UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 25 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 103 SFC 983 245 9.4 5.0 74 4.4 7.2 360 3 283.9 284.9 281.1 299.5 5.56 2 970 356 8.8 4.6 75 4.2 6.7 347 4 284.4 285.4 281.2 299.7 5.48 3 952 512 11.2 4.2 62 7.0 7.6 328 6 288.4 289.3 282.9 303.8 5.43 4 925 752 10.2 1.2 54 9.0 5.8 300 9 289.7 290.5 282.5 302.7 4.51 5 906 925 9.4 -0.6 50 10.0 4.7 293 9 290.6 291.4 282.3 302.4 4.04 6 894 1035 8.6 -0.4 53 9.0 4.4 288 9 290.9 291.7 282.6 303.0 4.15 7 850 1450 5.0 -2.0 60 7.0 1.8 270 9 291.4 292.1 282.5 302.7 3.88 8 769 2258 -2.3 -5.9 76 3.6 -3.7 273 13 292.0 292.5 281.9 301.4 3.20 9 732 2649 -4.5 -7.1 82 2.6 -5.5 274 15 293.7 294.3 282.5 302.8 3.06 10 700 3000 -6.7 -10.2 76 3.5 -7.9 275 17 295.1 295.5 282.4 302.7 2.51 11 638 3714 -12.1 -15.0 79 2.9 -13.0 272 23 296.9 297.2 282.4 302.6 1.87 12 629 3822 -12.5 -15.6 78 3.1 -13.4 272 24 297.6 297.9 282.7 303.2 1.80 13 568 4594 -15.3 -26.3 38 11.0 -17.6 269 31 303.1 303.3 283.7 305.7 0.79 14 500 5540 -22.7 -34.7 33 12.0 -24.4 265 40 305.4 305.4 284.1 306.7 0.40 15 434 6565 -30.1 -43.1 27 13.0 -31.3 262 46 308.6 308.6 285.1 309.3 0.20 16 400 7140 -35.5 -49.5 23 14.0 -36.3 260 50 308.9 308.9 285.0 309.2 0.10 17 399 7157 -35.7 -49.7 22 14.0 -36.5 260 50 308.8 308.8 285.0 309.2 0.10 18 363 7807 -42.1 -52.1 33 10.0 -42.5 265 55 308.7 308.7 284.9 309.0 0.09 19 309 8878 -50.3 -57.3 43 7.0 -50.5 273 63 311.8 311.8 286.1 312.0 0.05 20 300 9070 -52.9 -58.9 48 6.0 -53.0 275 64 310.8 310.8 285.7 311.0 0.05 21 294 9200 -54.5 -60.5 47 6.0 -54.6 275 65 310.3 310.3 285.5 310.5 0.04 22 284 9420 -55.9 -61.9 47 6.0 -56.1 275 66 311.3 311.3 285.8 311.5 0.03 23 252 10170 -60.9 -66.9 45 6.0 -61.0 260 54 314.8 314.8 287.1 314.9 0.02 24 250 10220 -59.7 -65.7 45 6.0 -59.7 255 54 317.3 317.3 287.9 317.4 0.02 25 247 10296 -57.5 -63.5 46 6.0 -57.6 256 53 321.7 321.7 289.3 321.8 0.03 26 233 10665 -57.9 -63.9 46 6.0 -58.0 260 47 326.5 326.5 290.7 326.6 0.03 27 200 11640 -53.3 -60.3 42 7.0 -53.5 270 33 348.4 348.4 296.3 348.6 0.06 28 168 12772 -49.9 -58.9 34 9.0 -50.3 264 27 371.8 371.9 300.9 372.2 0.08 29 150 13510 -51.5 -62.5 26 11.0 -51.9 260 23 381.3 381.3 302.5 381.6 0.06 30 100 16120 -56.3 -70.3 16 14.0 -56.7 260 21 418.9 419.0 307.6 419.1 0.03 31 86 17084 -53.3 -69.3 13 16.0 -53.9 266 18 443.5 443.5 310.3 443.7 0.04 32 70 18400 -56.1 -72.1 12 16.0 -56.7 275 13 464.4 464.4 312.2 464.6 0.03 33 50 20530 -57.3 -75.3 8 18.0 -58.0 260 11 508.4 508.5 315.5 508.6 0.03 34 44 21335 -58.9 -76.9 8 18.0 -59.6 274 12 523.5 523.5 316.5 523.6 0.02 35 34 22961 -56.9 -75.9 7 19.0 -58.0 302 14 568.8 568.8 319.1 569.1 0.04 36 30 23750 -59.1 -79.1 6 20.0 -60.1 315 15 583.5 583.5 319.9 583.7 0.03 37 20 26290 -59.1 -79.1 6 20.0 -60.5 305 11 655.3 655.3 322.9 655.6 0.04 38 18 26950 -59.3 -79.3 6 20.0 -60.8 674.7 674.7 323.6 675.0 0.04 39 12 29538 -51.3 -73.3 6 22.0 -55.5 786.0 786.1 326.9 787.5 0.16 TRP 252 10170 -60.9 -66.9 45 6.0 -61.0 260 54 314.8 314.8 287.1 314.9 0.02 WND 284 9420 -55.9 -61.9 47 6.0 -56.1 275 66 311.3 311.3 