UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 31 OCT 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 54 SFC 986 171 8.0 7.2 95 0.8 7.6 210 1 282.3 283.4 281.4 300.1 6.47 2 947 505 6.6 2.6 76 4.0 4.6 210 7 284.1 285.0 280.4 297.8 4.87 3 925 698 5.4 1.8 78 3.6 3.7 210 11 284.8 285.6 280.5 298.1 4.71 4 850 1388 4.4 1.0 79 3.4 2.8 215 33 290.8 291.6 283.3 304.7 4.84 5 807 1810 3.2 -0.7 76 3.9 1.4 212 36 293.8 294.6 284.2 307.0 4.50 6 700 2953 -2.7 205 46 299.5 7 688 3090 -3.3 205 46 300.3 8 500 5540 -19.3 -19.3 100 0.0 -19.3 205 52 309.5 309.8 287.1 314.9 1.66 9 444 6413 -26.1 -26.1 100 0.0 -26.1 205 54 311.6 311.8 287.1 315.1 1.02 10 400 7160 -32.7 -33.7 91 1.0 -32.8 205 56 312.5 312.6 286.9 314.4 0.55 11 300 9120 -47.5 -50.4 72 2.9 -47.6 210 85 318.4 318.4 288.3 318.9 0.13 12 291 9321 -49.0 -52.2 70 3.1 -49.1 210 87 319.0 319.0 288.5 319.4 0.11 13 274 9713 -52.1 -55.7 65 3.6 -52.2 320.1 320.1 288.9 320.4 0.07 TRP WND 291 9321 -49.0 -52.2 70 3.1 -49.1 210 87 319.0 319.0 288.5 319.4 0.11 Sounding variables and indices 1000-500 mb thick: 5486.00 m Freezing level: 748.97 mb = 2430.16 m = 7972.86 ft Wetbulb zero: 786.70 mb = 2015.08 m = 6611.08 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 79.04 % Est. max temperature: 17.41 C = 63.34 F Sfc-Lift cond lev (LCL): 974.10 mb = 271.25 m = 889.90 ft T: 7.58 C 700-500 lapse rate: 6.42 C/km ThetaE index: 2.30 C Layer 947.0- 925.0 mb Conv cond level (CCL): 745.14 mb = 2451.05 m = 8041.41 ft Mean mixing ratio: 5.10 g/kg Conv temperature: 22.67 C = 72.80 F Cap Strength: 7.61 C Lifted Index: 10.33 C Risk: None Lifted Index @300 mb: 13.77 C Lifted Index @700 mb: 7.24 C Showalter Index: 6.43 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.30 C K Index: 21.17 Risk: 20-40 % chance of thunderstorms Sweat Index: 130.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.56 J/kg Max Up Vert Vel: 6.25 m/s Conv Inhibition (B-): 3213.97 J/kg Cap Strength: 10.28 C Lift Cond Lev (LCL): 891.31 mb = 1000.74 m = 3283.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 30 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 ---------------------------------------------------------- 0 986 171 210 1 0.5 0.9 | 58 29 -24.8 -15.8 1 925 698 210 11 5.5 9.5 | 70 21 -19.8 -7.1 2 850 1388 215 33 18.9 27.0 | 149 12 -6.4 10.4 3 700 2953 205 46 19.4 41.7 | 167 26 -5.8 25.0 4 500 5540 205 52 22.0 47.1 | 174 31 -3.3 30.5 5 400 7160 205 56 23.7 50.8 | 177 34 -1.6 34.1 6 300 9120 210 85 42.5 73.6 | 197 60 17.2 57.0 Wind Parameters Mean winds (0-6000m): 206.6 at 40.4 knts Storm direction: 236.6 at 30.3 knts Shear (0-3000m) pos: 2.7 neg: 5.2 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 110.0 deg Storm rel helicity (0-3000m) pos: 131.2 neg: 0.0 tot: 131.2 m^2/s^2 ave: 43.7 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 158.73 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 ------------------------------------------------------------------------------- 500 210 6 62 25| 0.0 9.8 9.8| 34.1 0.0 34.1 68.1 0.54| 9.8 5.3 1000 212 12 71 20| 8.0 4.9 12.9| 84.4 0.0 84.4 84.4 0.69| 12.9 8.9 1500 213 19 86 15| 5.4 6.4 11.8|111.4 0.0 111.4 74.2 0.75| 11.9 8.9 2000 213 23 103 13| 4.0 5.9 9.9|119.9 0.0 119.9 59.9 0.71| 10.1 7.2 2500 211 27 120 13| 3.2 5.6 8.8|126.5 0.0 126.5 50.6 0.66| 9.1 6.0 3000 210 30 132 14| 2.7 5.2 7.9|131.2 0.0 131.2 43.7 0.63| 8.1 5.1 4000 208 34 146 16| 2.0 4.2 6.2|140.9 0.0 140.9 35.2 0.63| 6.4 4.0 5000 207 38 155 19| 1.6 3.6 5.2|150.6 0.0 150.6 30.1 0.62| 5.3 3.3 6000 207 40 160 21| 1.3 3.2 4.5|160.8 0.0 160.8 26.8 0.62| 4.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251031.00.gif