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 U8661... Searching the city database file for: U8661 ... Date:0000Z 31 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 ------------------------------------------------------------------------------- 0 1000 51 180 1 SFC 997 76 8.0 7.1 94 0.9 7.5 180 1 281.4 282.5 280.8 298.8 6.35 2 925 692 4.8 2.9 87 1.9 3.9 230 11 284.2 285.1 280.7 298.5 5.10 3 881 1088 3.2 2.0 92 1.2 2.6 221 19 286.5 287.4 281.7 300.7 5.02 4 850 1379 3.4 2.5 94 0.9 2.9 215 25 289.7 290.7 283.4 305.1 5.39 5 804 1830 2.8 1.5 91 1.3 2.1 215 32 293.7 294.7 285.0 309.2 5.31 6 700 2942 -2.3 -3.6 91 1.3 -2.9 215 50 299.9 300.7 286.2 312.5 4.19 7 654 3479 -5.1 -6.9 87 1.8 -5.8 215 51 302.7 303.3 286.5 313.4 3.48 8 500 5530 -20.5 -24.8 68 4.3 -21.4 215 56 308.0 308.2 285.8 311.4 1.02 9 440 6462 -27.1 -32.0 63 4.9 -27.8 215 53 311.2 311.3 286.5 313.2 0.59 10 400 7140 -32.5 -36.6 67 4.1 -33.0 215 50 312.7 312.8 286.8 314.2 0.42 11 308 8918 -48.5 -53.3 57 4.8 -48.7 224 61 314.6 314.6 287.1 314.9 0.09 12 300 9090 -49.9 -54.7 57 4.8 -50.0 225 62 315.0 315.0 287.2 315.3 0.08 13 287 9379 -51.5 -56.3 56 4.8 -51.6 223 71 316.7 316.8 287.8 317.0 0.07 14 278 9586 -51.5 -56.3 56 4.8 -51.6 222 77 319.6 319.7 288.7 319.9 0.07 15 269 9799 -52.6 -57.4 56 4.7 -52.7 220 83 321.0 321.1 289.1 321.3 0.06 16 250 10270 -55.1 -59.7 57 4.6 -55.2 215 77 324.1 324.2 290.1 324.3 0.05 17 229 10828 -58.3 -62.9 55 4.6 -58.4 215 81 327.5 327.5 291.0 327.7 0.04 18 201 11649 -59.7 -64.4 54 4.7 -59.8 215 68 337.7 337.7 293.8 337.9 0.03 19 200 11680 -59.7 -64.4 54 4.7 -59.8 215 68 338.2 338.2 293.9 338.4 0.03 20 150 13480 -58.3 -63.3 53 5.0 -58.4 225 46 369.6 369.6 300.5 369.9 0.05 21 112 15313 -59.5 -64.5 52 5.0 -59.6 399.6 399.6 305.2 399.9 0.06 TRP 229 10828 -58.3 -62.9 55 4.6 -58.4 215 81 327.5 327.5 291.0 327.7 0.04 WND 269 9799 -52.6 -57.4 56 4.7 -52.7 220 83 321.0 321.1 289.1 321.3 0.06 Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 746.90 mb = 2440.63 m = 8007.23 ft Wetbulb zero: 760.06 mb = 2281.37 m = 7484.71 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 85.74 % Est. max temperature: 16.56 C = 61.81 F Sfc-Lift cond lev (LCL): 983.48 mb = 188.06 m = 616.98 ft T: 7.42 C 700-500 lapse rate: 7.03 C/km ThetaE index: 0.34 C Layer 925.0- 881.0 mb Conv cond level (CCL): 888.56 mb = 1018.88 m = 3342.74 ft Mean mixing ratio: 5.53 g/kg Conv temperature: 12.74 C = 54.93 F Cap Strength: 8.77 C Lifted Index: 9.30 C Risk: None Lifted Index @300 mb: 11.55 C Lifted Index @700 mb: 7.82 C Showalter Index: 4.97 C Risk: None Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.00 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 136.00 Risk: None Energy Index: 1.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.71 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 11182.08 J/kg Cap Strength: 9.26 C Lift Cond Lev (LCL): 925.23 mb = 689.97 m = 2263.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 31 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 ---------------------------------------------------------- 0 997 76 180 1 0.0 1.0 | 67 30 -27.7 -11.7 1 925 692 230 11 8.4 7.1 | 74 20 -19.3 -5.6 2 850 1379 215 25 14.3 20.5 | 120 15 -13.4 7.8 3 700 2942 215 50 28.7 41.0 | 182 28 0.9 28.2 4 500 5530 215 56 32.1 45.9 | 188 33 4.4 33.2 5 400 7140 215 50 28.7 41.0 | 182 28 0.9 28.2 6 300 9090 225 62 43.8 43.8 | 207 35 16.1 31.1 7 269 9799 220 83 53.4 63.6 | 207 57 25.6 50.9 8 250 10270 215 77 44.2 63.1 | 198 53 16.4 50.4 9 229 10828 215 81 46.5 66.4 | 199 57 18.7 53.6 10 200 11680 215 68 39.0 55.7 | 195 44 11.3 43.0 11 150 13480 225 46 32.5 32.5 | 194 20 4.8 19.8 Wind Parameters Mean winds (0-6000m): 215.4 at 40.7 knts Storm direction: 245.4 at 30.5 knts Shear (0-3000m) pos: 3.1 neg: 5.4 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 115.1 deg Storm rel helicity (0-3000m) pos: 187.2 neg: -2.3 tot: 184.8 m^2/s^2 ave: 61.6 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 6.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 169.43 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 5 69 26| 8.6 0.0 8.6| 29.2 0.0 29.2 58.4 0.44| 9.2 4.0 1000 225 9 74 22| 9.3 0.0 9.3| 57.6 -2.3 55.3 55.3 0.50| 10.0 5.0 1500 220 14 84 19| 6.2 3.3 9.5| 96.6 -2.3 94.3 62.9 0.67| 10.0 6.7 2000 218 19 97 17| 4.7 4.5 9.2|129.3 -2.3 127.0 63.5 0.72| 9.6 6.9 2500 217 23 112 15| 3.7 5.3 9.0|162.0 -2.3 159.6 63.9 0.73| 9.3 6.8 3000 216 27 128 15| 3.1 5.4 8.5|187.2 -2.3 184.8 61.6 0.71| 8.8 6.3 4000 216 33 149 16| 2.3 4.4 6.7|196.6 -2.3 194.3 48.6 0.70| 6.9 4.9 5000 216 38 162 19| 1.9 3.7 5.6|206.1 -2.3 203.8 40.8 0.69| 5.8 4.0 6000 215 41 168 21| 1.6 3.0 4.6|209.9 -10.1 199.8 33.3 0.65| 5.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251031.00.gif