UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 8 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 1005 104 -12.5 -16.5 72 4.0 -13.3 270 3 260.3 260.4 259.5 263.1 1.05 1 1000 142 -10.5 -14.8 71 4.3 -11.5 270 3 262.6 262.8 261.7 265.9 1.21 2 993 196 -9.7 -14.2 70 4.5 -10.8 273 4 264.0 264.2 262.8 267.5 1.28 3 925 740 -12.3 -18.3 61 6.0 -13.5 305 13 266.7 266.9 264.3 269.5 0.98 4 850 1382 -15.1 -20.1 66 5.0 -16.0 315 13 270.3 270.5 266.7 272.9 0.91 5 822 1635 -15.9 -20.5 68 4.6 -16.7 312 15 272.1 272.2 267.8 274.7 0.91 6 700 2828 -23.1 -27.3 68 4.2 -23.7 295 25 276.9 277.0 270.3 278.7 0.58 7 582 4152 -32.5 -37.5 61 5.0 -32.9 290 22 280.9 281.0 272.2 281.8 0.26 8 500 5200 -41.5 -47.5 52 6.0 -41.8 285 19 282.4 282.5 272.8 282.8 0.10 9 462 5730 -45.7 -50.7 57 5.0 -45.9 280 21 283.7 283.7 273.4 283.9 0.08 10 400 6680 -49.3 -55.3 49 6.0 -49.4 270 25 290.9 290.9 277.2 291.1 0.05 11 379 7034 -51.1 -58.1 43 7.0 -51.2 260 27 293.1 293.1 278.2 293.2 0.04 12 321 8117 -51.5 -59.5 38 8.0 -51.7 256 38 306.8 306.8 284.1 306.9 0.04 13 300 8560 -48.9 -57.9 34 9.0 -49.1 255 42 316.4 316.4 287.6 316.6 0.05 14 276 9112 -45.9 -56.9 28 11.0 -46.3 255 48 328.4 328.4 291.3 328.7 0.06 15 250 9770 -46.1 -59.1 22 13.0 -46.6 255 56 337.5 337.5 293.7 337.7 0.05 16 212 10864 -47.9 -62.9 16 15.0 -48.4 255 62 351.0 351.0 296.9 351.2 0.04 17 200 11250 -46.5 -62.5 15 16.0 -47.1 255 64 359.1 359.1 298.5 359.3 0.04 18 179 11985 -45.3 -63.3 11 18.0 -46.1 265 73 372.7 372.7 301.1 372.9 0.04 19 170 12329 -44.7 -63.7 10 19.0 -45.6 264 70 379.2 379.2 302.2 379.4 0.04 20 150 13160 -46.3 -65.3 10 19.0 -47.1 260 64 390.3 390.3 303.9 390.5 0.04 21 139 13662 -49.1 -68.1 9 19.0 -49.8 258 62 394.0 394.0 304.4 394.1 0.03 22 124 14413 -47.5 -67.5 8 20.0 -48.4 255 58 409.9 409.9 306.5 410.1 0.04 23 100 15820 -51.7 -71.7 7 20.0 -52.4 250 52 427.8 427.8 308.6 428.0 0.02 24 97 16018 -52.3 -72.3 7 20.0 -53.0 250 53 430.4 430.4 308.9 430.5 0.02 25 70 18140 -51.3 -71.3 7 20.0 -52.4 245 66 474.6 474.6 313.0 474.9 0.04 26 65 18623 -49.9 -70.9 7 21.0 -51.2 243 62 487.9 487.9 314.1 488.1 0.04 27 52 20068 -54.7 -74.7 7 20.0 -55.6 236 48 508.8 508.8 315.6 509.0 0.03 28 50 20320 -52.7 -73.7 6 21.0 -53.9 235 46 519.3 519.3 316.2 519.5 0.04 29 48 20583 -52.9 -73.9 6 21.0 -54.2 524.9 524.9 316.6 525.1 0.04 30 46 20860 -49.5 -70.5 7 21.0 -51.3 539.5 539.6 317.5 540.0 0.06 31 40 21763 -55.5 -75.5 7 20.0 -56.6 546.5 546.5 317.9 546.7 0.03 32 36 22438 -53.9 -74.9 6 21.0 -55.4 567.3 567.3 319.0 567.6 0.04 TRP 379 7034 -51.1 -58.1 43 7.0 -51.2 260 27 293.1 293.1 278.2 293.2 0.04 WND 179 11985 -45.3 -63.3 11 18.0 -46.1 265 73 372.7 372.7 301.1 372.9 0.04 Sounding variables and indices 1000-500 mb thick: 5058.