UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 18 APR 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 172 SFC 986 287 5.6 -12.4 26 18.0 -0.3 285 1 279.9 280.1 273.6 284.2 1.49 2 972 403 3.2 -14.8 25 18.0 -2.2 276 1 278.6 278.8 272.5 282.2 1.25 3 925 802 -0.5 -16.5 29 16.0 -4.9 245 3 278.8 279.0 272.4 282.1 1.14 4 850 1469 -7.5 -19.5 38 12.0 -10.3 295 5 278.3 278.5 271.8 281.1 0.96 5 791 2023 -12.7 -20.7 51 8.0 -14.4 308 16 278.5 278.7 271.9 281.3 0.93 6 757 2359 -11.9 -27.9 25 16.0 -14.7 316 24 282.9 283.0 273.7 284.5 0.51 7 712 2826 -13.9 -18.9 66 5.0 -15.0 327 33 285.7 285.9 276.3 289.3 1.21 8 700 2955 -14.1 -18.6 69 4.5 -15.2 330 36 286.9 287.1 277.0 290.7 1.26 9 579 4377 -19.1 -23.8 66 4.7 -20.1 333 53 297.0 297.2 281.4 300.1 0.97 10 500 5450 -26.7 -32.7 57 6.0 -27.5 335 66 300.5 300.6 282.2 302.1 0.49 11 460 6046 -30.7 -35.7 61 5.0 -31.3 337 69 302.7 302.8 283.0 304.1 0.40 12 400 7020 -38.7 -43.7 59 5.0 -39.0 340 73 304.7 304.7 283.5 305.4 0.20 13 339 8134 -48.5 -54.5 50 6.0 -48.7 346 83 306.1 306.1 284.0 306.4 0.07 14 300 8930 -53.5 -59.5 48 6.0 -53.6 350 91 309.9 309.9 285.4 310.1 0.04 15 295 9039 -54.1 -60.1 48 6.0 -54.2 352 93 310.6 310.6 285.6 310.7 0.04 16 288 9193 -56.5 -62.5 47 6.0 -56.6 355 95 309.3 309.3 285.1 309.4 0.03 17 287 9216 -56.5 -62.5 47 6.0 -56.6 355 95 309.6 309.6 285.2 309.8 0.03 18 265 9726 -55.9 -61.9 47 6.0 -56.0 352 85 317.6 317.6 288.0 317.8 0.03 19 250 10100 -55.7 -61.7 47 6.0 -55.8 350 77 323.3 323.3 289.8 323.4 0.04 20 200 11530 -52.3 -62.3 29 10.0 -52.6 340 60 349.9 350.0 296.7 350.1 0.04 21 175 12392 -50.7 -63.7 20 13.0 -51.1 338 55 366.2 366.2 299.9 366.4 0.04 22 150 13390 -51.7 -68.7 11 17.0 -52.2 335 50 381.0 381.0 302.4 381.1 0.02 23 100 16020 -51.9 -73.9 5 22.0 -52.6 335 40 427.4 427.5 308.6 427.5 0.02 24 70 18320 -52.5 -76.5 4 24.0 -53.5 340 31 472.1 472.1 312.8 472.2 0.02 25 64 18899 -52.9 -76.9 4 24.0 -53.9 337 29 483.4 483.5 313.7 483.5 0.02 26 50 20500 -50.5 -75.5 4 25.0 -52.1 330 25 524.5 524.5 316.6 524.6 0.03 27 47 20904 -49.7 -74.7 4 25.0 -51.5 535.7 535.8 317.3 536.0 0.03 28 42 21634 -53.7 -77.7 4 24.0 -55.0 543.4 543.4 317.7 543.5 0.02 29 31 23583 -54.3 -78.3 4 24.0 -55.9 591.0 591.1 320.2 591.2 0.03 TRP 288 9193 -56.5 -62.5 47 6.0 -56.6 355 95 309.3 309.3 285.1 309.4 0.03 WND 287 9216 -56.5 -62.5 47 6.0 -56.6 355 95 309.6 309.6 285.2 309.8 0.03 Sounding variables and indices 1000-500 mb thick: 5278.00 m Freezing level: 931.35 mb = 748.14 m = 2454.49 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 51.77 % Est. max temperature: 4.08 C = 39.34 F Sfc-Lift cond lev (LCL): 745.50 mb = 2475.55 m = 8121.79 ft T: -12.40 C 