UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 19 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1000 99 -0.7 -1.4 95 0.7 -1.0 150 1 272.5 273.0 272.2 281.8 3.45 1 939 601 -0.5 -2.7 85 2.2 -1.4 259 3 277.6 278.2 275.0 286.8 3.33 2 925 721 -0.7 -3.4 82 2.7 -1.7 285 3 278.6 279.1 275.4 287.5 3.21 3 880 1118 -2.3 -4.8 83 2.5 -3.3 300 14 280.9 281.5 276.4 289.5 3.04 4 850 1394 -1.5 -3.0 89 1.5 -2.1 310 21 284.6 285.2 279.0 294.8 3.60 5 809 1789 -1.1 -2.5 90 1.4 -1.7 315 27 289.1 289.7 281.5 300.4 3.93 6 700 2931 -7.3 -9.4 85 2.1 -8.1 330 44 294.4 294.9 282.4 302.4 2.68 7 646 3553 -10.9 -13.4 82 2.5 -11.7 332 50 297.2 297.5 282.8 303.6 2.10 8 614 3944 -11.7 -14.5 80 2.8 -12.6 334 53 300.6 301.0 284.1 306.9 2.02 9 500 5490 -21.5 -25.3 71 3.8 -22.2 340 68 306.8 307.0 285.4 310.1 0.98 10 494 5579 -21.9 -25.7 71 3.8 -22.7 340 68 307.4 307.6 285.5 310.6 0.95 11 400 7090 -33.7 -38.3 63 4.6 -34.1 340 69 311.2 311.3 286.2 312.4 0.35 12 300 9040 -49.5 -54.3 57 4.8 -49.7 345 69 315.6 315.6 287.4 315.9 0.08 13 266 9818 -56.0 -60.9 54 4.9 -56.1 345 79 317.2 317.2 287.9 317.3 0.04 14 250 10210 -59.3 -64.3 52 5.0 -59.4 345 77 317.9 317.9 288.1 318.0 0.03 15 246 10310 -60.3 -65.1 53 4.8 -60.3 344 77 317.9 317.9 288.1 318.0 0.02 16 213 11193 -65.1 -70.0 51 4.9 -65.1 340 75 323.8 323.8 289.9 323.8 0.01 17 205 11427 -61.3 -66.3 51 5.0 -61.4 343 71 333.3 333.3 292.6 333.4 0.03 18 200 11580 -59.9 -64.9 52 5.0 -60.0 345 68 337.9 337.9 293.9 338.0 0.03 19 159 13029 -56.3 -62.3 47 6.0 -56.5 345 55 366.9 366.9 300.1 367.2 0.06 20 150 13400 -56.3 -62.3 47 6.0 -56.5 345 52 373.1 373.1 301.1 373.3 0.06 21 100 15990 -53.9 -61.9 37 8.0 -54.3 345 40 423.6 423.6 308.2 424.1 0.09 22 70 18280 -54.3 -64.3 28 10.0 -54.9 350 36 468.2 468.2 312.5 468.8 0.10 23 61 19165 -52.7 -64.7 22 12.0 -53.5 346 34 490.6 490.6 314.3 491.2 0.10 24 50 20440 -55.3 -68.3 18 13.0 -56.1 340 31 513.2 513.2 315.9 513.7 0.08 25 30 23700 -55.5 -74.5 8 19.0 -56.9 350 31 593.3 593.4 320.3 593.7 0.05 26 29 23917 -55.5 -74.5 8 19.0 -56.9 349 31 599.1 599.1 320.6 599.5 0.05 27 26 24608 -59.1 -79.1 6 20.0 -60.2 346 30 607.9 607.9 321.0 608.1 0.03 28 22 25664 -56.1 -78.1 5 22.0 -57.9 342 28 646.6 646.6 322.6 646.9 0.04 29 20 26270 -56.9 -79.9 4 23.0 -58.7 340 27 662.0 662.0 323.2 662.3 0.03 30 17 27299 -56.9 -79.9 4 23.0 -58.9 693.5 693.5 324.2 693.8 0.04 31 12 29532 -51.7 -75.7 4 24.0 -55.8 784.6 784.6 326.9 785.6 0.11 TRP 213 11193 -65.1 -70.0 51 4.9 -65.1 340 75 323.8 323.8 289.9 323.8 0.01 WND 266 9818 -56.0 -60.9 54 4.9 -56.1 345 79 317.2 317.2 287.9 317.3 0.04 Sounding variables and indices 1000-500 mb thick: 5391.15 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.59 inches Sfc-500 mean rel hum: 82.85 % Est. max temperature: 11.42 C = 52.56 F Sfc-Lift cond lev (LCL): 989.06 mb = 186.60 