UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 27 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 72 20 1 SFC 996 105 7.6 1.6 66 6.0 4.8 20 1 281.1 281.8 278.2 293.1 4.31 2 980 238 7.6 0.6 61 7.0 4.4 32 3 282.4 283.1 278.5 293.8 4.07 3 925 711 3.6 -3.4 60 7.0 0.7 75 9 283.0 283.5 277.7 292.1 3.21 4 850 1391 -1.3 -4.3 80 3.0 -2.5 245 3 284.8 285.4 278.7 294.1 3.27 5 700 2910 -11.7 -14.5 80 2.8 -12.5 300 15 289.5 289.8 279.0 294.9 1.77 6 676 3176 -13.7 -16.1 82 2.4 -14.3 297 16 290.2 290.5 279.1 295.1 1.61 7 670 3244 -13.7 -16.0 83 2.3 -14.3 297 17 290.9 291.2 279.5 295.9 1.64 8 500 5410 -27.5 -38.5 34 11.0 -28.6 275 29 299.5 299.6 281.5 300.4 0.27 9 454 6098 -31.3 -46.3 21 15.0 -32.4 275 29 303.1 303.2 282.8 303.6 0.13 10 436 6383 -33.7 -48.7 21 15.0 -34.6 275 29 303.6 303.6 283.0 304.0 0.11 11 400 6980 -38.7 -53.7 19 15.0 -39.4 275 29 304.7 304.7 283.4 304.9 0.06 12 368 7544 -44.3 -57.3 22 13.0 -44.7 275 32 304.6 304.6 283.3 304.8 0.04 13 300 8880 -54.5 -65.5 25 11.0 -54.6 275 40 308.5 308.5 284.8 308.6 0.02 14 294 9009 -55.5 -66.5 24 11.0 -55.6 270 42 308.9 308.9 284.9 309.0 0.02 15 280 9323 -51.9 -62.9 26 11.0 -52.1 268 41 318.4 318.4 288.3 318.5 0.03 16 250 10060 -50.7 -60.7 30 10.0 -51.0 265 40 330.7 330.7 291.9 330.9 0.04 17 203 11413 -52.1 -64.1 22 12.0 -52.4 274 44 348.8 348.8 296.4 348.9 0.03 18 200 11510 -51.5 -63.5 23 12.0 -51.8 275 44 351.2 351.2 296.9 351.4 0.04 19 186 11985 -48.7 -61.7 21 13.0 -49.2 272 42 363.1 363.1 299.4 363.3 0.05 20 150 13390 -52.5 -67.5 15 15.0 -52.9 265 35 379.6 379.6 302.2 379.8 0.03 21 141 13788 -52.9 -68.9 13 16.0 -53.4 266 33 385.7 385.7 303.2 385.8 0.03 22 125 14568 -49.3 -66.3 12 17.0 -50.0 267 28 405.7 405.7 306.0 405.9 0.04 23 100 16020 -51.1 -69.1 10 18.0 -51.8 270 19 429.0 429.0 308.7 429.2 0.03 24 91 16631 -53.3 -72.3 8 19.0 -53.9 265 18 436.4 436.4 309.5 436.5 0.02 25 85 17072 -51.5 -70.5 9 19.0 -52.4 261 17 448.6 448.6 310.7 448.8 0.03 26 70 18320 -56.3 -75.3 7 19.0 -56.9 250 15 463.9 463.9 312.1 464.1 0.02 27 69 18411 -56.5 -75.5 7 19.0 -57.1 250 15 465.4 465.4 312.3 465.5 0.02 28 57 19635 -52.1 -73.1 6 21.0 -53.2 250 15 501.5 501.6 315.1 501.8 0.03 29 50 20480 -53.5 -73.5 7 20.0 -54.6 250 15 517.4 517.4 316.1 517.6 0.04 30 36 22593 -54.7 -75.7 6 21.0 -56.1 237 11 565.3 565.3 318.9 565.5 0.04 31 32 23352 -52.3 -74.3 5 22.0 -54.2 233 10 591.1 591.1 320.2 591.4 0.05 32 30 23770 -52.5 -74.5 5 22.0 -54.4 230 9 601.5 601.5 320.7 601.9 0.05 33 27 24449 -54.7 -76.7 5 22.0 -56.4 233 8 613.7 613.8 321.2 614.0 0.04 34 22 25777 -49.9 -72.9 5 23.0 -53.0 238 6 665.1 665.1 323.3 665.8 0.09 35 20 26400 -50.9 -73.9 5 23.0 -54.0 240 5 680.4 680.4 323.8 681.1 0.09 36 19 26734 -51.1 -74.1 5 23.0 -54.2 689.8 689.8 324.1 690.6 0.09 37 14 28749 -44.7 -68.7 5 24.0 -50.8 774.5 774.6 326.7 777.0 0.26 38 11 30364 -44.3 -69.3 5 25.0 -51.5 831.2 831.4 328.1 834.4 0.31 TRP 294 9009 -55.5 -66.5 24 11.0 -55.6 270 42 308.9 308.9 284.9 309.