UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 27 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 1002 46 1.4 0.2 92 1.2 0.9 20 5 274.4 275.0 273.9 284.9 3.87 1 1000 62 1.4 -0.2 89 1.6 0.7 20 5 274.5 275.2 273.9 284.8 3.76 2 929 651 -3.7 -5.8 85 2.1 -4.4 48 13 275.2 275.6 272.6 282.6 2.66 3 925 685 -2.5 -4.5 86 2.0 -3.3 50 13 276.8 277.3 274.0 284.9 2.96 4 901 895 3.0 1.4 89 1.6 2.2 34 13 284.5 285.3 280.3 297.7 4.70 5 850 1366 4.8 -0.2 70 5.0 2.5 360 13 291.2 292.0 283.0 304.0 4.43 6 821 1650 6.0 -4.0 49 10.0 1.5 354 13 295.3 296.0 283.7 305.7 3.46 7 700 2942 0.4 -33.6 6 34.0 -7.2 325 11 302.9 303.0 283.0 304.0 0.32 8 687 3092 0.2 -34.8 5 35.0 -7.5 323 11 304.3 304.4 283.5 305.3 0.29 9 674 3244 -0.9 -34.9 6 34.0 -8.2 322 12 304.8 304.8 283.7 305.8 0.29 10 524 5190 -16.1 -39.1 12 23.0 -19.5 299 16 309.2 309.3 285.4 310.1 0.25 11 500 5540 -19.3 -43.3 10 24.0 -22.2 295 17 309.5 309.5 285.4 310.1 0.17 12 416 6874 -31.1 -51.1 12 20.0 -32.4 307 19 311.1 311.1 285.8 311.4 0.08 13 400 7150 -33.7 -52.7 13 19.0 -34.8 310 19 311.2 311.2 285.8 311.5 0.07 14 323 8612 -46.3 -60.3 19 14.0 -46.7 317 23 313.4 313.4 286.6 313.5 0.04 15 300 9100 -49.9 -63.9 18 14.0 -50.2 320 25 315.0 315.0 287.1 315.1 0.02 16 250 10270 -57.7 -69.7 20 12.0 -57.8 300 27 320.3 320.3 288.8 320.3 0.01 17 229 10820 -60.9 -72.9 19 12.0 -61.0 285 29 323.5 323.5 289.9 323.6 0.01 18 218 11130 -56.3 -68.3 21 12.0 -56.5 280 30 335.2 335.2 293.2 335.3 0.02 19 202 11616 -54.9 -66.9 21 12.0 -55.1 271 31 344.8 344.8 295.5 344.9 0.02 20 200 11680 -55.3 -67.3 21 12.0 -55.5 270 31 345.2 345.2 295.6 345.3 0.02 21 150 13530 -52.7 -66.7 17 14.0 -53.1 250 25 379.3 379.3 302.2 379.4 0.03 22 127 14610 -50.3 -66.3 13 16.0 -51.0 256 28 402.1 402.1 305.5 402.3 0.04 23 100 16160 -53.3 -70.3 11 17.0 -53.9 265 33 424.7 424.8 308.3 424.9 0.03 24 93 16624 -54.1 -72.1 9 18.0 -54.7 264 31 432.1 432.1 309.1 432.2 0.02 25 70 18440 -54.3 -74.3 7 20.0 -55.1 260 25 468.2 468.2 312.5 468.4 0.02 26 50 20590 -55.1 -75.1 7 20.0 -56.1 285 17 513.6 513.6 315.9 513.8 0.03 27 41 21853 -57.3 -78.3 5 21.0 -58.2 273 15 538.1 538.1 317.4 538.3 0.02 28 30 23840 -55.3 -76.3 6 21.0 -56.8 255 11 593.9 593.9 320.3 594.2 0.04 29 23 25538 -55.7 -77.7 5 22.0 -57.5 209 7 639.6 639.6 322.3 639.9 0.04 30 20 26440 -51.1 -74.1 5 23.0 -54.1 185 5 679.8 679.8 323.8 680.5 0.08 31 18 27121 -53.1 -76.1 4 23.0 -55.9 181 7 694.2 694.3 324.3 694.8 0.07 32 15 28315 -45.9 -69.9 5 24.0 -51.4 175 10 755.3 755.4 326.1 757.3 0.21 33 13 29261 -48.5 -72.5 5 24.0 -53.5 169 12 777.9 778.0 326.7 779.5 0.16 34 12 29794 -42.7 -67.7 5 25.0 -50.3 167 14 816.5 816.6 327.7 820.0 0.35 35 10 31030 -40.5 -66.5 4 26.0 -49.9 160 17 868.4 868.6 328.9 873.8 0.50 36 8.4 32217 -41.1 -67.1 4 26.0 -51.0 910.4 910.7 329.7 916.6 0.55 TRP 229 10820 -60.9 -72.9 19 12.0 -61.0 285 29 323.5 323.5 289.9 323.