UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 19 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 151 SFC 989 244 13.4 4.4 54 9.0 8.8 200 3 287.5 288.4 282.4 302.5 5.30 2 962 479 18.4 5.4 42 13.0 11.2 199 7 294.8 295.8 286.0 311.8 5.85 3 930 769 17.4 1.4 34 16.0 9.1 198 13 296.6 297.5 285.4 310.1 4.55 4 925 815 17.2 1.2 34 16.0 8.9 198 14 296.9 297.7 285.4 310.3 4.51 5 850 1530 12.6 0.6 44 12.0 6.5 195 27 299.3 300.2 286.5 313.4 4.70 6 848 1550 12.6 1.6 47 11.0 6.8 195 27 299.5 300.5 287.0 314.7 5.07 7 807 1962 7.2 -2.8 49 10.0 2.5 188 22 298.1 298.8 285.2 309.6 3.85 8 750 2560 2.0 -11.0 37 13.0 -2.9 179 15 298.7 299.1 283.6 305.5 2.20 9 700 3114 -1.3 -17.3 28 16.0 -6.4 170 9 301.0 301.3 283.6 305.5 1.40 10 576 4639 -10.5 -36.5 10 26.0 -15.1 248 9 307.5 307.6 284.8 308.6 0.29 11 529 5287 -15.1 -32.1 22 17.0 -18.3 282 9 309.6 309.7 285.8 311.3 0.49 12 500 5710 -18.7 -34.7 23 16.0 -21.3 305 9 310.2 310.3 285.9 311.6 0.40 13 444 6578 -26.7 -34.7 47 8.0 -27.8 332 10 310.9 311.0 286.2 312.4 0.45 14 400 7320 -32.1 -44.1 29 12.0 -33.1 355 11 313.3 313.3 286.7 314.0 0.19 15 353 8192 -39.5 -57.5 13 18.0 -40.2 4 20 314.7 314.7 287.1 314.9 0.05 16 340 8449 -41.9 -58.9 14 17.0 -42.5 6 22 314.8 314.8 287.1 315.0 0.04 17 300 9290 -47.1 -64.1 13 17.0 -47.5 15 31 319.0 319.0 288.4 319.1 0.02 18 250 10470 -55.9 -70.9 14 15.0 -56.1 30 31 323.0 323.0 289.7 323.0 0.01 19 235 10864 -58.1 -73.1 13 15.0 -58.2 25 23 325.4 325.4 290.4 325.4 0.01 20 200 11890 -55.9 -70.9 14 15.0 -56.1 10 17 344.2 344.2 295.3 344.3 0.01 21 154 13560 -51.3 -67.3 13 16.0 -51.8 325 12 378.8 378.8 302.1 379.0 0.03 22 150 13730 -52.1 -68.1 13 16.0 -52.5 320 11 380.3 380.3 302.3 380.4 0.03 23 100 16320 -57.5 -76.5 7 19.0 -57.9 320 9 416.6 416.6 307.3 416.7 0.01 24 70 18570 -57.1 -77.1 6 20.0 -57.6 335 7 462.2 462.2 312.0 462.3 0.02 25 50 20700 -55.9 -76.9 6 21.0 -56.8 345 13 511.7 511.8 315.8 511.9 0.02 26 47 21093 -56.7 -77.7 5 21.0 -57.6 347 13 519.0 519.0 316.2 519.1 0.02 27 34 23171 -51.3 -74.3 5 23.0 -53.3 0 15 583.5 583.5 319.9 583.9 0.05 28 30 23980 -53.5 -76.5 4 23.0 -55.3 5 15 598.8 598.8 320.6 599.1 0.04 29 20 26600 -53.7 -76.7 4 23.0 -56.1 25 29 671.8 671.8 323.5 672.3 0.06 30 16 28030 -55.1 -78.1 4 23.0 -57.6 711.5 711.5 324.8 712.0 0.06 TRP 235 10864 -58.1 -73.1 13 15.0 -58.2 25 23 325.4 325.4 290.4 325.