UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 7 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 1000 102 -5.3 -11.3 63 6.0 -7.0 250 1 267.9 268.1 266.2 272.3 1.61 1 982 244 -3.9 -10.9 58 7.0 -6.0 258 3 270.7 270.9 268.2 275.3 1.69 2 925 711 -7.7 -15.7 53 8.0 -9.6 285 11 271.4 271.6 267.9 274.9 1.21 3 853 1335 -12.3 -18.3 61 6.0 -13.6 280 7 273.0 273.2 268.7 276.0 1.06 4 850 1362 -12.3 -18.3 61 6.0 -13.6 280 7 273.3 273.4 268.8 276.3 1.06 5 811 1722 -11.9 -17.9 61 6.0 -13.3 276 12 277.4 277.6 271.6 280.7 1.15 6 700 2836 -18.1 -25.1 54 7.0 -19.3 265 29 282.4 282.6 273.8 284.6 0.71 7 596 4019 -24.5 -30.5 57 6.0 -25.3 260 34 288.3 288.4 276.6 289.9 0.51 8 500 5270 -34.5 -41.5 49 7.0 -35.0 255 40 291.0 291.0 277.5 291.6 0.20 9 428 6343 -41.9 -51.9 33 10.0 -42.3 252 40 294.8 294.8 279.1 295.0 0.07 10 400 6800 -43.7 -54.7 29 11.0 -44.0 250 40 298.2 298.2 280.6 298.4 0.06 11 314 8394 -51.5 -64.5 20 13.0 -51.7 260 50 308.7 308.7 284.8 308.8 0.02 12 300 8690 -50.9 -63.9 20 13.0 -51.1 260 52 313.6 313.6 286.6 313.7 0.02 13 295 8800 -50.9 -63.9 20 13.0 -51.1 258 53 315.1 315.1 287.2 315.2 0.02 14 250 9880 -50.7 -64.7 17 14.0 -51.0 240 60 330.7 330.7 291.9 330.8 0.03 15 208 11083 -49.7 -65.4 14 15.6 -50.1 255 77 350.1 350.1 296.7 350.2 0.03 16 200 11340 -49.5 -65.5 14 16.0 -50.0 255 77 354.4 354.4 297.6 354.5 0.03 17 150 13220 -48.9 -67.9 9 19.0 -49.6 260 62 385.8 385.8 303.2 385.9 0.03 18 128 14264 -49.1 -69.1 8 20.0 -49.8 258 60 403.4 403.4 305.7 403.5 0.03 19 100 15870 -53.7 -73.7 7 20.0 -54.3 255 56 424.0 424.0 308.2 424.1 0.02 20 90 16544 -55.1 -75.1 7 20.0 -55.6 255 55 434.2 434.2 309.3 434.2 0.02 21 74 17801 -52.1 -73.1 6 21.0 -53.0 255 53 465.5 465.5 312.3 465.6 0.03 22 70 18160 -52.5 -73.5 6 21.0 -53.4 255 52 472.1 472.1 312.8 472.2 0.03 23 56 19594 -54.5 -74.5 7 20.0 -55.4 242 43 498.6 498.6 314.9 498.8 0.03 24 52 20074 -49.5 -71.5 6 22.0 -51.1 237 40 520.9 521.0 316.4 521.3 0.05 25 50 20330 -50.7 -71.7 7 21.0 -52.2 235 38 524.0 524.0 316.6 524.3 0.05 26 43 21297 -57.3 -77.3 6 20.0 -58.2 241 43 530.9 530.9 317.0 531.0 0.02 27 37 22248 -56.3 -77.3 5 21.0 -57.4 247 47 556.7 556.8 318.5 556.9 0.03 28 33 22989 -47.7 -69.7 6 22.0 -50.5 251 51 598.1 598.1 320.6 598.8 0.10 29 30 23620 -46.1 -69.1 6 23.0 -49.5 255 54 619.0 619.0 321.5 619.9 0.12 30 28 24079 -47.9 -70.9 5 23.0 -51.0 248 50 626.3 626.3 321.8 627.0 0.10 31 25 24842 -40.3 -64.3 6 24.0 -46.1 237 44 668.8 668.9 323.4 671.0 0.27 32 20 26340 -49.1 -73.1 4 24.0 -52.7 215 31 685.9 685.9 324.0 686.7 0.10 33 19 26678 -50.5 -73.5 5 23.0 -53.8 206 30 691.7 691.7 324.2 692.5 0.10 34 18 27036 -45.7 -69.7 5 24.0 -50.7 197 29 717.6 717.7 325.0 719.2 0.18 35 13 29193 -50.3 -74.3 4 24.0 -54.6 140 22 771.7 771.7 326.5 772.8 0.12 36 12 29722 -47.1 -72.1 4 25.0 -52.9 127 21 800.9 801.0 327.3 802.7 0.19 37 10 30940 -44.5 -69.5 5 25.0 -52.0 95 17 853.4 853.6 328.5 856.9 0.33 TRP 314 8394 -51.5 -64.5 20 13.0 -51.7 260 50 308.7 308.7 