UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U8445... Searching the city database file for: U8445 ... Date:0000Z 22 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 131 SFC 982 281 8.2 5.9 85 2.3 7.0 220 1 282.8 283.8 281.0 299.2 5.93 2 930 737 15.8 -0.2 34 16.0 7.9 261 30 295.0 295.7 284.2 307.0 4.05 3 925 783 15.4 -0.6 33 16.0 7.5 265 33 295.1 295.8 284.1 306.8 3.95 4 850 1491 9.0 -3.0 43 12.0 3.5 290 27 295.6 296.2 283.9 306.3 3.60 5 700 3056 -5.3 -10.2 68 4.9 -7.1 270 23 296.6 297.1 283.1 304.2 2.51 6 659 3526 -9.5 -12.1 81 2.6 -10.4 272 23 297.0 297.5 283.0 304.1 2.29 7 517 5363 -20.1 -26.1 59 6.0 -21.3 279 25 305.6 305.8 284.8 308.5 0.88 8 500 5610 -22.3 -29.3 53 7.0 -23.5 280 25 305.9 306.0 284.6 308.1 0.68 9 412 7003 -33.1 -40.1 50 7.0 -33.7 267 23 309.3 309.4 285.4 310.3 0.28 10 400 7210 -34.7 -42.7 44 8.0 -35.3 265 23 309.9 309.9 285.5 310.7 0.22 11 312 8894 -49.5 -55.5 49 6.0 -49.7 261 21 312.1 312.1 286.1 312.3 0.07 12 300 9150 -50.9 -56.9 49 6.0 -51.1 260 21 313.6 313.6 286.7 313.8 0.06 13 250 10310 -58.5 -64.5 46 6.0 -58.6 265 29 319.1 319.1 288.5 319.2 0.03 14 242 10515 -59.3 -65.3 46 6.0 -59.4 265 31 320.9 320.9 289.0 321.0 0.02 15 200 11720 -58.1 -64.1 46 6.0 -58.2 280 25 340.8 340.8 294.6 340.9 0.03 16 180 12382 -58.1 -64.1 46 6.0 -58.2 284 28 351.2 351.2 296.9 351.3 0.04 17 150 13540 -53.7 -60.7 42 7.0 -53.9 290 33 377.5 377.6 301.9 377.9 0.07 18 144 13803 -52.7 -59.7 42 7.0 -53.0 290 32 383.7 383.7 302.9 384.1 0.09 19 101 16067 -57.5 -66.5 31 9.0 -57.8 290 27 415.4 415.5 307.2 415.7 0.05 20 100 16130 -57.3 -66.3 31 9.0 -57.6 290 27 417.0 417.0 307.4 417.3 0.05 21 70 18380 -56.9 -67.9 24 11.0 -57.3 305 21 462.7 462.7 312.0 463.0 0.06 22 57 19676 -56.3 -68.3 21 12.0 -56.9 299 19 492.0 492.0 314.4 492.4 0.07 23 50 20500 -58.3 -70.3 20 12.0 -58.9 295 17 506.1 506.1 315.4 506.5 0.06 24 30 23720 -59.5 -73.5 15 14.0 -60.3 305 19 582.4 582.5 319.8 582.9 0.06 25 28 24150 -60.1 -74.1 14 14.0 -60.9 304 20 592.4 592.4 320.3 592.8 0.06 26 20 26260 -57.5 -73.5 11 16.0 -59.0 300 27 660.2 660.2 323.1 660.9 0.09 27 17 27286 -57.9 -74.9 10 17.0 -59.6 690.3 690.3 324.1 691.0 0.09 28 13 28997 -52.9 -70.9 10 18.0 -56.2 762.7 762.8 326.3 764.6 0.21 TRP 242 10515 -59.3 -65.3 46 6.0 -59.4 265 31 320.9 320.9 289.0 321.