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 X2477... Searching the city database file for: X2477 ... Date:1200Z 17 OCT 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 1015 28 -1.3 -3.4 86 2.1 -2.1 120 1 270.7 271.2 270.3 278.6 2.92 1 1000 147 0.0 -4.5 72 4.5 -1.6 145 5 273.1 273.6 271.5 280.6 2.73 2 955 514 -2.5 -7.5 68 5.0 -4.1 189 6 274.2 274.6 271.5 280.6 2.27 3 925 766 -3.9 -8.9 68 5.0 -5.5 220 7 275.3 275.7 271.9 281.2 2.10 4 850 1429 -8.1 -13.1 67 5.0 -9.5 275 5 277.7 277.9 272.5 282.3 1.64 5 700 2906 -18.1 -23.1 65 5.0 -19.0 290 9 282.4 282.6 274.0 285.0 0.85 6 519 5086 -31.3 -35.3 68 4.0 -31.7 281 14 291.7 291.8 278.1 292.9 0.36 7 500 5350 -32.9 -37.3 65 4.4 -33.3 280 15 292.9 293.0 278.6 294.0 0.31 8 400 6880 -44.1 -48.4 62 4.3 -44.3 290 15 297.7 297.7 280.5 298.1 0.12 9 300 8760 -54.7 -59.4 56 4.7 -54.8 275 25 308.2 308.3 284.7 308.4 0.04 10 285 9087 -56.1 -60.9 55 4.8 -56.2 270 27 310.8 310.8 285.7 310.9 0.04 11 279 9222 -56.1 -60.9 55 4.8 -56.2 272 27 312.7 312.7 286.4 312.8 0.04 12 250 9920 -55.3 -60.3 54 5.0 -55.4 280 29 323.9 323.9 290.0 324.0 0.05 13 200 11360 -51.7 -57.7 49 6.0 -51.9 285 23 350.9 350.9 296.9 351.2 0.08 14 150 13230 -51.1 -60.1 33 9.0 -51.5 285 29 382.0 382.0 302.6 382.4 0.08 15 100 15860 -50.5 -63.5 20 13.0 -51.2 275 31 430.2 430.2 308.9 430.6 0.07 16 70 18180 -51.5 -68.5 11 17.0 -52.5 275 33 474.2 474.2 313.0 474.5 0.05 17 67 18464 -51.9 -68.9 11 17.0 -52.9 276 32 479.3 479.3 313.4 479.6 0.05 18 65 18661 -52.5 -69.5 11 17.0 -53.4 277 31 482.2 482.2 313.7 482.5 0.05 19 58 19402 -49.7 -67.7 10 18.0 -51.1 281 27 504.5 504.5 315.3 504.9 0.07 20 50 20370 -51.7 -70.7 9 19.0 -53.0 285 23 521.6 521.7 316.4 522.0 0.06 21 35 22678 -52.9 -73.9 6 21.0 -54.5 275 22 574.5 574.5 319.4 574.9 0.05 22 30 23680 -49.5 -72.5 5 23.0 -52.1 270 21 609.7 609.7 321.0 610.2 0.07 23 28 24132 -48.9 -71.9 5 23.0 -51.8 273 21 623.5 623.5 321.7 624.2 0.08 24 23 25410 -53.5 -77.5 4 24.0 -55.7 280 21 646.1 646.1 322.6 646.4 0.04 25 21 26001 -49.5 -74.5 4 25.0 -52.9 283 21 675.2 675.2 323.6 675.8 0.08 26 20 26320 -49.9 -74.9 4 25.0 -53.3 285 21 683.4 683.5 323.9 684.1 0.07 27 15 28187 -53.3 -77.3 4 24.0 -56.4 730.7 730.8 325.4 731.3 0.07 28 11 30195 -50.9 -75.9 4 25.0 -55.6 807.2 807.3 327.4 808.4 0.12 TRP 285 9087 -56.1 -60.9 55 4.8 -56.2 270 27 310.8 310.8 285.7 310.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5203.