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 63.78 % Est. max temperature: -2.69 C = 27.16 F Sfc-Lift cond lev (LCL): 941.99 mb = 600.39 m = 1969.77 ft T: -11.63 C 700-500 lapse rate: 7.76 C/km ThetaE index: 0.00 C Layer 1005.0- -0.0 mb Conv cond level (CCL): 765.29 mb = 2165.67 m = 7105.13 ft Mean mixing ratio: 1.10 g/kg Conv temperature: 1.48 C = 34.67 F Cap Strength: 11.07 C Lifted Index: 11.62 C Risk: None Lifted Index @300 mb: 33.99 C Lifted Index @700 mb: 8.64 C Showalter Index: 8.02 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 21.40 C K Index: 2.10 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.42 J/kg Max Up Vert Vel: 4.78 m/s Conv Inhibition (B-): 49056.47 J/kg Cap Strength: 11.57 C Lift Cond Lev (LCL): 876.98 mb = 1144.78 m = 3755.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 14 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 1005 104 270 3 3.0 -0.0 | 154 13 -5.4 11.3 1 1000 142 270 3 3.0 -0.0 | 154 13 -5.4 11.3 2 925 740 305 13 10.6 -7.5 | 210 4 2.2 3.8 3 850 1382 315 13 9.2 -9.2 | 200 2 0.7 2.1 4 700 2828 295 25 22.7 -10.6 | 267 14 14.2 0.7 5 500 5200 285 19 18.4 -4.9 | 237 12 9.9 6.3 6 400 6680 270 25 25.0 -0.0 | 236 20 16.6 11.3 7 379 7034 260 27 26.6 4.7 | 229 24 18.1 15.9 8 300 8560 255 42 40.6 10.9 | 235 39 32.1 22.1 9 250 9770 255 56 54.1 14.5 | 241 52 45.6 25.7 10 200 11250 255 64 61.8 16.6 | 242 60 53.4 27.8 11 179 11985 265 73 72.7 6.4 | 255 67 64.3 17.6 12 150 13160 260 64 63.0 11.1 | 248 59 54.6 22.4 13 100 15820 250 52 48.9 17.8 | 234 50 40.4 29.0 14 70 18140 245 66 59.8 27.9 | 233 65 51.4 39.1 15 50 20320 235 46 37.7 26.4 | 218 48 29.2 37.6 Wind Parameters Mean winds (0-6000m): 293.1 at 18.8 knts Storm direction: 323.1 at 14.1 knts Shear (0-3000m) pos: 2.2 neg: 1.9 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 21.2 neg: -4.3 tot: 16.9 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 19.72 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 ------------------------------------------------------------------------------- 500 290 7 166 9| 8.4 0.0 8.4| 15.0 0.0 15.0 30.0 0.70| 8.7 6.0 1000 303 10 176 6| 5.6 0.0 5.6| 17.6 -0.2 17.4 17.4 0.60| 6.4 3.9 1500 307 11 183 5| 4.4 0.0 4.4| 18.7 -0.3 18.3 12.2 0.59| 5.2 3.1 2000 307 12 200 4| 3.3 1.2 4.5| 20.7 -0.3 20.4 10.2 0.54| 5.1 2.8 2500 305 14 225 5| 2.6 1.9 4.6| 21.2 -0.5 20.7 8.3 0.44| 5.1 2.3 3000 302 16 240 6| 2.2 1.9 4.1| 21.2 -4.3 16.9 5.6 0.36| 4.7 1.7 4000 299 18 248 8| 1.6 1.3 2.9| 21.2 -14.1 7.1 1.8 0.23| 4.0 0.9 5000 296 18 248 9| 1.3 0.9 2.2| 21.2 -23.2 -2.0 -0.4 0.13| 3.5 0.4 6000 293 19 246 10| 1.1 1.2 2.3| 21.7 -24.7 -2.9 -0.5 0.10| 3.3 0.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251208.00.gif