UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 26 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1000 49 9.8 8.6 92 1.2 9.2 20 3 283.0 284.2 282.3 302.3 7.02 1 978 233 8.0 5.4 84 2.6 6.7 59 4 282.9 283.9 280.8 298.9 5.75 2 969 309 10.0 7.4 84 2.6 8.6 75 4 285.7 286.9 283.1 304.3 6.67 3 925 694 9.0 6.6 85 2.4 7.7 155 5 288.5 289.7 284.2 307.2 6.62 4 850 1394 5.4 1.8 78 3.6 3.6 245 15 291.8 292.7 284.0 306.6 5.13 5 820 1686 4.2 0.9 79 3.3 2.6 244 19 293.5 294.4 284.6 308.1 4.98 6 700 2953 -2.7 -5.2 83 2.5 -3.8 240 38 299.5 300.2 285.6 310.7 3.71 7 696 2998 -2.9 -5.4 83 2.5 -4.0 240 38 299.8 300.4 285.7 310.9 3.67 8 576 4467 -11.9 -14.6 80 2.7 -12.8 243 37 305.9 306.3 286.3 312.7 2.14 9 500 5530 -20.3 -23.4 76 3.1 -21.0 245 36 308.3 308.5 286.1 312.1 1.16 10 459 6161 -25.3 -28.6 74 3.3 -25.9 245 38 309.7 309.8 286.2 312.3 0.79 11 400 7150 -33.3 -36.4 74 3.1 -33.6 245 40 311.7 311.8 286.5 313.2 0.42 12 344 8184 -42.5 -45.7 71 3.2 -42.7 250 43 313.0 313.0 286.6 313.6 0.19 13 300 9090 -50.1 -53.6 66 3.5 -50.2 255 46 314.7 314.8 287.1 315.1 0.09 14 262 9964 -58.1 -61.8 62 3.7 -58.2 248 46 315.4 315.4 287.3 315.6 0.04 15 250 10260 -60.1 -63.9 61 3.8 -60.2 245 46 316.7 316.7 287.7 316.8 0.03 16 233 10701 -62.3 -66.0 61 3.7 -62.3 250 46 319.8 319.8 288.7 319.9 0.02 17 231 10755 -62.3 -66.0 61 3.7 -62.3 251 46 320.6 320.6 288.9 320.7 0.02 18 204 11535 -59.1 -63.2 59 4.1 -59.2 259 44 337.3 337.3 293.7 337.4 0.04 19 200 11660 -58.3 -62.4 59 4.1 -58.4 260 44 340.4 340.4 294.5 340.6 0.04 20 190 11984 -54.3 -58.5 60 4.2 -54.4 263 44 351.9 351.9 297.1 352.2 0.08 21 151 13448 -54.3 -59.3 54 5.0 -54.5 275 44 375.8 375.8 301.6 376.2 0.09 22 150 13490 -54.3 -59.3 54 5.0 -54.5 275 44 376.5 376.5 301.8 376.9 0.09 23 119 14977 -54.5 -60.5 47 6.0 -54.8 275 34 401.9 401.9 305.5 402.4 0.09 24 100 16090 -55.7 -61.7 47 6.0 -55.9 275 27 420.1 420.1 307.8 420.6 0.09 25 90 16761 -56.5 -63.5 41 7.0 -56.8 278 25 431.4 431.4 309.0 431.8 0.08 26 83 17276 -56.3 -63.3 41 7.0 -56.6 280 24 441.9 441.9 310.1 442.4 0.09 27 70 18360 -55.9 -62.9 41 7.0 -56.3 285 21 464.8 464.8 312.3 465.5 0.12 28 65 18832 -54.9 -61.9 42 7.0 -55.4 285 19 476.9 477.0 313.2 477.8 0.14 29 50 20500 -56.7 -63.7 41 7.0 -57.2 285 13 509.9 509.9 315.7 510.8 0.15 30 42 21601 -56.7 -63.7 41 7.0 -57.3 276 12 535.9 536.0 317.3 537.1 0.17 31 30 23730 -56.3 -63.3 41 7.0 -57.1 260 11 591.2 591.2 320.3 593.0 0.26 32 22 25700 -56.3 -63.3 41 7.0 -57.3 646.0 646.1 322.6 648.8 0.35 TRP 233 10701 -62.3 -66.0 61 3.7 -62.3 250 46 319.8 319.8 288.7 319.