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 147.00 m = 482.28 ft Freezing level: 1000.00 mb = 147.00 m = 482.28 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 66.97 % Est. max temperature: 5.21 C = 41.38 F Sfc-Lift cond lev (LCL): 982.05 mb = 291.23 m = 955.48 ft T: -0.98 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.09 C Layer 955.0- 925.0 mb Conv cond level (CCL): 846.04 mb = 1464.48 m = 4804.67 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 5.81 C = 42.47 F Cap Strength: 9.75 C Lifted Index: 10.56 C Risk: None Lifted Index @300 mb: 19.58 C Lifted Index @700 mb: 4.09 C Showalter Index: 9.18 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 19.80 C K Index: 6.70 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.28 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 64003.56 J/kg Cap Strength: 10.24 C Lift Cond Lev (LCL): 896.62 mb = 1010.36 m = 3314.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 7 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 1015 28 120 1 -0.9 0.5 | 127 8 -6.6 5.0 1 1000 147 145 5 -2.9 4.1 | 135 12 -8.6 8.6 2 925 766 220 7 4.5 5.4 | 173 10 -1.3 9.9 3 850 1429 275 5 5.0 -0.4 | 169 4 -0.8 4.1 4 700 2906 290 9 8.5 -3.1 | 242 3 2.7 1.4 5 500 5350 280 15 14.8 -2.6 | 258 9 9.0 1.9 6 400 6880 290 15 14.1 -5.1 | 274 8 8.3 -0.6 7 300 8760 275 25 24.9 -2.2 | 263 19 19.1 2.3 8 285 9087 270 27 27.0 -0.0 | 258 22 21.2 4.5 9 250 9920 280 29 28.6 -5.0 | 271 23 22.8 -0.5 10 200 11360 285 23 22.2 -6.0 | 275 17 16.5 -1.5 11 150 13230 285 29 28.0 -7.5 | 278 22 22.2 -3.0 12 100 15860 275 31 30.9 -2.7 | 266 25 25.1 1.8 13 70 18180 275 33 32.9 -2.9 | 267 27 27.1 1.6 14 50 20370 285 23 22.2 -6.0 | 275 17 16.5 -1.5 15 30 23680 270 21 21.0 -0.0 | 254 16 15.2 4.5 16 20 26320 285 21 20.3 -5.4 | 274 15 14.5 -0.9 Wind Parameters Mean winds (0-6000m): 278.0 at 9.8 knts Storm direction: 308.0 at 7.3 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 118.1 deg Storm rel helicity (0-3000m) pos: 32.6 neg: -1.0 tot: 31.6 m^2/s^2 ave: 10.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 20.62 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 ------------------------------------------------------------------------------- 500 166 5 143 12| 6.2 0.0 6.2| 18.4 0.0 18.4 36.8 0.69| 8.9 6.2 1000 200 6 159 11| 3.5 0.0 3.5| 28.7 0.0 28.7 28.7 0.67| 7.5 5.0 1500 219 6 166 9| 2.1 0.0 2.1| 29.1 -1.0 28.1 18.7 0.51| 6.3 3.2 2000 238 6 173 8| 1.9 0.0 1.9| 30.3 -1.0 29.3 14.7 0.53| 5.1 2.7 2500 252 6 180 6| 1.8 0.0 1.8| 31.5 -1.0 30.5 12.2 0.56| 4.4 2.5 3000 263 7 187 5| 1.8 0.0 1.8| 32.6 -1.0 31.6 10.5 0.59| 3.9 2.3 4000 273 7 203 4| 1.3 0.3 1.7| 33.5 -1.0 32.5 8.1 0.56| 3.3 1.8 5000 277 9 219 5| 1.1 0.5 1.6| 33.9 -1.0 32.9 6.6 0.51| 2.9 1.5 6000 278 10 231 5| 0.9 0.5 1.4| 36.5 -1.0 35.5 5.9 0.52| 2.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251017.12.gif