UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 18 OCT 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 143 SFC 988 242 6.4 4.7 89 1.7 5.6 110 3 280.5 281.4 279.3 295.4 5.42 2 925 780 3.4 0.4 81 3.0 2.1 175 3 282.8 283.5 279.0 294.7 4.25 3 850 1463 0.2 -1.6 88 1.8 -0.6 250 15 286.4 287.1 280.3 297.8 4.00 4 792 2026 -3.7 -5.3 89 1.6 -4.3 250 16 288.0 288.6 280.2 297.5 3.25 5 780 2146 -3.1 -4.7 89 1.6 -3.7 250 17 289.9 290.5 281.3 300.0 3.45 6 700 2994 -8.9 -10.6 87 1.7 -9.5 250 19 292.6 293.1 281.3 299.9 2.43 7 622 3895 -16.5 -18.7 83 2.2 -17.0 254 24 294.0 294.2 280.6 298.3 1.40 8 590 4293 -16.1 -19.8 73 3.7 -17.0 255 26 298.9 299.2 282.7 303.2 1.35 9 500 5520 -23.9 -28.9 63 5.0 -24.7 260 33 303.9 304.0 283.9 306.2 0.70 10 444 6372 -31.3 -37.3 55 6.0 -31.9 260 38 305.1 305.1 283.9 306.3 0.35 11 400 7100 -37.1 -43.1 54 6.0 -37.5 260 42 306.8 306.8 284.4 307.5 0.21 12 342 8165 -46.1 -51.0 57 4.9 -46.3 260 47 308.6 308.6 284.9 309.0 0.10 13 300 9030 -50.7 -55.2 59 4.5 -50.8 260 52 313.9 313.9 286.8 314.2 0.07 14 265 9824 -56.8 -61.5 56 4.6 -56.9 260 58 316.3 316.3 287.6 316.4 0.04 15 253 10115 -59.1 -63.8 54 4.7 -59.2 260 58 317.1 317.1 287.8 317.2 0.03 16 250 10190 -58.9 -63.6 54 4.7 -59.0 260 58 318.5 318.5 288.3 318.6 0.03 17 244 10342 -59.5 -64.1 55 4.6 -59.6 260 56 319.8 319.8 288.7 319.9 0.03 18 200 11600 -55.5 -60.1 56 4.6 -55.6 260 48 344.9 344.9 295.6 345.1 0.06 19 155 13239 -52.9 -57.9 55 5.0 -53.1 269 41 375.4 375.4 301.6 375.8 0.10 20 150 13450 -54.1 -59.0 55 4.9 -54.3 270 40 376.9 376.9 301.8 377.3 0.09 21 126 14554 -58.3 -63.3 53 5.0 -58.5 266 34 388.5 388.5 303.6 388.8 0.06 22 100 16010 -56.3 -61.3 53 5.0 -56.5 260 27 418.9 419.0 307.6 419.5 0.10 23 70 18270 -59.1 -64.1 52 5.0 -59.3 265 13 457.9 458.0 311.7 458.5 0.10 24 67 18545 -59.9 -64.8 53 4.9 -60.1 267 14 462.0 462.0 312.0 462.5 0.09 25 50 20380 -59.7 -64.7 52 5.0 -60.0 280 17 502.8 502.8 315.2 503.6 0.13 26 41 21621 -57.9 -63.9 46 6.0 -58.4 274 16 536.6 536.7 317.4 537.8 0.17 27 30 23570 -60.9 -65.9 52 5.0 -61.3 265 15 578.6 578.7 319.6 579.9 0.18 28 27 24226 -61.3 -66.3 51 5.0 -61.7 266 17 595.2 595.3 320.5 596.6 0.19 29 20 26110 -57.3 -63.3 46 6.0 -58.2 270 23 660.8 660.9 323.2 663.9 0.38 30 18 26778 -55.9 -61.9 47 6.0 -57.1 685.4 685.6 324.1 689.8 0.51 31 15 27928 -59.7 -64.7 52 5.0 -60.5 709.5 709.7 324.8 713.2 0.43 32 13 28836 -53.5 -59.5 48 6.0 -55.2 760.6 761.0 326.5 769.7 0.97 33 12 29350 -54.5 -60.5 47 6.0 -56.2 774.6 775.1 326.8 783.5 0.92 TRP 244 10342 -59.5 -64.1 55 4.6 -59.6 260 56 319.8 319.8 288.7 319.9 0.03 WND 265 9824 -56.8 -61.5 56 4.6 -56.9 260 58 316.3 316.3 287.6 316.4 0.04 Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: 847.03 mb = 1491.85 m = 4894.45 ft Wetbulb zero: 866.10 mb = 1311.40 m = 4302.43 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 81.20 % Est. max temperature: 12.56 C = 54.61 F Sfc-Lift cond lev (LCL): 962.54 mb = 455.21 m = 1493.46 ft T: 5.21 C 700-500 lapse rate: 5.94 C/km ThetaE index: 1.69 C Layer 700.0- 590.0 mb Conv cond level (CCL): 852.05 mb = 1443.53 m = 4735.95 ft Mean mixing ratio: 4.59 g/kg Conv temperature: 12.12 C = 53.82 F Cap Strength: 6.09 C Lifted Index: 8.48 C Risk: None Lifted Index @300 mb: 13.29 C Lifted Index @700 mb: 3.38 C Showalter Index: 6.61 C Risk: None Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.30 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 109.71 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.49 J/kg Max Up Vert Vel: 5.38 m/s Conv Inhibition (B-): 61690.85 J/kg Cap Strength: 8.41 C Lift Cond Lev (LCL): 902.33 mb = 980.43 m = 3216.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 16 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 ---------------------------------------------------------- 0 988 242 110 3 -2.8 1.0 | 105 19 -18.1 5.0 1 925 780 175 3 -0.3 3.0 | 114 17 -15.6 7.0 2 850 1463 250 15 14.1 5.1 | 173 9 -1.2 9.1 3 700 2994 250 19 17.9 6.5 | 194 11 2.6 10.5 4 500 5520 260 33 32.5 5.7 | 241 20 17.2 9.7 5 400 7100 260 42 41.4 7.3 | 247 28 26.1 11.3 6 300 9030 260 52 51.2 9.0 | 250 38 35.9 13.0 7 265 9824 260 58 57.1 10.1 | 251 44 41.8 14.0 8 250 10190 260 58 57.1 10.1 | 251 44 41.8 14.0 9 244 10342 260 56 55.1 9.7 | 251 42 39.9 13.7 10 200 11600 260 48 47.3 8.3 | 249 34 32.0 12.3 11 150 13450 270 40 40.0 -0.0 | 261 25 24.7 4.0 12 100 16010 260 27 26.6 4.7 | 233 14 11.3 8.7 13 70 18270 265 13 13.0 1.1 | 155 6 -2.3 5.1 14 50 20380 280 17 16.7 -3.0 | 235 2 1.4 1.0 15 30 23570 265 15 14.9 1.3 | 176 5 -0.4 5.3 16 20 26110 270 23 23.0 -0.0 | 243 9 7.7 4.0 Wind Parameters Mean winds (0-6000m): 254.6 at 21.1 knts Storm direction: 284.6 at 15.8 knts Shear (0-3000m) pos: 3.5 neg: 0.4 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 95.1 deg Storm rel helicity (0-3000m) pos: 82.2 neg: 0.0 tot: 82.2 m^2/s^2 ave: 27.4 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 66.91 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 ------------------------------------------------------------------------------- 500 140 3 110 18| 3.1 0.0 3.1| 12.7 0.0 12.7 25.5 0.83| 3.2 2.7 1000 195 5 122 17| 6.5 0.0 6.5| 54.0 0.0 54.0 54.0 0.90| 7.0 6.3 1500 236 8 134 12| 6.2 0.0 6.2| 70.6 0.0 70.6 47.1 0.85| 7.2 6.1 2000 242 10 144 11| 4.7 0.3 5.0| 73.7 0.0 73.7 36.8 0.86| 5.8 4.9 2500 245 12 152 10| 3.7 0.5 4.3| 76.8 0.0 76.8 30.7 0.86| 4.9 4.2 3000 246 13 159 10| 3.5 0.4 3.9| 82.2 0.0 82.2 27.4 0.86| 4.4 3.8 4000 249 15 175 10| 3.3 0.3 3.7| 98.4 0.0 98.4 24.6 0.86| 4.1 3.5 5000 252 18 192 10| 3.2 0.3 3.5|116.9 0.0 116.9 23.4 0.84| 3.8 3.2 6000 255 21 208 11| 2.9 0.5 3.4|129.8 0.0 129.8 21.6 0.78| 3.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251018.00.gif