284.8 308.8 0.02 WND 208 11083 -49.7 -65.4 14 15.6 -50.1 255 77 350.1 350.1 296.7 350.2 0.03 Sounding variables and indices 1000-500 mb thick: 5167.91 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 56.12 % Est. max temperature: 0.11 C = 32.20 F Sfc-Lift cond lev (LCL): 909.12 mb = 844.36 m = 2770.17 ft T: -8.68 C 700-500 lapse rate: 6.74 C/km ThetaE index: 0.47 C Layer 925.0- 853.0 mb Conv cond level (CCL): 721.25 mb = 2609.62 m = 8561.66 ft Mean mixing ratio: 1.42 g/kg Conv temperature: 8.27 C = 46.88 F Cap Strength: 12.34 C Lifted Index: 13.47 C Risk: None Lifted Index @300 mb: 27.48 C Lifted Index @700 mb: 8.48 C Showalter Index: 12.33 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 16.20 C K Index: -3.10 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.59 J/kg Max Up Vert Vel: 4.15 m/s Conv Inhibition (B-): 69697.47 J/kg Cap Strength: 13.41 C Lift Cond Lev (LCL): 845.43 mb = 1403.24 m = 4603.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 19 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 1000 102 250 1 0.9 0.3 | 113 19 -17.2 7.2 1 925 711 285 11 10.6 -2.8 | 118 9 -7.5 4.0 2 850 1362 280 7 6.9 -1.2 | 117 13 -11.3 5.7 3 700 2836 265 29 28.9 2.5 | 229 14 10.7 9.4 4 500 5270 255 40 38.6 10.4 | 230 27 20.5 17.2 5 400 6800 250 40 37.6 13.7 | 223 28 19.4 20.6 6 314 8394 260 50 49.2 8.7 | 243 35 31.1 15.6 7 300 8690 260 52 51.2 9.0 | 244 37 33.0 15.9 8 250 9880 240 60 52.0 30.0 | 222 50 33.8 36.9 9 208 11083 255 77 74.4 19.9 | 244 62 56.2 26.8 10 200 11340 255 77 74.4 19.9 | 244 62 56.2 26.8 11 150 13220 260 62 61.1 10.8 | 248 46 42.9 17.7 12 100 15870 255 56 54.1 14.5 | 239 42 35.9 21.4 13 70 18160 255 52 50.2 13.5 | 238 38 32.1 20.3 14 50 20330 235 38 31.1 21.8 | 204 31 13.0 28.7 15 30 23620 255 54 52.2 14.0 | 238 40 34.0 20.9 16 20 26340 215 31 17.8 25.4 | 179 32 -0.4 32.3 17 10 30940 95 17 -16.9 1.5 | 103 36 -35.1 8.4 Wind Parameters Mean winds (0-6000m): 260.8 at 25.9 knts Storm direction: 290.8 at 19.4 knts Shear (0-3000m) pos: 1.3 neg: 3.8 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 44.4 neg: -2.1 tot: 42.3 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 59.84 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 ------------------------------------------------------------------------------- 500 282 5 114 14| 8.6 0.0 8.6| 10.8 -0.2 10.6 21.2 0.28| 8.9 2.5 1000 283 7 116 12| 4.0 0.0 4.0| 10.8 -1.7 9.0 9.0 0.14| 6.6 0.9 1500 282 8 116 12| 2.7 0.7 3.4| 15.4 -2.1 13.3 8.9 0.19| 6.0 1.1 2000 279 9 122 10| 2.0 2.5 4.5| 27.2 -2.1 25.1 12.5 0.39| 6.4 2.5 2500 274 12 134 9| 1.6 3.6 5.2| 38.9 -2.1 36.8 14.7 0.47| 6.7 3.2 3000 271 15 152 8| 1.3 3.8 5.1| 44.4 -2.1 42.3 14.1 0.45| 6.5 2.9 4000 267 19 186 8| 1.0 3.5 4.5| 46.1 -2.1 44.0 11.0 0.41| 5.5 2.2 5000 263 23 206 11| 0.8 3.3 4.1| 46.1 -4.0 42.1 8.4 0.36| 4.9 1.8 6000 261 26 214 13| 0.7 2.8 3.5| 46.1 -17.1 29.0 4.8 0.30| 4.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251207.00.gif