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 U9231... Searching the city database file for: U9231 ... Date:0000Z 31 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1009 75 4.0 2.3 89 1.7 3.2 200 1 276.4 277.2 275.9 288.6 4.47 1 1000 148 4.2 2.6 89 1.6 3.5 205 3 277.4 278.1 276.6 289.9 4.61 2 925 787 5.0 4.0 93 1.0 4.5 215 11 284.4 285.4 281.3 299.8 5.51 3 850 1469 1.4 -2.0 78 3.4 -0.1 240 21 287.6 288.3 280.8 298.8 3.88 4 796 1995 -2.1 -8.1 63 6.0 -4.3 247 27 289.3 289.8 280.0 297.0 2.60 5 762 2344 -0.9 -6.9 64 6.0 -3.3 251 32 294.3 294.8 282.7 303.2 2.99 6 722 2773 -3.5 -5.0 89 1.5 -4.1 257 37 296.0 296.6 284.1 306.9 3.65 7 700 3018 -4.9 -7.3 83 2.4 -5.8 260 40 297.1 297.6 284.0 306.6 3.15 8 676 3291 -6.3 -9.0 81 2.7 -7.3 262 41 298.5 299.0 284.2 307.2 2.86 9 575 4539 -13.1 -15.5 82 2.4 -13.8 272 48 304.6 305.0 285.7 311.0 1.99 10 534 5099 -15.9 -18.1 83 2.2 -16.5 276 51 307.8 308.1 286.5 313.4 1.72 11 500 5590 -20.1 -22.3 83 2.2 -20.6 280 54 308.5 308.8 286.3 312.7 1.28 12 400 7200 -31.1 -33.7 78 2.6 -31.4 280 60 314.6 314.7 287.6 316.5 0.55 13 394 7307 -31.5 -34.1 78 2.6 -31.9 280 60 315.4 315.5 287.9 317.3 0.54 14 367 7803 -36.7 -39.5 75 2.8 -37.0 280 62 315.0 315.0 287.5 316.2 0.34 15 300 9170 -46.1 -49.4 69 3.3 -46.3 280 66 320.4 320.4 289.0 320.9 0.14 16 250 10360 -55.3 -59.2 62 3.9 -55.4 285 69 323.9 323.9 290.0 324.1 0.05 17 231 10858 -57.7 -61.8 59 4.1 -57.8 285 71 327.6 327.6 291.1 327.8 0.04 18 226 10995 -58.6 -62.7 59 4.1 -58.6 285 71 328.4 328.4 291.3 328.5 0.04 19 200 11750 -63.3 -67.4 57 4.1 -63.3 290 64 332.5 332.5 292.4 332.6 0.02 20 192 12001 -64.7 -68.8 57 4.1 -64.7 290 62 334.2 334.2 292.9 334.3 0.02 21 180 12395 -65.9 -70.3 54 4.4 -66.0 290 58 338.4 338.4 294.0 338.5 0.02 22 150 13510 -63.7 -68.5 52 4.8 -63.8 285 48 360.3 360.4 298.8 360.5 0.03 23 135 14156 -61.9 -66.9 51 5.0 -62.0 285 45 374.6 374.6 301.4 374.7 0.03 24 100 16000 -63.1 -69.1 44 6.0 -63.2 285 38 405.8 405.8 306.0 406.0 0.03 25 90 16649 -63.3 285 39 417.8 26 70 18190 -64.9 285 42 445.5 27 50 20240 -66.1 290 44 487.7 28 31 23113 -68.3 285 48 553.2 29 30 23310 -67.3 285 48 561.2 30 22 25181 -67.1 613.8 TRP 180 12395 -65.9 -70.3 54 4.4 -66.0 290 58 338.4 338.4 294.0 338.5 0.02 WND 226 10995 -58.6 -62.7 59 4.1 -58.6 285 71 328.4 328.4 291.3 328.5 0.04 Sounding variables and indices 1000-500 mb thick: 5442.00 m Freezing level: 828.40 mb = 1679.58 m = 5510.36 ft Wetbulb zero: 851.58 mb = 1454.04 m = 4770.40 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 81.20 % Est. max temperature: 14.80 C = 58.64 F Sfc-Lift cond lev (LCL): 982.80 mb = 290.24 m = 952.23 ft T: 4.38 C 700-500 