UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 18 APR 25 Station: U5428 WMO ident: 25428 Latitude: 65.23 Longitude: 160.53 ------------------------------------------------------------------------------- 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 37 SFC 972 265 0.2 -7.8 55 8.0 -2.5 280 11 275.6 275.9 272.1 281.7 2.18 2 949 456 -3.5 -12.5 50 9.0 -6.1 292 11 273.7 274.0 269.9 278.1 1.54 3 925 658 -5.3 -12.3 58 7.0 -7.3 305 11 273.9 274.2 270.2 278.4 1.60 4 865 1179 -10.5 -14.9 70 4.4 -11.6 293 9 273.8 274.0 269.7 277.7 1.39 5 850 1314 -9.7 -14.3 69 4.6 -10.9 290 9 276.0 276.2 271.3 280.2 1.48 6 838 1423 -9.9 -14.6 68 4.7 -11.1 289 9 276.9 277.1 271.8 281.1 1.47 7 770 2069 -14.3 -18.6 70 4.3 -15.2 282 8 278.9 279.1 272.5 282.3 1.14 8 758 2188 -13.9 -18.2 70 4.3 -14.9 281 8 280.6 280.8 273.5 284.2 1.20 9 754 2229 -13.5 -18.2 68 4.7 -14.6 281 8 281.5 281.7 274.0 285.1 1.21 10 700 2790 -16.1 -25.1 46 9.0 -17.7 275 7 284.7 284.8 275.0 286.8 0.71 11 683 2975 -17.3 -28.3 38 11.0 -19.1 274 7 285.3 285.4 275.1 287.0 0.54 12 615 3759 -18.7 -41.7 11 23.0 -21.2 267 9 292.4 292.4 278.1 293.0 0.16 13 614 3771 -18.7 -40.7 13 22.0 -21.2 267 9 292.5 292.6 278.2 293.1 0.18 14 500 5270 -29.5 -43.5 25 14.0 -30.6 255 13 297.1 297.1 280.3 297.6 0.16 15 454 5950 -34.5 -48.5 23 14.0 -35.3 255 13 299.1 299.1 281.1 299.5 0.10 16 400 6820 -41.9 -53.9 26 12.0 -42.3 255 13 300.5 300.5 281.7 300.8 0.06 17 379 7183 -45.3 -57.3 25 12.0 -45.6 254 15 300.7 300.7 281.7 300.9 0.04 18 335 7998 -50.1 -61.1 26 11.0 -50.3 251 18 305.0 305.0 283.4 305.1 0.03 19 328 8136 -50.5 -62.5 23 12.0 -50.7 250 19 306.3 306.3 284.0 306.4 0.03 20 300 8720 -49.1 -62.1 21 13.0 -49.4 255 23 316.1 316.2 287.5 316.3 0.03 21 250 9920 -46.1 -64.1 11 18.0 -46.6 255 23 337.5 337.5 293.7 337.6 0.03 22 211 11053 -45.1 -67.1 7 22.0 -45.8 255 18 355.9 355.9 297.9 356.0 0.02 23 200 11410 -46.1 -69.1 6 23.0 -46.8 255 17 359.8 359.8 298.7 359.8 0.02 24 150 13320 -47.1 -71.1 5 24.0 -47.9 275 15 388.9 388.9 303.6 389.0 0.02 25 100 15990 -49.9 -73.9 4 24.0 -50.8 235 11 431.3 431.3 309.0 431.4 0.02 26 87 16894 -54.5 -77.5 4 23.0 -55.1 256 11 439.6 439.6 309.8 439.6 0.01 27 70 18290 -54.3 -77.3 4 23.0 -55.1 290 11 468.2 468.2 312.5 468.3 0.01 28 57 19608 -52.9 -75.9 5 23.0 -54.0 302 9 499.7 499.7 314.9 499.9 0.02 29 50 20450 -53.7 -76.7 4 23.0 -54.8 310 7 516.9 516.9 316.1 517.1 0.02 30 39 22035 -56.5 -78.5 5 22.0 -57.5 308 8 547.9 547.9 318.0 548.1 0.02 31 30 23710 -53.7 -76.7 4 23.0 -55.5 305 9 598.2 598.3 320.5 598.5 0.04 32 24 25153 -53.1 -76.1 4 23.0 -55.3 228 6 639.4 639.4 322.3 639.8 0.05 33 21 26028 -47.9 -71.9 5 24.0 -51.7 182 4 680.0 680.0 323.8 680.9 0.11 34 20 26350 -49.1 -73.1 4 24.0 -52.7 165 3 685.9 685.9 324.0 686.7 0.10 35 18 27042 -50.1 -74.1 4 24.0 -53.7 160 5 703.7 703.8 324.6 704.5 0.09 36 17 27419 -46.7 -70.7 5 24.0 -51.5 158 5 726.2 726.3 325.3 727.7 0.16 37 15 28249 -48.1 -72.1 5 24.0 -52.8 153 7 748.0 748.1 325.9 749.4 0.15 38 14 28707 -45.3 -69.3 5 24.0 -51.2 150 8 772.4 772.5 326.6 774.7 0.24 39 12 29730 -48.7 -72.7 5 24.0 -53.9 143 10 795.2 795.3 327.1 796.9 0.17 40 10 30940 -45.3 -69.3 5 24.0 -52.4 135 13 850.5 850.6 328.5 854.0 0.34 41 9.4 31354 -43.9 -68.9 5 25.0 -52.0 871.0 871.2 328.9 875.1 0.38 TRP 328 8136 -50.5 -62.5 23 12.0 -50.7 250 19 306.3 306.3 284.0 306.