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 U0744... Searching the city database file for: U0744 ... Date:0000Z 22 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 ------------------------------------------------------------------------------- SFC 1009 17 -8.7 -13.4 69 4.7 -9.8 0 0 263.8 264.0 262.8 267.4 1.35 1 1000 87 -7.7 -13.7 62 6.0 -9.2 355 1 265.5 265.7 264.0 269.1 1.32 2 986 197 -7.3 -14.3 57 7.0 -9.0 352 2 266.9 267.1 265.0 270.5 1.28 3 925 689 -11.5 -15.6 72 4.1 -12.4 340 7 267.5 267.7 265.3 271.0 1.22 4 850 1331 -17.1 -20.9 72 3.8 -17.8 340 15 268.2 268.4 265.1 270.6 0.85 5 782 1950 -22.5 -24.7 82 2.2 -22.8 353 16 268.9 269.0 265.2 270.8 0.66 6 761 2150 -20.7 -22.9 82 2.2 -21.1 357 16 273.0 273.1 268.2 275.3 0.80 7 754 2218 -20.9 -23.1 82 2.2 -21.2 359 16 273.5 273.6 268.5 275.8 0.79 8 700 2764 -23.9 -28.1 68 4.2 -24.4 10 17 276.0 276.1 269.7 277.6 0.54 9 639 3422 -27.5 -34.5 51 7.0 -28.2 10 16 279.2 279.3 271.3 280.2 0.32 10 546 4533 -34.5 -39.1 63 4.6 -34.8 10 16 283.7 283.8 273.8 284.5 0.24 11 500 5140 -39.5 -43.6 65 4.1 -39.7 10 15 284.9 284.9 274.2 285.4 0.16 12 474 5506 -42.3 -45.9 68 3.6 -42.5 14 15 285.8 285.8 274.7 286.2 0.13 13 400 6640 -50.5 -54.1 66 3.6 -50.6 25 15 289.4 289.4 276.5 289.6 0.06 14 374 7075 -52.9 -56.7 63 3.8 -52.9 30 15 291.8 291.8 277.6 292.0 0.05 15 346 7576 -52.3 -56.1 63 3.8 -52.4 9 15 299.2 299.2 281.1 299.4 0.06 16 338 7728 -51.3 -55.0 65 3.7 -51.4 2 15 302.5 302.6 282.5 302.8 0.06 17 300 8510 -46.3 -51.2 57 4.9 -46.5 330 15 320.1 320.1 288.9 320.5 0.11 18 277 9042 -45.3 -51.3 51 6.0 -45.6 323 16 328.9 329.0 291.6 329.4 0.12 19 250 9730 -44.1 -53.1 36 9.0 -44.6 315 17 340.5 340.5 294.6 341.0 0.11 20 210 10902 -42.7 -56.7 20 14.0 -43.5 307 15 360.1 360.1 298.8 360.5 0.08 21 200 11230 -43.3 -58.3 18 15.0 -44.1 305 15 364.2 364.2 299.6 364.5 0.07 22 150 13160 -45.1 -66.1 8 21.0 -46.1 305 19 392.3 392.4 304.2 392.5 0.04 23 102 15719 -47.5 -71.5 5 24.0 -48.6 319 21 433.5 433.5 309.2 433.6 0.02 24 100 15850 -47.5 -71.5 5 24.0 -48.7 320 21 435.9 436.0 309.5 436.1 0.02 25 70 18190 -50.9 -73.9 5 23.0 -52.0 315 17 475.5 475.5 313.1 475.6 0.02 26 69 18284 -51.5 -74.5 5 23.0 -52.6 315 17 476.2 476.2 313.1 476.3 0.02 27 57 19527 -50.5 -74.5 4 24.0 -51.9 321 13 505.2 505.2 315.3 505.3 0.03 28 50 20380 -51.1 -74.1 5 23.0 -52.6 325 11 523.1 523.1 316.5 523.3 0.03 29 33 23061 -54.9 -77.9 4 23.0 -56.3 358 13 579.0 579.0 319.6 579.2 0.03 30 30 23670 -54.9 -77.9 4 23.0 -56.5 5 13 595.0 595.0 320.4 595.2 0.03 31 29 23886 -55.3 -78.3 4 23.0 -56.8 5 14 599.7 599.7 320.6 599.9 0.03 32 25 24835 -53.5 -76.5 4 23.0 -55.6 7 16 630.8 630.9 321.9 631.2 0.05 33 20 26270 -53.1 -76.1 4 23.0 -55.6 10 19 673.6 673.7 323.6 674.1 0.06 34 19 26601 -52.5 -75.5 5 23.0 -55.3 685.5 685.5 324.0 686.1 0.07 TRP 374 7075 -52.9 -56.7 63 3.8 -52.9 30 15 291.8 291.8 277.6 292.