UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 26 NOV 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 138 280 1 SFC 996 171 5.0 4.3 95 0.7 4.6 280 1 278.5 279.4 278.0 292.7 5.22 2 940 643 2.2 -2.4 72 4.6 0.3 284 7 280.3 280.8 276.6 289.8 3.40 3 925 773 1.2 -2.7 75 3.9 -0.4 285 9 280.5 281.1 276.7 290.0 3.38 4 858 1372 -4.3 289 20 280.9 5 851 1438 0.0 -1.4 90 1.4 -0.6 290 21 286.0 286.8 280.3 297.6 4.05 6 850 1447 0.2 -1.6 88 1.8 -0.6 290 21 286.4 287.1 280.3 297.8 4.00 7 838 1561 1.2 -3.5 71 4.7 -0.8 290 22 288.6 289.2 280.8 298.8 3.52 8 700 2992 -6.3 -9.6 77 3.3 -7.5 285 36 295.5 296.0 282.8 303.5 2.63 9 646 3617 -8.9 -12.5 75 3.6 -10.1 283 39 299.4 299.8 284.0 306.4 2.26 10 500 5550 -23.1 -27.0 70 3.9 -23.8 275 48 304.9 305.0 284.4 307.6 0.84 11 400 7150 -34.9 -39.9 60 5.0 -35.3 280 60 309.6 309.7 285.5 310.7 0.30 12 363 7820 -40.3 -46.3 53 6.0 -40.6 311.1 311.2 285.9 311.7 0.16 TRP WND Sounding variables and indices 1000-500 mb thick: 5412.00 m Freezing level: 910.38 mb = 903.78 m = 2965.12 ft Freezing level: 851.00 mb = 1437.57 m = 4716.38 ft Freezing level: 815.92 mb = 1790.32 m = 5873.68 ft Wetbulb zero: 933.33 mb = 700.42 m = 2297.95 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 74.82 % Est. max temperature: 13.61 C = 56.50 F Sfc-Lift cond lev (LCL): 985.34 mb = 258.64 m = 848.54 ft T: 4.48 C 700-500 lapse rate: 6.57 C/km ThetaE index: 2.94 C Layer 940.0- 925.0 mb Conv cond level (CCL): 896.08 mb = 1026.22 m = 3366.83 ft Mean mixing ratio: 3.93 g/kg Conv temperature: 7.22 C = 45.00 F Cap Strength: 10.88 C Lifted Index: 12.51 C Risk: None Lifted Index @700 mb: 8.77 C Showalter Index: 7.41 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.50 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 90.00 Risk: None Energy Index: 2.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.39 J/kg Max Up Vert Vel: 4.33 m/s Conv Inhibition (B-): 9.43 J/kg Cap Strength: 12.41 C Lift Cond Lev (LCL): 906.84 mb = 931.04 m = 3054.57 ft Lev Free Conv (LFC): 871.84 mb = 1244.82 m = 4084.01 ft Equ Level (EL): 861.84 mb = 1336.79 m = 4385.73 ft B at Equ Level: 9.25 J/kg Max Parcel Lev (MPL): 841.84 mb = 1524.61 m = 5001.93 ft Wind level data Storm motion: 311 at 25 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 ---------------------------------------------------------- 0 996 171 280 1 1.0 -0.2 | 132 24 -17.7 16.0 1 925 773 285 9 8.7 -2.3 | 144 17 -10.0 13.9 2 850 1447 290 21 19.7 -7.2 | 187 9 1.1 9.0 3 700 2992 285 36 34.8 -9.3 | 247 18 16.1 6.9 4 500 5550 275 48 47.8 -4.2 | 248 32 29.2 12.0 5 400 7150 280 60 59.1 -10.4 | 262 41 40.4 5.8 Wind Parameters Mean winds (0-6000m): 280.9 at 33.0 knts Storm direction: 310.9 at 24.7 knts Shear (0-3000m) pos: 3.8 neg: 2.4 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 115.2 deg Storm rel helicity (0-3000m) pos: 87.4 neg: 0.0 tot: 87.4 m^2/s^2 ave: 29.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 108.70 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 ------------------------------------------------------------------------------- 500 284 4 136 21| 6.8 0.0 6.8| 19.6 0.0 19.6 39.2 0.53| 6.8 3.6 1000 286 8 142 18| 7.8 0.0 7.8| 40.6 0.0 40.6 40.6 0.59| 7.8 4.6 1500 288 12 150 14| 7.6 0.0 7.6| 57.1 0.0 57.1 38.1 0.69| 7.6 5.3 2000 288 15 160 12| 5.7 1.3 7.0| 68.7 0.0 68.7 34.4 0.73| 7.0 5.1 2500 288 18 174 11| 4.6 2.0 6.6| 79.9 0.0 79.9 31.9 0.72| 6.6 4.7 3000 287 21 189 10| 3.8 2.4 6.2| 87.4 0.0 87.4 29.1 0.68| 6.2 4.3 4000 285 26 212 11| 2.9 2.4 5.3| 89.6 0.0 89.6 22.4 0.61| 5.4 3.2 5000 283 30 226 14| 2.3 2.5 4.8| 89.7 -1.8 87.8 17.6 0.53| 4.9 2.6 6000 281 33 234 17| 2.2 2.3 4.6|120.2 -3.3 116.9 19.5 0.52| 4.7 2.4 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251126.12.gif