UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 18 OCT 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1001 166 6.0 -2.0 56 8.0 2.7 280 9 279.1 279.6 275.7 288.3 3.29 1 1000 174 5.8 -0.2 65 6.0 3.2 290 5 279.0 279.6 276.3 289.4 3.76 2 925 804 -0.7 -4.5 75 3.8 -2.1 300 17 278.6 279.1 275.0 286.9 2.96 3 912 917 -1.7 -4.3 82 2.6 -2.7 302 19 278.7 279.2 275.2 287.2 3.04 4 857 1412 -2.5 -2.9 97 0.4 -2.7 309 28 282.9 283.5 278.2 293.0 3.60 5 850 1477 -3.1 -3.2 99 0.1 -3.1 310 29 282.9 283.5 278.1 292.9 3.55 6 726 2702 -13.1 318 26 285.0 7 720 2766 -12.1 319 26 286.8 8 700 2981 -13.1 320 25 288.0 9 686 3135 -13.5 318 25 289.2 10 654 3499 -12.5 -13.7 91 1.2 -12.9 314 24 294.3 294.7 281.5 300.5 2.03 11 622 3882 -14.1 -17.1 78 3.0 -14.9 309 24 296.7 297.0 282.1 301.7 1.61 12 558 4696 -20.9 -25.9 64 5.0 -21.8 300 22 298.1 298.2 281.6 300.7 0.83 13 500 5500 -25.5 -32.5 52 7.0 -26.5 290 21 301.9 302.0 282.8 303.6 0.50 14 400 7080 -37.1 -45.1 43 8.0 -37.6 305 36 306.8 306.8 284.3 307.4 0.17 15 361 7781 -41.9 -49.9 41 8.0 -42.3 305 43 309.5 309.5 285.2 309.9 0.11 16 302 8967 -49.7 -58.7 34 9.0 -49.9 305 56 314.7 314.7 287.1 314.9 0.05 17 300 9010 -49.9 -58.9 34 9.0 -50.1 305 56 315.0 315.0 287.2 315.2 0.05 18 265 9821 -52.7 -61.7 33 9.0 -52.9 305 54 322.3 322.3 289.5 322.4 0.04 19 250 10200 -52.1 -61.1 33 9.0 -52.3 300 44 328.6 328.6 291.4 328.8 0.04 20 218 11084 -50.9 -59.9 34 9.0 -51.2 300 37 343.6 343.6 295.3 343.8 0.05 21 200 11640 -52.1 -61.1 33 9.0 -52.4 300 33 350.3 350.3 296.7 350.5 0.05 22 181 12283 -55.5 -64.5 32 9.0 -55.7 297 34 354.9 354.9 297.7 355.0 0.04 23 169 12724 -53.3 -62.3 33 9.0 -53.6 294 34 365.6 365.6 299.8 365.8 0.05 24 150 13490 -55.1 -65.1 28 10.0 -55.4 290 35 375.1 375.1 301.5 375.3 0.04 25 100 16060 -56.9 -70.9 15 14.0 -57.3 285 21 417.8 417.8 307.4 417.9 0.03 26 87 16939 -60.1 -77.1 9 17.0 -60.4 283 20 428.3 428.3 308.7 428.4 0.01 27 70 18300 -60.1 -90.1 1 30.0 -60.5 280 19 455.8 455.8 311.4 455.8 0.00 28 50 20390 -60.9 -90.9 1 30.0 -61.4 280 17 500.0 500.0 314.9 500.0 0.00 29 40 21770 -63.3 -92.3 1 29.0 -63.8 276 18 526.9 526.9 316.7 526.9 0.00 30 36 22424 -59.3 -89.3 1 30.0 -60.2 274 18 553.4 553.4 318.3 553.4 0.00 31 30 23560 -61.9 -90.9 1 29.0 -62.6 270 19 575.9 575.9 319.5 575.9 0.00 32 22 25484 -61.1 -91.1 1 30.0 -62.1 285 21 631.7 631.7 322.0 631.7 0.00 33 20 26080 -58.1 -89.1 1 31.0 -59.7 290 21 658.3 658.3 323.0 658.4 0.01 34 17 27115 -54.7 -86.7 1 32.0 -57.3 289 22 700.6 700.6 324.4 700.7 0.01 35 15 27913 -57.1 -88.1 1 31.0 -59.3 288 23 718.1 718.1 325.0 718.2 0.01 36 12 29348 -50.9 -83.9 1 33.0 -55.5 286 25 787.4 787.4 327.0 787.7 0.03 37 10 30540 -49.9 -82.9 1 33.0 -55.4 285 27 833.3 833.3 328.0 833.7 0.04 38 9.8 30672 -50.5 -83.5 1 33.0 -55.8 835.9 835.9 328.1 836.2 0.04 39 9.2 31087 -46.9 -80.9 1 34.0 -54.0 864.9 864.9 328.7 865.5 0.06 40 8.4 31690 -46.9 -80.9 1 34.0 -54.4 887.7 887.7 329.2 888.4 0.07 TRP 265 9821 -52.7 -61.7 33 9.0 -52.9 305 54 322.3 322.3 289.5 322.