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 U5428... Searching the city database file for: U5428 ... Date:0000Z 19 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 94 SFC 979 261 -4.9 -12.9 53 8.0 -7.1 330 5 269.9 270.1 267.3 273.9 1.44 2 976 285 -0.9 -9.9 50 9.0 -3.7 331 5 274.1 274.5 270.7 279.3 1.84 3 975 293 -3.1 -13.1 46 10.0 -5.9 331 5 272.0 272.2 268.7 276.0 1.43 4 962 399 -6.3 -17.3 41 11.0 -8.9 333 6 269.8 270.0 266.5 272.7 1.02 5 925 704 -8.9 -17.9 48 9.0 -10.9 340 9 270.2 270.4 266.7 273.1 1.01 6 863 1237 -13.3 -19.3 61 6.0 -14.5 348 7 271.0 271.2 267.2 273.8 0.96 7 850 1353 -13.3 -19.3 61 6.0 -14.5 350 7 272.2 272.4 268.0 275.0 0.98 8 811 1711 -12.9 -18.9 61 6.0 -14.2 354 10 276.3 276.5 270.8 279.4 1.06 9 734 2465 -17.5 -24.5 54 7.0 -18.7 1 18 279.3 279.4 272.0 281.4 0.72 10 700 2820 -17.9 -24.9 54 7.0 -19.1 5 21 282.7 282.8 273.9 284.9 0.72 11 688 2949 -17.5 -24.5 54 7.0 -18.8 6 20 284.5 284.6 275.0 286.8 0.76 12 668 3169 -18.3 -26.3 49 8.0 -19.7 6 19 286.0 286.1 275.7 288.1 0.67 13 575 4268 -26.3 -38.3 31 12.0 -27.5 11 13 289.2 289.2 276.6 290.0 0.24 14 564 4407 -25.5 -38.5 29 13.0 -26.8 11 12 291.7 291.8 277.9 292.5 0.24 15 541 4707 -26.9 -43.9 18 17.0 -28.3 13 10 293.5 293.6 278.6 294.0 0.14 16 526 4909 -28.1 -45.1 18 17.0 -29.4 13 9 294.5 294.5 279.0 294.9 0.13 17 500 5270 -31.3 -46.3 21 15.0 -32.3 15 7 294.9 294.9 279.2 295.3 0.12 18 439 6183 -38.5 -50.5 27 12.0 -39.1 18 6 296.9 297.0 280.1 297.2 0.08 19 430 6326 -38.3 -49.3 31 11.0 -38.8 18 6 299.0 299.0 281.0 299.3 0.10 20 405 6736 -43.3 -54.3 29 11.0 -43.7 20 5 297.7 297.7 280.4 297.9 0.06 21 400 6820 -42.9 -53.9 29 11.0 -43.3 20 5 299.2 299.2 281.1 299.5 0.06 22 392 6956 -43.5 -53.5 32 10.0 -43.9 27 5 300.2 300.2 281.5 300.4 0.07 23 370 7341 -48.3 -57.3 35 9.0 -48.5 48 4 298.8 298.8 280.9 299.0 0.04 24 368 7377 -47.5 -56.5 35 9.0 -47.7 50 4 300.3 300.3 281.5 300.5 0.05 25 333 8031 -52.7 -60.7 37 8.0 -52.8 85 3 301.9 301.9 282.2 302.0 0.03 26 316 8371 -50.9 -58.9 38 8.0 -51.1 140 4 309.0 309.0 285.0 309.1 0.04 27 300 8710 -50.1 -59.1 34 9.0 -50.3 195 5 314.7 314.7 287.1 314.9 0.04 28 250 9900 -47.7 -61.7 18 14.0 -48.1 240 7 335.2 335.2 293.2 335.3 0.04 29 200 11380 -45.3 -66.3 8 21.0 -46.0 230 9 361.0 361.0 298.9 361.2 0.03 30 194 11583 -45.1 -67.1 7 22.0 -45.9 228 9 364.5 364.5 299.6 364.6 0.02 31 190 11722 -44.7 -66.7 7 22.0 -45.5 227 9 367.3 367.3 300.1 367.5 0.03 32 150 13300 -44.7 -69.7 4 25.0 -45.7 215 11 393.0 393.0 304.2 393.1 0.02 33 142 13668 -44.3 -69.3 5 25.0 -45.4 206 10 399.9 399.9 305.2 400.1 0.02 34 100 16000 -48.3 -72.3 5 24.0 -49.4 150 3 434.4 434.4 309.3 434.5 0.02 35 70 18340 -50.3 -74.3 4 24.0 -51.5 210 7 476.8 476.8 313.2 476.9 0.02 36 62 19132 -50.5 -74.5 4 24.0 -51.8 493.2 493.2 314.5 493.3 0.03 TRP 333 8031 -52.7 -60.7 37 8.0 -52.8 85 3 301.9 301.9 282.2 302.