304.7 4.36 2 974 456 15.2 -2.8 29 18.0 6.9 163 12 290.5 291.1 281.3 299.9 3.19 3 925 890 11.2 -3.8 35 15.0 4.5 170 23 290.8 291.3 281.3 299.9 3.12 4 850 1586 4.0 -7.0 44 11.0 -0.4 175 23 290.3 290.8 280.6 298.2 2.66 5 798 2094 -1.1 -8.1 59 7.0 -3.7 177 24 290.2 290.6 280.4 297.9 2.60 6 788 2194 -1.9 -9.9 54 8.0 -4.7 177 25 290.4 290.8 280.1 297.2 2.28 7 748 2608 -1.7 -24.7 15 23.0 -7.5 178 26 295.0 295.1 280.1 297.2 0.69 8 733 2769 -2.1 -32.1 8 30.0 -8.4 179 26 296.2 296.3 280.2 297.4 0.35 9 700 3134 -3.5 -15.5 39 12.0 -7.4 180 27 298.6 298.9 282.9 303.7 1.63 10 694 3202 -3.9 -14.9 42 11.0 -7.5 180 27 298.9 299.2 283.1 304.3 1.73 11 665 3538 -4.7 -29.7 12 25.0 -10.3 179 26 301.7 301.8 282.7 303.3 0.49 12 638 3862 -6.7 -35.7 8 29.0 -12.2 179 25 303.0 303.0 283.0 304.0 0.29 13 587 4507 -10.7 -22.7 37 12.0 -13.7 177 23 305.6 305.8 284.9 309.1 1.05 14 564 4813 -12.1 -35.1 13 23.0 -16.2 177 22 307.5 307.6 284.8 308.7 0.34 15 527 5327 -16.7 -46.7 6 30.0 -20.3 176 20 308.0 308.0 284.7 308.4 0.11 16 500 5720 -19.3 -48.3 6 29.0 -22.4 175 19 309.5 309.5 285.2 309.9 0.10 17 438 6685 -27.9 -49.9 10 22.0 -29.6 225 18 310.6 310.6 285.7 310.9 0.09 18 400 7330 -31.9 -40.9 41 9.0 -32.8 260 17 313.5 313.6 286.9 314.5 0.27 19 378 7727 -34.5 -41.5 49 7.0 -35.1 263 17 315.2 315.3 287.5 316.2 0.27 20 300 9300 -46.7 -53.7 45 7.0 -47.0 275 19 319.5 319.5 288.7 319.9 0.09 21 274 9894 -50.9 -57.9 43 7.0 -51.1 268 21 321.8 321.9 289.4 322.1 0.06 22 250 10480 -57.1 -64.1 41 7.0 -57.2 260 23 321.2 321.2 289.1 321.3 0.03 23 231 10977 -61.5 -68.5 39 7.0 -61.6 270 23 321.8 321.8 289.3 321.9 0.02 24 200 11880 -58.1 -66.1 35 8.0 -58.2 290 29 340.8 340.8 294.5 340.9 0.03 25 174 12763 -54.9 -63.9 32 9.0 -55.1 295 25 359.9 359.9 298.7 360.1 0.04 26 150 13710 -55.3 -65.3 28 10.0 -55.6 300 21 374.8 374.8 301.4 375.0 0.04 27 100 16280 -57.3 -72.3 13 15.0 -57.6 295 19 417.0 417.0 307.4 417.1 0.02 28 81 17620 -54.9 -71.9 10 17.0 -55.5 268 13 447.8 447.9 310.7 448.0 0.03 29 70 18550 -56.1 -74.1 9 18.0 -56.7 250 9 464.4 464.4 312.2 464.5 0.02 30 50 20690 -55.1 -75.1 7 20.0 -56.1 230 5 513.6 513.6 315.9 513.8 0.03 31 37 22610 -55.9 -76.9 6 21.0 -57.1 557.8 557.8 318.5 558.0 0.03 TRP 231 10977 -61.5 -68.5 39 7.0 -61.6 270 23 321.8 321.8 289.3 321.