UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 25 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 1005 20 -6.7 -9.9 78 3.2 -7.6 40 7 266.1 266.4 265.3 270.9 1.79 1 1000 59 -7.1 -13.1 62 6.0 -8.6 25 9 266.0 266.3 264.6 269.9 1.39 2 998 75 -7.1 -14.1 57 7.0 -8.8 24 9 266.2 266.4 264.4 269.7 1.28 3 925 661 -12.1 -17.1 66 5.0 -13.2 340 13 266.9 267.1 264.6 269.9 1.08 4 872 1109 -16.1 -18.7 80 2.6 -16.6 340 14 267.3 267.5 264.7 270.1 1.00 5 850 1301 -16.9 -19.2 82 2.3 -17.3 340 15 268.4 268.6 265.5 271.2 0.98 6 840 1390 -16.7 -19.1 82 2.4 -17.1 334 15 269.6 269.7 266.3 272.4 1.00 7 827 1507 -18.9 -21.2 82 2.3 -19.3 327 14 268.4 268.6 265.2 270.9 0.85 8 743 2301 -21.1 -33.1 33 12.0 -22.5 274 9 274.4 274.5 268.2 275.4 0.32 9 732 2411 -21.5 -33.5 33 12.0 -22.8 267 9 275.1 275.2 268.7 276.1 0.31 10 700 2739 -23.5 -33.5 39 10.0 -24.6 245 7 276.5 276.5 269.6 277.5 0.32 11 581 4080 -30.9 -38.9 45 8.0 -31.5 228 17 282.9 283.0 273.3 283.7 0.23 12 510 4993 -36.9 -45.9 39 9.0 -37.4 217 24 286.4 286.4 275.0 286.8 0.12 13 500 5130 -37.9 -46.9 38 9.0 -38.3 215 25 286.8 286.8 275.2 287.2 0.11 14 400 6640 -46.9 -54.9 40 8.0 -47.1 225 33 294.0 294.0 278.7 294.2 0.06 15 346 7589 -52.1 -59.1 43 7.0 -52.2 225 36 299.4 299.5 281.1 299.6 0.04 16 304 8433 -48.5 -56.5 39 8.0 -48.7 234 28 315.8 315.8 287.4 316.0 0.06 17 300 8520 -48.5 -56.5 39 8.0 -48.7 235 27 317.0 317.0 287.8 317.2 0.06 18 250 9720 -45.1 -56.1 28 11.0 -45.6 240 21 339.0 339.0 294.1 339.3 0.08 19 238 10050 -44.1 -57.1 22 13.0 -44.7 243 19 345.3 345.3 295.7 345.6 0.07 20 200 11220 -44.1 -61.1 13 17.0 -44.9 255 13 362.9 363.0 299.3 363.2 0.05 21 190 11563 -44.7 -62.7 12 18.0 -45.5 251 12 367.3 367.3 300.1 367.5 0.04 22 150 13140 -45.9 -66.9 8 21.0 -46.8 235 7 391.0 391.0 303.9 391.1 0.03 23 120 14624 -46.1 -69.1 6 23.0 -47.2 229 5 416.4 416.4 307.3 416.5 0.03 24 100 15830 -48.3 -72.3 5 24.0 -49.4 225 3 434.4 434.4 309.3 434.5 0.02 25 70 18180 -49.3 -73.3 4 24.0 -50.6 115 5 478.9 478.9 313.4 479.1 0.03 26 50 20380 -49.7 -73.7 4 24.0 -51.4 95 9 526.4 526.4 316.7 526.6 0.04 27 39 22004 -51.3 -74.3 5 23.0 -53.1 100 18 561.1 561.1 318.7 561.4 0.04 28 30 23720 -49.3 -73.3 4 24.0 -52.0 105 27 610.2 610.3 321.1 610.7 0.06 29 23 25470 -46.3 -70.3 5 24.0 -50.4 95 32 667.2 667.3 323.3 668.3 0.13 30 21 26070 -49.1 -73.1 4 24.0 -52.6 92 34 676.4 676.4 323.7 677.2 0.09 31 20 26390 -47.9 -71.9 5 24.0 -51.8 90 35 689.6 689.6 324.1 690.5 0.12 32 17 27464 -47.1 -71.1 5 24.0 -51.8 724.9 725.0 325.3 726.3 0.15 TRP 346 7589 -52.1 -59.1 43 7.0 -52.2 225 36 299.4 299.5 281.1 299.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5071.