UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 20 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 1008 18 -5.3 -8.9 76 3.6 -6.4 225 1 267.2 267.6 266.3 272.5 1.93 1 1000 80 -5.7 -12.7 58 7.0 -7.5 235 1 267.5 267.7 265.6 271.4 1.44 2 998 96 -5.9 -14.9 49 9.0 -8.1 237 1 267.4 267.6 265.1 270.7 1.20 3 925 684 -11.5 -15.4 73 3.9 -12.4 310 7 267.5 267.8 265.3 271.0 1.25 4 908 826 -12.9 -16.2 76 3.3 -13.6 312 9 267.5 267.7 265.2 270.8 1.19 5 850 1324 -17.3 -21.3 71 4.0 -18.0 320 15 268.0 268.2 264.9 270.4 0.82 6 815 1638 -20.1 -23.5 74 3.4 -20.6 317 14 268.3 268.4 264.8 270.3 0.70 7 789 1878 -20.1 -23.3 76 3.2 -20.6 314 13 270.8 270.9 266.7 272.9 0.74 8 700 2762 -22.7 -36.7 27 14.0 -24.1 305 11 277.3 277.4 269.9 278.1 0.24 9 668 3104 -23.5 -39.5 22 16.0 -25.0 302 11 280.2 280.2 271.6 280.8 0.19 10 659 3202 -24.1 -40.1 21 16.0 -25.5 301 11 280.6 280.6 271.8 281.2 0.18 11 552 4471 -32.1 -45.1 26 13.0 -32.9 287 11 285.7 285.7 274.6 286.1 0.12 12 500 5160 -37.3 -47.3 35 10.0 -37.8 280 11 287.6 287.6 275.6 287.9 0.11 13 400 6660 -48.9 -54.9 50 6.0 -49.0 245 11 291.4 291.4 277.4 291.6 0.06 14 375 7083 -51.7 -57.7 49 6.0 -51.8 245 11 293.2 293.2 278.3 293.3 0.04 15 371 7153 -50.7 -56.7 49 6.0 -50.8 246 11 295.4 295.4 279.3 295.6 0.05 16 336 7802 -50.5 -57.5 43 7.0 -50.7 260 14 304.2 304.2 283.1 304.3 0.05 17 300 8550 -46.7 -55.7 35 9.0 -47.0 275 17 319.5 319.5 288.6 319.8 0.07 18 292 8728 -46.1 -56.1 31 10.0 -46.4 279 18 322.9 322.9 289.7 323.1 0.07 19 259 9524 -44.3 -58.3 20 14.0 -44.9 299 20 336.8 336.8 293.6 337.0 0.06 20 250 9760 -44.1 -59.1 17 15.0 -44.7 305 21 340.5 340.5 294.5 340.7 0.05 21 200 11260 -43.7 -65.7 7 22.0 -44.6 305 21 363.6 363.6 299.4 363.7 0.03 22 184 11820 -43.5 -68.5 5 25.0 -44.5 306 21 372.7 372.7 301.1 372.8 0.02 23 150 13190 -44.3 -69.3 5 25.0 -45.4 310 21 393.7 393.7 304.3 393.8 0.02 24 102 15750 -47.9 -71.9 5 24.0 -49.0 310 19 432.7 432.7 309.1 432.8 0.02 25 100 15880 -47.9 -71.9 5 24.0 -49.0 310 19 435.2 435.2 309.4 435.3 0.02 26 70 18230 -50.3 -74.3 4 24.0 -51.5 330 19 476.8 476.8 313.2 476.9 0.02 27 50 20420 -51.5 -74.5 5 23.0 -52.9 335 23 522.1 522.1 316.5 522.3 0.03 28 44 21246 -52.3 -75.3 5 23.0 -53.8 340 24 539.6 539.6 317.5 539.8 0.03 29 30 23710 -53.9 -76.9 4 23.0 -55.6 355 27 597.7 597.7 320.5 598.0 0.04 30 26 24630 -55.5 -77.5 5 22.0 -57.1 2 30 618.1 618.1 321.4 618.4 0.04 31 20 26320 -52.7 -75.7 5 23.0 -55.4 15 35 674.9 674.9 323.6 675.4 0.07 32 13 29131 -48.1 -72.1 5 24.0 -53.2 779.3 779.4 326.8 781.0 0.17 TRP 375 7083 -51.7 -57.7 49 6.0 -51.8 245 11 293.2 293.2 278.3 293.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5080.