UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 28 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 -78 SFC 957 281 8.8 8.3 97 0.5 8.5 265 1 285.5 286.8 283.6 305.5 7.19 2 925 557 6.2 5.0 92 1.2 5.6 255 15 285.6 286.7 282.3 302.2 5.91 3 850 1253 2.8 1.0 88 1.8 2.0 245 29 289.1 289.9 282.5 302.9 4.84 4 841 1339 2.4 0.5 87 1.9 1.5 243 29 289.5 290.4 282.6 303.1 4.72 5 776 1990 0.6 -2.0 83 2.6 -0.6 231 32 294.3 295.1 284.1 306.9 4.25 6 707 2734 -3.5 -7.1 76 3.6 -5.0 217 35 297.8 298.3 284.3 307.3 3.17 7 700 2813 -4.1 -7.5 77 3.4 -5.4 215 35 297.9 298.5 284.3 307.3 3.11 8 672 3133 -6.3 -9.2 80 2.9 -7.4 214 36 299.0 299.5 284.4 307.6 2.83 9 652 3367 -9.3 -20.3 40 11.0 -12.2 213 36 298.2 298.4 282.1 301.9 1.17 10 636 3558 -9.7 -24.7 28 15.0 -13.2 212 36 299.9 300.0 282.4 302.5 0.81 11 564 4477 -13.5 -31.5 20 18.0 -16.9 209 38 305.9 306.0 284.4 307.5 0.49 12 500 5380 -19.7 -40.7 14 21.0 -22.4 205 40 309.0 309.1 285.2 309.8 0.22 13 454 6095 -23.9 -43.9 14 20.0 -26.1 199 38 312.4 312.4 286.4 313.0 0.17 14 400 7010 -31.3 -52.3 11 21.0 -32.7 190 36 314.3 314.3 286.9 314.6 0.08 15 300 8980 -46.7 -62.7 15 16.0 -47.1 180 38 319.5 319.5 288.6 319.6 0.03 16 299 9002 -47.1 -63.1 14 16.0 -47.5 180 38 319.3 319.3 288.5 319.4 0.03 17 261 9891 -51.5 -66.5 15 15.0 -51.8 190 42 325.5 325.5 290.5 325.5 0.02 18 250 10170 -51.1 -66.1 15 15.0 -51.4 200 42 330.1 330.1 291.7 330.2 0.02 19 200 11630 -49.3 -65.3 14 16.0 -49.8 205 44 354.7 354.7 297.7 354.8 0.03 20 154 13355 -45.3 -64.3 10 19.0 -46.2 210 39 389.1 389.1 303.7 389.3 0.04 21 150 13530 -46.1 -65.1 10 19.0 -47.0 210 38 390.6 390.6 303.9 390.8 0.04 22 101 16135 -50.3 -70.3 8 20.0 -51.1 225 36 429.3 429.3 308.8 429.5 0.03 23 100 16200 -50.5 -69.5 9 19.0 -51.3 225 36 430.2 430.2 308.9 430.3 0.03 24 70 18510 -54.5 -73.5 8 19.0 -55.2 235 25 467.8 467.8 312.5 467.9 0.03 25 50 20660 -56.9 -75.9 7 19.0 -57.7 220 17 509.4 509.4 315.6 509.5 0.03 26 47 21051 -57.9 -76.9 7 19.0 -58.6 225 16 516.1 516.1 316.1 516.2 0.02 27 38 22408 -53.1 -73.1 7 20.0 -54.6 241 11 560.7 560.7 318.7 561.0 0.05 28 31 23711 -56.3 -74.3 9 18.0 -57.5 257 6 585.6 585.7 319.9 586.0 0.05 29 30 23920 -56.1 -74.1 9 18.0 -57.4 260 5 591.7 591.7 320.2 592.1 0.06 30 20 26520 -51.9 -69.9 10 18.0 -54.6 260 7 677.3 677.4 323.7 678.6 0.16 31 15 28396 -51.3 -69.3 10 18.0 -54.7 192 6 737.4 737.5 325.6 739.5 0.23 32 10 31080 -44.5 -64.5 9 20.0 -51.6 95 5 853.4 853.8 328.6 860.4 0.66 33 9.5 31425 -42.3 -63.3 8 21.0 -50.6 874.4 874.8 329.1 883.2 0.81 TRP 261 9891 -51.5 -66.5 15 15.0 -51.8 190 42 325.5 325.5 290.5 325.