UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 28 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 230 270 9 SFC 998 247 12.6 -7.4 24 20.0 4.6 270 9 285.9 286.3 277.8 292.3 2.19 2 823 1805 -3.9 -13.9 46 10.0 -6.9 276 7 284.7 285.0 276.3 289.4 1.58 3 725 2786 -11.3 -20.3 47 9.0 -13.4 299 9 287.1 287.3 276.8 290.3 1.05 4 701 3043 -11.7 -19.7 51 8.0 -13.6 305 9 289.4 289.6 278.1 292.9 1.14 5 700 3054 -11.7 -19.7 51 8.0 -13.6 305 9 289.5 289.7 278.2 293.0 1.14 6 668 3410 -13.1 -29.1 25 16.0 -16.0 306 13 291.9 291.9 278.4 293.5 0.52 7 618 3996 -16.5 -24.5 50 8.0 -18.1 309 20 294.5 294.7 280.1 297.2 0.85 8 550 4863 -20.1 -26.1 59 6.0 -21.2 312 31 300.2 300.4 282.5 302.9 0.83 9 500 5560 -24.7 -30.7 57 6.0 -25.6 315 40 302.9 303.0 283.4 304.9 0.59 10 452 6290 -29.7 -35.7 56 6.0 -30.4 315 42 305.5 305.6 284.1 306.9 0.40 11 400 7150 -37.5 -44.5 48 7.0 -37.9 315 44 306.3 306.3 284.1 306.9 0.18 12 300 9070 -54.5 -62.5 37 8.0 -54.6 315 64 308.5 308.5 284.8 308.6 0.03 13 290 9285 -56.4 -64.4 36 8.0 -56.5 315 64 308.8 308.8 284.9 308.9 0.02 14 267 9801 -61.1 -69.1 34 8.0 -61.2 320 60 309.4 309.4 285.1 309.4 0.01 15 250 10210 -59.1 -67.1 35 8.0 -59.2 325 46 318.2 318.2 288.2 318.3 0.02 16 200 11630 -55.5 -65.5 28 10.0 -55.7 320 33 344.9 344.9 295.5 345.0 0.03 17 182 12233 -52.7 -63.7 25 11.0 -53.0 318 31 358.9 358.9 298.5 359.0 0.04 18 155 13261 -55.1 -69.1 16 14.0 -55.4 316 28 371.6 371.6 300.9 371.7 0.02 19 150 13470 -54.3 -69.3 14 15.0 -54.6 315 27 376.5 376.5 301.7 376.6 0.02 20 100 16070 -54.1 -74.1 7 20.0 -54.6 300 13 423.2 423.2 308.1 423.3 0.02 21 70 18360 -52.9 -75.9 5 23.0 -53.8 250 17 471.2 471.2 312.7 471.3 0.02 22 52 20269 -53.3 -76.3 4 23.0 -54.4 237 15 512.1 512.1 315.8 512.2 0.02 23 50 20520 -54.9 -77.9 4 23.0 -55.9 235 15 514.1 514.1 315.9 514.2 0.02 24 43 21480 -56.1 -78.1 5 22.0 -57.1 232 14 533.8 533.8 317.2 533.9 0.02 25 33 23177 -52.1 -75.1 5 23.0 -54.0 227 13 586.4 586.4 320.0 586.7 0.04 26 30 23790 -54.3 -77.3 4 23.0 -55.9 225 13 596.6 596.6 320.5 596.9 0.03 27 23 25492 -54.9 -77.9 4 23.0 -56.8 212 17 641.9 642.0 322.4 642.3 0.04 28 20 26390 -52.9 -75.9 5 23.0 -55.5 205 19 674.3 674.3 323.6 674.8 0.06 29 12 29715 -50.9 -73.9 5 23.0 -55.3 183 10 787.4 787.5 327.0 788.8 0.14 30 11 30291 -44.7 -69.7 4 25.0 -51.8 179 9 829.8 829.9 328.0 832.8 0.29 31 10 30930 -44.9 -69.9 4 25.0 -52.2 175 7 851.9 852.1 328.5 855.2 0.31 32 9.8 31065 -45.1 -69.1 5 24.0 -52.4 856.1 856.3 328.6 859.9 0.35 TRP 267 9801 -61.1 -69.1 34 8.0 -61.2 320 60 309.4 309.4 285.1 309.4 0.01 WND 290 9285 -56.4 -64.4 36 8.0 -56.5 315 64 308.8 308.8 284.9 308.9 0.02 Sounding variables and indices 1000-500 mb thick: 5330.00 m Freezing level: 864.36 mb = 1436.70 m = 4713.51 ft Wetbulb zero: 928.32 mb = 831.64 m = 2728.44 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 44.74 % Est. max temperature: 11.62 C = 52.92 F Sfc-Lift cond lev (LCL): 735.37 