700-500 lapse rate: 5.05 C/km ThetaE index: 3.10 C Layer 972.0- 791.0 mb Conv cond level (CCL): 544.21 mb = 4830.46 m = 15847.76 ft Mean mixing ratio: 1.17 g/kg Conv temperature: 24.16 C = 75.50 F Cap Strength: 13.81 C Lifted Index: 15.50 C Risk: None Lifted Index @300 mb: 19.66 C Lifted Index @700 mb: 6.92 C Showalter Index: 16.35 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 7.20 C K Index: -4.80 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 4.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.14 J/kg Max Up Vert Vel: 5.13 m/s Conv Inhibition (B-): 46167.50 J/kg Cap Strength: 15.41 C Lift Cond Lev (LCL): 723.43 mb = 2704.63 m = 8873.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 2 at 28 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 ---------------------------------------------------------- 0 986 287 285 1 1.0 -0.3 | 184 28 2.1 27.4 1 925 802 245 3 2.7 1.3 | 188 29 3.8 29.0 2 850 1469 295 5 4.5 -2.1 | 192 26 5.7 25.6 3 700 2955 330 36 18.0 -31.2 | 280 19 19.1 -3.5 4 500 5450 335 66 27.9 -59.8 | 318 43 29.0 -32.1 5 400 7020 340 73 25.0 -68.6 | 327 49 26.1 -40.9 6 300 8930 350 91 15.8 -89.6 | 345 64 16.9 -61.9 7 288 9193 355 95 8.3 -94.6 | 352 68 9.4 -66.9 8 287 9216 355 95 8.3 -94.6 | 352 68 9.4 -66.9 9 250 10100 350 77 13.4 -75.8 | 343 50 14.5 -48.1 10 200 11530 340 60 20.5 -56.4 | 323 36 21.6 -28.7 11 150 13390 335 50 21.1 -45.3 | 308 28 22.3 -17.6 12 100 16020 335 40 16.9 -36.3 | 295 20 18.0 -8.6 13 70 18320 340 31 10.6 -29.1 | 277 12 11.7 -1.4 14 50 20500 330 25 12.5 -21.7 | 246 15 13.6 6.0 Wind Parameters Mean winds (0-6000m): 332.3 at 37.0 knts Storm direction: 2.3 at 27.7 knts Shear (0-3000m) pos: 6.8 neg: 0.4 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 235.0 neg: 0.0 tot: 235.0 m^2/s^2 ave: 78.3 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 176.90 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 ------------------------------------------------------------------------------- 500 255 2 186 28| 0.0 2.3 2.3| 11.5 0.0 11.5 22.9 0.65| 2.4 1.6 1000 262 3 188 28| 1.4 1.2 2.5| 26.7 0.0 26.7 26.7 0.69| 2.6 1.8 1500 283 4 191 27| 3.5 0.8 4.3| 72.1 0.0 72.1 48.1 0.80| 4.5 3.6 2000 302 7 197 25| 5.4 0.6 6.0|134.6 0.0 134.6 67.3 0.87| 6.2 5.4 2500 316 11 205 21| 6.6 0.5 7.1|196.1 0.0 196.1 78.4 0.91| 7.4 6.7 3000 324 16 214 18| 6.8 0.4 7.2|235.0 0.0 235.0 78.3 0.91| 7.6 6.9 4000 328 23 239 16| 6.7 0.3 7.0|289.5 0.0 289.5 72.4 0.85| 7.2 6.2 5000 330 31 266 16| 6.6 0.2 6.8|350.0 0.0 350.0 70.0 0.79| 7.0 5.6 6000 332 37 285 19| 6.0 0.2 6.2|408.4 0.0 408.4 68.1 0.79| 6.5 5.1 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20250418.12.gif