UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 17 OCT 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 1017 14 -0.3 -0.7 97 0.4 -0.4 65 9 271.5 272.1 271.8 281.1 3.57 1 1000 149 -0.3 -2.5 85 2.2 -1.2 45 9 272.9 273.4 272.0 281.5 3.18 2 952 541 -2.1 -6.4 72 4.3 -3.6 310 8 274.9 275.3 272.2 281.8 2.48 3 928 743 -4.3 -10.3 63 6.0 -6.1 261 7 274.7 275.0 271.1 279.9 1.88 4 925 768 -4.5 -9.5 68 5.0 -6.1 255 7 274.7 275.0 271.3 280.3 2.01 5 850 1428 -10.3 -14.0 74 3.7 -11.2 275 7 275.4 275.6 270.9 279.7 1.52 6 809 1806 -13.7 -16.3 81 2.6 -14.3 279 7 275.7 275.9 270.8 279.5 1.32 7 721 2673 -18.7 -21.3 80 2.6 -19.2 288 7 279.4 279.6 272.5 282.3 0.97 8 700 2893 -20.5 -23.9 74 3.4 -21.1 290 7 279.8 279.9 272.4 282.2 0.79 9 585 4203 -27.5 -35.5 46 8.0 -28.3 285 18 286.4 286.4 275.3 287.4 0.32 10 500 5320 -33.3 -45.3 29 12.0 -34.1 280 27 292.4 292.5 278.1 292.9 0.13 11 499 5334 -33.5 -45.5 29 12.0 -34.3 280 27 292.4 292.4 278.0 292.8 0.13 12 400 6860 -44.1 -55.1 28 11.0 -44.5 270 42 297.7 297.7 280.4 297.9 0.05 13 326 8192 -54.7 -60.7 47 6.0 -54.8 266 46 301.0 301.0 281.8 301.1 0.03 14 300 8720 -55.7 -61.7 47 6.0 -55.8 265 48 306.8 306.8 284.2 307.0 0.03 15 285 9050 -56.7 -62.7 47 6.0 -56.8 265 48 309.9 309.9 285.3 310.0 0.03 16 262 9588 -57.3 -63.3 46 6.0 -57.4 265 45 316.6 316.6 287.6 316.7 0.03 17 250 9890 -53.9 -59.9 48 6.0 -54.0 265 44 325.9 325.9 290.6 326.1 0.05 18 243 10072 -52.3 -58.3 48 6.0 -52.5 266 43 331.0 331.0 292.0 331.2 0.06 19 200 11330 -51.3 -59.3 38 8.0 -51.5 270 35 351.5 351.5 297.0 351.8 0.06 20 150 13200 -50.3 -62.3 23 12.0 -50.8 280 27 383.4 383.4 302.8 383.7 0.06 21 100 15850 -50.3 -66.3 13 16.0 -51.1 275 25 430.5 430.6 308.9 430.8 0.05 22 87 16752 -53.1 -70.1 11 17.0 -53.8 279 26 442.4 442.4 310.1 442.6 0.03 23 70 18160 -50.7 -68.7 10 18.0 -51.8 285 27 475.9 475.9 313.1 476.2 0.05 24 67 18445 -51.5 -69.5 10 18.0 -52.5 480.2 480.2 313.5 480.5 0.05 TRP 285 9050 -56.7 -62.7 47 6.0 -56.8 265 48 309.9 309.9 285.3 310.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5171.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 64.04 % Est. max temperature: 3.40 C = 38.11 F Sfc-Lift cond lev (LCL): 1010.55 mb = 65.15 m = 213.74 ft T: -0.30 C 700-500 lapse rate: 5.27 C/km ThetaE index: 1.85 C Layer 928.0- 925.0 mb Conv cond level (CCL): 901.86 mb = 965.78 m = 3168.54 ft Mean mixing ratio: 2.66 g/kg Conv temperature: 3.10 C = 37.57 F Cap Strength: 5.47 C Lifted Index: 9.63 C Risk: None Lifted Index @300 mb: 18.17 C Lifted Index @700 mb: 1.25 C Showalter Index: 10.86 C Risk: None Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 19.30 C K Index: 5.60 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.87 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 17.21 J/kg Cap Strength: 9.34 C Lift Cond Lev (LCL): 915.59 mb = 847.77 m = 2781.38 ft Lev Free Conv (LFC): 850.59 mb = 1422.54 m = 4667.08 ft Equ Level (EL): 770.59 mb = 2172.52 m = 7127.62 ft B at Equ Level: 17.37 J/kg Max Parcel Lev (MPL): 710.59 mb = 2781.40 m = 9125.22 ft Wind level data Storm motion: 311 at 11 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 1017 14 65 9 -8.2 -3.8 | 101 16 -16.1 3.2 1 1000 149 45 9 -6.4 -6.4 | 92 14 -14.3 0.6 2 925 768 255 7 6.8 1.8 | 173 9 -1.1 8.8 3 850 1428 275 7 7.0 -0.6 | 172 6 -0.9 6.4 4 700 2893 290 7 6.6 -2.4 | 164 5 -1.3 4.6 5 500 5320 280 27 26.6 -4.7 | 263 19 18.7 2.3 6 400 6860 270 42 42.0 -0.0 | 258 35 34.1 7.0 7 300 8720 265 48 47.8 4.2 | 254 41 39.9 11.2 8 285 9050 265 48 47.8 4.2 | 254 41 39.9 11.2 9 250 9890 265 44 43.8 3.8 | 253 38 35.9 10.8 10 200 11330 270 35 35.0 -0.0 | 256 28 27.1 7.0 11 150 13200 280 27 26.6 -4.7 | 263 19 18.7 2.3 12 100 15850 275 25 24.9 -2.2 | 254 18 17.0 4.8 13 70 18160 285 27 26.1 -7.0 | 270 18 18.2 -0.0 Wind Parameters Mean winds (0-6000m): 281.5 at 14.1 knts Storm direction: 311.5 at 10.6 knts Shear (0-3000m) pos: 0.6 neg: 2.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 73.9 deg Storm rel helicity (0-3000m) pos: 7.3 neg: -18.8 tot: -11.5 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 41.73 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 22 9 85 11| 0.0 14.1 14.1| 2.7 -17.0 -14.3 -28.7 -0.13| 16.7 -2.1 1000 335 8 88 5| 0.0 8.1 8.1| 6.3 -17.5 -11.2 -11.2 0.06| 12.8 0.8 1500 292 8 168 4| 0.6 5.4 6.0| 6.3 -17.8 -11.5 -7.7 0.05| 9.1 0.5 2000 286 7 171 5| 0.6 4.1 4.6| 6.3 -18.1 -11.8 -5.9 0.04| 7.0 0.3 2500 285 7 171 5| 0.6 3.3 3.8| 6.3 -18.5 -12.2 -4.9 0.03| 5.7 0.2 3000 286 7 170 5| 0.6 2.7 3.3| 7.3 -18.8 -11.5 -3.8 0.05| 5.0 0.3 4000 286 8 183 5| 0.5 3.0 3.5| 15.9 -18.8 -2.8 -0.7 0.21| 4.8 1.0 5000 284 11 212 5| 0.4 3.3 3.6| 22.4 -18.8 3.6 0.7 0.22| 4.7 1.0 6000 281 14 235 7| 0.3 3.5 3.9| 23.5 -22.0 1.5 0.2 0.18| 4.8 0.8 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251017.12.gif