UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 19 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 1013 49 -7.9 -10.1 84 2.2 -8.5 135 1 264.3 264.6 263.9 269.0 1.75 1 1000 150 -3.7 -7.5 75 3.8 -4.9 195 11 269.5 269.8 268.2 275.4 2.17 2 997 174 -2.1 -7.1 69 5.0 -3.7 197 11 271.3 271.7 269.6 277.4 2.25 3 960 473 -4.9 -17.9 35 13.0 -8.0 221 13 271.4 271.6 267.5 274.2 0.97 4 941 630 -6.1 -18.1 38 12.0 -8.9 234 14 271.7 271.9 267.7 274.5 0.98 5 925 764 -7.1 -19.1 38 12.0 -9.8 245 15 272.0 272.2 267.8 274.7 0.91 6 850 1420 -12.5 -22.5 43 10.0 -14.4 290 9 273.1 273.2 268.1 275.2 0.74 7 842 1492 -13.3 -22.3 47 9.0 -15.0 290 9 273.0 273.1 268.1 275.2 0.76 8 835 1555 -13.5 -22.5 47 9.0 -15.2 291 10 273.4 273.5 268.4 275.6 0.75 9 700 2880 -19.5 -37.5 19 18.0 -21.5 300 17 280.9 280.9 272.1 281.6 0.22 10 670 3203 -21.1 -40.1 16 19.0 -23.0 305 20 282.6 282.7 273.0 283.2 0.17 11 666 3247 -21.5 -41.5 15 20.0 -23.4 306 21 282.7 282.7 273.0 283.2 0.15 12 603 3972 -24.7 -41.7 19 17.0 -26.2 318 28 287.1 287.2 275.5 287.7 0.16 13 526 4952 -30.3 -47.3 17 17.0 -31.4 334 38 291.8 291.9 277.7 292.2 0.10 14 500 5310 -32.9 -47.9 21 15.0 -33.8 340 42 292.9 292.9 278.3 293.3 0.10 15 421 6509 -38.3 -53.3 19 15.0 -38.9 352 83 300.8 300.8 281.8 301.0 0.06 16 400 6860 -40.1 -55.1 19 15.0 -40.7 355 95 302.9 302.9 282.6 303.1 0.05 17 334 8073 -46.1 -58.1 24 12.0 -46.4 358 108 310.7 310.7 285.7 310.9 0.04 18 300 8780 -49.9 -61.9 23 12.0 -50.1 360 116 315.0 315.0 287.1 315.1 0.03 19 290 9000 -50.9 -62.9 23 12.0 -51.1 360 118 316.7 316.7 287.7 316.8 0.03 20 278 9274 -52.1 -64.1 22 12.0 -52.3 360 108 318.8 318.8 288.3 318.9 0.02 21 250 9960 -51.7 -63.7 22 12.0 -52.0 355 93 329.2 329.2 291.5 329.3 0.03 22 237 10305 -52.7 -64.7 22 12.0 -52.9 355 88 332.8 332.8 292.5 332.9 0.03 23 200 11400 -51.7 -64.7 20 13.0 -52.0 355 71 350.9 350.9 296.8 351.0 0.03 24 150 13270 -50.7 -67.7 12 17.0 -51.2 350 48 382.7 382.7 302.7 382.8 0.03 25 100 15900 -51.9 -69.9 10 18.0 -52.6 340 35 427.4 427.5 308.6 427.6 0.03 26 97 16098 -51.7 -70.7 9 19.0 -52.4 340 34 431.6 431.6 309.0 431.7 0.03 27 74 17859 -51.9 -71.9 7 20.0 -52.8 340 25 465.9 465.9 312.3 466.1 0.03 28 70 18220 -51.5 -71.5 7 20.0 -52.5 340 23 474.2 474.2 313.0 474.4 0.04 29 50 20390 -52.1 -73.1 6 21.0 -53.4 335 23 520.7 520.7 316.4 520.9 0.04 30 49 20521 -52.3 -73.3 6 21.0 -53.6 334 23 523.2 523.3 316.5 523.5 0.04 31 30 23690 -54.5 -75.5 6 21.0 -56.1 320 19 596.1 596.1 320.5 596.4 0.05 32 28 24131 -53.9 -74.9 6 21.0 -55.7 316 19 609.6 609.6 321.0 610.0 0.05 33 20 26280 -55.1 -78.1 4 23.0 -57.2 295 21 667.5 667.5 323.3 667.9 0.05 34 16 27706 -54.9 -77.9 4 23.0 -57.5 712.2 712.2 324.8 712.7 0.06 TRP 278 9274 -52.1 -64.1 22 12.0 -52.3 360 108 318.8 318.8 288.3 318.9 0.02 WND 290 9000 -50.9 -62.9 23 12.0 -51.1 360 118 316.7 316.7 287.7 316.8 0.03 Sounding variables and indices 1000-500 mb thick: 5160.