UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 25 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 40 225 3 SFC 992 105 4.2 1.7 84 2.5 3.1 225 3 278.0 278.7 276.6 289.9 4.36 2 970 288 4.6 0.4 74 4.2 2.7 236 8 280.2 280.9 277.4 291.4 4.06 3 925 673 1.4 -2.8 74 4.2 -0.3 260 19 280.7 281.3 276.7 290.2 3.36 4 850 1349 -2.7 -7.3 71 4.6 -4.4 270 13 283.3 283.8 277.0 290.8 2.60 5 806 1767 -5.9 -11.9 63 6.0 -7.8 270 13 284.3 284.6 276.6 289.8 1.90 6 700 2853 -14.3 -19.2 66 4.9 -15.4 270 13 286.6 286.9 276.8 290.3 1.19 7 622 3734 -21.1 -25.4 68 4.3 -21.8 256 11 288.7 288.8 277.2 291.1 0.78 8 500 5300 -34.3 -37.8 70 3.5 -34.6 230 7 291.2 291.3 277.7 292.2 0.29 9 450 6027 -41.1 -44.5 70 3.4 -41.3 225 8 291.6 291.6 277.7 292.1 0.16 10 446 6088 -41.5 -44.8 70 3.3 -41.6 225 8 291.8 291.9 277.8 292.4 0.16 11 400 6820 -45.5 -49.7 63 4.2 -45.6 220 9 295.9 295.9 279.6 296.2 0.10 12 375 7250 -47.5 -52.4 57 4.9 -47.6 225 9 298.7 298.7 280.9 299.0 0.08 13 363 7467 -45.3 -50.2 58 4.9 -45.5 227 10 304.4 304.5 283.3 304.8 0.11 14 329 8124 -46.7 -52.7 50 6.0 -46.9 234 13 311.2 311.2 285.9 311.5 0.09 15 300 8740 -45.1 -53.1 40 8.0 -45.4 240 15 321.8 321.8 289.4 322.1 0.09 16 283 9132 -41.5 -50.5 37 9.0 -42.1 243 15 332.4 332.4 292.5 332.9 0.13 17 250 9970 -42.3 -54.3 26 12.0 -42.9 250 15 343.2 343.2 295.2 343.6 0.10 18 212 11078 -43.7 -59.7 15 16.0 -44.5 243 19 357.6 357.6 298.2 357.8 0.06 19 204 11337 -42.3 -59.3 14 17.0 -43.2 241 20 363.7 363.7 299.5 364.0 0.06 20 200 11470 -42.9 -59.9 14 17.0 -43.8 240 21 364.8 364.9 299.7 365.1 0.06 21 150 13400 -46.9 -67.9 7 21.0 -47.7 235 25 389.2 389.3 303.7 389.4 0.03 22 143 13715 -48.1 -69.1 7 21.0 -48.8 236 25 392.5 392.5 304.2 392.6 0.02 23 117 15041 -46.5 -68.5 6 22.0 -47.6 238 24 418.7 418.7 307.6 418.8 0.03 24 101 16006 -51.7 -73.7 5 22.0 -52.4 240 23 426.6 426.6 308.4 426.7 0.02 25 100 16070 -51.7 -73.7 5 22.0 -52.4 240 23 427.8 427.8 308.6 427.9 0.02 26 92 16611 -53.1 -75.1 5 22.0 -53.8 244 19 435.4 435.4 309.4 435.5 0.02 27 80 17519 -50.7 -72.7 6 22.0 -51.7 249 13 458.1 458.1 311.6 458.2 0.03 28 71 18289 -55.7 -77.7 5 22.0 -56.3 254 8 463.3 463.3 312.1 463.4 0.01 29 70 18380 -54.7 -76.7 5 22.0 -55.5 255 7 467.4 467.4 312.4 467.5 0.02 30 62 19155 -54.9 -76.9 5 22.0 -55.7 253 9 483.4 483.4 313.7 483.5 0.02 31 55 19915 -57.9 -79.9 4 22.0 -58.6 251 11 493.4 493.4 314.5 493.5 0.01 32 50 20520 -54.3 -76.3 5 22.0 -55.4 250 13 515.5 515.5 316.0 515.7 0.02 33 49 20649 -53.7 -75.7 5 22.0 -54.8 249 13 519.9 519.9 316.3 520.1 0.03 34 30 23790 -54.9 -76.9 5 22.0 -56.5 215 5 595.0 595.0 320.4 595.2 0.04 35 22 25783 -54.1 -77.1 4 23.0 -56.2 215 3 652.5 652.6 322.8 652.9 0.05 36 20 26400 -51.7 -74.7 5 23.0 -54.6 215 3 677.9 678.0 323.7 678.6 0.08 37 14 28725 -49.5 -73.5 4 24.0 -53.9 758.2 758.2 326.2 759.4 0.13 38 13 29216 -44.9 -69.9 4 25.0 -51.3 790.4 790.5 327.1 792.7 0.24 TRP 375 7250 -47.5 -52.4 57 4.9 -47.6 225 9 298.7 298.7 280.9 299.0 0.08 WND Sounding variables and indices 1000-500 