UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 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 1006 100 -19.5 -25.5 59 6.0 -20.2 250 5 253.2 253.3 252.5 254.5 0.48 1 1000 144 -19.9 -25.9 59 6.0 -20.6 245 7 253.2 253.3 252.5 254.5 0.46 2 925 719 -22.9 -28.9 58 6.0 -23.5 285 23 255.9 256.0 254.6 257.0 0.38 3 882 1067 -24.3 -29.2 64 4.9 -24.8 302 24 257.9 258.0 256.3 259.0 0.39 4 859 1261 -22.3 -27.0 66 4.7 -22.9 311 25 262.0 262.1 259.8 263.4 0.49 5 850 1338 -22.5 -26.9 67 4.4 -23.0 315 25 262.6 262.7 260.2 264.0 0.50 6 800 1782 -23.5 -27.0 73 3.5 -23.9 313 27 266.1 266.2 262.9 267.6 0.52 7 758 2178 -21.7 -24.5 78 2.8 -22.1 312 30 272.2 272.3 267.5 274.2 0.69 8 728 2474 -22.7 -25.5 78 2.8 -23.1 311 31 274.3 274.4 268.8 276.2 0.66 9 700 2761 -24.5 -27.9 73 3.4 -24.9 310 33 275.4 275.4 269.3 277.0 0.55 10 500 5140 -37.9 -46.9 38 9.0 -38.3 310 36 286.8 286.8 275.2 287.2 0.11 11 498 5168 -37.9 -46.9 38 9.0 -38.3 310 36 287.2 287.2 275.4 287.5 0.11 12 425 6239 -46.1 -56.1 31 10.0 -46.3 317 34 290.0 290.0 276.7 290.2 0.05 13 400 6640 -48.5 -58.5 30 10.0 -48.7 320 33 292.0 292.0 277.7 292.1 0.04 14 323 8015 -58.5 -69.5 23 11.0 -58.6 315 31 296.6 296.6 279.8 296.6 0.01 15 310 8273 -58.3 -69.3 23 11.0 -58.4 309 35 300.3 300.3 281.5 300.4 0.01 16 300 8480 -56.3 -67.3 24 11.0 -56.4 305 38 306.0 306.0 283.8 306.0 0.01 17 264 9304 -50.1 -62.1 23 12.0 -50.4 294 41 326.5 326.5 290.7 326.6 0.03 18 250 9660 -50.5 -62.5 23 12.0 -50.8 290 42 331.0 331.0 292.0 331.1 0.03 19 202 11055 -48.1 -63.1 16 15.0 -48.6 285 46 355.6 355.6 297.8 355.8 0.04 20 200 11120 -48.5 -63.5 16 15.0 -49.0 285 46 356.0 356.0 297.9 356.1 0.04 21 168 12260 -51.1 -68.1 11 17.0 -51.5 279 51 369.8 369.8 300.5 369.9 0.02 22 150 13000 -48.7 -66.7 11 18.0 -49.4 275 54 386.2 386.2 303.2 386.3 0.03 23 142 13363 -48.3 -67.3 9 19.0 -49.0 274 53 393.0 393.0 304.2 393.1 0.03 24 108 15158 -52.1 -72.1 7 20.0 -52.8 267 46 417.8 417.8 307.4 417.9 0.02 25 100 15660 -50.3 -71.3 7 21.0 -51.1 265 44 430.5 430.5 308.9 430.7 0.03 26 70 17970 -53.5 -74.5 6 21.0 -54.4 250 42 469.9 469.9 312.7 470.1 0.02 27 50 20120 -56.9 -78.9 5 22.0 -57.7 250 46 509.4 509.4 315.6 509.5 0.02 28 49 20248 -56.9 -78.9 5 22.0 -57.7 249 46 512.3 512.3 315.8 512.4 0.02 29 35 22427 -47.5 -71.5 5 24.0 -50.3 229 46 588.6 588.6 320.1 589.1 0.07 30 30 23440 -50.5 -74.5 4 24.0 -52.9 220 46 607.0 607.0 320.9 607.4 0.05 31 26 24377 -49.5 -73.5 4 24.0 -52.4 218 57 635.2 635.2 322.2 635.7 0.07 32 25 24636 -45.5 -70.5 4 25.0 -49.6 218 60 653.8 653.9 322.9 654.7 0.11 33 22 25483 -49.1 -74.1 4 25.0 -52.5 216 70 667.4 667.5 323.3 668.1 0.08 34 21 25792 -44.3 -70.3 4 26.0 -49.4 216 73 690.9 690.9 324.1 692.1 0.14 35 20 26120 -43.8 -69.8 4 26.0 -49.2 215 77 702.1 702.1 324.6 703.4 0.16 36 19 26465 -43.3 -69.3 4 26.0 -49.0 714.0 714.1 324.9 715.6 0.18 37 17 27220 -39.3 -66.3 4 27.0 -47.1 749.9 750.1 326.0 752.8 0.30 38 15 28071 -42.7 -68.7 4 26.0 -49.6 766.0 766.1 326.4 768.3 0.25 39 13 29039 -42.1 -69.1 4 27.0 -49.8 800.1 800.2 327.3 802.7 0.27 40 12 29588 -35.3 -63.3 4 28.0 -46.6 842.7 843.0 328.4 849.4 0.64 41 10 30844 -40.7 -67.7 4 27.0 -50.1 867.6 867.8 328.8 872.2 0.42 TRP 323 8015 -58.5 -69.5 23 11.0 -58.6 315 31 296.6 296.6 279.8 296.6 0.01 WND 20 26120 -43.8 -69.8 4 26.0 -49.2 215 77 702.1 702.1 324.6 703.4 0.16 Sounding variables and indices 1000-500 mb thick: 4996.