UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for U6708... Searching the city database file for: U6708 ... Date:1200Z 30 DEC 25 Station: U6708 WMO ident: 26708 ------------------------------------------------------------------------------- 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 1001 16 0.4 -2.7 80 3.1 -0.8 340 19 273.5 274.0 272.3 282.0 3.13 1 1000 24 0.2 -2.8 80 3.0 -0.9 340 19 273.4 273.9 272.2 281.8 3.11 2 995 64 -1.7 -3.8 86 2.1 -2.4 340 20 271.8 272.3 270.9 279.7 2.90 3 951 423 -3.1 -7.1 74 4.0 -4.4 340 34 274.0 274.4 271.4 280.5 2.35 4 925 642 -5.1 -9.4 72 4.3 -6.4 340 42 274.1 274.4 271.0 279.7 2.02 5 850 1300 -10.5 -15.5 67 5.0 -11.7 350 44 275.1 275.4 270.5 279.0 1.34 6 700 2760 -22.3 -25.7 74 3.4 -22.8 340 46 277.8 277.9 271.0 279.8 0.67 7 622 3614 -29.3 -32.9 71 3.6 -29.6 338 47 279.3 279.4 271.4 280.5 0.39 8 500 5120 -44.9 -48.4 68 3.5 -45.0 335 48 278.3 278.3 270.3 278.6 0.09 9 437 6009 -53.1 -56.9 63 3.8 -53.2 347 48 278.8 278.8 270.5 279.0 0.04 10 429 6128 -54.1 -58.0 62 3.9 -54.2 349 48 279.0 279.0 270.6 279.2 0.04 11 423 6219 -52.9 -56.8 62 3.9 -52.9 350 48 281.7 281.7 272.2 281.8 0.04 12 400 6580 -54.5 -58.5 61 4.0 -54.6 355 48 284.2 284.2 273.6 284.3 0.04 13 382 6873 -55.9 -59.7 62 3.8 -55.9 360 48 286.1 286.1 274.6 286.2 0.03 14 378 6939 -55.9 -59.7 62 3.8 -55.9 360 48 286.9 286.9 275.1 287.1 0.03 15 338 7651 -54.3 -58.5 60 4.2 -54.4 355 49 298.5 298.5 280.7 298.6 0.04 16 324 7923 -51.3 -55.5 61 4.2 -51.4 353 49 306.2 306.2 284.0 306.5 0.06 17 311 8187 -52.5 -57.0 58 4.5 -52.6 351 50 308.2 308.2 284.7 308.4 0.06 18 300 8420 -51.1 -55.6 59 4.5 -51.2 350 50 313.3 313.3 286.6 313.6 0.07 19 292 8597 -50.5 -55.1 58 4.6 -50.6 350 49 316.6 316.6 287.7 316.9 0.07 20 277 8941 -51.9 -56.9 55 5.0 -52.0 350 47 319.4 319.4 288.6 319.6 0.06 21 268 9156 -50.5 -55.5 55 5.0 -50.7 350 46 324.5 324.5 290.2 324.8 0.08 22 250 9610 -51.9 -57.9 48 6.0 -52.1 350 44 328.9 328.9 291.5 329.2 0.06 23 237 9954 -53.1 -59.1 48 6.0 -53.2 349 45 332.2 332.2 292.4 332.4 0.06 24 226 10261 -51.5 -58.5 43 7.0 -51.7 348 46 339.2 339.2 294.1 339.4 0.06 25 200 11050 -52.7 -60.7 37 8.0 -52.9 345 48 349.3 349.3 296.5 349.5 0.05 26 190 11381 -53.3 -61.3 37 8.0 -53.5 341 48 353.5 353.5 297.4 353.7 0.05 27 170 12093 -55.7 -64.7 32 9.0 -55.9 334 48 361.0 361.0 298.9 361.1 0.04 28 150 12890 -55.5 -64.5 32 9.0 -55.8 325 48 374.5 374.5 301.4 374.7 0.04 29 138 13420 -55.4 -64.8 30 9.5 -55.6 320 60 383.7 383.7 302.9 384.0 0.05 30 105 15160 -54.9 -65.9 24 11.0 -55.3 312 50 415.8 415.8 307.3 416.1 0.05 31 100 15470 -57.1 -68.1 24 11.0 -57.4 310 48 417.4 417.4 307.4 417.6 0.04 32 71 17603 -63.5 -74.5 21 11.0 -63.7 296 50 