lapse rate: 5.91 C/km ThetaE index: 2.84 C Layer 850.0- 762.0 mb Conv cond level (CCL): 856.15 mb = 1410.83 m = 4628.65 ft Mean mixing ratio: 5.06 g/kg Conv temperature: 14.93 C = 58.87 F Cap Strength: 12.38 C Lifted Index: 12.28 C Risk: None Lifted Index @300 mb: 17.92 C Lifted Index @700 mb: 7.38 C Showalter Index: 9.70 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 18.10 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 201.35 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.22 J/kg Max Up Vert Vel: 7.65 m/s Conv Inhibition (B-): 39275.56 J/kg Cap Strength: 12.38 C Lift Cond Lev (LCL): 938.66 mb = 666.83 m = 2187.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 27 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 1009 75 200 1 0.3 0.9 | 118 27 -23.6 12.4 1 1000 148 205 3 1.3 2.7 | 122 27 -22.7 14.2 2 925 787 215 11 6.3 9.0 | 139 27 -17.6 20.5 3 850 1469 240 21 18.2 10.5 | 165 23 -5.8 22.0 4 700 3018 260 40 39.4 6.9 | 220 24 15.4 18.4 5 500 5590 280 54 53.2 -9.4 | 266 29 29.2 2.1 6 400 7200 280 60 59.1 -10.4 | 268 35 35.1 1.1 7 300 9170 280 66 65.0 -11.5 | 270 41 41.0 0.0 8 250 10360 285 69 66.6 -17.9 | 279 43 42.7 -6.4 9 226 10995 285 71 68.6 -18.4 | 279 45 44.6 -6.9 10 200 11750 290 64 60.1 -21.9 | 286 38 36.2 -10.4 11 180 12395 290 58 54.5 -19.8 | 285 32 30.5 -8.4 12 150 13510 285 48 46.4 -12.4 | 272 22 22.4 -0.9 13 100 16000 285 38 36.7 -9.8 | 263 13 12.8 1.6 14 70 18190 285 42 40.6 -10.9 | 268 17 16.6 0.6 15 50 20240 290 44 41.3 -15.0 | 282 18 17.4 -3.6 16 30 23310 285 48 46.4 -12.4 | 272 22 22.4 -0.9 Wind Parameters Mean winds (0-6000m): 265.6 at 35.4 knts Storm direction: 295.6 at 26.6 knts Shear (0-3000m) pos: 6.8 neg: 0.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 281.0 neg: 0.0 tot: 281.0 m^2/s^2 ave: 93.7 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 7.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.20 Bulk Shear: 142.55 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 5 127 27| 7.6 0.0 7.6| 52.5 0.0 52.5 104.9 1.00| 7.6 7.6 1000 216 8 134 26| 7.4 0.0 7.4|104.5 0.0 104.5 104.5 0.99| 7.7 7.6 1500 228 12 142 25| 7.4 0.0 7.4|156.1 0.0 156.1 104.1 0.96| 8.1 7.9 2000 235 15 150 23| 7.1 0.0 7.1|196.2 0.0 196.2 98.1 0.97| 7.8 7.6 2500 241 18 159 22| 7.0 0.0 7.0|238.3 0.0 238.3 95.3 0.98| 7.7 7.6 3000 247 22 169 20| 6.8 0.0 6.8|281.0 0.0 281.0 93.7 0.98| 7.7 7.5 4000 254 27 186 19| 5.8 0.0 5.8|332.4 0.0 332.4 83.1 0.98| 6.8 6.6 5000 260 31 203 18| 5.2 0.0 5.2|389.7 0.0 389.7 77.9 0.98| 6.3 6.1 6000 266 35 219 18| 4.8 0.0 4.8|425.6 0.0 425.6 70.9 0.95| 5.8 5.5 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251031.00.gif