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5176.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 44.66 % Est. max temperature: -0.42 C = 31.25 F Sfc-Lift cond lev (LCL): 862.24 mb = 1244.05 m = 4081.48 ft T: -13.30 C 700-500 lapse rate: 5.47 C/km ThetaE index: 6.60 C Layer 975.0- 925.0 mb Conv cond level (CCL): 623.41 mb = 3675.21 m = 12057.62 ft Mean mixing ratio: 1.05 g/kg Conv temperature: 12.62 C = 54.71 F Cap Strength: 17.82 C Lifted Index: 17.84 C Risk: None Lifted Index @300 mb: 29.27 C Lifted Index @700 mb: 9.80 C Showalter Index: 16.55 C Risk: None Total Totals Index: 30.00 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 12.00 C K Index: -8.30 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 4.31 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-): 35221.21 J/kg Cap Strength: 17.82 C Lift Cond Lev (LCL): 803.95 mb = 1776.92 m = 5829.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 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 ---------------------------------------------------------- 0 979 261 330 5 2.5 -4.3 | 248 8 7.3 2.9 1 925 704 340 9 3.1 -8.5 | 279 8 7.9 -1.2 2 850 1353 350 7 1.2 -6.9 | 267 6 6.0 0.3 3 700 2820 5 21 -1.8 -20.9 | 348 14 3.0 -13.7 4 500 5270 15 7 -1.8 -6.8 | 261 3 3.0 0.5 5 400 6820 20 5 -1.7 -4.7 | 231 4 3.1 2.5 6 333 8031 85 3 -3.0 -0.3 | 195 7 1.8 7.0 7 300 8710 195 5 1.3 4.8 | 207 14 6.1 12.1 8 250 9900 240 7 6.1 3.5 | 225 15 10.9 10.7 9 200 11380 230 9 6.9 5.8 | 222 18 11.7 13.0 10 150 13300 215 11 6.3 9.0 | 214 20 11.1 16.3 11 100 16000 150 3 -1.5 2.6 | 199 10 3.3 9.8 12 70 18340 210 7 3.5 6.1 | 212 16 8.3 13.3 Wind Parameters Mean winds (0-6000m): 3.6 at 11.6 knts Storm direction: 33.6 at 8.7 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 35.0 neg: -2.9 tot: 32.0 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.99 Bulk Shear: 4.88 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 ------------------------------------------------------------------------------- 500 337 7 265 8| 4.1 0.0 4.1| 8.5 0.0 8.5 16.9 0.99| 4.2 4.2 1000 341 8 270 7| 1.5 0.0 1.5| 8.5 -2.0 6.5 6.5 0.50| 3.1 1.5 1500 345 8 274 7| 2.3 0.0 2.3| 14.7 -2.3 12.4 8.3 0.65| 3.5 2.2 2000 350 9 286 7| 3.0 0.0 3.0| 23.3 -2.3 21.0 10.5 0.70| 3.9 2.7 2500 355 11 303 7| 3.4 0.0 3.4| 33.7 -2.3 31.4 12.6 0.69| 4.1 2.9 3000 358 12 315 7| 2.5 0.0 2.5| 35.0 -2.9 32.0 10.7 0.61| 3.9 2.4 4000 1 13 323 8| 1.2 0.0 1.2| 35.0 -6.1 28.9 7.2 0.44| 3.7 1.6 5000 2 13 321 7| 0.5 0.0 0.5| 35.0 -10.4 24.6 4.9 0.24| 3.5 0.8 6000 4 12 317 6| 0.4 0.0 0.4| 35.0 -11.5 23.5 3.9 0.19| 3.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250419.00.gif