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 29.15 % Est. max temperature: 0.74 C = 33.33 F Sfc-Lift cond lev (LCL): 977.98 mb = 326.20 m = 1070.21 ft T: -3.53 C 700-500 lapse rate: 5.51 C/km ThetaE index: 3.26 C Layer 960.0- 941.0 mb Conv cond level (CCL): 756.16 mb = 2300.35 m = 7547.00 ft Mean mixing ratio: 1.35 g/kg Conv temperature: 5.48 C = 41.86 F Cap Strength: 14.56 C Lifted Index: 15.13 C Risk: None Lifted Index @300 mb: 28.54 C Lifted Index @700 mb: 7.14 C Showalter Index: 14.80 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 10.40 C K Index: -20.10 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.89 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 67013.59 J/kg Cap Strength: 14.99 C Lift Cond Lev (LCL): 836.13 mb = 1545.18 m = 5069.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 19 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 1013 49 135 1 -0.7 0.7 | 171 19 -2.9 19.2 1 1000 150 195 11 2.8 10.6 | 181 29 0.6 29.1 2 925 764 245 15 13.6 6.3 | 205 27 11.4 24.8 3 850 1420 290 9 8.5 -3.1 | 202 17 6.2 15.4 4 700 2880 300 17 14.7 -8.5 | 231 16 12.5 10.0 5 500 5310 340 42 14.4 -39.5 | 330 24 12.1 -21.0 6 400 6860 355 95 8.3 -94.6 | 355 76 6.0 -76.1 7 300 8780 360 116 -0.0 -116.0 | 1 98 -2.2 -97.5 8 290 9000 360 118 -0.0 -118.0 | 1 100 -2.2 -99.5 9 278 9274 360 108 -0.0 -108.0 | 1 90 -2.2 -89.5 10 250 9960 355 93 8.1 -92.6 | 355 74 5.9 -74.1 11 200 11400 355 71 6.2 -70.7 | 356 52 3.9 -52.2 12 150 13270 350 48 8.3 -47.3 | 348 29 6.1 -28.8 13 100 15900 340 35 12.0 -32.9 | 326 17 9.7 -14.4 14 70 18220 340 23 7.9 -21.6 | 299 6 5.6 -3.1 15 50 20390 335 23 9.7 -20.8 | 287 8 7.5 -2.3 16 30 23690 320 19 12.2 -14.6 | 248 11 10.0 3.9 17 20 26280 295 21 19.0 -8.9 | 240 19 16.8 9.6 Wind Parameters Mean winds (0-6000m): 323.1 at 24.8 knts Storm direction: 353.1 at 18.6 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 67.0 deg Storm rel helicity (0-3000m) pos: 165.9 neg: -7.3 tot: 158.6 m^2/s^2 ave: 52.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 125.42 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 ------------------------------------------------------------------------------- 500 211 11 187 28| 14.1 0.0 14.1| 83.0 0.0 83.0 166.1 0.64| 18.6 11.9 1000 232 12 196 27| 6.7 0.0 6.7|122.9 0.0 122.9 122.9 0.61| 14.3 8.8 1500 245 12 200 25| 3.6 0.0 3.6|125.4 -7.3 118.1 78.7 0.47| 11.7 5.5 2000 257 12 203 23| 3.4 0.0 3.4|137.5 -7.3 130.2 65.1 0.51| 9.5 4.9 2500 268 12 207 21| 3.3 0.0 3.3|149.6 -7.3 142.3 56.9 0.55| 8.2 4.5 3000 276 13 211 20| 3.4 0.0 3.4|165.9 -7.3 158.6 52.9 0.59| 7.5 4.4 4000 292 16 224 18| 3.9 0.0 3.9|218.5 -7.3 211.3 52.8 0.68| 7.2 4.9 5000 309 19 244 14| 4.1 0.0 4.1|286.1 -7.3 278.9 55.8 0.73| 7.2 5.3 6000 323 25 276 13| 5.8 0.0 5.8|395.8 -7.3 388.5 64.7 0.64| 8.6 5.5 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250419.00.gif