UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 18 OCT 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1018 132 -9.1 -11.8 81 2.7 -9.8 260 3 262.7 262.9 262.3 266.8 1.52 1 1000 270 -7.7 -11.4 75 3.7 -8.7 255 5 265.5 265.7 264.5 269.8 1.60 2 964 554 -9.7 -13.1 76 3.4 -10.5 276 12 266.2 266.5 264.7 270.2 1.44 3 956 618 -9.5 -12.9 76 3.4 -10.4 281 13 267.1 267.3 265.4 271.1 1.48 4 954 634 -7.7 -11.1 77 3.4 -8.7 282 13 269.0 269.3 267.2 273.8 1.71 5 931 824 -7.3 -12.2 68 4.9 -8.7 296 18 271.3 271.6 268.5 275.8 1.61 6 925 874 -7.7 -12.7 67 5.0 -9.0 300 19 271.4 271.7 268.5 275.8 1.55 7 912 984 -8.7 -14.7 62 6.0 -10.2 301 19 271.5 271.7 268.2 275.3 1.34 8 852 1507 -12.3 -14.3 85 2.0 -12.8 305 17 273.1 273.3 269.4 277.3 1.48 9 850 1525 -12.1 -14.2 84 2.1 -12.6 305 17 273.5 273.7 269.7 277.7 1.50 10 845 1570 -11.5 -13.6 84 2.1 -12.1 307 17 274.6 274.8 270.5 279.0 1.58 11 822 1782 -10.5 -17.5 56 7.0 -12.2 317 16 277.8 278.0 271.9 281.2 1.18 12 792 2068 -11.7 -28.7 23 17.0 -14.6 330 14 279.5 279.6 271.6 280.9 0.45 13 731 2681 -12.5 -22.5 43 10.0 -14.6 359 11 285.1 285.2 275.5 287.7 0.86 14 716 2839 -12.9 -23.9 39 11.0 -15.2 7 10 286.3 286.5 276.0 288.7 0.77 15 700 3011 -13.7 -24.7 39 11.0 -15.9 15 9 287.3 287.4 276.5 289.6 0.74 16 600 4167 -19.9 -36.9 21 17.0 -22.0 24 9 293.1 293.1 278.6 294.0 0.27 17 590 4291 -20.9 -38.9 18 18.0 -22.9 25 9 293.3 293.4 278.7 294.1 0.22 18 500 5490 -30.1 -43.1 27 13.0 -31.2 35 9 296.3 296.4 280.0 296.9 0.17 19 419 6724 -39.9 -49.9 34 10.0 -40.4 55 19 299.1 299.2 281.1 299.5 0.10 20 400 7040 -41.5 -51.5 33 10.0 -41.9 60 21 301.1 301.1 281.9 301.4 0.08 21 389 7229 -42.3 -51.3 37 9.0 -42.7 61 22 302.4 302.4 282.5 302.7 0.09 22 363 7694 -44.9 -54.9 32 10.0 -45.2 65 24 305.0 305.0 283.5 305.2 0.06 23 300 8940 -54.7 -64.7 28 10.0 -54.8 75 29 308.2 308.2 284.7 308.3 0.02 24 272 9558 -59.7 -69.7 26 10.0 -59.8 75 31 309.7 309.8 285.2 309.8 0.01 25 250 10080 -62.9 -72.9 25 10.0 -63.0 75 33 312.6 312.6 286.2 312.6 0.01 26 239 10356 -64.1 -74.1 24 10.0 -64.1 75 33 314.8 314.8 287.0 314.8 0.01 27 222 10811 -61.7 -71.7 25 10.0 -61.8 69 31 325.2 325.2 290.3 325.2 0.01 28 200 11460 -59.9 -69.9 26 10.0 -60.0 60 29 337.9 337.9 293.8 338.0 0.02 29 150 13270 -56.5 -68.5 21 12.0 -56.8 55 19 372.7 372.7 301.1 372.8 0.03 30 149 13312 -56.5 -68.5 21 12.0 -56.8 55 19 373.4 373.5 301.2 373.6 0.03 31 100 15830 -56.7 -72.7 12 16.0 -57.1 45 9 418.2 418.2 307.5 418.3 0.02 32 70 18080 -57.9 -75.9 8 18.0 -58.4 30 5 460.5 460.5 311.8 460.6 0.02 33 50 20200 -57.9 -77.9 6 20.0 -58.6 265 1 507.0 507.0 315.4 507.1 0.02 34 38 21933 -57.7 -78.7 5 21.0 -58.6 254 11 548.9 549.0 318.1 549.1 0.02 35 30 23440 -53.5 -76.5 4 23.0 -55.3 245 19 598.8 598.8 320.6 599.1 0.04 36 29 23658 -52.7 -76.7 4 24.0 -54.7 243 20 606.8 606.8 320.9 607.1 0.04 37 20 26050 -53.5 -77.5 4 24.0 -56.0 225 25 672.4 672.4 323.5 672.8 0.05 38 16 27495 -50.7 -75.7 4 25.0 -54.4 725.9 725.9 325.3 726.6 0.08 39 15 27919 -46.9 -72.9 4 26.0 -52.1 752.0 752.1 326.0 753.3 0.13 40 12 29395 -47.9 -73.9 3 26.0 -53.4 798.0 798.1 327.3 799.4 0.14 41 10 30610 -43.5 -69.5 4 26.0 -51.5 857.2 857.3 328.6 860.7 0.33 42 9.6 30884 -43.7 -69.7 4 26.0 -51.8 866.5 866.7 328.8 870.1 0.33 TRP 239 10356 -64.1 -74.1 24 10.0 -64.1 75 33 314.8 314.8 287.0 314.