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 U8275... Searching the city database file for: U8275 ... Date:0000Z 22 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 1011 48 4.0 -2.0 65 6.0 1.5 135 5 276.3 276.8 274.2 285.3 3.26 1 1000 136 2.0 -1.9 75 3.9 0.4 160 13 275.1 275.7 273.6 284.3 3.32 2 991 209 2.0 -2.3 73 4.3 0.3 169 15 275.9 276.4 273.9 284.8 3.25 3 925 770 6.0 4.1 88 1.9 5.1 235 31 285.4 286.4 281.8 301.0 5.55 4 907 931 6.0 4.2 88 1.8 5.1 242 30 287.1 288.0 282.7 303.2 5.70 5 850 1462 4.0 1.1 81 2.9 2.6 265 27 290.3 291.2 283.1 304.4 4.87 6 764 2322 -0.5 -3.1 83 2.6 -1.6 279 32 294.5 295.2 283.9 306.2 3.98 7 700 3016 -4.7 -8.1 77 3.4 -6.0 290 36 297.3 297.8 283.9 306.2 2.96 8 541 4995 -17.1 -20.2 77 3.1 -17.9 275 34 305.2 305.5 285.2 309.8 1.42 9 500 5580 -21.9 -25.0 76 3.1 -22.5 270 33 306.3 306.5 285.2 309.7 1.00 10 427 6720 -31.3 -34.7 72 3.4 -31.7 266 37 308.5 308.6 285.4 310.1 0.47 11 400 7180 -34.7 -38.2 70 3.5 -35.0 265 38 309.9 310.0 285.7 311.1 0.35 12 337 8346 -45.9 -49.7 65 3.8 -46.0 271 42 310.2 310.2 285.5 310.6 0.12 13 300 9110 -51.3 -55.1 64 3.8 -51.4 275 44 313.0 313.1 286.5 313.3 0.07 14 274 9697 -55.9 -60.1 59 4.2 -56.0 275 47 314.6 314.6 287.0 314.8 0.04 15 250 10280 -59.5 -63.9 56 4.4 -59.6 275 50 317.6 317.6 288.0 317.7 0.03 16 249 10305 -59.9 -64.3 56 4.4 -60.0 275 50 317.4 317.4 287.9 317.5 0.03 17 204 11547 -62.3 -66.9 54 4.6 -62.4 280 43 332.2 332.2 292.3 332.3 0.02 18 200 11670 -59.7 -64.4 54 4.7 -59.8 280 42 338.2 338.2 293.9 338.4 0.03 19 188 12059 -57.5 -62.5 53 5.0 -57.6 283 42 347.8 347.8 296.2 348.0 0.05 20 157 13207 -53.7 -58.7 54 5.0 -53.9 293 40 372.7 372.7 301.1 373.1 0.09 21 150 13500 -54.3 -60.3 48 6.0 -54.5 295 40 376.5 376.5 301.8 376.9 0.08 22 100 16080 -55.5 -62.5 41 7.0 -55.8 300 31 420.5 420.5 307.8 420.9 0.09 23 93 16544 -55.5 -62.5 41 7.0 -55.8 301 30 429.3 429.3 308.8 429.8 0.09 24 73 18092 -55.7 -61.7 47 6.0 -56.1 304 26 459.7 459.7 311.8 460.4 0.13 25 70 18360 -56.3 -62.3 47 6.0 -56.6 305 25 463.9 464.0 312.2 464.7 0.13 26 50 20490 -55.7 -61.7 47 6.0 -56.2 295 19 512.2 512.3 315.9 513.4 0.19 27 39 22061 -58.3 -64.3 46 6.0 -58.7 295 20 543.4 543.4 317.8 544.5 0.17 28 30 23710 -58.5 -64.5 46 6.0 -59.1 295 21 585.2 585.2 320.0 586.7 0.22 29 27 24374 -57.7 -63.7 46 6.0 -58.4 605.3 605.4 320.9 607.3 0.27 TRP 249 10305 -59.9 -64.3 56 4.4 -60.0 275 50 317.4 317.4 287.9 317.