UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 15 APR 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 4 0 0 SFC 998 20 -6.9 -10.9 73 4.0 -8.0 0 0 266.4 266.7 265.3 270.9 1.66 2 971 233 -6.7 -12.7 62 6.0 -8.3 358 5 268.7 268.9 266.5 272.8 1.48 3 925 610 -9.3 -15.3 62 6.0 -10.7 355 15 269.8 270.0 266.9 273.3 1.26 4 887 933 -11.9 -19.9 51 8.0 -13.5 350 17 270.4 270.5 266.6 272.9 0.89 5 850 1257 -14.3 -21.3 55 7.0 -15.6 345 19 271.2 271.3 267.0 273.5 0.82 6 820 1528 -16.7 -23.7 55 7.0 -17.9 339 20 271.4 271.5 267.0 273.4 0.69 7 736 2336 -19.9 -29.9 41 10.0 -21.2 319 22 276.5 276.5 269.8 277.8 0.43 8 700 2706 -22.5 -32.5 40 10.0 -23.7 310 23 277.6 277.6 270.3 278.7 0.36 9 602 3797 -28.9 -39.9 34 11.0 -29.8 308 22 282.4 282.4 272.9 283.0 0.20 10 580 4062 -30.3 -41.3 33 11.0 -31.1 307 22 283.8 283.8 273.6 284.4 0.18 11 500 5100 -37.3 -49.3 28 12.0 -37.8 305 21 287.6 287.6 275.5 287.9 0.09 12 454 5761 -41.7 -53.7 26 12.0 -42.1 296 38 290.1 290.1 276.8 290.3 0.06 13 411 6436 -41.5 -55.5 21 14.0 -42.0 287 55 298.7 298.7 280.8 298.9 0.05 14 400 6620 -42.5 -57.5 18 15.0 -43.0 285 60 299.8 299.8 281.3 299.9 0.04 15 358 7364 -45.5 -61.2 15 15.7 -45.9 285 66 305.4 305.4 283.6 305.5 0.03 16 342 7668 -46.7 -62.7 15 16.0 -47.1 285 64 307.8 307.8 284.5 307.9 0.02 17 300 8540 -45.1 -63.1 12 18.0 -45.6 290 52 321.8 321.8 289.3 321.9 0.03 18 287 8837 -44.3 -63.3 10 19.0 -44.9 291 51 327.0 327.0 290.9 327.1 0.03 19 274 9147 -45.7 -64.7 10 19.0 -46.2 292 50 329.4 329.4 291.6 329.5 0.02 20 260 9497 -45.5 -65.5 9 20.0 -46.1 294 49 334.6 334.7 293.0 334.7 0.02 21 255 9627 -43.9 -64.9 8 21.0 -44.6 294 48 338.9 338.9 294.1 339.0 0.02 22 250 9760 -43.7 -64.7 8 21.0 -44.4 295 48 341.1 341.1 294.6 341.2 0.03 23 221 10588 -42.9 -66.9 5 24.0 -43.8 295 47 354.6 354.6 297.6 354.7 0.02 24 200 11260 -43.1 -68.1 5 25.0 -44.0 295 46 364.5 364.5 299.6 364.6 0.02 25 196 11396 -43.3 -68.3 5 25.0 -44.3 295 46 366.3 366.3 299.9 366.4 0.02 26 150 13200 -43.1 -68.1 5 25.0 -44.3 295 44 395.8 395.8 304.6 395.9 0.03 27 132 14058 -43.7 -68.7 5 25.0 -45.0 298 42 409.5 409.5 306.5 409.6 0.03 28 111 15215 -45.9 -69.9 5 24.0 -47.1 302 40 426.1 426.1 308.4 426.3 0.03 29 100 15910 -44.9 -69.9 4 25.0 -46.4 305 38 441.0 441.0 310.0 441.1 0.03 30 91 16545 -43.5 -68.5 5 25.0 -45.3 306 36 455.8 455.8 311.4 456.0 0.04 31 70 18310 -44.7 -69.7 4 25.0 -46.7 310 29 488.8 488.8 314.1 489.0 0.05 32 64 18911 -43.1 -68.1 5 25.0 -45.6 310 28 505.0 505.0 315.3 505.4 0.06 33 64 18911 -43.3 -68.3 5 25.0 -45.8 310 28 504.5 504.5 315.3 504.9 0.06 34 56 19804 -46.1 -70.1 5 24.0 -48.3 310 28 517.8 517.8 316.2 518.1 0.05 35 55 19924 -46.3 -70.3 5 24.0 -48.4 310 28 520.0 520.0 316.3 520.3 0.05 36 50 20560 -43.9 -68.9 5 25.0 -46.7 310 27 540.0 540.0 317.5 540.5 0.07 37 46 21121 -43.1 -68.1 5 25.0 -46.3 309 28 555.0 555.0 318.4 555.6 0.09 38 35 22945 -47.7 -71.7 5 24.0 -50.4 307 33 588.1 588.1 320.1 588.6 0.07 39 30 23970 -44.9 -68.9 5 24.0 -48.7 305 36 622.2 622.3 321.6 623.2 0.12 40 25 25184 -43.9 -68.9 5 25.0 -48.5 307 35 658.4 658.5 323.0 659.6 0.14 41 21 26339 -47.7 -71.7 5 24.0 -51.6 309 33 680.6 680.7 323.8 681.6 0.11 42 20 26660 -47.7 -71.7 5 24.0 -51.7 310 33 690.2 690.2 324.1 691.2 0.12 43 16 28130 -48.7 -72.7 5 24.0 -53.0 732.4 732.4 325.4 733.6 0.13 44 14 29016 -44.7 -69.7 4 25.0 -50.9 774.5 774.6 326.7 776.7 0.23 TRP 342 7668 -46.7 -62.7 15 16.0 -47.1 285 64 307.8 307.8 284.5 307.9 0.02 WND 358 7364 -45.5 -61.2 15 15.7 -45.9 285 66 305.4 305.4 283.6 305.5 0.03 Sounding variables and indices 1000-500 mb thick: 5096.