mb = 2676.36 m = 8780.60 ft T: -10.47 C 700-500 lapse rate: 5.19 C/km ThetaE index: 2.97 C Layer 823.0- 725.0 mb Conv cond level (CCL): 659.02 mb = 3511.75 m = 11521.34 ft Mean mixing ratio: 2.02 g/kg Conv temperature: 19.01 C = 66.22 F Cap Strength: 9.00 C Lifted Index: 10.38 C Risk: None Lifted Index @300 mb: 12.10 C Lifted Index @700 mb: 2.87 C Showalter Index: 11.61 C Risk: None Total Totals Index: 35.45 C Risk: None Vertical Totals Index: 23.56 C Cross Totals Index: 11.89 C K Index: 2.75 Risk: None Sweat Index: 55.22 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.40 J/kg Max Up Vert Vel: 5.90 m/s Conv Inhibition (B-): 59322.36 J/kg Cap Strength: 10.19 C Lift Cond Lev (LCL): 726.02 mb = 2775.48 m = 9105.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 15 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 ---------------------------------------------------------- 0 998 247 270 9 9.0 -0.0 | 187 14 1.7 13.7 1 925 868 240 25 21.7 12.5 | 209 30 14.4 26.2 2 850 1545 270 7 7.0 -0.0 | 179 14 -0.3 13.7 3 700 3054 305 9 7.4 -5.2 | 181 9 0.1 8.5 4 500 5560 315 40 28.3 -28.3 | 305 26 21.0 -14.6 5 400 7150 315 44 31.1 -31.1 | 306 30 23.8 -17.4 6 300 9070 315 64 45.3 -45.3 | 310 49 38.0 -31.6 7 290 9285 315 64 45.3 -45.3 | 310 49 38.0 -31.6 8 267 9801 320 60 38.6 -46.0 | 316 45 31.3 -32.3 9 250 10210 325 46 26.4 -37.7 | 321 31 19.1 -24.0 10 200 11630 320 33 21.2 -25.3 | 310 18 13.9 -11.6 11 150 13470 315 27 19.1 -19.1 | 295 13 11.8 -5.4 12 100 16070 300 13 11.3 -6.5 | 209 8 4.0 7.2 13 70 18360 250 17 16.0 5.8 | 204 21 8.7 19.5 14 50 20520 235 15 12.3 8.6 | 193 23 5.0 22.3 15 30 23790 225 13 9.2 9.2 | 185 23 1.9 22.9 16 20 26390 205 19 8.0 17.2 | 181 31 0.8 30.9 17 10 30930 175 7 -0.6 7.0 | 159 22 -7.9 20.6 Wind Parameters Mean winds (0-6000m): 302.0 at 20.6 knts Storm direction: 332.0 at 15.5 knts Shear (0-3000m) pos: 3.2 neg: 2.4 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 8.4 deg Storm rel helicity (0-3000m) pos: 35.6 neg: -40.5 tot: -4.9 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.48 Bulk Shear: 36.15 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 ------------------------------------------------------------------------------- 500 250 15 201 20| 0.0 14.6 14.6| 29.0 0.0 29.0 58.1 0.44| 14.9 6.6 1000 247 18 204 23| 4.0 7.3 11.3| 29.0 -13.7 15.3 15.3 0.14| 14.8 2.1 1500 249 15 200 20| 5.5 4.9 10.3| 29.9 -40.0 -10.1 -6.8 -0.06| 12.9 -0.7 2000 253 13 197 18| 4.3 3.6 7.9| 31.2 -40.0 -8.8 -4.4 -0.04| 10.1 -0.5 2500 259 12 196 17| 3.7 2.9 6.6| 31.4 -40.1 -8.7 -3.5 -0.04| 8.5 -0.4 3000 265 12 197 15| 3.2 2.4 5.7| 35.6 -40.5 -4.9 -1.6 0.00| 7.7 0.0 4000 280 13 207 13| 3.1 1.8 4.9| 57.8 -40.5 17.2 4.3 0.19| 7.3 1.4 5000 294 17 229 10| 3.5 1.5 5.0| 84.0 -40.5 43.5 8.7 0.25| 7.2 1.8 6000 302 21 255 11| 3.3 1.2 4.5| 96.0 -40.5 55.5 9.2 0.25| 6.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250428.12.gif