UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 15 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 183 SFC 931 734 -11.1 -14.7 75 3.6 -11.9 250 1 267.5 267.7 265.4 271.1 1.31 2 925 784 -11.5 -15.4 73 3.9 -12.4 260 3 267.5 267.8 265.3 271.0 1.25 3 850 1428 -16.7 -20.1 75 3.4 -17.3 320 5 268.7 268.8 265.5 271.2 0.91 4 842 1499 -16.9 -20.2 76 3.3 -17.5 320 5 269.2 269.3 265.8 271.8 0.91 5 794 1946 -9.7 -11.3 88 1.6 -10.2 320 8 281.4 281.8 275.2 287.3 2.03 6 782 2064 -10.3 -11.8 89 1.5 -10.8 320 8 282.0 282.3 275.5 287.7 1.98 7 700 2911 -13.9 -16.6 80 2.7 -14.6 320 13 287.1 287.4 277.4 291.6 1.49 8 676 3175 -15.3 -18.4 77 3.1 -16.0 322 14 288.4 288.6 277.9 292.4 1.32 9 573 4397 -25.1 -29.3 68 4.2 -25.7 329 17 290.9 291.0 278.0 292.8 0.59 10 527 5003 -26.5 -29.9 73 3.4 -27.0 333 18 296.2 296.3 280.6 298.2 0.61 11 500 5380 -29.1 -33.0 69 3.9 -29.6 335 19 297.6 297.6 281.0 299.1 0.47 12 400 6940 -39.1 -43.4 64 4.3 -39.4 310 25 304.2 304.2 283.4 304.9 0.21 13 325 8330 -48.5 -53.5 56 5.0 -48.7 303 28 309.8 309.8 285.4 310.1 0.08 14 300 8850 -52.9 -58.9 48 6.0 -53.0 300 29 310.8 310.8 285.7 311.0 0.05 15 264 9675 -59.7 -65.7 45 6.0 -59.7 293 23 312.4 312.4 286.2 312.5 0.02 16 250 10020 -60.9 -66.9 45 6.0 -61.0 290 21 315.5 315.5 287.3 315.6 0.02 17 236 10374 -62.3 -68.3 44 6.0 -62.4 290 21 318.7 318.7 288.3 318.7 0.02 18 214 10973 -62.9 -68.9 44 6.0 -63.0 296 16 326.8 326.8 290.8 326.8 0.02 19 200 11390 -58.9 -64.9 46 6.0 -59.0 300 13 339.5 339.5 294.2 339.6 0.03 20 167 12533 -54.5 -61.5 42 7.0 -54.7 316 10 364.8 364.8 299.7 365.1 0.06 21 150 13220 -54.9 -62.9 36 8.0 -55.1 325 9 375.5 375.5 301.5 375.7 0.05 22 100 15820 -52.3 -64.3 22 12.0 -52.9 320 3 426.7 426.7 308.5 427.0 0.07 23 70 18140 -51.9 -67.9 13 16.0 -52.8 255 5 473.4 473.4 313.0 473.7 0.06 24 50 20320 -52.3 -71.3 8 19.0 -53.5 265 3 520.2 520.2 316.4 520.6 0.05 25 41 21605 -51.9 -72.9 6 21.0 -53.5 236 4 551.6 551.6 318.2 551.9 0.05 26 30 23650 -47.3 -72.3 4 25.0 -50.4 190 5 615.7 615.7 321.3 616.2 0.07 27 27 24346 -45.7 -71.7 4 26.0 -49.6 204 6 639.0 639.1 322.3 639.7 0.09 28 20 26330 -47.5 -73.5 3 26.0 -51.7 245 7 690.8 690.8 324.1 691.6 0.09 29 18 27025 -50.1 -75.1 4 25.0 -53.7 241 8 703.7 703.7 324.6 704.4 0.08 30 13 29158 -49.9 -74.9 4 25.0 -54.4 229 12 773.0 773.1 326.6 774.1 0.11 31 12 29687 -46.1 -72.1 4 26.0 -52.4 227 13 804.4 804.5 327.4 806.3 0.19 32 10 30900 -46.7 -72.7 4 26.0 -53.4 220 15 845.2 845.3 328.3 847.4 0.21 33 8.4 32062 -44.7 -70.7 4 26.0 -52.9 896.3 896.5 329.4 900.0 0.33 34 7.7 32640 -47.5 -73.5 3 26.0 -54.8 907.6 907.7 329.6 910.3 0.24 TRP 236 10374 -62.3 -68.3 44 6.0 -62.4 290 21 318.7 318.7 288.3 318.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5197.