UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 30 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 -3 300 13 SFC 997 21 -3.1 -9.1 63 6.0 -5.0 300 13 270.3 270.6 268.4 275.6 1.92 2 983 132 -4.5 -14.5 46 10.0 -7.1 295 13 270.0 270.2 267.0 273.5 1.26 3 925 606 -9.1 -14.1 67 5.0 -10.4 275 15 270.0 270.2 267.3 273.9 1.39 4 884 955 -11.9 -15.5 75 3.6 -12.8 288 18 270.6 270.8 267.5 274.3 1.29 5 850 1253 -14.9 -19.1 70 4.2 -15.7 300 21 270.5 270.7 266.9 273.4 0.99 6 794 1765 -18.9 -23.2 69 4.3 -19.6 295 21 271.6 271.7 267.2 273.7 0.74 7 700 2695 -23.5 -27.9 67 4.4 -24.1 285 21 276.5 276.6 270.0 278.1 0.55 8 655 3177 -26.5 -30.8 67 4.3 -27.0 291 22 278.4 278.5 271.0 279.8 0.45 9 606 3736 -28.1 -38.1 38 10.0 -29.0 298 24 282.8 282.8 273.2 283.6 0.24 10 511 4939 -35.5 -41.5 54 6.0 -35.9 313 27 288.0 288.0 275.9 288.6 0.20 11 500 5090 -36.5 -42.5 54 6.0 -36.9 315 27 288.5 288.6 276.2 289.1 0.18 12 435 6034 -44.5 -50.5 51 6.0 -44.7 312 26 290.1 290.1 276.9 290.4 0.09 13 414 6363 -46.1 -52.1 51 6.0 -46.3 311 25 292.2 292.2 277.9 292.4 0.07 14 400 6590 -47.5 -53.5 50 6.0 -47.7 310 25 293.3 293.3 278.4 293.5 0.07 15 370 7104 -51.1 -58.1 43 7.0 -51.2 310 25 295.1 295.1 279.2 295.2 0.04 16 363 7229 -51.3 -58.3 43 7.0 -51.4 310 24 296.4 296.4 279.8 296.6 0.04 17 349 7488 -47.1 -54.1 45 7.0 -47.3 309 21 305.5 305.5 283.7 305.7 0.07 18 300 8500 -44.5 -54.5 32 10.0 -44.9 305 11 322.6 322.7 289.6 322.9 0.08 19 250 9730 -41.7 -58.7 14 17.0 -42.5 265 3 344.1 344.1 295.3 344.3 0.06 20 238 10063 -41.5 -60.5 11 19.0 -42.4 250 3 349.2 349.3 296.5 349.4 0.05 21 234 10178 -40.9 -60.9 10 20.0 -41.9 244 4 351.9 351.9 297.1 352.0 0.04 22 200 11240 -42.3 -66.3 6 24.0 -43.3 195 5 365.8 365.8 299.8 365.9 0.03 23 168 12417 -43.3 -68.3 5 25.0 -44.4 201 6 382.8 382.8 302.7 382.9 0.02 24 150 13180 -43.7 -68.7 5 25.0 -44.9 205 7 394.8 394.8 304.5 394.9 0.02 25 100 15900 -44.7 -69.7 4 25.0 -46.2 145 11 441.4 441.4 310.0 441.5 0.03 26 85 16982 -47.5 -71.5 5 24.0 -48.8 152 14 456.7 456.7 311.5 456.9 0.03 27 70 18270 -46.5 -70.5 5 24.0 -48.2 160 17 484.9 484.9 313.8 485.2 0.04 28 64 18865 -44.9 -68.9 5 24.0 -47.0 164 14 501.0 501.0 315.1 501.4 0.06 29 50 20500 -47.9 -71.9 5 24.0 -49.9 175 5 530.6 530.6 317.0 530.9 0.05 30 42 21655 -47.5 -71.5 5 24.0 -49.9 177 6 558.7 558.7 318.6 559.1 0.06 31 37 22492 -49.3 -73.3 4 24.0 -51.5 178 7 574.7 574.7 319.4 575.1 0.05 32 31 23662 -46.3 -70.3 5 24.0 -49.6 180 9 612.6 612.7 321.2 613.4 0.09 33 30 23880 -47.7 -71.7 5 24.0 -50.7 180 9 614.6 614.6 321.3 615.2 0.08 34 27 24573 -49.5 -73.5 4 24.0 -52.3 190 7 628.3 628.4 321.9 628.9 0.07 35 21 26228 -47.1 -71.1 5 24.0 -51.2 215 4 682.4 682.5 323.9 683.5 0.12 36 20 26550 -48.5 -72.5 5 24.0 -52.2 220 3 687.7 687.8 324.0 688.6 0.11 37 12 29950 -43.3 -68.3 5 25.0 -50.7 814.3 814.5 327.7 817.6 0.32 TRP 370 7104 -51.1 -58.1 43 7.0 -51.2 310 25 295.1 295.1 279.2 295.