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5233.00 m Freezing level: 970.76 mb = 275.28 m = 903.13 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 42.22 % Est. max temperature: 1.98 C = 35.56 F Sfc-Lift cond lev (LCL): 857.57 mb = 1245.70 m = 4086.90 ft T: -10.11 C 700-500 lapse rate: 5.40 C/km ThetaE index: 3.62 C Layer 949.0- 925.0 mb Conv cond level (CCL): 710.97 mb = 2672.53 m = 8768.04 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 8.54 C = 47.37 F Cap Strength: 13.33 C Lifted Index: 15.60 C Risk: None Lifted Index @300 mb: 26.70 C Lifted Index @700 mb: 7.67 C Showalter Index: 14.25 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 15.20 C K Index: -3.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.83 J/kg Max Up Vert Vel: 3.11 m/s Conv Inhibition (B-): 68043.16 J/kg Cap Strength: 15.48 C Lift Cond Lev (LCL): 825.56 mb = 1537.62 m = 5044.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 8 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 ---------------------------------------------------------- 0 972 265 280 11 10.8 -1.9 | 246 5 4.3 1.9 1 925 658 305 11 9.0 -6.3 | 315 4 2.5 -2.5 2 850 1314 290 9 8.5 -3.1 | 249 2 1.9 0.7 3 700 2790 275 7 7.0 -0.6 | 188 3 0.4 3.2 4 500 5270 255 13 12.6 3.4 | 220 9 6.0 7.2 5 400 6820 255 13 12.6 3.4 | 220 9 6.0 7.2 6 328 8136 250 19 17.9 6.5 | 228 15 11.3 10.3 7 300 8720 255 23 22.2 6.0 | 238 18 15.7 9.8 8 250 9920 255 23 22.2 6.0 | 238 18 15.7 9.8 9 200 11410 255 17 16.4 4.4 | 230 13 9.9 8.2 10 150 13320 275 15 14.9 -1.3 | 253 9 8.4 2.5 11 100 15990 235 11 9.0 6.3 | 194 10 2.5 10.1 12 70 18290 290 11 10.3 -3.8 | 269 4 3.8 0.0 13 50 20450 310 7 5.4 -4.5 | 60 1 -1.2 -0.7 14 30 23710 305 9 7.4 -5.2 | 328 2 0.8 -1.4 15 20 26350 165 3 -0.8 2.9 | 133 10 -7.3 6.7 16 10 30940 135 13 -9.2 9.2 | 130 20 -15.7 13.0 Wind Parameters Mean winds (0-6000m): 270.2 at 10.1 knts Storm direction: 300.2 at 7.6 knts Shear (0-3000m) pos: 0.7 neg: 1.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -42.3 deg Storm rel helicity (0-3000m) pos: 5.4 neg: -3.5 tot: 1.8 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.74 Bulk Shear: 2.77 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 ------------------------------------------------------------------------------- 500 295 11 283 4| 4.4 0.0 4.4| 4.5 -0.3 4.1 8.3 0.78| 5.5 4.3 1000 296 10 286 3| 2.2 1.3 3.5| 4.5 -1.8 2.7 2.7 0.24| 4.0 1.0 1500 294 10 274 3| 1.5 1.2 2.7| 4.5 -2.4 2.1 1.4 0.09| 3.1 0.3 2000 292 9 261 2| 1.1 1.2 2.3| 4.5 -3.0 1.5 0.8 -0.01| 2.6 -0.0 2500 289 9 247 2| 0.9 1.1 2.0| 4.5 -3.5 0.9 0.4 -0.08| 2.2 -0.2 3000 287 9 237 2| 0.7 1.0 1.7| 5.4 -3.5 1.8 0.6 0.01| 2.1 0.0 4000 282 9 227 3| 0.5 0.9 1.5| 6.9 -3.5 3.4 0.8 0.09| 1.9 0.2 5000 275 9 224 4| 0.4 1.0 1.4| 7.4 -3.6 3.9 0.8 0.09| 1.8 0.2 6000 270 10 223 5| 0.4 0.8 1.2| 7.4 -3.6 3.9 0.6 0.09| 1.5 0.1 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250418.00.gif