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 76.06 % Est. max temperature: 3.20 C = 37.76 F Sfc-Lift cond lev (LCL): 878.48 mb = 1176.97 m = 3861.39 ft T: -14.67 C 700-500 lapse rate: 6.16 C/km ThetaE index: 0.09 C Layer 925.0- 850.0 mb Conv cond level (CCL): 601.06 mb = 4043.66 m = 13266.43 ft Mean mixing ratio: 1.07 g/kg Conv temperature: 11.18 C = 52.12 F Cap Strength: 20.94 C Lifted Index: 21.62 C Risk: None Lifted Index @300 mb: 27.91 C Lifted Index @700 mb: 15.44 C Showalter Index: 21.80 C Risk: None Total Totals Index: 21.40 C Risk: None Vertical Totals Index: 12.40 C Cross Totals Index: 9.00 C K Index: -10.40 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 5.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.22 J/kg Max Up Vert Vel: 4.29 m/s Conv Inhibition (B-): 78072.34 J/kg Cap Strength: 21.60 C Lift Cond Lev (LCL): 831.55 mb = 1594.19 m = 5230.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 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 ---------------------------------------------------------- 0 931 734 250 1 0.9 0.3 | 180 11 -0.1 11.0 1 925 784 260 3 3.0 0.5 | 190 11 1.9 11.2 2 850 1428 320 5 3.2 -3.8 | 198 7 2.2 6.8 3 700 2911 320 13 8.4 -10.0 | 265 7 7.3 0.7 4 500 5380 335 19 8.0 -17.2 | 313 10 7.0 -6.6 5 400 6940 310 25 19.2 -16.1 | 287 19 18.1 -5.4 6 300 8850 300 29 25.1 -14.5 | 279 24 24.1 -3.8 7 250 10020 290 21 19.7 -7.2 | 259 19 18.7 3.5 8 236 10374 290 21 19.7 -7.2 | 259 19 18.7 3.5 9 200 11390 300 13 11.3 -6.5 | 248 11 10.2 4.2 10 150 13220 325 9 5.2 -7.4 | 232 5 4.1 3.3 11 100 15820 320 3 1.9 -2.3 | 186 8 0.9 8.4 12 70 18140 255 5 4.8 1.3 | 198 13 3.8 12.0 13 50 20320 265 3 3.0 0.3 | 190 11 2.0 10.9 14 30 23650 190 5 0.9 4.9 | 179 16 -0.1 15.6 15 20 26330 245 7 6.3 3.0 | 201 15 5.3 13.6 16 10 30900 220 15 9.6 11.5 | 201 24 8.6 22.2 Wind Parameters Mean winds (0-6000m): 324.6 at 14.3 knts Storm direction: 354.6 at 10.7 knts Shear (0-3000m) pos: 1.6 neg: 0.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 102.5 deg Storm rel helicity (0-3000m) pos: 27.4 neg: -0.1 tot: 27.3 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 18.58 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 ------------------------------------------------------------------------------- 500 284 4 194 10| 4.0 0.0 4.0| 9.8 0.0 9.8 19.7 0.70| 5.1 3.6 1000 306 4 198 8| 3.3 0.0 3.3| 12.6 -0.1 12.5 12.5 0.60| 4.2 2.5 1500 313 6 204 7| 2.2 0.9 3.1| 16.9 -0.1 16.8 11.2 0.70| 3.7 2.6 2000 316 7 213 7| 1.6 1.4 3.0| 21.2 -0.1 21.1 10.6 0.75| 3.5 2.6 2500 317 8 223 6| 1.7 1.1 2.8| 24.6 -0.1 24.4 9.8 0.77| 3.2 2.4 3000 319 9 232 6| 1.6 0.9 2.5| 27.4 -0.1 27.3 9.1 0.79| 2.9 2.3 4000 323 11 251 6| 1.6 0.7 2.3| 33.5 -0.1 33.4 8.3 0.81| 2.6 2.1 5000 326 13 268 6| 1.4 0.8 2.2| 37.5 -3.4 34.2 6.8 0.69| 2.5 1.7 6000 325 14 278 7| 1.2 1.2 2.3| 37.5 -19.5 18.0 3.0 0.40| 2.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251015.00.gif