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5093.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 59.52 % Est. max temperature: -2.79 C = 26.98 F Sfc-Lift cond lev (LCL): 906.91 mb = 757.92 m = 2486.59 ft T: -10.32 C 700-500 lapse rate: 5.43 C/km ThetaE index: 2.06 C Layer 983.0- 925.0 mb Conv cond level (CCL): 842.78 mb = 1317.05 m = 4320.96 ft Mean mixing ratio: 1.37 g/kg Conv temperature: -2.71 C = 27.12 F Cap Strength: 11.88 C Lifted Index: 12.23 C Risk: None Lifted Index @300 mb: 34.55 C Lifted Index @700 mb: 3.84 C Showalter Index: 12.70 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 17.40 C K Index: -1.90 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.47 J/kg Max Up Vert Vel: 1.72 m/s Conv Inhibition (B-): 65630.61 J/kg Cap Strength: 12.22 C Lift Cond Lev (LCL): 850.50 mb = 1248.56 m = 4096.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 17 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 ---------------------------------------------------------- 0 997 21 300 13 11.3 -6.5 | 201 8 3.0 7.9 1 925 606 275 15 14.9 -1.3 | 207 15 6.7 13.1 2 850 1253 300 21 18.2 -10.5 | 249 11 9.9 3.9 3 700 2695 285 21 20.3 -5.4 | 233 15 12.0 9.0 4 500 5090 315 27 19.1 -19.1 | 293 12 10.8 -4.7 5 400 6590 310 25 19.2 -16.1 | 279 11 10.9 -1.7 6 370 7104 310 25 19.2 -16.1 | 279 11 10.9 -1.7 7 300 8500 305 11 9.0 -6.3 | 185 8 0.7 8.1 8 250 9730 265 3 3.0 0.3 | 160 16 -5.3 14.7 9 200 11240 195 5 1.3 4.8 | 160 20 -7.0 19.2 10 150 13180 205 7 3.0 6.3 | 166 21 -5.3 20.7 11 100 15900 145 11 -6.3 9.0 | 148 28 -14.6 23.4 12 70 18270 160 17 -5.8 16.0 | 155 33 -14.1 30.4 13 50 20500 175 5 -0.4 5.0 | 156 21 -8.7 19.4 14 30 23880 180 9 0.0 9.0 | 161 25 -8.3 23.4 15 20 26550 220 3 1.9 2.3 | 159 18 -6.3 16.7 Wind Parameters Mean winds (0-6000m): 300.1 at 22.1 knts Storm direction: 330.1 at 16.6 knts Shear (0-3000m) pos: 1.7 neg: 1.6 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 38.8 deg Storm rel helicity (0-3000m) pos: 37.9 neg: -10.5 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 10.78 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 ------------------------------------------------------------------------------- 500 288 14 206 11| 0.0 5.6 5.6| 3.0 0.0 3.0 5.9 0.21| 5.6 1.2 1000 285 15 212 12| 2.8 2.8 5.6| 22.1 0.0 22.1 22.1 0.54| 6.3 3.4 1500 291 17 222 11| 2.9 1.9 4.8| 32.2 -1.4 30.8 20.6 0.57| 5.7 3.2 2000 292 18 228 11| 2.2 1.9 4.0| 32.2 -5.2 27.1 13.5 0.45| 4.8 2.1 2500 291 19 230 12| 1.7 1.9 3.6| 32.2 -9.4 22.8 9.1 0.35| 4.2 1.5 3000 290 19 231 12| 1.7 1.6 3.2| 37.9 -10.5 27.4 9.1 0.37| 3.9 1.4 4000 292 20 236 12| 1.9 1.2 3.1| 56.8 -10.5 46.3 11.6 0.48| 3.6 1.8 5000 297 21 245 12| 2.1 0.9 3.0| 76.1 -10.5 65.6 13.1 0.57| 3.5 2.0 6000 300 22 253 11| 1.7 0.9 2.6| 77.3 -15.9 61.5 10.2 0.50| 3.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250430.12.gif