UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 19 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1012 69 8.6 3.6 71 5.0 6.2 210 5 280.8 281.6 278.7 294.3 4.89 1 1000 167 7.0 2.0 70 5.0 4.7 210 15 280.1 280.9 277.8 292.4 4.42 2 925 803 2.2 -0.9 80 3.1 0.8 260 25 281.6 282.2 277.9 292.4 3.87 3 896 1059 0.0 -2.3 84 2.3 -1.0 264 26 281.9 282.5 277.6 292.0 3.60 4 850 1479 -2.7 -4.6 87 1.9 -3.4 270 27 283.3 283.9 277.9 292.4 3.19 5 786 2095 -7.1 -8.9 87 1.8 -7.7 272 24 285.0 285.4 277.7 292.2 2.48 6 780 2155 -6.5 -9.0 82 2.5 -7.4 272 23 286.3 286.7 278.4 293.5 2.48 7 743 2533 -9.3 -13.9 69 4.6 -10.6 273 21 287.2 287.6 277.9 292.5 1.76 8 700 2991 -13.1 -17.9 67 4.8 -14.3 275 19 288.0 288.2 277.7 292.0 1.33 9 644 3619 -18.3 -20.5 83 2.2 -18.8 277 25 289.0 289.2 277.9 292.6 1.16 10 639 3677 -17.5 -19.5 84 2.0 -18.0 278 25 290.6 290.8 278.9 294.5 1.28 11 632 3759 -17.7 -19.6 85 1.9 -18.1 278 26 291.3 291.5 279.2 295.2 1.28 12 608 4048 -19.7 -23.0 75 3.3 -20.4 279 29 292.2 292.4 279.2 295.3 0.99 13 596 4196 -18.9 -24.9 59 6.0 -20.1 280 30 294.8 295.0 280.3 297.5 0.85 14 557 4695 -22.5 -38.5 22 16.0 -24.4 282 35 296.3 296.4 280.1 297.2 0.25 15 531 5045 -24.5 -38.5 26 14.0 -26.1 283 38 298.0 298.0 280.8 298.9 0.26 16 500 5480 -26.9 -38.9 31 12.0 -28.2 285 42 300.2 300.3 281.8 301.1 0.26 17 400 7050 -38.7 -43.6 60 4.9 -39.0 285 50 304.7 304.7 283.5 305.4 0.20 18 399 7067 -38.9 -43.8 60 4.9 -39.2 285 50 304.7 304.7 283.5 305.3 0.20 19 300 8960 -53.3 -58.1 56 4.8 -53.4 280 54 310.2 310.2 285.5 310.4 0.05 20 277 9470 -56.7 -61.5 55 4.8 -56.8 285 54 312.5 312.5 286.2 312.6 0.04 21 262 9823 -56.9 -61.7 54 4.8 -57.0 282 53 317.2 317.2 287.9 317.3 0.04 22 251 10095 -56.9 -61.7 54 4.8 -57.0 280 52 321.1 321.1 289.1 321.3 0.04 23 250 10120 -56.7 -61.5 55 4.8 -56.8 280 52 321.8 321.8 289.3 321.9 0.04 24 200 11550 -53.7 -59.7 48 6.0 -53.9 275 44 347.7 347.7 296.2 348.0 0.06 25 152 13315 -53.1 -64.1 25 11.0 -53.4 270 34 377.1 377.2 301.8 377.4 0.05 26 150 13400 -53.5 -64.5 25 11.0 -53.8 270 33 377.9 377.9 301.9 378.1 0.04 27 105 15671 -57.7 -71.7 15 14.0 -58.0 270 24 410.5 410.5 306.6 410.6 0.02 28 100 15980 -56.5 -71.5 13 15.0 -56.9 270 23 418.6 418.6 307.6 418.7 0.02 29 70 18280 -58.1 -74.1 11 16.0 -58.6 255 21 460.1 460.1 311.8 460.2 0.02 30 59 19352 -59.9 -76.9 9 17.0 -60.3 479.1 479.1 313.4 479.2 0.02 TRP 277 9470 -56.7 -61.5 55 4.8 -56.8 285 54 312.5 312.5 286.2 312.