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5053.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 66.56 % Est. max temperature: -4.31 C = 24.25 F Sfc-Lift cond lev (LCL): 935.81 mb = 599.42 m = 1966.57 ft T: -10.74 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.31 C Layer 850.0- 782.0 mb Conv cond level (CCL): 861.87 mb = 1225.75 m = 4021.44 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -4.33 C = 24.20 F Cap Strength: 11.53 C Lifted Index: 12.04 C Risk: None Lifted Index @300 mb: 35.24 C Lifted Index @700 mb: 6.26 C Showalter Index: 11.87 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 18.60 C K Index: -2.70 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.00 J/kg Max Up Vert Vel: 4.24 m/s Conv Inhibition (B-): 56080.05 J/kg Cap Strength: 11.94 C Lift Cond Lev (LCL): 877.96 mb = 1085.25 m = 3560.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 at 11 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 1009 17 0 0 -0.0 -0.0 | 214 11 5.9 8.7 1 1000 87 355 1 0.1 -1.0 | 218 10 6.0 7.7 2 925 689 340 7 2.4 -6.6 | 255 9 8.3 2.2 3 850 1331 340 15 5.1 -14.1 | 296 12 11.0 -5.4 4 700 2764 10 17 -3.0 -16.7 | 340 9 2.9 -8.0 5 500 5140 10 15 -2.6 -14.8 | 332 7 3.3 -6.0 6 400 6640 25 15 -6.3 -13.6 | 5 5 -0.5 -4.9 7 374 7075 30 15 -7.5 -13.0 | 21 5 -1.6 -4.3 8 300 8510 330 15 7.5 -13.0 | 288 14 13.4 -4.3 9 250 9730 315 17 12.0 -12.0 | 280 18 17.9 -3.3 10 200 11230 305 15 12.3 -8.6 | 270 18 18.2 0.1 11 150 13160 305 19 15.6 -10.9 | 276 22 21.4 -2.2 12 100 15850 320 21 13.5 -16.1 | 291 21 19.4 -7.3 13 70 18190 315 17 12.0 -12.0 | 280 18 17.9 -3.3 14 50 20380 325 11 6.3 -9.0 | 271 12 12.2 -0.3 15 30 23670 5 13 -1.1 -13.0 | 312 6 4.7 -4.2 16 20 26270 10 19 -3.3 -18.7 | 346 10 2.6 -10.0 Wind Parameters Mean winds (0-6000m): 3.9 at 14.0 knts Storm direction: 33.9 at 10.5 knts Shear (0-3000m) pos: 1.6 neg: 1.9 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 125.3 deg Storm rel helicity (0-3000m) pos: 53.3 neg: -0.2 tot: 53.1 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 17.27 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 ------------------------------------------------------------------------------- 500 346 3 227 9| 0.0 5.4 5.4| 10.7 0.0 10.7 21.4 0.85| 5.5 4.7 1000 341 5 245 8| 0.0 5.7 5.7| 23.7 0.0 23.7 23.7 0.91| 5.8 5.2 1500 341 8 263 9| 1.5 3.8 5.3| 35.4 0.0 35.4 23.6 0.88| 5.5 4.8 2000 344 10 276 9| 1.5 2.9 4.4| 42.9 0.0 42.9 21.4 0.88| 4.9 4.3 2500 349 11 287 8| 1.7 2.3 3.9| 50.0 0.0 50.0 20.0 0.88| 4.5 4.0 3000 353 12 296 8| 1.6 1.9 3.5| 53.3 -0.2 53.1 17.7 0.88| 4.1 3.6 4000 359 13 306 8| 1.2 1.3 2.5| 53.3 -1.1 52.2 13.0 0.83| 3.2 2.6 5000 2 14 313 7| 0.9 1.0 1.9| 53.3 -2.1 51.2 10.2 0.78| 2.6 2.0 6000 4 14 317 7| 0.9 0.8 1.7| 56.4 -2.2 54.2 9.0 0.78| 2.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250422.00.gif