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 U6629... Searching the city database file for: U6629 ... Date:0000Z 18 OCT 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 1004 75 6.2 5.2 93 1.0 5.7 75 5 279.0 280.0 278.7 294.1 5.52 1 1000 108 6.0 5.4 96 0.6 5.7 70 5 279.1 280.1 278.9 294.5 5.62 2 925 745 3.8 3.2 96 0.6 3.5 120 11 283.2 284.1 280.3 297.7 5.21 3 893 1031 2.6 0.2 84 2.4 1.5 105 9 284.8 285.6 280.0 297.1 4.34 4 850 1428 0.0 -1.6 89 1.6 -0.7 85 5 286.1 286.8 280.3 297.5 4.00 5 794 1971 -2.9 -2.9 100 0.0 -2.9 139 8 288.7 289.4 281.3 299.9 3.89 6 700 2958 -9.3 -10.4 92 1.1 -9.6 240 13 292.2 292.6 281.1 299.6 2.47 7 625 3827 -14.1 -15.4 90 1.3 -14.5 235 18 296.3 296.7 282.2 302.0 1.84 8 570 4519 -19.5 -19.8 97 0.3 -19.6 231 22 297.9 298.1 282.3 302.3 1.39 9 500 5480 -26.3 -27.7 88 1.4 -26.5 225 27 301.0 301.1 282.8 303.5 0.78 10 400 7050 -38.3 -41.9 69 3.6 -38.5 235 42 305.2 305.3 283.8 306.1 0.24 11 390 7224 -39.9 -43.4 69 3.5 -40.1 235 42 305.3 305.4 283.8 306.1 0.21 12 374 7509 -41.7 -43.2 85 1.5 -41.8 235 43 306.6 306.7 284.4 307.4 0.22 13 368 7619 -42.3 -48.3 52 6.0 -42.6 235 43 307.3 307.3 284.5 307.7 0.13 14 352 7918 -45.1 -48.8 66 3.7 -45.3 235 44 307.4 307.4 284.5 307.9 0.13 15 348 7994 -45.5 -53.5 40 8.0 -45.8 235 44 307.9 307.9 284.6 308.2 0.08 16 337 8208 -47.1 -52.1 56 5.0 -47.3 235 44 308.5 308.6 284.9 308.9 0.09 17 300 8970 -52.1 -58.1 48 6.0 -52.2 235 46 311.9 311.9 286.1 312.1 0.05 18 292 9144 -53.1 -60.1 42 7.0 -53.2 236 46 312.9 312.9 286.4 313.1 0.04 19 267 9717 -54.1 -66.1 22 12.0 -54.3 240 48 319.6 319.6 288.6 319.6 0.02 20 250 10140 -52.1 -71.1 8 19.0 -52.4 245 38 328.6 328.6 291.3 328.7 0.01 21 219 10999 -50.1 -77.1 3 27.0 -50.5 257 33 344.4 344.4 295.4 344.4 0.00 22 200 11590 -50.7 -78.7 2 28.0 -51.1 265 29 352.5 352.5 297.2 352.5 0.00 23 159 13077 -53.1 -80.1 2 27.0 -53.5 372.3 372.3 300.9 372.3 0.00 TRP 267 9717 -54.1 -66.1 22 12.0 -54.3 240 48 319.6 319.6 288.6 319.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5372.00 m Freezing level: 850.00 mb = 1428.00 m = 4684.98 ft Wetbulb zero: 863.37 mb = 1302.27 m = 4272.50 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 93.05 % Est. max temperature: 13.20 C = 55.76 F Sfc-Lift cond lev (LCL): 988.79 mb = 200.13 m = 656.59 ft T: 5.68 C 700-500 lapse rate: 6.74 C/km ThetaE index: 0.61 C Layer 893.0- 850.0 mb Conv cond level (CCL): 910.00 mb = 877.60 m = 2879.22 ft Mean mixing ratio: 5.31 g/kg Conv temperature: 11.12 C = 52.02 F Cap Strength: 4.01 C Lifted Index: 5.26 C Risk: None Lifted Index @300 mb: 11.10 C Lifted Index @700 mb: 2.28 C Showalter Index: 4.38 C Risk: None Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 24.70 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 77.00 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.41 J/kg Max Up Vert Vel: 6.23 m/s Conv Inhibition (B-): 6738.05 J/kg Cap Strength: 5.23 C Lift Cond Lev (LCL): 941.96 mb = 596.52 m = 1957.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 12 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 1004 75 75 5 -4.8 -1.3 | 73 17 -16.0 -4.9 1 1000 108 70 5 -4.7 -1.7 | 72 17 -15.9 -5.3 2 925 745 120 11 -9.5 5.5 | 95 21 -20.7 1.9 3 850 1428 85 5 -5.0 -0.4 | 76 17 -16.2 -4.0 4 700 2958 240 13 11.3 6.5 | 181 3 0.1 2.9 5 500 5480 225 27 19.1 19.1 | 207 17 7.9 15.5 6 400 7050 235 42 34.4 24.1 | 229 31 23.2 20.5 7 300 8970 235 46 37.7 26.4 | 229 35 26.5 22.8 8 267 9717 240 48 41.6 24.0 | 236 37 30.4 20.4 9 250 10140 245 38 34.4 16.1 | 242 26 23.2 12.5 10 200 11590 265 29 28.9 2.5 | 273 18 17.7 -1.0 Wind Parameters Mean winds (0-6000m): 222.4 at 15.7 knts Storm direction: 252.4 at 11.7 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 115.9 deg Storm rel helicity (0-3000m) pos: 102.9 neg: -29.1 tot: 73.8 m^2/s^2 ave: 24.6 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 57.53 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 93 7 80 19| 5.9 0.0 5.9| 24.1 0.0 24.1 48.2 0.77| 6.4 4.9 1000 107 8 87 19| 3.0 0.7 3.7| 37.2 -17.5 19.7 19.7 0.32| 6.3 2.0 1500 106 8 85 19| 2.0 1.3 3.3| 42.7 -29.1 13.5 9.0 0.16| 5.8 0.9 2000 112 8 88 18| 2.7 1.0 3.7| 71.6 -29.1 42.5 21.3 0.39| 6.1 2.4 2500 130 8 95 17| 3.0 0.8 3.7| 94.7 -29.1 65.6 26.2 0.49| 6.7 3.3 3000 158 9 107 15| 2.8 0.6 3.5|102.9 -29.1 73.8 24.6 0.51| 7.1 3.6 4000 210 11 133 8| 2.1 1.0 3.1|105.2 -29.1 76.1 19.0 0.48| 6.1 2.9 5000 220 13 156 7| 1.7 1.3 3.0|105.6 -29.7 75.8 15.2 0.42| 5.5 2.3 6000 222 16 175 8| 1.8 1.4 3.2|123.2 -31.1 92.2 15.4 0.42| 5.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//U6629/skewt/U6629.skewt.20251018.00.gif