UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 29 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 1010 79 5.0 2.3 83 2.7 3.8 260 3 277.4 278.1 276.5 289.6 4.47 1 1000 160 4.8 1.8 81 3.0 3.4 260 3 278.0 278.7 276.6 289.9 4.35 2 925 795 4.0 0.4 77 3.6 2.4 265 9 283.4 284.1 279.3 295.4 4.25 3 850 1468 -0.5 -2.7 85 2.2 -1.4 275 13 285.6 286.3 279.6 296.1 3.68 4 700 3000 -9.7 -11.7 85 2.0 -10.4 285 25 291.7 292.1 280.6 298.4 2.23 5 671 3326 -11.7 -13.7 85 2.0 -12.3 286 28 293.1 293.4 280.9 299.0 1.98 6 653 3535 -10.9 -12.9 85 2.0 -11.5 286 29 296.2 296.6 282.5 302.9 2.17 7 500 5540 -24.1 -26.3 82 2.2 -24.5 290 46 303.7 303.8 284.0 306.6 0.89 8 432 6594 -29.5 -40.5 34 11.0 -30.6 297 54 309.8 309.8 285.5 310.7 0.26 9 400 7140 -32.1 -43.1 33 11.0 -33.1 300 58 313.3 313.3 286.8 314.0 0.21 10 364 7801 -36.1 -47.1 31 11.0 -36.8 298 62 316.5 316.5 287.8 317.1 0.15 11 300 9110 -48.5 -54.5 50 6.0 -48.7 295 69 317.0 317.0 287.9 317.3 0.08 12 291 9309 -50.1 -56.1 49 6.0 -50.3 295 70 317.5 317.5 288.0 317.7 0.07 13 250 10280 -57.1 -62.1 53 5.0 -57.2 295 73 321.2 321.2 289.2 321.3 0.04 14 223 11000 -59.0 -63.8 53 4.8 -59.0 295 79 329.0 329.0 291.5 329.1 0.03 15 203 11587 -60.5 -65.2 54 4.7 -60.6 295 73 335.5 335.5 293.2 335.6 0.03 16 200 11680 -60.3 -65.0 54 4.7 -60.4 295 71 337.3 337.3 293.7 337.4 0.03 17 150 13470 -59.5 -64.5 52 5.0 -59.6 300 68 367.6 367.6 300.2 367.8 0.04 18 131 14318 -59.1 -64.1 52 5.0 -59.2 302 65 382.8 382.8 302.8 383.1 0.05 19 100 16000 -61.9 -67.9 45 6.0 -62.0 305 60 408.1 408.1 306.3 408.3 0.04 20 99 16062 -61.9 -67.9 45 6.0 -62.0 305 60 409.3 409.3 306.5 409.5 0.04 21 70 18190 -63.1 -70.1 38 7.0 -63.3 305 56 449.4 449.4 310.8 449.6 0.04 22 50 20260 -64.5 -72.5 32 8.0 -64.7 300 52 491.5 491.5 314.4 491.7 0.04 23 35 22426 -66.5 -74.5 32 8.0 -66.8 297 48 539.1 539.1 317.5 539.4 0.05 24 30 23360 -65.3 -74.3 28 9.0 -65.7 295 46 566.6 566.6 319.0 567.0 0.05 25 25 24473 -64.3 -73.3 28 9.0 -64.8 599.8 599.9 320.6 600.4 0.08 TRP 203 11587 -60.5 -65.2 54 4.7 -60.6 295 73 335.5 335.5 293.2 335.6 0.03 WND 223 11000 -59.0 -63.8 53 4.8 -59.0 295 79 329.0 329.0 291.5 329.1 0.03 Sounding variables and indices 1000-500 mb thick: 5380.00 m Freezing level: 858.33 mb = 1393.22 m = 4570.88 ft Wetbulb zero: 878.46 mb = 1205.90 m = 3956.33 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 83.36 % Est. max temperature: 12.98 C = 55.37 F Sfc-Lift cond lev (LCL): 968.83 mb = 417.92 m = 1371.10 ft T: 4.48 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.00 C Layer 1010.0- -0.0 mb Conv cond level (CCL): 846.48 mb = 1500.70 m = 4923.51 ft Mean mixing ratio: 4.30 g/kg Conv temperature: 13.42 C = 56.15 F Cap Strength: 6.89 C Lifted Index: 10.04 C Risk: None Lifted Index @300 mb: 17.22 C Lifted Index @700 mb: 4.11 C Showalter Index: 7.58 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.40 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 72.00 Risk: None Energy Index: 2.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.64 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 39049.58 J/kg Cap Strength: 10.02 C Lift Cond Lev (LCL): 911.00 mb = 916.35 m = 3006.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 20 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 1010 79 260 3 3.0 0.5 | 144 18 -10.7 14.8 1 1000 160 260 3 3.0 0.5 | 144 18 -10.7 14.8 2 925 795 265 9 9.0 0.8 | 163 16 -4.7 15.1 3 850 1468 275 13 13.0 -1.1 | 177 13 -0.7 13.2 4 700 3000 285 25 24.1 -6.5 | 233 13 10.5 7.8 5 500 5540 290 46 43.2 -15.7 | 273 30 29.5 -1.4 6 400 7140 300 58 50.2 -29.0 | 292 39 36.5 -14.7 7 300 9110 295 69 62.5 -29.2 | 287 51 48.8 -14.9 8 250 10280 295 73 66.2 -30.9 | 288 55 52.5 -16.5 9 223 11000 295 79 71.6 -33.4 | 288 61 57.9 -19.1 10 203 11587 295 73 66.2 -30.9 | 288 55 52.5 -16.5 11 200 11680 295 71 64.3 -30.0 | 287 53 50.7 -15.7 12 150 13470 300 68 58.9 -34.0 | 294 49 45.2 -19.7 13 100 16000 305 60 49.1 -34.4 | 300 41 35.5 -20.1 14 70 18190 305 56 45.9 -32.1 | 299 37 32.2 -17.8 15 50 20260 300 52 45.0 -26.0 | 290 33 31.3 -11.7 16 30 23360 295 46 41.7 -19.4 | 280 28 28.0 -5.1 Wind Parameters Mean winds (0-6000m): 286.2 at 26.4 knts Storm direction: 316.2 at 19.8 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 80.6 neg: 0.0 tot: 80.6 m^2/s^2 ave: 26.9 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 65.47 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 ------------------------------------------------------------------------------- 500 262 5 149 17| 4.1 0.0 4.1| 16.4 0.0 16.4 32.9 0.90| 4.1 3.7 1000 265 7 155 16| 4.0 0.0 4.0| 30.7 0.0 30.7 30.7 0.89| 4.0 3.6 1500 269 9 161 15| 3.8 0.0 3.8| 41.3 0.0 41.3 27.5 0.87| 3.9 3.4 2000 272 10 167 14| 3.9 0.0 3.9| 54.3 0.0 54.3 27.1 0.90| 4.0 3.6 2500 275 12 174 13| 3.9 0.0 3.9| 67.3 0.0 67.3 26.9 0.92| 4.0 3.7 3000 278 14 182 12| 3.9 0.0 3.9| 80.6 0.0 80.6 26.9 0.93| 4.0 3.7 4000 281 18 200 11| 4.0 0.0 4.0|105.8 0.0 105.8 26.4 0.87| 4.1 3.6 5000 284 22 221 12| 4.1 0.0 4.1|133.4 0.0 133.4 26.7 0.81| 4.1 3.3 6000 286 26 239 14| 4.1 0.0 4.1|178.5 0.0 178.5 29.7 0.78| 4.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251029.12.gif