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 45.33 % Est. max temperature: -4.58 C = 23.75 F Sfc-Lift cond lev (LCL): 952.09 mb = 460.46 m = 1510.66 ft T: -9.37 C 700-500 lapse rate: 6.09 C/km ThetaE index: 1.73 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 865.86 mb = 1184.43 m = 3885.86 ft Mean mixing ratio: 1.26 g/kg Conv temperature: -4.65 C = 23.63 F Cap Strength: 12.76 C Lifted Index: 13.77 C Risk: None Lifted Index @300 mb: 34.43 C Lifted Index @700 mb: 6.99 C Showalter Index: 14.30 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 16.00 C K Index: -15.30 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.36 J/kg Max Up Vert Vel: 0.85 m/s Conv Inhibition (B-): 63115.64 J/kg Cap Strength: 13.79 C Lift Cond Lev (LCL): 871.29 mb = 1137.19 m = 3730.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 8 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 1008 18 225 1 0.7 0.7 | 155 8 -3.5 7.5 1 1000 80 235 1 0.8 0.6 | 155 8 -3.4 7.4 2 925 684 310 7 5.4 -4.5 | 206 3 1.1 2.3 3 850 1324 320 15 9.6 -11.5 | 311 7 5.4 -4.7 4 700 2762 305 11 9.0 -6.3 | 264 5 4.8 0.5 5 500 5160 280 11 10.8 -1.9 | 233 8 6.6 4.9 6 400 6660 245 11 10.0 4.6 | 207 13 5.7 11.5 7 375 7083 245 11 10.0 4.6 | 207 13 5.7 11.5 8 300 8550 275 17 16.9 -1.5 | 247 14 12.7 5.3 9 250 9760 305 21 17.2 -12.0 | 292 14 13.0 -5.2 10 200 11260 305 21 17.2 -12.0 | 292 14 13.0 -5.2 11 150 13190 310 21 16.1 -13.5 | 299 14 11.9 -6.7 12 100 15880 310 19 14.6 -12.2 | 298 12 10.3 -5.4 13 70 18230 330 19 9.5 -16.5 | 331 11 5.3 -9.6 14 50 20420 335 23 9.7 -20.8 | 339 15 5.5 -14.0 15 30 23710 355 27 2.4 -26.9 | 5 20 -1.9 -20.1 16 20 26320 15 35 -9.1 -33.8 | 26 30 -13.3 -27.0 Wind Parameters Mean winds (0-6000m): 298.2 at 10.7 knts Storm direction: 328.2 at 8.0 knts Shear (0-3000m) pos: 2.5 neg: 0.8 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.5 deg Storm rel helicity (0-3000m) pos: 14.8 neg: -7.6 tot: 7.2 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 8.50 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 ------------------------------------------------------------------------------- 500 279 3 168 6| 5.1 0.0 5.1| 7.9 0.0 7.9 15.9 0.77| 5.6 4.3 1000 308 6 182 3| 5.8 0.0 5.8| 11.9 0.0 11.9 11.9 0.74| 6.4 4.8 1500 314 8 237 2| 5.0 0.0 5.0| 14.8 -1.0 13.7 9.2 0.63| 5.8 3.7 2000 315 10 269 3| 3.7 0.5 4.2| 14.8 -3.7 11.1 5.6 0.49| 4.9 2.4 2500 314 10 275 3| 3.0 0.8 3.7| 14.8 -6.0 8.8 3.5 0.36| 4.3 1.6 3000 313 10 274 3| 2.5 0.8 3.3| 14.8 -7.6 7.2 2.4 0.29| 3.8 1.1 4000 309 11 267 4| 1.9 0.9 2.7| 14.8 -9.7 5.0 1.3 0.21| 3.1 0.6 5000 304 11 259 5| 1.5 0.9 2.4| 14.8 -12.4 2.4 0.5 0.14| 2.7 0.4 6000 298 11 251 5| 1.2 1.1 2.3| 14.8 -19.7 -4.9 -0.8 0.02| 2.6 0.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250420.12.gif