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5444.00 m Freezing level: 773.56 mb = 2226.38 m = 7304.31 ft Wetbulb zero: 797.04 mb = 1980.61 m = 6497.97 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 79.21 % Est. max temperature: 17.44 C = 63.40 F Sfc-Lift cond lev (LCL): 921.42 mb = 801.80 m = 2630.54 ft T: 6.00 C 700-500 lapse rate: 6.71 C/km ThetaE index: 1.02 C Layer 1000.0- 991.0 mb Conv cond level (CCL): 734.00 mb = 2639.73 m = 8660.43 ft Mean mixing ratio: 4.36 g/kg Conv temperature: 23.54 C = 74.37 F Cap Strength: 12.26 C Lifted Index: 12.42 C Risk: None Lifted Index @300 mb: 14.54 C Lifted Index @700 mb: 9.23 C Showalter Index: 4.07 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.00 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 100.20 Risk: None Energy Index: 1.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.91 J/kg Max Up Vert Vel: 7.47 m/s Conv Inhibition (B-): 44074.31 J/kg Cap Strength: 12.35 C Lift Cond Lev (LCL): 919.14 mb = 822.16 m = 2697.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 24 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 1011 48 135 5 -3.5 3.5 | 125 28 -23.5 16.1 1 1000 136 160 13 -4.4 12.2 | 136 35 -24.4 24.8 2 925 770 235 31 25.4 17.8 | 190 31 5.5 30.4 3 850 1462 265 27 26.9 2.4 | 205 17 7.0 15.0 4 700 3016 290 36 33.8 -12.3 | 269 14 13.9 0.3 5 500 5580 270 33 33.0 -0.0 | 226 18 13.1 12.6 6 400 7180 265 38 37.9 3.3 | 228 24 17.9 15.9 7 300 9110 275 44 43.8 -3.8 | 250 25 23.9 8.8 8 250 10280 275 50 49.8 -4.4 | 255 31 29.9 8.3 9 249 10305 275 50 49.8 -4.4 | 255 31 29.9 8.3 10 200 11670 280 42 41.4 -7.3 | 256 22 21.4 5.3 11 150 13500 295 40 36.3 -16.9 | 285 17 16.3 -4.3 12 100 16080 300 31 26.8 -15.5 | 293 8 6.9 -2.9 13 70 18360 305 25 20.5 -14.3 | 342 2 0.6 -1.7 14 50 20490 295 19 17.2 -8.0 | 150 5 -2.7 4.6 15 30 23710 295 21 19.0 -8.9 | 167 4 -0.9 3.7 Wind Parameters Mean winds (0-6000m): 272.3 at 31.4 knts Storm direction: 302.3 at 23.6 knts Shear (0-3000m) pos: 7.0 neg: 0.0 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 143.6 deg Storm rel helicity (0-3000m) pos: 453.7 neg: 0.0 tot: 453.7 m^2/s^2 ave: 151.2 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 10.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.18 Bulk Shear: 153.74 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 ------------------------------------------------------------------------------- 500 189 17 150 34| 24.5 0.0 24.5|234.8 0.0 234.8 469.5 0.90| 29.4 26.3 1000 223 23 172 30| 16.3 0.0 16.3|375.7 0.0 375.7 375.7 0.86| 25.3 21.7 1500 237 25 182 26| 10.6 0.0 10.6|396.4 0.0 396.4 264.3 0.78| 20.2 15.8 2000 247 26 189 23| 8.8 0.0 8.8|415.6 0.0 415.6 207.8 0.79| 16.5 13.1 2500 255 27 198 20| 7.7 0.0 7.7|435.1 0.0 435.1 174.0 0.81| 14.3 11.5 3000 263 28 207 18| 7.0 0.0 7.0|453.7 0.0 453.7 151.2 0.82| 12.8 10.5 4000 270 30 219 16| 5.2 0.6 5.9|453.7 -18.4 435.3 108.8 0.71| 10.2 7.3 5000 272 31 224 16| 4.2 1.0 5.2|453.7 -37.1 416.6 83.3 0.62| 8.7 5.3 6000 272 31 225 16| 3.5 1.1 4.6|455.2 -47.0 408.2 68.0 0.57| 7.6 4.3 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250422.00.gif