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5559.00 m Freezing level: 719.70 mb = 2895.64 m = 9500.02 ft Wetbulb zero: 780.44 mb = 2235.06 m = 7332.79 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 29.87 % Est. max temperature: 25.14 C = 77.26 F Sfc-Lift cond lev (LCL): 863.29 mb = 1398.85 m = 4589.33 ft T: 13.44 C 700-500 lapse rate: 6.70 C/km ThetaE index: 9.16 C Layer 807.0- 576.0 mb Conv cond level (CCL): 702.54 mb = 3084.91 m = 10120.98 ft Mean mixing ratio: 5.02 g/kg Conv temperature: 26.82 C = 80.28 F Cap Strength: 3.98 C Lifted Index: 3.60 C Risk: None Lifted Index @300 mb: 6.61 C Lifted Index @700 mb: 2.84 C Showalter Index: 1.50 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.30 C Cross Totals Index: 19.30 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 102.20 Risk: None Energy Index: -0.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.64 J/kg Max Up Vert Vel: 8.08 m/s Conv Inhibition (B-): 45421.54 J/kg Cap Strength: 4.11 C Lift Cond Lev (LCL): 761.69 mb = 2433.44 m = 7983.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 at 9 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 ---------------------------------------------------------- 0 989 244 200 3 1.0 2.8 | 68 7 -6.6 -2.7 1 850 1530 195 27 7.0 26.1 | 178 21 -0.6 20.5 2 700 3114 170 9 -1.6 8.9 | 110 10 -9.2 3.3 3 500 5710 305 9 7.4 -5.2 | 1 11 -0.3 -10.7 4 400 7320 355 11 1.0 -11.0 | 22 18 -6.7 -16.5 5 300 9290 15 31 -8.0 -29.9 | 24 39 -15.7 -35.5 6 250 10470 30 31 -15.5 -26.8 | 36 40 -23.1 -32.4 7 235 10864 25 23 -9.7 -20.8 | 33 32 -17.3 -26.4 8 200 11890 10 17 -3.0 -16.7 | 25 25 -10.6 -22.3 9 150 13730 320 11 7.1 -8.4 | 2 14 -0.6 -14.0 10 100 16320 320 9 5.8 -6.9 | 8 13 -1.8 -12.4 11 70 18570 335 7 3.0 -6.3 | 21 13 -4.7 -11.9 12 50 20700 345 13 3.4 -12.6 | 13 19 -4.3 -18.1 13 30 23980 5 15 -1.3 -14.9 | 24 22 -8.9 -20.5 14 20 26600 25 29 -12.3 -26.3 | 32 38 -19.9 -31.8 Wind Parameters Mean winds (0-6000m): 204.0 at 12.6 knts Storm direction: 234.0 at 9.4 knts Shear (0-3000m) pos: 0.7 neg: 1.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 45.3 deg Storm rel helicity (0-3000m) pos: 32.1 neg: -61.5 tot: -29.4 m^2/s^2 ave: -9.8 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 7.46 Bulk Shear: 4.38 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 ------------------------------------------------------------------------------- 500 193 7 103 6| 0.0 9.6 9.6| 13.3 0.0 13.3 26.6 0.90| 9.6 8.7 1000 196 12 144 8| 0.0 9.6 9.6| 25.8 0.0 25.8 25.8 0.69| 9.6 6.7 1500 195 16 162 11| 0.0 7.4 7.4| 31.2 -10.7 20.5 13.7 0.45| 9.1 4.1 2000 193 18 163 12| 0.0 4.1 4.1| 31.2 -33.0 -1.8 -0.9 0.21| 8.5 1.8 2500 192 17 161 12| 0.0 2.2 2.2| 31.2 -50.7 -19.6 -7.8 0.05| 8.1 0.4 3000 191 16 157 11| 0.7 1.8 2.5| 32.1 -61.5 -29.4 -9.8 -0.04| 7.6 -0.3 4000 193 15 153 10| 1.4 1.4 2.7| 34.8 -61.6 -26.8 -6.7 -0.01| 6.7 -0.1 5000 198 13 154 8| 1.8 1.1 2.9| 36.1 -62.0 -25.8 -5.2 -0.02| 6.3 -0.1 6000 204 13 157 6| 1.9 0.9 2.8| 44.1 -62.0 -17.8 -3.0 0.02| 5.8 0.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250419.00.gif