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 51.90 % Est. max temperature: -4.58 C = 23.75 F Sfc-Lift cond lev (LCL): 955.10 mb = 413.81 m = 1357.63 ft T: -9.99 C 700-500 lapse rate: 6.02 C/km ThetaE index: 1.54 C Layer 827.0- 743.0 mb Conv cond level (CCL): 836.70 mb = 1419.32 m = 4656.49 ft Mean mixing ratio: 1.18 g/kg Conv temperature: -3.48 C = 25.73 F Cap Strength: 13.82 C Lifted Index: 14.05 C Risk: None Lifted Index @300 mb: 33.39 C Lifted Index @700 mb: 7.07 C Showalter Index: 13.00 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 18.70 C K Index: -8.20 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.47 J/kg Max Up Vert Vel: 2.22 m/s Conv Inhibition (B-): 63627.50 J/kg Cap Strength: 14.01 C Lift Cond Lev (LCL): 871.89 mb = 1109.82 m = 3641.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 at 12 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 1005 20 40 7 -4.5 -5.4 | 74 17 -16.4 -4.7 1 1000 59 25 9 -3.8 -8.2 | 64 17 -15.7 -7.5 2 925 661 340 13 4.4 -12.2 | 33 14 -7.4 -11.6 3 850 1301 340 15 5.1 -14.1 | 27 15 -6.7 -13.5 4 700 2739 245 7 6.3 3.0 | 123 7 -5.5 3.6 5 500 5130 215 25 14.3 20.5 | 187 21 2.5 21.1 6 400 6640 225 33 23.3 23.3 | 206 27 11.5 24.0 7 346 7589 225 36 25.5 25.5 | 208 29 13.6 26.1 8 300 8520 235 27 22.1 15.5 | 212 19 10.3 16.1 9 250 9720 240 21 18.2 10.5 | 210 13 6.3 11.1 10 200 11220 255 13 12.6 3.4 | 190 4 0.7 4.0 11 150 13140 235 7 5.7 4.0 | 127 8 -6.1 4.7 12 100 15830 225 3 2.1 2.1 | 106 10 -9.7 2.8 13 70 18180 115 5 -4.5 2.1 | 100 17 -16.4 2.8 14 50 20380 95 9 -9.0 0.8 | 94 21 -20.8 1.4 15 30 23720 105 27 -26.1 7.0 | 101 39 -37.9 7.6 16 20 26390 90 35 -35.0 0.0 | 91 47 -46.9 0.6 Wind Parameters Mean winds (0-6000m): 243.1 at 15.8 knts Storm direction: 273.1 at 11.9 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 68.5 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -61.5 tot: -53.2 m^2/s^2 ave: -17.7 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 71.26 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 7 10 54 16| 0.0 9.5 9.5| 0.0 -41.2 -41.2 -82.3 -0.96| 10.2 -9.7 1000 351 12 42 15| 0.0 6.3 6.3| 0.0 -52.6 -52.6 -52.6 -0.93| 6.9 -6.4 1500 346 13 37 15| 0.0 4.7 4.7| 0.0 -59.9 -59.9 -40.0 -0.81| 6.1 -5.0 2000 338 13 33 13| 0.0 3.8 3.8| 0.9 -61.5 -60.6 -30.3 -0.56| 6.6 -3.7 2500 333 12 33 12| 0.0 2.9 2.9| 4.3 -61.5 -57.1 -22.9 -0.31| 6.5 -2.0 3000 329 11 33 11| 0.0 2.7 2.7| 8.3 -61.5 -53.2 -17.7 -0.20| 6.2 -1.2 4000 301 12 19 6| 0.0 3.0 3.0| 19.8 -61.5 -41.6 -10.4 -0.04| 5.7 -0.2 5000 264 13 216 3| 0.0 3.2 3.2| 23.2 -62.2 -39.0 -7.8 -0.02| 5.4 -0.1 6000 243 16 196 8| 0.5 2.7 3.2| 50.6 -62.7 -12.1 -2.0 0.06| 5.1 0.3 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250425.00.gif