UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 4 DEC 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 ------------------------------------------------------------------------------- SFC 1003 102 -18.1 -23.0 65 4.9 -18.8 250 3 254.8 254.9 254.2 256.5 0.60 1 1000 124 -16.7 -21.1 69 4.4 -17.4 245 5 256.5 256.6 255.8 258.4 0.71 2 971 342 -15.1 -20.1 66 5.0 -16.0 262 9 260.2 260.4 259.0 262.4 0.80 3 925 701 -17.3 -24.3 54 7.0 -18.3 290 15 261.6 261.7 259.6 263.2 0.58 4 850 1338 -22.1 -29.1 53 7.0 -22.9 315 21 263.0 263.1 260.3 264.2 0.41 5 848 1355 -22.3 -29.3 53 7.0 -23.1 315 21 263.0 263.0 260.3 264.1 0.40 6 809 1705 -17.7 -24.7 54 7.0 -18.8 319 25 271.4 271.5 266.9 273.3 0.64 7 700 2775 -23.9 -34.9 36 11.0 -25.0 330 36 276.0 276.1 269.2 276.9 0.28 8 695 2827 -23.9 -35.9 32 12.0 -25.1 330 36 276.6 276.6 269.5 277.4 0.26 9 662 3180 -25.9 -39.9 26 14.0 -27.1 331 37 278.2 278.2 270.4 278.8 0.18 10 506 5069 -39.9 -51.9 27 12.0 -40.3 335 44 283.4 283.4 273.2 283.6 0.06 11 500 5150 -39.9 -51.9 27 12.0 -40.3 335 44 284.4 284.4 273.8 284.6 0.06 12 400 6650 -48.1 -61.1 21 13.0 -48.3 325 36 292.5 292.5 277.9 292.6 0.03 13 347 7573 -53.7 -66.7 19 13.0 -53.9 322 37 297.0 297.0 280.0 297.1 0.01 14 317 8150 -55.9 -68.9 18 13.0 -56.1 320 38 301.8 301.8 282.1 301.8 0.01 15 300 8500 -55.9 -68.9 18 13.0 -56.1 315 40 306.6 306.6 284.0 306.6 0.01 16 280 8943 -55.5 -68.5 18 13.0 -55.6 307 41 313.2 313.2 286.5 313.3 0.01 17 252 9628 -49.7 -63.7 18 14.0 -50.0 296 42 331.4 331.4 292.2 331.5 0.03 18 250 9680 -49.7 -63.7 18 14.0 -50.0 295 42 332.2 332.2 292.3 332.3 0.03 19 217 10601 -52.3 -66.3 17 14.0 -52.6 289 45 341.9 341.9 294.8 342.0 0.02 20 200 11130 -51.1 -66.1 15 15.0 -51.5 285 46 351.8 351.9 297.1 352.0 0.03 21 150 13000 -50.7 -67.7 12 17.0 -51.2 275 56 382.7 382.7 302.7 382.8 0.03 22 132 13838 -47.9 -65.9 11 18.0 -48.7 272 53 402.0 402.0 305.5 402.2 0.04 23 117 14628 -51.5 -69.5 10 18.0 -52.1 269 51 409.4 409.4 306.5 409.6 0.03 24 100 15650 -50.3 -69.3 9 19.0 -51.1 265 48 430.5 430.5 308.9 430.7 0.03 25 97 15849 -50.5 -69.5 9 19.0 -51.3 265 47 433.9 433.9 309.3 434.1 0.03 26 79 17171 -56.7 -75.7 7 19.0 -57.2 262 39 447.3 447.3 310.6 447.4 0.02 27 70 17940 -55.9 -75.9 6 20.0 -56.5 260 35 464.8 464.8 312.2 464.9 0.02 28 64 18510 -56.5 -76.5 6 20.0 -57.2 257 38 475.5 475.5 313.1 475.6 0.02 29 59 19031 -52.7 -73.7 6 21.0 -53.8 255 41 495.3 495.3 314.6 495.5 0.03 30 50 20100 -53.1 -74.1 6 21.0 -54.3 250 46 518.3 518.4 316.2 518.6 0.03 31 45 20774 -56.3 -76.3 6 20.0 -57.2 526.4 526.4 316.7 526.6 0.03 32 37 22029 -52.3 -73.3 6 21.0 -53.9 567.0 567.0 319.0 567.4 0.05 33 34 22574 -53.7 -74.7 6 21.0 -55.2 577.2 577.2 319.5 577.5 0.04 TRP 317 8150 -55.9 -68.9 18 13.0 -56.1 320 38 301.8 301.8 282.1 301.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5026.