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5220.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 42.50 % Est. max temperature: 0.90 C = 33.62 F Sfc-Lift cond lev (LCL): 974.90 mb = 466.68 m = 1531.09 ft T: -9.09 C 700-500 lapse rate: 6.62 C/km ThetaE index: 0.55 C Layer 925.0- 852.0 mb Conv cond level (CCL): 643.55 mb = 3641.32 m = 11946.45 ft Mean mixing ratio: 1.56 g/kg Conv temperature: 18.81 C = 65.85 F Cap Strength: 19.13 C Lifted Index: 20.39 C Risk: None Lifted Index @300 mb: 25.91 C Lifted Index @700 mb: 15.40 C Showalter Index: 15.64 C Risk: None Total Totals Index: 33.90 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 15.90 C K Index: -7.20 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 4.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.79 J/kg Max Up Vert Vel: 8.46 m/s Conv Inhibition (B-): 61162.99 J/kg Cap Strength: 20.27 C Lift Cond Lev (LCL): 909.06 mb = 1008.57 m = 3308.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 9 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 1018 132 260 3 3.0 0.5 | 213 10 5.5 8.7 1 1000 270 255 5 4.8 1.3 | 218 12 7.4 9.4 2 925 874 300 19 16.5 -9.5 | 274 19 19.0 -1.4 3 850 1525 305 17 13.9 -9.8 | 276 17 16.5 -1.6 4 700 3011 15 9 -2.3 -8.7 | 336 1 0.3 -0.6 5 500 5490 35 9 -5.2 -7.4 | 106 3 -2.6 0.8 6 400 7040 60 21 -18.2 -10.5 | 81 16 -15.6 -2.4 7 300 8940 75 29 -28.0 -7.5 | 91 25 -25.4 0.6 8 250 10080 75 33 -31.9 -8.5 | 89 29 -29.3 -0.4 9 239 10356 75 33 -31.9 -8.5 | 89 29 -29.3 -0.4 10 200 11460 60 29 -25.1 -14.5 | 74 23 -22.5 -6.4 11 150 13270 55 19 -15.6 -10.9 | 78 13 -13.0 -2.8 12 100 15830 45 9 -6.4 -6.4 | 115 4 -3.8 1.8 13 70 18080 30 5 -2.5 -4.3 | 181 4 0.1 3.8 14 50 20200 265 1 1.0 0.1 | 204 9 3.6 8.2 15 30 23440 245 19 17.2 8.0 | 231 26 19.8 16.2 16 20 26050 225 25 17.7 17.7 | 218 33 20.3 25.8 Wind Parameters Mean winds (0-6000m): 347.6 at 11.4 knts Storm direction: 17.6 at 8.5 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 136.0 deg Storm rel helicity (0-3000m) pos: 91.0 neg: 0.0 tot: 91.0 m^2/s^2 ave: 30.3 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.86 Bulk Shear: 19.22 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 ------------------------------------------------------------------------------- 500 272 8 233 13| 11.0 0.0 11.0| 34.6 0.0 34.6 69.2 0.81| 11.8 9.6 1000 293 13 257 14| 8.3 0.0 8.3| 69.3 0.0 69.3 69.3 0.84| 10.2 8.6 1500 298 14 264 15| 5.0 0.0 5.0| 74.6 0.0 74.6 49.7 0.78| 7.9 6.2 2000 304 14 269 15| 3.4 0.0 3.4| 86.6 0.0 86.6 43.3 0.73| 7.6 5.5 2500 309 14 273 14| 2.4 0.0 2.4| 90.5 0.0 90.5 36.2 0.67| 7.3 4.9 3000 313 13 274 12| 1.8 0.0 1.8| 91.0 0.0 91.0 30.3 0.62| 6.7 4.2 4000 325 12 281 10| 1.4 0.0 1.4| 91.2 0.0 91.2 22.8 0.63| 5.2 3.3 5000 336 12 288 8| 1.2 0.0 1.2| 91.4 0.0 91.4 18.3 0.62| 4.3 2.7 6000 348 11 301 6| 1.4 0.0 1.4| 91.5 -2.2 89.3 14.9 0.51| 4.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251018.00.gif