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: 933.08 mb = 736.15 m = 2415.17 ft Wetbulb zero: 955.22 mb = 544.25 m = 1785.56 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 72.60 % Est. max temperature: 9.82 C = 49.68 F Sfc-Lift cond lev (LCL): 884.88 mb = 1157.17 m = 3796.46 ft T: -2.09 C 700-500 lapse rate: 4.92 C/km ThetaE index: 2.53 C Layer 925.0- 912.0 mb Conv cond level (CCL): 830.62 mb = 1656.19 m = 5433.62 ft Mean mixing ratio: 3.28 g/kg Conv temperature: 10.16 C = 50.29 F Cap Strength: 10.02 C Lifted Index: 12.27 C Risk: None Lifted Index @300 mb: 19.22 C Lifted Index @700 mb: 3.87 C Showalter Index: 8.52 C Risk: None Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.40 C Cross Totals Index: 22.30 C K Index: 21.32 Risk: 20-40 % chance of thunderstorms Sweat Index: 79.00 Risk: None Energy Index: 2.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.07 J/kg Max Up Vert Vel: 1.46 m/s Conv Inhibition (B-): 55943.70 J/kg Cap Strength: 11.95 C Lift Cond Lev (LCL): 887.77 mb = 1131.22 m = 3711.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 17 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 1001 166 280 9 8.9 -1.6 | 188 14 2.1 14.2 1 1000 174 290 5 4.7 -1.7 | 172 14 -2.1 14.1 2 925 804 300 17 14.7 -8.5 | 228 11 8.0 7.3 3 850 1477 310 29 22.2 -18.6 | 280 16 15.5 -2.8 4 700 2981 320 25 16.1 -19.2 | 290 10 9.3 -3.4 5 500 5500 290 21 19.7 -7.2 | 236 16 13.0 8.6 6 400 7080 305 36 29.5 -20.6 | 282 23 22.7 -4.9 7 300 9010 305 56 45.9 -32.1 | 293 42 39.1 -16.3 8 265 9821 305 54 44.2 -31.0 | 292 40 37.5 -15.2 9 250 10200 300 44 38.1 -22.0 | 281 32 31.3 -6.2 10 200 11640 300 33 28.6 -16.5 | 272 22 21.8 -0.7 11 150 13490 290 35 32.9 -12.0 | 262 26 26.1 3.8 12 100 16060 285 21 20.3 -5.4 | 233 17 13.5 10.4 13 70 18300 280 19 18.7 -3.3 | 224 17 12.0 12.5 14 50 20390 280 17 16.7 -3.0 | 218 16 10.0 12.8 15 30 23560 270 19 19.0 -0.0 | 218 20 12.2 15.8 16 20 26080 290 21 19.7 -7.2 | 236 16 13.0 8.6 17 10 30540 285 27 26.1 -7.0 | 245 21 19.3 8.8 Wind Parameters Mean winds (0-6000m): 306.8 at 22.9 knts Storm direction: 336.8 at 17.2 knts Shear (0-3000m) pos: 3.3 neg: 0.2 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 75.5 neg: -11.7 tot: 63.8 m^2/s^2 ave: 21.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 24.40 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 ------------------------------------------------------------------------------- 500 296 10 189 12| 6.6 0.0 6.6| 22.7 -9.2 13.4 26.9 0.45| 10.8 4.9 1000 300 14 213 10| 8.1 0.0 8.1| 49.9 -9.2 40.7 40.7 0.70| 10.2 7.1 1500 305 19 239 10| 7.3 0.0 7.3| 69.7 -9.2 60.4 40.3 0.73| 9.1 6.6 2000 308 21 253 10| 5.2 0.0 5.2| 72.4 -9.2 63.2 31.6 0.70| 7.3 5.1 2500 310 22 261 10| 4.0 0.0 4.0| 74.5 -9.2 65.3 26.1 0.67| 6.3 4.2 3000 311 23 265 10| 3.3 0.2 3.5| 75.5 -11.7 63.8 21.3 0.61| 5.6 3.4 4000 312 23 267 10| 2.5 0.7 3.3| 75.5 -25.8 49.7 12.4 0.40| 4.9 2.0 5000 310 23 263 11| 2.0 1.1 3.1| 75.5 -40.7 34.8 7.0 0.26| 4.4 1.1 6000 307 23 260 12| 2.1 1.0 3.1|103.1 -45.4 57.8 9.6 0.32| 4.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251018.12.gif