285.8 311.5 0.03 Sounding variables and indices 1000-500 mb thick: 5437.00 m Freezing level: 794.52 mb = 2003.31 m = 6572.47 ft Wetbulb zero: 823.28 mb = 1707.64 m = 5602.43 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 61.53 % Est. max temperature: 16.94 C = 62.50 F Sfc-Lift cond lev (LCL): 919.31 mb = 803.27 m = 2635.36 ft T: 9.96 C 700-500 lapse rate: 6.30 C/km ThetaE index: 1.57 C Layer 850.0- 732.0 mb Conv cond level (CCL): 791.94 mb = 2020.73 m = 6629.61 ft Mean mixing ratio: 4.78 g/kg Conv temperature: 17.25 C = 63.05 F Cap Strength: 4.43 C Lifted Index: 4.64 C Risk: None Lifted Index @300 mb: 6.14 C Lifted Index @700 mb: 1.42 C Showalter Index: 4.41 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 20.70 C K Index: 22.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 58.00 Risk: None Energy Index: 0.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.03 J/kg Max Up Vert Vel: 7.62 m/s Conv Inhibition (B-): 49092.57 J/kg Cap Strength: 4.63 C Lift Cond Lev (LCL): 829.60 mb = 1645.96 m = 5400.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 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 ---------------------------------------------------------- 0 983 245 360 3 -0.0 -3.0 | 110 15 -14.6 5.2 1 925 752 300 9 7.8 -4.5 | 119 8 -6.8 3.7 2 850 1450 270 9 9.0 -0.0 | 146 10 -5.6 8.2 3 700 3000 275 17 16.9 -1.5 | 199 7 2.4 6.7 4 500 5540 265 40 39.8 3.5 | 245 28 25.3 11.7 5 400 7140 260 50 49.2 8.7 | 244 39 34.7 16.9 6 300 9070 275 64 63.8 -5.6 | 267 49 49.2 2.6 7 284 9420 275 66 65.7 -5.8 | 267 51 51.2 2.4 8 252 10170 260 54 53.2 9.4 | 246 42 38.6 17.6 9 250 10220 255 54 52.2 14.0 | 239 44 37.6 22.2 10 200 11640 270 33 33.0 -0.0 | 246 20 18.4 8.2 11 150 13510 260 23 22.7 4.0 | 214 15 8.1 12.2 12 100 16120 260 21 20.7 3.6 | 207 13 6.1 11.8 13 70 18400 275 13 13.0 -1.1 | 167 7 -1.6 7.1 14 50 20530 260 11 10.8 1.9 | 160 11 -3.7 10.1 15 30 23750 315 15 10.6 -10.6 | 59 5 -4.0 -2.4 16 20 26290 305 11 9.0 -6.3 | 109 6 -5.6 1.9 Wind Parameters Mean winds (0-6000m): 269.3 at 22.3 knts Storm direction: 299.3 at 16.7 knts Shear (0-3000m) pos: 0.9 neg: 2.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 33.3 neg: -4.6 tot: 28.7 m^2/s^2 ave: 9.6 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 45.57 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 ------------------------------------------------------------------------------- 500 314 6 111 11| 0.0 8.0 8.0| 4.9 -4.6 0.3 0.5 0.10| 8.9 0.9 1000 299 7 120 9| 0.0 4.7 4.7| 11.7 -4.6 7.0 7.0 0.33| 6.2 2.1 1500 288 8 130 9| 0.0 3.7 3.7| 17.0 -4.6 12.3 8.2 0.41| 5.1 2.1 2000 283 9 137 8| 0.7 2.8 3.5| 22.0 -4.6 17.4 8.7 0.48| 4.5 2.2 2500 280 10 145 8| 1.1 2.2 3.3| 26.9 -4.6 22.3 8.9 0.54| 4.1 2.3 3000 279 11 152 7| 0.9 2.5 3.3| 33.3 -4.6 28.7 9.6 0.60| 4.1 2.4 4000 276 14 178 7| 0.7 3.0 3.7| 47.7 -4.6 43.1 10.8 0.58| 4.2 2.4 5000 272 18 206 8| 0.5 3.4 3.9| 57.3 -4.6 52.7 10.5 0.49| 4.3 2.1 6000 269 22 222 11| 0.4 3.4 3.9| 58.8 -5.6 53.2 8.9 0.42| 4.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250425.00.gif