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 39.93 % Est. max temperature: -9.99 C = 14.03 F Sfc-Lift cond lev (LCL): 925.42 mb = 697.63 m = 2288.80 ft T: -17.28 C 700-500 lapse rate: 6.74 C/km ThetaE index: 0.05 C Layer 848.0- 809.0 mb Conv cond level (CCL): 655.45 mb = 3250.25 m = 10663.41 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 5.51 C = 41.91 F Cap Strength: 17.62 C Lifted Index: 18.32 C Risk: None Lifted Index @300 mb: 31.50 C Lifted Index @700 mb: 13.17 C Showalter Index: 16.68 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 10.80 C K Index: -22.30 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 4.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.86 J/kg Max Up Vert Vel: 6.30 m/s Conv Inhibition (B-): 50014.05 J/kg Cap Strength: 17.59 C Lift Cond Lev (LCL): 866.81 mb = 1190.48 m = 3905.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 at 24 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 1003 102 250 3 2.8 1.0 | 184 25 2.0 25.3 1 1000 124 245 5 4.5 2.1 | 188 27 3.7 26.4 2 925 701 290 15 14.1 -5.1 | 215 23 13.3 19.1 3 850 1338 315 21 14.8 -14.8 | 236 17 14.0 9.4 4 700 2775 330 36 18.0 -31.2 | 292 19 17.2 -6.9 5 500 5150 335 44 18.6 -39.9 | 311 24 17.8 -15.6 6 400 6650 325 36 20.6 -29.5 | 285 20 19.8 -5.2 7 317 8150 320 38 24.4 -29.1 | 282 24 23.6 -4.8 8 300 8500 315 40 28.3 -28.3 | 278 28 27.5 -4.0 9 250 9680 295 42 38.1 -17.7 | 260 38 37.2 6.5 10 200 11130 285 46 44.4 -11.9 | 254 45 43.6 12.4 11 150 13000 275 56 55.8 -4.9 | 251 58 55.0 19.4 12 100 15650 265 48 47.8 4.2 | 239 55 47.0 28.5 13 70 17940 260 35 34.5 6.1 | 228 45 33.6 30.3 14 50 20100 250 46 43.2 15.7 | 227 58 42.4 40.0 Wind Parameters Mean winds (0-6000m): 328.0 at 32.4 knts Storm direction: 358.0 at 24.3 knts Shear (0-3000m) pos: 6.3 neg: 0.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 212.2 neg: 0.0 tot: 212.2 m^2/s^2 ave: 70.7 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 6.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.19 Bulk Shear: 106.78 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 ------------------------------------------------------------------------------- 500 272 9 199 25| 11.2 0.0 11.2| 78.7 0.0 78.7 157.4 0.94| 12.5 11.7 1000 290 13 209 23| 8.9 0.0 8.9|119.3 0.0 119.3 119.3 0.88| 10.6 9.4 1500 301 15 217 20| 7.8 0.0 7.8|145.9 0.0 145.9 97.3 0.87| 9.4 8.2 2000 309 18 226 19| 7.3 0.0 7.3|171.0 0.0 171.0 85.5 0.90| 8.5 7.7 2500 315 21 235 17| 6.9 0.0 6.9|197.5 0.0 197.5 79.0 0.91| 8.1 7.3 3000 319 23 245 16| 6.3 0.0 6.3|212.2 0.0 212.2 70.7 0.91| 7.3 6.6 4000 324 27 261 16| 5.2 0.0 5.2|228.2 0.0 228.2 57.0 0.90| 5.9 5.4 5000 327 30 274 16| 4.5 0.0 4.5|245.3 0.0 245.3 49.1 0.89| 5.1 4.6 6000 328 32 281 17| 3.7 0.6 4.3|245.3 -37.5 207.8 34.6 0.68| 4.8 3.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251204.12.gif