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5478.00 m Freezing level: 980.51 mb = 223.62 m = 733.65 ft Freezing level: 914.09 mb = 780.35 m = 2560.16 ft Freezing level: 684.64 mb = 3119.36 m = 10234.01 ft Wetbulb zero: 990.05 mb = 141.98 m = 465.79 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 33.40 % Est. max temperature: 17.92 C = 64.25 F Sfc-Lift cond lev (LCL): 983.36 mb = 196.15 m = 643.52 ft T: 0.24 C 700-500 lapse rate: 7.58 C/km ThetaE index: 2.33 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 943.98 mb = 522.90 m = 1715.55 ft Mean mixing ratio: 3.35 g/kg Conv temperature: 2.06 C = 35.71 F Cap Strength: 20.62 C Lifted Index: 20.38 C Risk: None Lifted Index @300 mb: 20.98 C Lifted Index @700 mb: 19.13 C Showalter Index: 6.87 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.10 C K Index: -10.10 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 1.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.44 J/kg Max Up Vert Vel: 7.80 m/s Conv Inhibition (B-): 63529.40 J/kg Cap Strength: 20.58 C Lift Cond Lev (LCL): 926.71 mb = 670.34 m = 2199.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 10 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 1002 46 20 5 -1.7 -4.7 | 157 6 -2.2 5.1 1 1000 62 20 5 -1.7 -4.7 | 157 6 -2.2 5.1 2 925 685 50 13 -10.0 -8.4 | 98 11 -10.4 1.5 3 850 1366 360 13 -0.0 -13.0 | 9 3 -0.5 -3.2 4 700 2942 325 11 6.3 -9.0 | 262 6 5.8 0.8 5 500 5540 295 17 15.4 -7.2 | 260 15 14.9 2.6 6 400 7150 310 19 14.6 -12.2 | 280 14 14.1 -2.4 7 300 9100 320 25 16.1 -19.2 | 301 18 15.6 -9.3 8 250 10270 300 27 23.4 -13.5 | 279 23 22.9 -3.7 9 229 10820 285 29 28.0 -7.5 | 265 28 27.5 2.3 10 200 11680 270 31 31.0 -0.0 | 252 32 30.5 9.8 11 150 13530 250 25 23.5 8.6 | 231 29 23.0 18.4 12 100 16160 265 33 32.9 2.9 | 249 35 32.4 12.7 13 70 18440 260 25 24.6 4.3 | 240 28 24.1 14.2 14 50 20590 285 17 16.4 -4.4 | 251 17 15.9 5.4 15 30 23840 255 11 10.6 2.8 | 219 16 10.1 12.7 16 20 26440 185 5 0.4 5.0 | 180 15 -0.0 14.8 17 10 31030 160 17 -5.8 16.0 | 166 27 -6.3 25.8 Wind Parameters Mean winds (0-6000m): 327.2 at 13.1 knts Storm direction: 357.2 at 9.8 knts Shear (0-3000m) pos: 1.2 neg: 2.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 106.1 deg Storm rel helicity (0-3000m) pos: 0.2 neg: -29.9 tot: -29.8 m^2/s^2 ave: -9.9 10^-3 m/s^2 rel: -0.76 Storm rel vorticity (0-3000m) horiz: 4.8 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.44 Bulk Shear: 21.15 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 36 8 123 6| 7.1 0.0 7.1| 0.0 -8.6 -8.6 -17.3 -0.79| 7.3 -5.8 1000 39 10 105 7| 3.6 2.3 5.9| 0.0 -18.6 -18.6 -18.6 -0.70| 7.4 -5.2 1500 27 11 89 6| 2.4 3.3 5.7| 0.0 -24.2 -24.2 -16.2 -0.75| 7.1 -5.3 2000 17 12 74 4| 1.8 2.9 4.7| 0.0 -26.1 -26.1 -13.1 -0.77| 6.0 -4.6 2500 10 12 57 3| 1.4 2.7 4.1| 0.0 -28.1 -28.1 -11.3 -0.77| 5.3 -4.1 3000 3 12 33 2| 1.2 2.5 3.6| 0.2 -29.9 -29.8 -9.9 -0.76| 4.8 -3.6 4000 351 12 320 2| 0.9 2.3 3.2| 0.8 -30.0 -29.2 -7.3 -0.66| 4.0 -2.7 5000 338 12 291 4| 0.7 2.2 2.9| 0.8 -32.0 -31.2 -6.2 -0.61| 3.6 -2.2 6000 327 13 280 7| 0.7 2.0 2.7| 6.8 -34.3 -27.5 -4.6 -0.53| 3.3 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250427.00.gif