UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U6629... Searching the city database file for: U6629 ... Date:0000Z 17 APR 25 Station: U6629 WMO ident: 26629 Latitude: 54.88 Longitude: 23.88 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1007 76 9.2 8.6 96 0.6 8.9 145 3 281.8 283.0 281.7 300.9 6.97 1 1004 101 11.0 9.3 89 1.7 10.0 154 6 283.8 285.1 283.0 304.1 7.33 2 1000 134 11.2 9.2 87 2.0 10.1 165 9 284.4 285.6 283.2 304.6 7.31 3 957 505 16.2 11.3 73 4.9 13.2 199 10 293.0 294.6 288.2 318.2 8.82 4 952 550 16.0 11.2 73 4.8 13.1 203 10 293.2 294.8 288.2 318.4 8.80 5 925 794 14.2 10.3 77 3.9 11.9 225 11 293.8 295.4 288.2 318.3 8.53 6 886 1157 12.4 6.4 67 6.0 9.0 228 13 295.6 296.8 287.2 315.4 6.81 7 850 1503 9.6 4.6 71 5.0 6.9 230 15 296.2 297.3 286.9 314.5 6.26 8 750 2527 0.8 -0.3 92 1.1 0.3 246 18 297.4 298.3 286.1 312.2 4.99 9 740 2635 0.4 -2.7 80 3.1 -1.0 248 18 298.2 298.9 285.6 310.8 4.24 10 730 2744 1.2 -5.8 60 7.0 -1.8 250 18 300.2 300.8 285.5 310.5 3.40 11 700 3082 0.8 -10.2 44 11.0 -3.5 255 19 303.4 303.8 285.8 311.2 2.51 12 694 3151 0.6 -9.4 47 10.0 -3.4 256 19 303.9 304.4 286.1 312.3 2.70 13 656 3599 -1.9 -22.9 18 21.0 -7.9 259 20 306.0 306.2 284.9 309.1 0.92 14 591 4417 -7.9 -28.9 17 21.0 -12.7 265 21 308.3 308.4 285.4 310.3 0.59 15 530 5252 -14.1 -37.1 12 23.0 -17.9 272 22 310.6 310.7 285.9 311.7 0.30 16 500 5690 -17.9 -41.9 10 24.0 -21.1 275 23 311.2 311.3 286.0 311.9 0.19 17 400 7320 -31.5 -53.5 10 22.0 -32.9 255 21 314.0 314.1 286.8 314.3 0.07 18 384 7607 -33.9 -54.9 10 21.0 -35.1 258 22 314.6 314.6 287.0 314.8 0.06 19 300 9290 -46.9 -62.9 14 16.0 -47.3 275 29 319.3 319.3 288.5 319.4 0.03 20 290 9514 -48.5 -63.5 16 15.0 -48.8 274 28 320.1 320.1 288.8 320.2 0.03 21 257 10302 -53.1 -66.1 19 13.0 -53.3 271 24 324.5 324.6 290.2 324.6 0.02 22 250 10480 -52.3 -69.3 11 17.0 -52.6 270 23 328.3 328.3 291.2 328.4 0.01 23 219 11325 -56.1 -73.1 10 17.0 -56.3 275 29 335.1 335.1 293.1 335.2 0.01 24 200 11900 -55.9 -76.9 6 21.0 -56.1 265 11 344.2 344.2 295.3 344.3 0.01 25 159 13380 -50.5 -81.5 1 31.0 -51.1 249 25 376.7 376.7 301.7 376.7 0.00 26 150 13760 -51.3 -83.3 1 32.0 -51.8 245 29 381.7 381.7 302.5 381.7 0.00 27 140 14208 -50.7 -82.7 1 32.0 -51.3 249 28 390.3 390.3 303.8 390.4 0.00 28 109 15807 -58.7 -86.7 2 28.0 -59.0 265 26 404.2 404.2 305.7 404.2 0.00 29 100 16350 -56.9 -85.9 1 29.0 -57.3 270 25 417.8 417.8 307.4 417.8 0.00 30 70 18600 -57.9 -85.9 2 28.0 -58.5 225 9 460.5 460.5 311.8 460.5 0.00 31 56 20010 -56.9 -85.9 1 29.0 -57.6 493.1 493.1 314.5 493.2 0.00 TRP 219 11325 -56.1 -73.1 10 17.0 -56.3 275 29 335.1 335.1 293.1 335.