UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 9 DEC 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 1030 80 -38.3 -43.3 59 5.0 -38.4 0 0 232.9 232.9 232.8 233.1 0.08 1 1014 188 -35.1 -40.1 60 5.0 -35.3 3 1 237.1 237.1 237.0 237.4 0.11 2 1000 285 -33.5 -38.5 61 5.0 -33.7 5 1 239.6 239.7 239.4 240.0 0.14 3 925 838 -24.1 -30.1 58 6.0 -24.6 15 5 254.7 254.7 253.5 255.6 0.34 4 850 1470 -16.1 -22.1 60 6.0 -17.1 25 5 269.3 269.4 265.7 271.5 0.76 5 847 1497 -15.9 -21.9 60 6.0 -17.0 25 5 269.8 269.9 266.0 272.0 0.78 6 700 2908 -25.7 -30.7 63 5.0 -26.2 45 9 274.0 274.1 268.2 275.3 0.42 7 500 5280 -39.7 -49.7 34 10.0 -40.1 25 11 284.6 284.6 273.9 284.9 0.08 8 400 6770 -48.9 -58.9 30 10.0 -49.1 15 13 291.4 291.4 277.4 291.6 0.03 9 336 7897 -57.5 -67.5 27 10.0 -57.6 9 15 294.6 294.6 278.9 294.6 0.01 10 300 8610 -60.9 -69.9 30 9.0 -61.0 5 17 299.5 299.5 281.1 299.5 0.01 11 265 9375 -64.7 -73.7 28 9.0 -64.7 355 18 304.8 304.8 283.3 304.8 0.01 12 250 9730 -65.5 -74.5 28 9.0 -65.5 350 19 308.7 308.7 284.8 308.7 0.01 13 237 10056 -66.5 -75.5 27 9.0 -66.5 345 21 311.9 311.9 286.0 312.0 0.01 14 208 10851 -66.1 -75.1 27 9.0 -66.1 337 23 324.4 324.4 290.1 324.4 0.01 15 200 11090 -65.5 -74.5 28 9.0 -65.5 335 23 329.0 329.0 291.5 329.1 0.01 16 150 12850 -63.1 -72.1 29 9.0 -63.2 325 25 361.4 361.4 299.0 361.4 0.02 17 141 13231 -61.9 -70.9 29 9.0 -62.0 320 26 369.9 369.9 300.6 370.0 0.02 18 100 15340 -64.5 -74.5 24 10.0 -64.6 290 31 403.1 403.1 305.6 403.2 0.02 19 89 16050 -64.9 -74.9 24 10.0 -65.0 288 32 416.0 416.0 307.3 416.1 0.02 20 70 17500 -68.3 -78.3 22 10.0 -68.4 285 35 438.3 438.3 309.7 438.3 0.01 21 52 19268 -70.9 -81.9 18 11.0 -71.0 276 38 471.1 471.1 312.7 471.2 0.01 22 50 19500 -70.7 -81.7 18 11.0 -70.8 275 38 476.9 476.9 313.2 476.9 0.01 23 37 21286 -70.5 -81.5 18 11.0 -70.6 520.3 520.3 316.3 520.4 0.01 TRP 237 10056 -66.5 -75.5 27 9.0 -66.5 345 21 311.9 311.9 286.0 312.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 4995.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 54.67 % Est. max temperature: -7.70 C = 18.14 F Sfc-Lift cond lev (LCL): 943.75 mb = 695.67 m = 2282.35 ft T: -26.52 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.00 C Layer 1030.0-949195686700696731648.0 mb Conv cond level (CCL): 1014.00 mb = 187.87 m = 616.35 ft Mean mixing ratio: 0.19 g/kg Conv temperature: -33.83 C = -28.89 F Cap Strength: 27.01 C Lifted Index: 33.11 C Risk: None Lifted Index @300 mb: 39.16 C Lifted Index @700 mb: 27.01 C Showalter Index: 10.96 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 17.60 C K Index: -3.50 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.81 J/kg Max Up Vert Vel: 11.03 m/s Conv Inhibition (B-): 48299.38 J/kg Cap Strength: 32.87 C Lift Cond Lev (LCL): 909.10 mb = 967.61 m = 3174.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 61 at 6 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 1030 80 0 0 -0.0 -0.0 | 241 6 5.2 2.9 1 1000 285 5 1 -0.1 -1.0 | 249 6 5.2 1.9 2 925 838 15 5 -1.3 -4.8 | 296 4 4.0 -1.9 3 850 1470 25 5 -2.1 -4.5 | 297 4 3.1 -1.6 4 700 2908 45 9 -6.4 -6.4 | 18 4 -1.1 -3.4 5 500 5280 25 11 -4.6 -10.0 | 355 7 0.6 -7.0 6 400 6770 15 13 -3.4 -12.6 | 349 10 1.9 -9.6 7 300 8610 5 17 -1.5 -16.9 | 345 14 3.8 -14.0 8 250 9730 350 19 3.3 -18.7 | 332 18 8.5 -15.8 9 237 10056 345 21 5.4 -20.3 | 328 20 10.7 -17.3 10 200 11090 335 23 9.7 -20.8 | 320 23 15.0 -17.9 11 150 12850 325 25 14.3 -20.5 | 312 26 19.6 -17.5 12 100 15340 290 31 29.1 -10.6 | 283 35 34.4 -7.7 13 70 17500 285 35 33.8 -9.1 | 279 40 39.1 -6.1 14 50 19500 275 38 37.9 -3.3 | 271 43 43.1 -0.4 Wind Parameters Mean winds (0-6000m): 30.8 at 8.0 knts Storm direction: 60.8 at 6.0 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 135.1 deg Storm rel helicity (0-3000m) pos: 10.1 neg: -0.1 tot: 10.0 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.12 Bulk Shear: 6.01 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 8 1 253 5| 3.2 0.0 3.2| 4.0 0.0 4.0 7.9 0.90| 3.2 2.9 1000 14 3 269 5| 2.6 0.0 2.6| 6.2 0.0 6.2 6.2 0.89| 2.7 2.4 1500 18 4 277 4| 1.8 0.0 1.8| 6.6 0.0 6.6 4.4 0.83| 2.1 1.8 2000 22 4 284 4| 1.7 0.0 1.7| 7.9 0.0 7.9 3.9 0.86| 2.0 1.7 2500 27 5 294 3| 1.7 0.0 1.7| 9.2 0.0 9.2 3.7 0.88| 1.9 1.7 3000 32 5 306 3| 1.6 0.0 1.6| 10.1 -0.1 10.0 3.3 0.86| 1.8 1.6 4000 35 6 326 3| 1.2 0.2 1.4| 10.1 -1.1 9.0 2.3 0.68| 1.6 1.1 5000 33 7 339 3| 0.9 0.3 1.3| 10.1 -2.5 7.6 1.5 0.53| 1.5 0.8 6000 31 8 344 4| 0.8 0.4 1.2| 10.1 -3.8 6.3 1.1 0.43| 1.4 0.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251209.00.gif