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 43.37 % Est. max temperature: -2.12 C = 28.18 F Sfc-Lift cond lev (LCL): 936.45 mb = 514.55 m = 1688.13 ft T: -8.64 C 700-500 lapse rate: 6.18 C/km ThetaE index: 0.42 C Layer 887.0- 850.0 mb Conv cond level (CCL): 832.30 mb = 1415.88 m = 4645.22 ft Mean mixing ratio: 1.35 g/kg Conv temperature: -1.98 C = 28.43 F Cap Strength: 9.93 C Lifted Index: 12.37 C Risk: None Lifted Index @300 mb: 34.74 C Lifted Index @700 mb: 5.72 C Showalter Index: 11.72 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 16.00 C K Index: -8.30 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.53 J/kg Max Up Vert Vel: 4.80 m/s Conv Inhibition (B-): 64883.24 J/kg Cap Strength: 12.30 C Lift Cond Lev (LCL): 862.35 mb = 1147.14 m = 3763.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 16 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 ---------------------------------------------------------- 0 998 20 0 0 -0.0 -0.0 | 164 16 -4.5 15.6 1 925 610 355 15 1.3 -14.9 | 101 3 -3.2 0.6 2 850 1257 345 19 4.9 -18.4 | 352 3 0.4 -2.8 3 700 2706 310 23 17.6 -14.8 | 267 13 13.1 0.8 4 500 5100 305 21 17.2 -12.0 | 255 13 12.7 3.5 5 400 6620 285 60 58.0 -15.5 | 270 53 53.4 0.0 6 358 7364 285 66 63.8 -17.1 | 271 59 59.2 -1.5 7 342 7668 285 64 61.8 -16.6 | 271 57 57.3 -1.0 8 300 8540 290 52 48.9 -17.8 | 273 44 44.3 -2.2 9 250 9760 295 48 43.5 -20.3 | 277 39 39.0 -4.7 10 200 11260 295 46 41.7 -19.4 | 276 37 37.2 -3.9 11 150 13200 295 44 39.9 -18.6 | 275 35 35.3 -3.0 12 100 15910 305 38 31.1 -21.8 | 283 27 26.6 -6.2 13 70 18310 310 29 22.2 -18.6 | 280 18 17.7 -3.1 14 50 20560 310 27 20.7 -17.4 | 276 16 16.2 -1.8 15 30 23970 305 36 29.5 -20.6 | 282 25 25.0 -5.1 16 20 26660 310 33 25.3 -21.2 | 285 22 20.7 -5.7 Wind Parameters Mean winds (0-6000m): 313.8 at 21.6 knts Storm direction: 343.8 at 16.2 knts Shear (0-3000m) pos: 0.0 neg: 3.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 101.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -33.0 tot: -33.0 m^2/s^2 ave: -11.0 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 5.8 stream: -3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 39.84 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 ------------------------------------------------------------------------------- 500 355 6 157 10| 0.0 13.1 13.1| 0.0 -12.3 -12.3 -24.7 -0.40| 13.1 -5.2 1000 353 11 145 6| 0.0 9.0 9.0| 0.0 -15.8 -15.8 -15.8 -0.53| 9.4 -5.0 1500 349 14 139 3| 0.0 6.8 6.8| 0.0 -18.5 -18.5 -12.3 -0.60| 7.7 -4.6 2000 343 15 172 1| 0.0 5.4 5.4| 0.0 -22.5 -22.5 -11.3 -0.60| 6.9 -4.1 2500 337 17 265 2| 0.0 4.6 4.6| 0.0 -28.7 -28.7 -11.5 -0.59| 6.5 -3.8 3000 331 18 269 4| 0.0 3.9 3.9| 0.0 -33.0 -33.0 -11.0 -0.59| 5.8 -3.4 4000 324 19 268 7| 0.0 2.8 2.8| 0.0 -37.0 -37.0 -9.3 -0.60| 4.5 -2.7 5000 320 19 265 8| 0.0 2.2 2.2| 0.0 -41.0 -41.0 -8.2 -0.61| 3.7 -2.3 6000 314 22 267 11| 0.0 3.8 3.8| 29.2 -41.2 -12.0 -2.0 -0.27| 5.2 -1.4 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250415.12.gif