UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 28 APR 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 92 45 1 SFC 999 100 3.4 1.0 84 2.4 2.4 45 1 276.6 277.3 275.6 287.9 4.11 2 993 149 5.2 2.8 84 2.4 4.1 52 1 278.9 279.7 277.6 291.8 4.71 3 925 725 1.8 -1.2 80 3.0 0.5 130 5 281.1 281.8 277.5 291.7 3.78 4 850 1403 -1.7 -4.8 79 3.1 -2.9 115 9 284.4 284.9 278.3 293.4 3.14 5 744 2451 -7.5 -10.1 82 2.6 -8.4 108 12 289.1 289.5 279.6 296.1 2.38 6 700 2922 -11.3 -14.0 80 2.7 -12.1 105 13 290.0 290.3 279.3 295.5 1.85 7 504 5372 -26.5 -31.2 64 4.7 -27.2 115 11 300.0 300.1 282.1 301.9 0.56 8 500 5430 -27.7 -32.5 64 4.8 -28.3 115 11 299.3 299.4 281.7 300.9 0.50 9 451 6167 -34.7 -39.2 64 4.5 -35.1 124 9 299.4 299.5 281.5 300.4 0.28 10 400 7000 -41.7 -45.9 64 4.2 -41.9 135 7 300.8 300.8 281.9 301.3 0.16 11 371 7500 -47.5 -51.5 63 4.0 -47.6 139 9 299.6 299.7 281.3 300.0 0.09 12 318 8498 -53.7 -57.5 63 3.8 -53.8 147 12 304.5 304.5 283.3 304.7 0.05 13 300 8870 -54.5 -58.2 64 3.7 -54.6 150 13 308.5 308.5 284.8 308.7 0.05 14 284 9219 -55.5 -59.1 64 3.6 -55.6 135 5 312.0 312.0 286.1 312.1 0.05 15 283 9241 -55.5 -59.1 64 3.6 -55.6 135 5 312.3 312.3 286.2 312.5 0.05 16 262 9736 -50.7 -54.5 64 3.8 -50.8 144 2 326.3 326.3 290.7 326.6 0.09 17 257 9861 -51.5 -55.2 64 3.7 -51.6 147 2 326.9 326.9 290.9 327.2 0.08 18 250 10040 -50.5 -54.5 62 4.0 -50.7 150 1 331.0 331.0 292.1 331.4 0.09 19 200 11500 -50.3 -57.3 43 7.0 -50.5 255 15 353.1 353.1 297.4 353.5 0.08 20 181 12153 -49.1 -57.1 39 8.0 -49.4 255 14 365.3 365.3 299.8 365.7 0.09 21 150 13380 -51.3 -61.3 29 10.0 -51.7 255 13 381.7 381.7 302.6 382.0 0.07 22 131 14255 -51.5 -63.5 23 12.0 -52.0 252 14 396.4 396.4 304.8 396.7 0.06 23 121 14765 -54.7 -66.7 21 12.0 -55.1 250 14 399.6 399.7 305.2 399.8 0.04 24 110 15376 -52.1 -65.1 20 13.0 -52.7 247 15 415.6 415.6 307.2 415.9 0.05 25 100 15990 -52.5 -66.5 17 14.0 -53.1 245 15 426.3 426.3 308.4 426.6 0.05 26 97 16187 -51.9 -65.9 17 14.0 -52.5 245 15 431.2 431.2 309.0 431.5 0.06 27 77 17679 -51.9 -67.9 13 16.0 -52.7 241 12 460.6 460.6 311.8 460.9 0.05 28 72 18110 -55.1 -70.1 14 15.0 -55.7 240 11 462.8 462.8 312.0 463.0 0.04 29 70 18290 -54.5 -70.5 12 16.0 -55.2 240 11 467.8 467.8 312.5 468.0 0.04 30 50 20450 -52.7 -69.7 11 17.0 -53.9 250 7 519.3 519.3 316.3 519.7 0.06 31 47 20850 -51.7 -69.7 10 18.0 -53.1 248 7 531.0 531.0 317.0 531.4 0.07 32 41 21728 -55.1 -73.1 9 18.0 -56.2 242 9 543.6 543.6 317.8 543.9 0.05 33 37 22388 -52.1 -70.1 10 18.0 -53.7 238 9 567.5 567.6 319.0 568.1 0.08 34 30 23740 -53.5 -72.5 8 19.0 -55.2 230 11 598.8 598.8 320.6 599.3 0.07 35 26 24661 -53.9 -72.9 8 19.0 -55.8 209 10 622.7 622.7 321.6 623.3 0.08 36 20 26370 -48.1 -69.1 7 21.0 -51.9 170 7 688.9 689.0 324.1 690.4 0.17 37 19 26709 -47.3 -68.3 7 21.0 -51.4 701.6 701.7 324.6 703.4 0.20 38 15 28264 -49.9 -70.9 7 21.0 -53.9 742.0 742.1 325.7 743.7 0.18 39 11 30311 -45.7 -68.7 6 23.0 -52.2 826.1 826.3 328.0 829.6 0.33 TRP 284 9219 -55.5 -59.1 64 3.6 -55.6 135 5 312.0 312.0 286.1 312.