mb thick: 5260.00 m Freezing level: 899.39 mb = 903.83 m = 2965.28 ft Wetbulb zero: 929.90 mb = 630.18 m = 2067.51 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 68.74 % Est. max temperature: 9.69 C = 49.44 F Sfc-Lift cond lev (LCL): 954.41 mb = 419.36 m = 1375.83 ft T: 3.51 C 700-500 lapse rate: 8.17 C/km ThetaE index: 1.28 C Layer 925.0- 850.0 mb Conv cond level (CCL): 846.39 mb = 1382.49 m = 4535.66 ft Mean mixing ratio: 3.63 g/kg Conv temperature: 9.59 C = 49.27 F Cap Strength: 1.73 C Lifted Index: 1.48 C Risk: Showers probable Lifted Index @300 mb: 22.15 C Lifted Index @700 mb: 0.91 C Showalter Index: 1.36 C Risk: Showers probable Total Totals Index: 58.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.60 C Cross Totals Index: 27.00 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 225.00 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.82 J/kg Max Up Vert Vel: 4.20 m/s Conv Inhibition (B-): 64340.28 J/kg Cap Strength: 1.73 C Lift Cond Lev (LCL): 884.49 mb = 1030.98 m = 3382.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 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 ---------------------------------------------------------- 0 992 105 225 3 2.1 2.1 | 130 8 -5.8 4.8 1 925 673 260 19 18.7 3.3 | 241 12 10.8 6.0 2 850 1349 270 13 13.0 -0.0 | 242 6 5.1 2.7 3 700 2853 270 13 13.0 -0.0 | 242 6 5.1 2.7 4 500 5300 230 7 5.4 4.5 | 161 8 -2.5 7.2 5 400 6820 220 9 5.8 6.9 | 168 10 -2.1 9.6 6 375 7250 225 9 6.4 6.4 | 170 9 -1.5 9.0 7 300 8740 240 15 13.0 7.5 | 207 11 5.1 10.2 8 250 9970 250 15 14.1 5.1 | 218 10 6.2 7.8 9 200 11470 240 21 18.2 10.5 | 218 17 10.3 13.2 10 150 13400 235 25 20.5 14.3 | 217 21 12.6 17.0 11 100 16070 240 23 19.9 11.5 | 220 19 12.0 14.2 12 70 18380 255 7 6.8 1.8 | 166 5 -1.1 4.5 13 50 20520 250 13 12.2 4.4 | 211 8 4.3 7.1 14 30 23790 215 5 2.9 4.1 | 143 8 -5.0 6.8 15 20 26400 215 3 1.7 2.5 | 130 8 -6.2 5.1 Wind Parameters Mean winds (0-6000m): 258.7 at 11.1 knts Storm direction: 288.7 at 8.3 knts Shear (0-3000m) pos: 1.9 neg: 0.2 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 37.8 neg: -1.9 tot: 35.9 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 38.54 Bulk Shear: 0.23 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 ------------------------------------------------------------------------------- 500 255 10 198 6| 15.0 0.0 15.0| 30.8 0.0 30.8 61.7 0.94| 15.7 14.9 1000 259 14 227 8| 6.7 0.0 6.7| 37.8 0.0 37.8 37.8 0.78| 11.0 8.6 1500 262 14 231 7| 3.8 0.0 3.8| 37.8 -0.2 37.6 25.1 0.70| 8.2 5.7 2000 264 13 234 7| 2.9 0.0 2.9| 37.8 -0.2 37.6 18.8 0.70| 6.1 4.3 2500 265 13 236 7| 2.3 0.0 2.3| 37.8 -0.2 37.6 15.0 0.70| 4.9 3.4 3000 266 13 236 6| 1.9 0.2 2.1| 37.8 -1.9 35.9 12.0 0.63| 4.3 2.7 4000 265 13 231 6| 1.4 0.7 2.1| 37.8 -8.1 29.7 7.4 0.40| 3.7 1.5 5000 262 12 222 6| 1.1 0.9 2.0| 37.8 -14.0 23.7 4.7 0.26| 3.3 0.9 6000 259 11 212 6| 1.0 0.8 1.7| 39.2 -15.2 24.0 4.0 0.24| 2.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250425.12.gif