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 62.14 % Est. max temperature: -10.51 C = 13.08 F Sfc-Lift cond lev (LCL): 911.17 mb = 829.20 m = 2720.44 ft T: -23.34 C 700-500 lapse rate: 5.63 C/km ThetaE index: 0.00 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 563.67 mb = 4292.51 m = 14082.87 ft Mean mixing ratio: 0.42 g/kg Conv temperature: 10.13 C = 50.23 F Cap Strength: 17.84 C Lifted Index: 25.30 C Risk: None Lifted Index @300 mb: 35.44 C Lifted Index @700 mb: 17.84 C Showalter Index: 18.83 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 11.00 C K Index: -14.90 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 4.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.17 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 76325.95 J/kg Cap Strength: 25.10 C Lift Cond Lev (LCL): 865.56 mb = 1204.93 m = 3953.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 23 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 1006 100 250 5 4.7 1.7 | 171 23 -3.5 22.9 1 1000 144 245 7 6.3 3.0 | 176 24 -1.8 24.1 2 925 719 285 23 22.2 -6.0 | 223 21 14.0 15.2 3 850 1338 315 25 17.7 -17.7 | 250 10 9.5 3.5 4 700 2761 310 33 25.3 -21.2 | 270 17 17.1 -0.1 5 500 5140 310 36 27.6 -23.1 | 276 19 19.4 -2.0 6 400 6640 320 33 21.2 -25.3 | 288 14 13.0 -4.1 7 323 8015 315 31 21.9 -21.9 | 273 14 13.7 -0.8 8 300 8480 305 38 31.1 -21.8 | 272 23 22.9 -0.7 9 250 9660 290 42 39.5 -14.4 | 258 32 31.3 6.8 10 200 11120 285 46 44.4 -11.9 | 256 37 36.2 9.2 11 150 13000 275 54 53.8 -4.7 | 250 48 45.6 16.4 12 100 15660 265 44 43.8 3.8 | 235 44 35.6 25.0 13 70 17970 250 42 39.5 14.4 | 221 47 31.3 35.5 14 50 20120 250 46 43.2 15.7 | 224 51 35.0 36.9 15 30 23440 220 46 29.6 35.2 | 201 60 21.4 56.4 16 20 26120 215 77 44.2 63.1 | 203 92 36.0 84.2 Wind Parameters Mean winds (0-6000m): 308.8 at 30.2 knts Storm direction: 338.8 at 22.7 knts Shear (0-3000m) pos: 4.2 neg: 1.2 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 99.8 deg Storm rel helicity (0-3000m) pos: 170.5 neg: 0.0 tot: 170.5 m^2/s^2 ave: 56.8 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 65.85 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 ------------------------------------------------------------------------------- 500 268 13 192 22| 15.8 0.0 15.8|100.7 0.0 100.7 201.3 0.98| 17.2 16.7 1000 285 18 209 19| 11.1 0.0 11.1|145.1 0.0 145.1 145.1 0.87| 14.8 12.8 1500 296 20 219 16| 8.5 0.0 8.5|157.0 0.0 157.0 104.7 0.82| 12.0 9.9 2000 302 22 228 14| 6.4 0.8 7.1|162.6 0.0 162.6 81.3 0.80| 9.8 7.8 2500 304 24 236 14| 5.1 1.2 6.3|167.7 0.0 167.7 67.1 0.78| 8.4 6.5 3000 306 25 243 14| 4.2 1.2 5.5|170.5 0.0 170.5 56.8 0.77| 7.3 5.6 4000 307 28 252 15| 3.2 1.1 4.3|174.2 0.0 174.2 43.5 0.76| 5.6 4.3 5000 308 29 258 15| 2.5 1.0 3.5|177.8 0.0 177.8 35.6 0.76| 4.6 3.5 6000 309 30 262 16| 2.1 0.8 2.9|188.1 0.0 188.1 31.4 0.73| 4.2 3.1 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251204.00.gif