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5338.00 m Freezing level: 886.43 mb = 1073.69 m = 3522.55 ft Wetbulb zero: 913.13 mb = 828.56 m = 2718.33 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 76.68 % Est. max temperature: 11.18 C = 52.12 F Sfc-Lift cond lev (LCL): 962.54 mb = 402.05 m = 1319.06 ft T: 3.71 C 700-500 lapse rate: 6.54 C/km ThetaE index: 0.61 C Layer 700.0- 504.0 mb Conv cond level (CCL): 863.18 mb = 1279.59 m = 4198.09 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 10.55 C = 50.98 F Cap Strength: 7.93 C Lifted Index: 7.20 C Risk: None Lifted Index @300 mb: 11.93 C Lifted Index @700 mb: 3.15 C Showalter Index: 6.03 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 22.90 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 29.00 Risk: None Energy Index: 1.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.15 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 56611.03 J/kg Cap Strength: 7.78 C Lift Cond Lev (LCL): 908.77 mb = 866.94 m = 2844.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 142 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 ---------------------------------------------------------- 0 999 100 45 1 -0.7 -0.7 | 329 8 4.0 -6.6 1 925 725 130 5 -3.8 3.2 | 342 3 0.9 -2.7 2 850 1403 115 9 -8.2 3.8 | 58 4 -3.4 -2.1 3 700 2922 105 13 -12.6 3.4 | 72 8 -7.8 -2.6 4 500 5430 115 11 -10.0 4.6 | 76 5 -5.3 -1.3 5 400 7000 135 7 -4.9 4.9 | 13 1 -0.2 -1.0 6 300 8870 150 13 -6.5 11.3 | 161 6 -1.8 5.3 7 284 9219 135 5 -3.5 3.5 | 334 3 1.2 -2.4 8 250 10040 150 1 -0.5 0.9 | 320 7 4.2 -5.1 9 200 11500 255 15 14.5 3.9 | 276 19 19.2 -2.1 10 150 13380 255 13 12.6 3.4 | 278 17 17.3 -2.6 11 100 15990 245 15 13.6 6.3 | 269 18 18.3 0.4 12 70 18290 240 11 9.5 5.5 | 272 14 14.2 -0.4 13 50 20450 250 7 6.6 2.4 | 287 12 11.3 -3.5 14 30 23740 230 11 8.4 7.1 | 265 13 13.1 1.1 15 20 26370 170 7 -1.2 6.9 | 255 4 3.5 1.0 Wind Parameters Mean winds (0-6000m): 111.6 at 10.1 knts Storm direction: 141.6 at 7.6 knts Shear (0-3000m) pos: 1.2 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 8.8 neg: -0.3 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.48 Bulk Shear: 7.53 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 ------------------------------------------------------------------------------- 500 117 3 333 5| 4.1 0.0 4.1| 4.4 0.0 4.4 8.7 0.53| 4.6 2.5 1000 123 4 342 4| 3.6 0.0 3.6| 5.8 -0.3 5.5 5.5 0.51| 4.3 2.2 1500 119 6 4 3| 2.4 0.9 3.3| 7.2 -0.3 7.0 4.6 0.54| 3.7 2.0 2000 116 7 24 3| 1.8 1.0 2.8| 8.0 -0.3 7.7 3.8 0.52| 3.2 1.7 2500 114 8 40 4| 1.5 1.1 2.6| 8.5 -0.3 8.2 3.3 0.49| 2.8 1.4 3000 111 9 49 4| 1.2 1.1 2.3| 8.8 -0.3 8.6 2.9 0.46| 2.5 1.2 4000 110 10 58 5| 0.9 0.8 1.7| 9.3 -0.3 9.1 2.3 0.45| 2.1 0.9 5000 110 10 62 5| 0.7 0.6 1.3| 9.6 -0.3 9.4 1.9 0.43| 1.8 0.8 6000 112 10 65 5| 0.5 0.5 1.1| 9.7 -0.4 9.4 1.6 0.37| 1.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250428.12.gif