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 755.59 mb = 2475.96 m = 8123.15 ft Wetbulb zero: 800.55 mb = 1974.10 m = 6476.64 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 60.44 % Est. max temperature: 21.05 C = 69.88 F Sfc-Lift cond lev (LCL): 948.13 mb = 575.47 m = 1888.00 ft T: 13.10 C 700-500 lapse rate: 6.66 C/km ThetaE index: 2.93 C Layer 925.0- 517.0 mb Conv cond level (CCL): 729.15 mb = 2727.13 m = 8947.18 ft Mean mixing ratio: 4.44 g/kg Conv temperature: 21.78 C = 71.20 F Cap Strength: 3.85 C Lifted Index: 3.29 C Risk: None Lifted Index @300 mb: 6.33 C Lifted Index @700 mb: 1.42 C Showalter Index: 2.41 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.30 C Cross Totals Index: 19.30 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 111.00 Risk: None Energy Index: 0.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.67 J/kg Max Up Vert Vel: 9.87 m/s Conv Inhibition (B-): 50131.87 J/kg Cap Strength: 3.85 C Lift Cond Lev (LCL): 777.34 mb = 2211.29 m = 7254.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 18 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 ---------------------------------------------------------- 0 982 281 220 1 0.6 0.8 | 130 18 -14.1 11.6 1 925 783 265 33 32.9 2.9 | 233 23 18.1 13.7 2 850 1491 290 27 25.4 -9.2 | 261 11 10.6 1.6 3 700 3056 270 23 23.0 -0.0 | 217 14 8.2 10.9 4 500 5610 280 25 24.6 -4.3 | 236 12 9.9 6.5 5 400 7210 265 23 22.9 2.0 | 212 15 8.2 12.9 6 300 9150 260 21 20.7 3.6 | 202 16 5.9 14.5 7 250 10310 265 29 28.9 2.5 | 227 19 14.1 13.4 8 242 10515 265 31 30.9 2.7 | 230 21 16.1 13.6 9 200 11720 280 25 24.6 -4.3 | 236 12 9.9 6.5 10 150 13540 290 33 31.0 -11.3 | 271 16 16.3 -0.4 11 100 16130 290 27 25.4 -9.2 | 261 11 10.6 1.6 12 70 18380 305 21 17.2 -12.0 | 296 3 2.4 -1.2 13 50 20500 295 17 15.4 -7.2 | 190 4 0.7 3.7 14 30 23720 305 19 15.6 -10.9 | 272 1 0.8 -0.0 15 20 26260 300 27 23.4 -13.5 | 287 9 8.6 -2.6 Wind Parameters Mean winds (0-6000m): 276.4 at 24.4 knts Storm direction: 306.4 at 18.3 knts Shear (0-3000m) pos: 4.4 neg: 1.3 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 89.2 deg Storm rel helicity (0-3000m) pos: 211.7 neg: -28.2 tot: 183.5 m^2/s^2 ave: 61.2 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 5.9 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 4.84 Bulk Shear: 10.07 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 17 189 13| 33.1 0.0 33.1|174.8 0.0 174.8 349.6 0.99| 36.3 35.8 1000 270 24 220 14| 14.6 0.0 14.6|203.6 0.0 203.6 203.6 0.89| 23.5 20.9 1500 276 25 230 13| 8.9 0.0 8.9|210.6 -5.1 205.5 137.0 0.80| 17.6 14.1 2000 278 25 234 13| 6.7 0.8 7.5|210.6 -14.2 196.4 98.2 0.70| 14.0 9.8 2500 278 25 233 13| 5.3 1.3 6.6|210.6 -23.3 187.3 74.9 0.61| 11.8 7.2 3000 277 25 231 13| 4.4 1.3 5.7|211.7 -28.2 183.5 61.2 0.58| 10.2 5.9 4000 276 24 229 13| 3.5 0.9 4.4|217.3 -28.2 189.1 47.3 0.58| 7.9 4.6 5000 276 24 229 13| 2.9 0.8 3.7|222.9 -28.2 194.7 38.9 0.59| 6.5 3.9 6000 276 24 229 13| 2.4 0.8 3.2|224.6 -36.2 188.4 31.4 0.54| 5.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20250422.00.gif