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 765.90 mb = 2098.64 m = 6885.22 ft Wetbulb zero: 793.94 mb = 1804.88 m = 5921.45 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 57.90 % Est. max temperature: 15.20 C = 59.36 F Sfc-Lift cond lev (LCL): 949.79 mb = 342.11 m = 1122.39 ft T: 8.22 C 700-500 lapse rate: 6.08 C/km ThetaE index: 3.31 C Layer 925.0- 850.0 mb Conv cond level (CCL): 871.39 mb = 1048.46 m = 3439.80 ft Mean mixing ratio: 5.77 g/kg Conv temperature: 11.32 C = 52.37 F Cap Strength: 6.23 C Lifted Index: 7.23 C Risk: None Lifted Index @300 mb: 11.87 C Lifted Index @700 mb: 3.67 C Showalter Index: 7.23 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.70 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 110.00 Risk: None Energy Index: 1.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.43 J/kg Max Up Vert Vel: 5.18 m/s Conv Inhibition (B-): 53448.60 J/kg Cap Strength: 7.06 C Lift Cond Lev (LCL): 889.20 mb = 881.89 m = 2893.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 at 25 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 ---------------------------------------------------------- 0 957 281 265 1 1.0 0.1 | 65 24 -21.8 -10.2 1 925 557 255 15 14.5 3.9 | 52 10 -8.3 -6.4 2 850 1253 245 29 26.3 12.3 | 240 4 3.5 2.0 3 700 2813 215 35 20.1 28.7 | 172 19 -2.7 18.4 4 500 5380 205 40 16.9 36.3 | 167 27 -5.9 26.0 5 400 7010 190 36 6.3 35.5 | 147 30 -16.5 25.2 6 300 8980 180 38 0.0 38.0 | 141 36 -22.8 27.8 7 261 9891 190 42 7.3 41.4 | 154 35 -15.5 31.1 8 250 10170 200 42 14.4 39.5 | 164 30 -8.4 29.2 9 200 11630 205 44 18.6 39.9 | 172 30 -4.2 29.6 10 150 13530 210 38 19.0 32.9 | 171 23 -3.8 22.7 11 100 16200 225 36 25.5 25.5 | 190 15 2.7 15.2 12 70 18510 235 25 20.5 14.3 | 151 5 -2.3 4.1 13 50 20660 220 17 10.9 13.0 | 103 12 -11.9 2.8 14 30 23920 260 5 4.9 0.9 | 62 20 -17.9 -9.4 15 20 26520 260 7 6.9 1.2 | 60 18 -15.9 -9.0 16 10 31080 95 5 -5.0 0.4 | 71 29 -27.8 -9.8 Wind Parameters Mean winds (0-6000m): 215.8 at 33.3 knts Storm direction: 245.8 at 25.0 knts Shear (0-3000m) pos: 0.0 neg: 6.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -49.1 tot: -49.1 m^2/s^2 ave: -16.4 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 82.64 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 ------------------------------------------------------------------------------- 500 254 12 58 13| 0.0 19.1 19.1| 0.0 -19.1 -19.1 -38.1 -0.25| 19.2 -4.8 1000 249 18 57 7| 0.0 14.5 14.5| 0.0 -21.8 -21.8 -21.8 -0.35| 15.1 -5.3 1500 245 22 73 3| 0.0 10.3 10.3| 0.0 -27.5 -27.5 -18.3 -0.40| 11.9 -4.8 2000 240 25 145 3| 0.0 8.3 8.3| 0.0 -35.4 -35.4 -17.7 -0.42| 10.4 -4.4 2500 234 27 167 5| 0.0 7.0 7.0| 0.0 -47.1 -47.1 -18.8 -0.43| 9.5 -4.1 3000 230 28 170 8| 0.0 6.1 6.1| 0.0 -49.1 -49.1 -16.4 -0.42| 8.3 -3.5 4000 224 30 171 12| 0.0 4.8 4.8| 0.0 -52.6 -52.6 -13.2 -0.40| 6.6 -2.7 5000 220 32 171 15| 0.0 4.0 4.0| 0.0 -58.1 -58.1 -11.6 -0.39| 5.6 -2.2 6000 216 33 169 17| 0.0 3.2 3.2| 0.0-100.6-100.6 -16.8 -0.45| 5.2 -2.4 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20250428.12.gif