UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 28 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 1013 77 0.4 -4.0 72 4.4 -1.2 260 1 272.5 273.0 271.2 280.2 2.80 1 1000 180 -0.3 -4.7 72 4.4 -1.9 260 3 272.9 273.3 271.2 280.2 2.69 2 945 631 -3.9 -8.5 70 4.6 -5.4 267 6 273.6 274.0 270.9 279.5 2.13 3 925 801 -2.3 -7.0 70 4.7 -3.9 270 7 277.0 277.4 273.3 283.8 2.44 4 920 843 -2.1 -7.1 69 5.0 -3.8 271 8 277.6 278.0 273.7 284.4 2.43 5 854 1421 -6.5 -13.5 58 7.0 -8.5 284 15 279.0 279.2 273.2 283.5 1.58 6 850 1457 -6.3 -12.3 62 6.0 -8.1 285 15 279.5 279.8 273.8 284.6 1.75 7 842 1531 -5.7 -11.7 63 6.0 -7.5 285 16 280.9 281.3 274.7 286.3 1.85 8 833 1616 -4.9 -12.9 53 8.0 -7.3 286 17 282.6 282.9 275.4 287.6 1.70 9 794 1994 -6.3 -23.3 25 17.0 -10.1 289 22 285.0 285.2 275.3 287.3 0.74 10 736 2590 -6.3 -27.3 17 21.0 -10.8 292 30 291.3 291.4 278.2 293.1 0.55 11 700 2983 -7.5 -28.5 17 21.0 -11.9 295 35 294.2 294.3 279.5 295.9 0.52 12 689 3106 -7.9 -29.9 15 22.0 -12.3 295 36 295.1 295.2 279.8 296.6 0.46 13 594 4239 -14.5 -16.8 83 2.3 -15.2 297 43 300.2 300.5 283.7 305.6 1.73 14 500 5520 -22.3 -24.7 81 2.4 -22.8 300 52 305.9 306.0 285.0 309.2 1.03 15 469 5989 -24.7 -27.2 80 2.5 -25.2 300 54 308.5 308.7 285.8 311.5 0.88 16 400 7130 -32.7 -35.4 77 2.7 -33.0 300 60 312.5 312.6 286.8 314.1 0.47 17 331 8435 -44.3 -48.1 66 3.8 -44.5 300 65 314.0 314.0 286.9 314.5 0.15 18 300 9090 -48.3 -52.1 65 3.8 -48.4 300 68 317.3 317.3 288.0 317.7 0.10 19 250 10270 -58.3 -62.1 62 3.8 -58.3 295 69 319.4 319.4 288.6 319.5 0.04 20 229 10812 -64.1 -67.9 60 3.8 -64.1 295 73 318.6 318.6 288.3 318.7 0.02 21 217 11138 -67.7 -71.5 58 3.8 -67.7 295 69 318.0 318.0 288.1 318.1 0.01 22 200 11630 -64.9 -68.7 59 3.8 -64.9 300 68 330.0 330.0 291.7 330.1 0.02 23 174 12496 -59.1 -63.1 60 4.0 -59.2 302 60 353.0 353.0 297.3 353.2 0.05 24 150 13430 -59.3 -63.4 59 4.1 -59.4 305 52 367.9 367.9 300.2 368.1 0.05 25 100 15950 -62.1 -67.1 51 5.0 -62.2 310 46 407.7 407.8 306.3 408.0 0.05 26 99 16012 -62.1 -67.1 51 5.0 -62.2 408.9 408.9 306.4 409.2 0.05 27 87 16808 -63.5 -69.5 44 6.0 -63.6 421.5 421.5 307.9 421.7 0.04 TRP 217 11138 -67.7 -71.5 58 3.8 -67.7 295 69 318.0 318.0 288.1 318.1 0.01 WND 229 10812 -64.1 -67.9 60 3.8 -64.1 295 73 318.6 318.6 288.3 318.7 0.02 Sounding variables and indices 1000-500 mb thick: 5340.00 m Freezing level: 1005.57 mb = 135.70 m = 445.22 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 55.12 % Est. max temperature: 6.65 C = 43.98 F Sfc-Lift cond lev (LCL): 945.76 mb = 624.64 m = 2049.32 ft T: -3.85 C 