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 809.22 mb = 1984.27 m = 6510.00 ft Wetbulb zero: 855.95 mb = 1528.59 m = 5015.01 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 26.80 % Est. max temperature: 17.10 C = 62.78 F Sfc-Lift cond lev (LCL): 774.27 mb = 2333.87 m = 7656.95 ft T: -1.83 C 700-500 lapse rate: 6.11 C/km ThetaE index: 4.84 C Layer 974.0- 925.0 mb Conv cond level (CCL): 613.89 mb = 4160.31 m = 13649.14 ft Mean mixing ratio: 3.27 g/kg Conv temperature: 30.99 C = 87.78 F Cap Strength: 9.33 C Lifted Index: 9.39 C Risk: None Lifted Index @300 mb: 13.69 C Lifted Index @700 mb: 5.68 C Showalter Index: 10.91 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 12.30 C K Index: 4.30 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.89 J/kg Max Up Vert Vel: 6.31 m/s Conv Inhibition (B-): 32500.53 J/kg Cap Strength: 9.32 C Lift Cond Lev (LCL): 742.23 mb = 2669.75 m = 8758.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 207 at 17 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 ---------------------------------------------------------- 0 999 241 160 7 -2.4 6.6 | 51 13 -10.1 -8.3 1 925 890 170 23 -4.0 22.7 | 124 14 -11.7 7.8 2 850 1586 175 23 -2.0 22.9 | 130 13 -9.7 8.0 3 700 3134 180 27 0.0 27.0 | 148 14 -7.7 12.1 4 500 5720 175 19 -1.7 18.9 | 113 10 -9.3 4.1 5 400 7330 260 17 16.7 3.0 | 323 15 9.1 -11.9 6 300 9300 275 19 18.9 -1.7 | 326 20 11.3 -16.5 7 250 10480 260 23 22.7 4.0 | 306 19 15.0 -10.9 8 231 10977 270 23 23.0 -0.0 | 314 21 15.3 -14.9 9 200 11880 290 29 27.3 -9.9 | 322 32 19.6 -24.8 10 150 13710 300 21 18.2 -10.5 | 338 27 10.5 -25.4 11 100 16280 295 19 17.2 -8.0 | 337 25 9.5 -22.9 12 70 18550 250 9 8.5 3.1 | 356 12 0.8 -11.8 13 50 20690 230 5 3.8 3.2 | 18 12 -3.8 -11.7 Wind Parameters Mean winds (0-6000m): 177.3 at 22.3 knts Storm direction: 207.3 at 16.7 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 69.9 neg: -0.9 tot: 69.0 m^2/s^2 ave: 23.0 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.59 Bulk Shear: 12.52 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 ------------------------------------------------------------------------------- 500 167 13 79 11| 12.8 0.0 12.8| 38.3 0.0 38.3 76.6 0.98| 12.8 12.5 1000 169 18 103 11| 8.4 0.0 8.4| 52.7 0.0 52.7 52.7 0.95| 8.8 8.4 1500 171 20 113 12| 5.7 0.0 5.7| 56.5 0.0 56.5 37.7 0.94| 6.4 6.0 2000 173 21 119 12| 4.7 0.0 4.7| 61.2 0.0 61.2 30.6 0.94| 5.2 4.8 2500 174 22 124 12| 4.0 0.0 4.0| 66.1 0.0 66.1 26.4 0.94| 4.4 4.1 3000 175 23 128 12| 3.5 0.0 3.5| 69.9 -0.9 69.0 23.0 0.91| 3.9 3.6 4000 176 23 132 12| 2.6 0.4 3.0| 69.9 -9.8 60.1 15.0 0.70| 3.4 2.4 5000 176 23 131 12| 2.1 0.7 2.7| 69.9 -18.2 51.7 10.3 0.53| 3.0 1.6 6000 177 22 130 11| 1.7 0.5 2.2| 75.6 -21.7 53.9 9.0 0.46| 3.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250416.12.gif