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5338.00 m Freezing level: 869.90 mb = 1210.59 m = 3971.71 ft Wetbulb zero: 908.18 mb = 858.61 m = 2816.93 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 67.69 % Est. max temperature: 11.43 C = 52.57 F Sfc-Lift cond lev (LCL): 908.57 mb = 855.15 m = 2805.57 ft T: 2.56 C 700-500 lapse rate: 6.32 C/km ThetaE index: 1.69 C Layer 925.0- 850.0 mb Conv cond level (CCL): 814.26 mb = 1727.10 m = 5666.26 ft Mean mixing ratio: 3.60 g/kg Conv temperature: 12.38 C = 54.29 F Cap Strength: 2.57 C Lifted Index: 6.58 C Risk: None Lifted Index @300 mb: 11.16 C Lifted Index @700 mb: 2.05 C Showalter Index: 5.64 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 23.20 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 43.00 Risk: None Energy Index: 1.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.52 J/kg Max Up Vert Vel: 3.32 m/s Conv Inhibition (B-): 66397.53 J/kg Cap Strength: 6.50 C Lift Cond Lev (LCL): 852.92 mb = 1363.46 m = 4473.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 12 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 ---------------------------------------------------------- 0 996 105 20 1 -0.3 -0.9 | 130 12 -9.1 7.6 1 925 711 75 9 -8.7 -2.3 | 109 19 -17.4 6.2 2 850 1391 245 3 2.7 1.3 | 148 11 -6.0 9.8 3 700 2910 300 15 13.0 -7.5 | 257 4 4.2 1.0 4 500 5410 275 29 28.9 -2.5 | 253 21 20.1 6.0 5 400 6980 275 29 28.9 -2.5 | 253 21 20.1 6.0 6 300 8880 275 40 39.8 -3.5 | 261 32 31.1 5.0 7 294 9009 270 42 42.0 -0.0 | 256 34 33.3 8.5 8 250 10060 265 40 39.8 3.5 | 249 33 31.1 12.0 9 200 11510 275 44 43.8 -3.8 | 262 35 35.1 4.7 10 150 13390 265 35 34.9 3.1 | 246 29 26.1 11.5 11 100 16020 270 19 19.0 -0.0 | 230 13 10.3 8.5 12 70 18320 250 15 14.1 5.1 | 201 15 5.3 13.6 13 50 20480 250 15 14.1 5.1 | 201 15 5.3 13.6 14 30 23770 230 9 6.9 5.8 | 173 14 -1.9 14.3 15 20 26400 240 5 4.3 2.5 | 158 12 -4.4 11.0 Wind Parameters Mean winds (0-6000m): 284.2 at 16.3 knts Storm direction: 314.2 at 12.2 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 130.6 deg Storm rel helicity (0-3000m) pos: 92.8 neg: -17.0 tot: 75.7 m^2/s^2 ave: 25.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 52.61 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 70 4 119 15| 7.1 0.0 7.1| 0.0 -15.4 -15.4 -30.9 -0.61| 7.7 -4.7 1000 85 6 119 17| 3.3 0.0 3.3| 60.7 -15.4 45.3 45.3 0.34| 11.5 3.9 1500 75 5 117 16| 1.8 0.0 1.8| 70.8 -17.0 53.7 35.8 0.34| 10.2 3.4 2000 39 6 109 13| 2.3 0.0 2.3| 80.4 -17.0 63.4 31.7 0.40| 8.8 3.6 2500 306 7 144 6| 2.6 0.0 2.6| 88.1 -17.0 71.1 28.4 0.46| 8.1 3.7 3000 307 8 147 4| 2.7 0.0 2.7| 92.8 -17.0 75.7 25.2 0.49| 7.6 3.7 4000 298 11 191 4| 2.1 0.8 2.9| 93.3 -17.7 75.5 18.9 0.43| 6.5 2.8 5000 290 14 226 6| 1.6 1.4 3.0| 93.3 -24.4 68.8 13.8 0.35| 5.9 2.1 6000 284 16 237 8| 1.4 1.3 2.7| 93.3 -28.4 64.9 10.8 0.32| 5.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250427.12.gif