m = 612.20 ft T: -0.67 C 700-500 lapse rate: 5.55 C/km Conv cond level (CCL): 714.69 mb = 2767.05 m = 9078.15 ft Mean mixing ratio: 3.31 g/kg Conv temperature: 20.49 C = 68.88 F Cap Strength: 14.85 C Lifted Index: 17.97 C Risk: None Lifted Index @300 mb: 21.20 C Lifted Index @700 mb: 11.25 C Showalter Index: 11.18 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 18.50 C K Index: 14.90 Risk: None Sweat Index: 110.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.85 J/kg Max Up Vert Vel: 7.46 m/s Conv Inhibition (B-): 56228.93 J/kg Cap Strength: 17.96 C Lift Cond Lev (LCL): 920.47 mb = 760.10 m = 2493.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 31 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 1000 99 150 1 -0.5 0.9 | 182 32 1.2 31.6 1 1000 98 150 1 -0.5 0.9 | 182 32 1.2 31.6 2 925 721 285 3 2.9 -0.8 | 189 30 4.6 30.0 3 850 1394 310 21 16.1 -13.5 | 226 25 17.8 17.3 4 700 2931 330 44 22.0 -38.1 | 287 25 23.7 -7.3 5 500 5490 340 68 23.3 -63.9 | 323 42 25.0 -33.1 6 400 7090 340 69 23.6 -64.8 | 323 42 25.3 -34.1 7 300 9040 345 69 17.9 -66.6 | 331 41 19.6 -35.9 8 266 9818 345 79 20.4 -76.3 | 334 51 22.2 -45.5 9 250 10210 345 77 19.9 -74.4 | 334 49 21.7 -43.6 10 213 11193 340 75 25.7 -70.5 | 325 48 27.4 -39.7 11 200 11580 345 68 17.6 -65.7 | 331 40 19.3 -34.9 12 150 13400 345 52 13.5 -50.2 | 322 25 15.2 -19.5 13 100 15990 345 40 10.4 -38.6 | 303 14 12.1 -7.9 14 70 18280 350 36 6.3 -35.5 | 300 9 8.0 -4.7 15 50 20440 340 31 10.6 -29.1 | 262 12 12.3 1.6 16 30 23700 350 31 5.4 -30.5 | 268 7 7.1 0.2 17 20 26270 340 27 9.2 -25.4 | 244 12 11.0 5.4 Wind Parameters Mean winds (0-6000m): 333.2 at 41.1 knts Storm direction: 3.2 at 30.8 knts Shear (0-3000m) pos: 8.0 neg: 0.0 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 108.2 deg Storm rel helicity (0-3000m) pos: 334.3 neg: 0.0 tot: 334.3 m^2/s^2 ave: 111.4 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 8.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.13 Bulk Shear: 216.88 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 ------------------------------------------------------------------------------- 500 264 2 186 31| 3.2 0.0 3.2| 26.7 0.0 26.7 53.4 0.83| 3.9 3.2 1000 291 4 191 30| 7.2 0.0 7.2|108.0 0.0 108.0 108.0 0.89| 7.9 7.0 1500 306 9 200 27| 8.6 0.0 8.6|184.4 0.0 184.4 123.0 0.92| 9.3 8.5 2000 312 14 209 25| 8.4 0.0 8.4|235.1 0.0 235.1 117.5 0.94| 9.1 8.5 2500 317 18 219 22| 8.2 0.0 8.2|287.7 0.0 287.7 115.1 0.95| 9.0 8.5 3000 322 22 229 20| 8.0 0.0 8.0|334.3 0.0 334.3 111.4 0.95| 8.8 8.3 4000 326 29 250 19| 7.2 0.0 7.2|394.9 0.0 394.9 98.7 0.93| 7.9 7.3 5000 330 35 270 19| 6.7 0.0 6.7|463.9 0.0 463.9 92.8 0.90| 7.3 6.6 6000 333 41 286 21| 5.9 0.0 5.9|495.1 0.0 495.1 82.5 0.88| 6.5 5.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250419.00.gif