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5481.22 m Freezing level: 746.96 mb = 2457.20 m = 8061.57 ft Wetbulb zero: 771.19 mb = 2177.41 m = 7143.65 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 80.98 % Est. max temperature: 18.65 C = 65.57 F Sfc-Lift cond lev (LCL): 982.09 mb = 198.19 m = 650.22 ft T: 8.34 C 700-500 lapse rate: 6.83 C/km ThetaE index: 3.41 C Layer 978.0- 969.0 mb Conv cond level (CCL): 835.47 mb = 1534.10 m = 5033.09 ft Mean mixing ratio: 6.48 g/kg Conv temperature: 19.49 C = 67.08 F Cap Strength: 5.54 C Lifted Index: 5.46 C Risk: None Lifted Index @300 mb: 7.30 C Lifted Index @700 mb: 4.14 C Showalter Index: 4.17 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.10 C K Index: 25.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 87.60 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.27 J/kg Max Up Vert Vel: 7.52 m/s Conv Inhibition (B-): 43256.71 J/kg Cap Strength: 5.58 C Lift Cond Lev (LCL): 914.72 mb = 786.56 m = 2580.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 21 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 1000 49 20 3 -1.0 -2.8 | 84 22 -21.9 -2.2 1 1000 50 20 3 -1.0 -2.8 | 84 22 -21.9 -2.2 2 925 694 155 5 -2.1 4.5 | 103 24 -23.0 5.1 3 850 1394 245 15 13.6 6.3 | 134 10 -7.3 6.9 4 700 2953 240 38 32.9 19.0 | 211 23 12.0 19.6 5 500 5530 245 36 32.6 15.2 | 217 20 11.7 15.8 6 400 7150 245 40 36.3 16.9 | 221 23 15.3 17.5 7 300 9090 255 46 44.4 11.9 | 242 27 23.5 12.5 8 250 10260 245 46 41.7 19.4 | 226 29 20.8 20.0 9 233 10701 250 46 43.2 15.7 | 234 28 22.3 16.3 10 200 11660 260 44 43.3 7.6 | 250 24 22.4 8.2 11 150 13490 275 44 43.8 -3.8 | 278 23 22.9 -3.2 12 100 16090 275 27 26.9 -2.4 | 286 6 6.0 -1.8 13 70 18360 285 21 20.3 -5.4 | 7 5 -0.6 -4.8 14 50 20500 285 13 12.6 -3.4 | 72 9 -8.4 -2.8 15 30 23730 260 11 10.8 1.9 | 104 10 -10.1 2.5 Wind Parameters Mean winds (0-6000m): 241.6 at 27.9 knts Storm direction: 271.6 at 20.9 knts Shear (0-3000m) pos: 3.3 neg: 3.6 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 127.4 deg Storm rel helicity (0-3000m) pos: 164.2 neg: 0.0 tot: 164.2 m^2/s^2 ave: 54.7 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 6.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.22 Bulk Shear: 129.93 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 87 4 91 25| 6.2 0.0 6.2| 36.2 0.0 36.2 72.5 0.80| 7.2 5.8 1000 166 5 104 23| 6.7 0.0 6.7| 90.7 0.0 90.7 90.7 0.84| 8.9 7.5 1500 224 8 113 17| 6.7 0.0 6.7|113.6 0.0 113.6 75.8 0.69| 10.4 7.1 2000 235 11 121 14| 5.0 1.9 6.9|132.4 0.0 132.4 66.2 0.74| 9.7 7.1 2500 238 15 135 12| 4.0 3.0 7.1|150.3 0.0 150.3 60.1 0.72| 9.3 6.7 3000 239 18 152 11| 3.3 3.6 6.9|164.2 0.0 164.2 54.7 0.68| 8.8 6.0 4000 240 23 175 12| 2.4 2.7 5.1|168.6 0.0 168.6 42.1 0.68| 6.8 4.6 5000 241 26 187 13| 1.9 2.1 4.0|172.6 0.0 172.6 34.5 0.67| 5.6 3.8 6000 242 28 195 14| 1.5 1.9 3.4|177.6 0.0 177.6 29.6 0.67| 4.8 3.2 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250426.00.gif