UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 19 OCT 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 185 SFC 980 345 -2.9 -10.9 54 8.0 -5.3 290 3 271.8 272.1 269.0 276.5 1.69 2 925 799 -7.7 -14.7 57 7.0 -9.5 300 19 271.4 271.7 268.1 275.2 1.32 3 850 1450 -13.9 -18.5 68 4.6 -14.9 305 17 271.6 271.8 267.7 274.6 1.04 4 834 1594 -15.3 -19.8 68 4.5 -16.2 307 17 271.6 271.7 267.5 274.3 0.95 5 724 2650 -21.7 -24.2 80 2.5 -22.1 322 14 275.8 275.9 269.9 278.0 0.75 6 716 2733 -18.9 -21.5 80 2.6 -19.4 323 13 279.7 279.9 272.6 282.6 0.96 7 700 2901 -19.1 -22.7 73 3.6 -19.8 325 13 281.3 281.5 273.4 284.0 0.88 8 662 3315 -19.7 -27.7 49 8.0 -21.0 335 14 285.2 285.3 275.1 287.0 0.59 9 646 3497 -20.3 -28.3 49 8.0 -21.5 339 14 286.5 286.6 275.8 288.3 0.57 10 531 4922 -29.1 -42.1 27 13.0 -30.2 14 18 292.5 292.5 278.2 293.1 0.18 11 500 5350 -30.9 -42.9 30 12.0 -31.8 25 19 295.4 295.4 279.5 296.0 0.17 12 400 6900 -40.9 -48.9 42 8.0 -41.3 30 27 301.8 301.9 282.3 302.2 0.11 13 384 7177 -42.3 -49.3 46 7.0 -42.6 303.5 303.6 283.0 303.9 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5165.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 54.58 % Est. max temperature: -2.98 C = 26.63 F Sfc-Lift cond lev (LCL): 863.71 mb = 1326.80 m = 4352.98 ft T: -12.73 C 700-500 lapse rate: 4.82 C/km ThetaE index: 2.22 C Layer 925.0- 724.0 mb Conv cond level (CCL): 830.99 mb = 1621.06 m = 5318.36 ft Mean mixing ratio: 1.38 g/kg Conv temperature: -3.01 C = 26.58 F Cap Strength: 14.62 C Lifted Index: 16.60 C Risk: None Lifted Index @700 mb: 7.04 C Showalter Index: 17.30 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 12.40 C K Index: -5.10 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.25 J/kg Max Up Vert Vel: 1.58 m/s Conv Inhibition (B-): 2598.40 J/kg Cap Strength: 16.46 C Lift Cond Lev (LCL): 832.64 mb = 1606.24 m = 5269.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 at 12 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 ---------------------------------------------------------- 0 980 345 290 3 2.8 -1.0 | 210 13 6.4 10.9 1 925 799 300 19 16.5 -9.5 | 263 20 20.0 2.4 2 850 1450 305 17 13.9 -9.8 | 263 18 17.5 2.1 3 700 2901 325 13 7.5 -10.6 | 264 11 11.0 1.3 4 500 5350 25 19 -8.0 -17.2 | 40 7 -4.5 -5.3 5 400 6900 30 27 -13.5 -23.4 | 41 15 -10.0 -11.5 Wind Parameters Mean winds (0-6000m): 346.6 at 16.6 knts Storm direction: 16.6 at 12.4 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 65.5 deg Storm rel helicity (0-3000m) pos: 65.4 neg: -1.1 tot: 64.3 m^2/s^2 ave: 21.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 19.91 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 ------------------------------------------------------------------------------- 500 299 12 246 15| 16.4 0.0 16.4| 57.3 0.0 57.3 114.5 0.88| 16.5 14.5 1000 301 15 255 17| 7.4 0.0 7.4| 57.3 -0.2 57.1 57.1 0.78| 9.3 7.2 1500 303 15 258 17| 4.5 0.0 4.5| 59.0 -0.4 58.6 39.1 0.71| 7.0 4.9 2000 306 15 260 16| 3.1 0.0 3.1| 59.6 -0.4 59.2 29.6 0.64| 5.8 3.7 2500 308 15 261 16| 2.2 0.0 2.2| 59.6 -1.1 58.5 23.4 0.58| 5.1 2.9 3000 311 15 262 15| 2.1 0.0 2.1| 65.4 -1.1 64.3 21.4 0.59| 4.8 2.8 4000 321 15 269 13| 2.0 0.0 2.0| 76.9 -1.1 75.9 19.0 0.65| 4.5 2.9 5000 334 16 281 11| 2.0 0.0 2.0| 88.5 -1.1 87.5 17.5 0.70| 4.4 3.1 6000 347 17 300 8| 2.1 0.0 2.1| 88.8 -1.1 87.6 14.6 0.63| 4.1 2.6 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251019.12.gif