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5556.00 m Freezing level: 684.88 mb = 3258.49 m = 10690.44 ft Wetbulb zero: 748.03 mb = 2547.80 m = 8358.83 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 47.77 % Est. max temperature: 23.53 C = 74.35 F Sfc-Lift cond lev (LCL): 997.92 mb = 151.57 m = 497.27 ft T: 11.44 C 700-500 lapse rate: 7.17 C/km ThetaE index: 7.93 C Layer 925.0- 700.0 mb Conv cond level (CCL): 833.40 mb = 1664.31 m = 5460.28 ft Mean mixing ratio: 8.22 g/kg Conv temperature: 23.86 C = 74.95 F Cap Strength: 3.80 C Lifted Index: 1.77 C Risk: Showers probable Lifted Index @300 mb: 3.82 C Lifted Index @700 mb: 2.89 C Showalter Index: 1.65 C Risk: Showers probable Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 22.50 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 241.59 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.13 J/kg Max Up Vert Vel: 9.50 m/s Conv Inhibition (B-): 150.84 J/kg Cap Strength: 3.80 C Lift Cond Lev (LCL): 902.84 mb = 998.12 m = 3274.64 ft Lev Free Conv (LFC): 757.84 mb = 2441.58 m = 8010.33 ft Equ Level (EL): 737.84 mb = 2658.09 m = 8720.68 ft B at Equ Level: 43.79 J/kg Max Parcel Lev (MPL): 687.84 mb = 3221.85 m = 10570.26 ft Wind level data Storm motion: 285 at 13 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 1007 76 145 3 -1.7 2.5 | 112 16 -14.7 5.9 1 1000 134 165 9 -2.3 8.7 | 128 20 -15.3 12.1 2 925 794 225 11 7.8 7.8 | 155 12 -5.2 11.2 3 850 1503 230 15 11.5 9.6 | 174 13 -1.5 13.0 4 700 3082 255 19 18.4 4.9 | 213 10 5.4 8.3 5 500 5690 275 23 22.9 -2.0 | 262 10 9.9 1.4 6 400 7320 255 21 20.3 5.4 | 220 11 7.3 8.8 7 300 9290 275 29 28.9 -2.5 | 267 16 15.9 0.9 8 250 10480 270 23 23.0 -0.0 | 251 11 10.0 3.4 9 219 11325 275 29 28.9 -2.5 | 267 16 15.9 0.9 10 200 11900 265 11 11.0 1.0 | 155 5 -2.0 4.4 11 150 13760 245 29 26.3 12.3 | 220 21 13.3 15.7 12 100 16350 270 25 25.0 -0.0 | 254 12 12.0 3.4 13 70 18600 225 9 6.4 6.4 | 146 12 -6.6 9.8 Wind Parameters Mean winds (0-6000m): 254.7 at 17.9 knts Storm direction: 284.7 at 13.4 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 93.1 neg: 0.0 tot: 93.1 m^2/s^2 ave: 31.0 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.16 Bulk Shear: 38.84 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 ------------------------------------------------------------------------------- 500 184 9 136 18| 9.5 0.0 9.5| 48.0 0.0 48.0 96.0 0.82| 13.2 10.8 1000 207 10 146 15| 6.4 0.0 6.4| 61.4 0.0 61.4 61.4 0.79| 9.3 7.4 1500 217 12 154 14| 5.2 0.0 5.2| 70.8 0.0 70.8 47.2 0.82| 7.2 5.9 2000 223 13 161 13| 4.4 0.0 4.4| 78.3 0.0 78.3 39.2 0.83| 6.0 5.0 2500 228 13 167 13| 3.8 0.0 3.8| 85.8 0.0 85.8 34.3 0.83| 5.4 4.5 3000 234 14 173 12| 3.5 0.0 3.5| 93.1 0.0 93.1 31.0 0.85| 5.0 4.2 4000 242 16 185 11| 2.8 0.0 2.8|100.9 0.0 100.9 25.2 0.86| 4.1 3.5 5000 249 17 196 10| 2.5 0.0 2.5|109.1 0.0 109.1 21.8 0.87| 3.6 3.2 6000 255 18 208 9| 2.1 0.1 2.3|114.2 -5.0 109.2 18.2 0.79| 3.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//U6629/skewt/U6629.skewt.20250417.00.gif