700-500 lapse rate: 5.83 C/km ThetaE index: 0.92 C Layer 854.0- 850.0 mb Conv cond level (CCL): 628.14 mb = 3812.21 m = 12507.10 ft Mean mixing ratio: 2.42 g/kg Conv temperature: 26.23 C = 79.21 F Cap Strength: 17.82 C Lifted Index: 20.98 C Risk: None Lifted Index @300 mb: 25.86 C Lifted Index @700 mb: 14.54 C Showalter Index: 18.05 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 10.00 C K Index: -17.30 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 5.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.78 J/kg Max Up Vert Vel: 6.29 m/s Conv Inhibition (B-): 20098.59 J/kg Cap Strength: 20.77 C Lift Cond Lev (LCL): 895.44 mb = 1053.26 m = 3455.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 24 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 1013 77 260 1 1.0 0.2 | 148 23 -12.3 19.9 1 1000 180 260 3 3.0 0.5 | 153 23 -10.4 20.2 2 925 801 270 7 7.0 -0.0 | 162 21 -6.3 19.7 3 850 1457 285 15 14.5 -3.9 | 184 16 1.2 15.8 4 700 2983 295 35 31.7 -14.8 | 255 19 18.4 4.9 5 500 5520 300 52 45.0 -26.0 | 281 32 31.7 -6.3 6 400 7130 300 60 52.0 -30.0 | 285 40 38.6 -10.3 7 300 9090 300 68 58.9 -34.0 | 287 48 45.6 -14.3 8 250 10270 295 69 62.5 -29.2 | 281 50 49.2 -9.5 9 229 10812 295 73 66.2 -30.9 | 282 54 52.8 -11.1 10 217 11138 295 69 62.5 -29.2 | 281 50 49.2 -9.5 11 200 11630 300 68 58.9 -34.0 | 287 48 45.6 -14.3 12 150 13430 305 52 42.6 -29.8 | 289 31 29.3 -10.1 13 100 15950 310 46 35.2 -29.6 | 294 24 21.9 -9.9 Wind Parameters Mean winds (0-6000m): 296.0 at 31.7 knts Storm direction: 326.0 at 23.8 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 108.3 deg Storm rel helicity (0-3000m) pos: 150.4 neg: 0.0 tot: 150.4 m^2/s^2 ave: 50.1 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 107.96 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 ------------------------------------------------------------------------------- 500 264 4 155 22| 4.7 0.0 4.7| 24.9 0.0 24.9 49.9 0.91| 4.7 4.3 1000 270 6 159 21| 4.8 0.0 4.8| 47.4 0.0 47.4 47.4 0.87| 4.9 4.3 1500 277 8 165 19| 5.4 0.0 5.4| 72.4 0.0 72.4 48.2 0.86| 5.6 4.8 2000 282 11 172 18| 5.7 0.0 5.7| 98.5 0.0 98.5 49.2 0.90| 5.9 5.3 2500 286 14 181 16| 5.9 0.0 5.9|125.1 0.0 125.1 50.0 0.92| 6.1 5.6 3000 289 17 192 14| 6.0 0.0 6.0|150.4 0.0 150.4 50.1 0.91| 6.1 5.6 4000 292 23 214 14| 5.3 0.0 5.3|177.8 0.0 177.8 44.5 0.87| 5.5 4.8 5000 294 27 234 14| 5.0 0.0 5.0|207.8 0.0 207.8 41.6 0.84| 5.1 4.3 6000 296 32 249 16| 4.4 0.2 4.6|229.7 0.0 229.7 38.3 0.80| 4.7 3.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251028.12.gif