UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 21 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 1007 19 -6.7 -8.8 85 2.1 -7.3 150 7 265.9 266.2 265.4 271.2 1.95 1 1000 73 -6.9 -11.9 67 5.0 -8.2 155 9 266.2 266.5 264.9 270.4 1.53 2 961 381 -10.5 -13.0 82 2.5 -11.1 178 12 265.7 265.9 264.4 269.6 1.46 3 925 675 -11.3 -13.5 84 2.2 -11.8 200 15 267.8 268.0 265.8 271.8 1.46 4 881 1048 -12.3 -14.2 86 1.9 -12.8 220 17 270.5 270.7 267.7 274.5 1.44 5 861 1223 -13.3 -15.1 86 1.8 -13.7 230 18 271.2 271.4 268.1 275.1 1.37 6 850 1321 -13.9 -16.0 84 2.1 -14.4 235 19 271.6 271.8 268.1 275.2 1.29 7 717 2587 -24.7 -27.3 79 2.6 -25.0 292 17 273.3 273.3 268.0 274.9 0.57 8 700 2761 -26.1 -29.2 75 3.1 -26.5 300 17 273.6 273.7 268.0 275.0 0.49 9 684 2928 -27.3 -31.6 67 4.3 -27.8 297 16 274.1 274.1 268.2 275.3 0.40 10 639 3416 -29.1 -35.1 56 6.0 -29.6 286 14 277.4 277.5 270.1 278.3 0.30 11 538 4626 -36.3 -42.3 54 6.0 -36.7 261 9 282.8 282.8 273.1 283.4 0.17 12 500 5130 -40.1 -45.1 59 5.0 -40.4 250 7 284.1 284.2 273.8 284.6 0.14 13 450 5841 -45.9 -50.4 60 4.5 -46.0 229 6 285.6 285.6 274.5 285.8 0.08 14 400 6620 -49.1 -53.8 58 4.7 -49.2 205 5 291.2 291.2 277.3 291.4 0.06 15 395 6703 -49.5 -54.1 58 4.6 -49.6 205 5 291.7 291.7 277.6 291.9 0.06 16 389 6803 -49.5 -54.1 58 4.6 -49.6 209 6 293.0 293.0 278.2 293.2 0.06 17 370 7133 -49.1 -53.9 57 4.8 -49.2 224 8 297.7 297.8 280.4 298.0 0.07 18 328 7927 -47.9 -53.9 50 6.0 -48.1 259 14 309.8 309.8 285.4 310.1 0.08 19 300 8520 -45.9 -52.9 45 7.0 -46.2 285 19 320.7 320.7 289.0 321.0 0.09 20 283 8906 -44.7 -52.7 40 8.0 -45.0 285 21 327.8 327.8 291.2 328.2 0.10 21 254 9624 -43.7 -53.7 32 10.0 -44.2 285 24 339.6 339.6 294.3 340.0 0.10 22 250 9730 -43.9 -53.9 32 10.0 -44.4 285 25 340.8 340.8 294.6 341.2 0.10 23 202 11163 -44.7 -56.7 25 12.0 -45.3 295 23 361.0 361.0 299.0 361.4 0.09 24 200 11230 -44.9 -56.9 25 12.0 -45.5 295 23 361.7 361.7 299.1 362.1 0.09 25 168 12395 -45.3 -58.3 22 13.0 -46.0 295 21 379.5 379.5 302.2 379.9 0.09 26 150 13150 -46.5 -59.5 21 13.0 -47.2 295 19 389.9 390.0 303.8 390.3 0.08 27 102 15690 -49.3 -63.3 18 14.0 -50.1 319 21 430.0 430.0 308.9 430.4 0.08 28 100 15820 -48.5 -62.5 18 14.0 -49.4 320 21 434.0 434.0 309.3 434.5 0.09 29 70 18150 -50.7 -64.7 17 14.0 -51.7 335 17 475.9 475.9 313.2 476.5 0.09 30 50 20330 -52.3 -66.3 17 14.0 -53.4 340 17 520.2 520.3 316.4 520.9 0.10 31 43 21307 -52.7 -66.7 17 14.0 -53.9 344 18 542.2 542.2 317.7 542.9 0.11 32 30 23620 -55.5 -69.5 16 14.0 -56.8 355 19 593.3 593.4 320.3 594.1 0.11 33 27 24291 -56.3 -70.3 16 14.0 -57.6 0 21 609.2 609.3 321.0 610.1 0.11 34 20 26210 -53.7 -68.7 14 15.0 -55.8 15 27 671.8 671.9 323.6 673.3 0.18 35 13 29006 -49.5 -64.5 16 15.0 -53.5 774.4 774.7 326.7 779.3 0.50 TRP 395 6703 -49.5 -54.1 58 4.6 -49.6 205 5 291.7 291.7 277.6 291.