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5313.00 m Freezing level: 896.00 mb = 1059.08 m = 3474.64 ft Wetbulb zero: 911.59 mb = 920.43 m = 3019.74 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 66.53 % Est. max temperature: 10.75 C = 51.35 F Sfc-Lift cond lev (LCL): 937.64 mb = 692.26 m = 2271.15 ft T: 3.04 C 700-500 lapse rate: 5.54 C/km ThetaE index: 1.94 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 887.02 mb = 1139.38 m = 3738.06 ft Mean mixing ratio: 4.15 g/kg Conv temperature: 9.96 C = 49.93 F Cap Strength: 6.12 C Lifted Index: 7.47 C Risk: None Lifted Index @300 mb: 12.63 C Lifted Index @700 mb: 0.88 C Showalter Index: 7.53 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 22.30 C K Index: 14.80 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 1.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.04 J/kg Max Up Vert Vel: 2.47 m/s Conv Inhibition (B-): 24274.71 J/kg Cap Strength: 7.29 C Lift Cond Lev (LCL): 903.60 mb = 991.14 m = 3251.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 21 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 1012 69 210 5 2.5 4.3 | 139 22 -14.6 16.7 1 1000 167 210 15 7.5 13.0 | 159 27 -9.6 25.3 2 925 803 260 25 24.6 4.3 | 204 18 7.5 16.7 3 850 1479 270 27 27.0 -0.0 | 219 16 9.9 12.3 4 700 2991 275 19 18.9 -1.7 | 190 11 1.9 10.7 5 500 5480 285 42 40.6 -10.9 | 266 24 23.5 1.5 6 400 7050 285 50 48.3 -12.9 | 271 31 31.2 -0.6 7 300 8960 280 54 53.2 -9.4 | 265 36 36.1 3.0 8 277 9470 285 54 52.2 -14.0 | 273 35 35.1 -1.6 9 250 10120 280 52 51.2 -9.0 | 264 34 34.1 3.3 10 200 11550 275 44 43.8 -3.8 | 252 28 26.8 8.5 11 150 13400 270 33 33.0 -0.0 | 232 20 15.9 12.3 12 100 15980 270 23 23.0 -0.0 | 206 14 5.9 12.3 13 70 18280 255 21 20.3 5.4 | 190 18 3.2 17.8 Wind Parameters Mean winds (0-6000m): 275.9 at 28.1 knts Storm direction: 305.9 at 21.1 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 54.8 deg Storm rel helicity (0-3000m) pos: 186.9 neg: -20.9 tot: 166.0 m^2/s^2 ave: 55.3 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 60.78 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 ------------------------------------------------------------------------------- 500 226 17 168 24| 17.8 0.0 17.8|127.6 0.0 127.6 255.1 0.90| 22.5 20.3 1000 247 20 185 20| 11.9 0.0 11.9|173.8 0.0 173.8 173.8 0.89| 16.5 14.6 1500 256 22 195 19| 8.4 0.0 8.4|185.1 -0.9 184.2 122.8 0.87| 12.2 10.6 2000 260 23 199 17| 5.7 0.0 5.7|185.1 -7.8 177.3 88.7 0.76| 9.9 7.5 2500 263 23 201 16| 4.0 0.0 4.0|185.1 -15.0 170.1 68.1 0.65| 8.4 5.5 3000 264 23 200 15| 3.1 0.0 3.1|186.9 -20.9 166.0 55.3 0.58| 7.5 4.4 4000 268 23 204 14| 3.5 0.0 3.5|214.3 -20.9 193.4 48.3 0.64| 6.8 4.4 5000 272 25 215 14| 3.8 0.0 3.8|244.8 -20.9 223.8 44.8 0.65| 6.5 4.2 6000 276 28 229 14| 3.6 0.2 3.8|264.8 -20.9 243.9 40.7 0.64| 6.0 3.8 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251019.12.gif