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5057.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 69.97 % Est. max temperature: -1.26 C = 29.73 F Sfc-Lift cond lev (LCL): 973.83 mb = 278.59 m = 914.01 ft T: -9.30 C 700-500 lapse rate: 5.91 C/km ThetaE index: 1.53 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 844.03 mb = 1373.47 m = 4506.09 ft Mean mixing ratio: 1.49 g/kg Conv temperature: -0.95 C = 30.30 F Cap Strength: 10.38 C Lifted Index: 11.15 C Risk: None Lifted Index @300 mb: 35.35 C Lifted Index @700 mb: 3.76 C Showalter Index: 7.58 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 24.10 C K Index: 7.10 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.41 J/kg Max Up Vert Vel: 4.34 m/s Conv Inhibition (B-): 61596.64 J/kg Cap Strength: 11.11 C Lift Cond Lev (LCL): 911.86 mb = 784.53 m = 2573.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 10 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 1007 19 150 7 -3.5 6.1 | 126 16 -12.7 9.2 1 1000 73 155 9 -3.8 8.2 | 131 17 -13.1 11.3 2 925 675 200 15 5.1 14.1 | 167 18 -4.1 17.2 3 850 1321 235 19 15.6 10.9 | 204 15 6.3 14.0 4 700 2761 300 17 14.7 -8.5 | 314 8 5.5 -5.3 5 500 5130 250 7 6.6 2.4 | 154 6 -2.7 5.5 6 400 6620 205 5 2.1 4.5 | 137 10 -7.1 7.7 7 395 6703 205 5 2.1 4.5 | 137 10 -7.1 7.7 8 300 8520 285 19 18.4 -4.9 | 281 9 9.1 -1.8 9 250 9730 285 25 24.1 -6.5 | 283 15 14.9 -3.3 10 200 11230 295 23 20.8 -9.7 | 300 13 11.6 -6.6 11 150 13150 295 19 17.2 -8.0 | 301 9 8.0 -4.9 12 100 15820 320 21 13.5 -16.1 | 342 14 4.3 -12.9 13 70 18150 335 17 7.2 -15.4 | 10 12 -2.1 -12.3 14 50 20330 340 17 5.8 -16.0 | 15 13 -3.4 -12.8 15 30 23620 355 19 1.7 -18.9 | 26 18 -7.6 -15.8 16 20 26210 15 27 -7.0 -26.1 | 35 28 -16.2 -22.9 Wind Parameters Mean winds (0-6000m): 258.8 at 13.0 knts Storm direction: 288.8 at 9.8 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 177.7 deg Storm rel helicity (0-3000m) pos: 154.7 neg: -1.8 tot: 152.8 m^2/s^2 ave: 50.9 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.27 Bulk Shear: 35.20 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 ------------------------------------------------------------------------------- 500 173 11 143 17| 9.3 0.0 9.3| 43.0 0.0 43.0 86.0 0.93| 10.2 9.5 1000 194 13 159 17| 8.2 0.0 8.2| 83.5 0.0 83.5 83.5 0.96| 9.7 9.3 1500 210 15 174 16| 7.0 0.0 7.0|115.3 0.0 115.3 76.9 0.95| 9.4 8.9 2000 224 16 186 15| 5.7 0.0 5.7|134.1 0.0 134.1 67.0 0.92| 8.9 8.2 2500 235 16 198 13| 4.7 0.0 4.7|148.7 0.0 148.7 59.5 0.93| 8.6 7.9 3000 245 16 209 11| 3.8 0.0 3.8|154.7 -1.8 152.8 50.9 0.88| 7.9 6.9 4000 256 16 221 9| 2.8 0.8 3.7|154.7 -8.4 146.3 36.6 0.66| 6.8 4.5 5000 261 14 222 7| 2.3 1.2 3.4|154.7 -14.0 140.6 28.1 0.51| 6.0 3.1 6000 259 13 212 7| 1.9 1.3 3.2|154.7 -17.5 137.2 22.9 0.45| 5.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250421.00.gif