446.7 446.7 310.6 446.8 0.02 33 70 17690 -63.5 -74.5 21 11.0 -63.7 295 50 448.5 448.5 310.7 448.7 0.02 34 50 19750 -66.3 -77.3 20 11.0 -66.5 290 58 487.2 487.3 314.0 487.4 0.02 35 39 21239 -70.7 -80.7 21 10.0 -70.8 512.0 512.0 315.8 512.1 0.02 36 35 21882 -70.1 -80.1 22 10.0 -70.3 529.7 529.7 316.9 529.8 0.02 TRP 382 6873 -55.9 -59.7 62 3.8 -55.9 360 48 286.1 286.1 274.6 286.2 0.03 WND 138 13420 -55.4 -64.8 30 9.5 -55.6 320 60 383.7 383.7 302.9 384.0 0.05 Sounding variables and indices 1000-500 mb thick: 5096.00 m Freezing level: 999.47 mb = 28.22 m = 92.57 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 71.03 % Est. max temperature: 2.06 C = 35.71 F Sfc-Lift cond lev (LCL): 953.70 mb = 400.75 m = 1314.77 ft T: -3.01 C 700-500 lapse rate: 9.58 C/km ThetaE index: 2.29 C Layer 1000.0- 951.0 mb Conv cond level (CCL): 882.67 mb = 1006.55 m = 3302.28 ft Mean mixing ratio: 2.35 g/kg Conv temperature: 1.62 C = 34.91 F Cap Strength: 0.91 C Lifted Index: -1.00 C Risk: Thunderstorms probable Lifted Index @300 mb: 23.62 C Lifted Index @700 mb: 0.36 C Showalter Index: -0.21 C Risk: Thunderstorms probable Total Totals Index: 63.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 34.40 C Cross Totals Index: 29.40 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 432.00 Risk: Severe Thunderstorms possible Energy Index: -0.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.34 J/kg Max Up Vert Vel: 11.34 m/s Conv Inhibition (B-): 69.29 J/kg Cap Strength: 0.91 C Lift Cond Lev (LCL): 898.37 mb = 869.36 m = 2852.18 ft Lev Free Conv (LFC): 563.37 mb = 4296.84 m = 14097.08 ft Equ Level (EL): 423.37 mb = 6213.44 m = 20385.07 ft B at Equ Level: 59.36 J/kg Max Parcel Lev (MPL): 393.37 mb = 6686.31 m = 21936.43 ft Wind level data Storm motion: 11 at 34 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 1001 16 340 19 6.5 -17.9 | 220 20 12.8 15.1 1 1000 24 340 19 6.5 -17.9 | 220 20 12.8 15.1 2 925 642 340 42 14.4 -39.5 | 288 22 20.6 -6.5 3 850 1300 350 44 7.6 -43.3 | 307 17 13.9 -10.4 4 700 2760 340 46 15.7 -43.2 | 295 24 22.0 -10.3 5 500 5120 335 48 20.3 -43.5 | 292 29 26.5 -10.6 6 400 6580 355 48 4.2 -47.8 | 325 18 10.4 -14.9 7 382 6873 360 48 -0.0 -48.0 | 337 16 6.3 -15.1 8 300 8420 350 50 8.7 -49.2 | 318 22 14.9 -16.3 9 250 9610 350 44 7.6 -43.3 | 307 17 13.9 -10.4 10 200 11050 345 48 12.4 -46.4 | 306 23 18.7 -13.4 11 150 12890 325 48 27.5 -39.3 | 281 34 33.8 -6.4 12 138 13420 320 60 38.6 -46.0 | 286 47 44.8 -13.0 13 100 15470 310 48 36.8 -30.9 | 267 43 43.0 2.1 14 70 17690 295 50 45.3 -21.1 | 257 53 51.6 11.8 15 50 19750 290 58 54.5 -19.8 | 258 62 60.8 13.1 Wind Parameters Mean winds (0-6000m): 340.8 at 44.7 knts Storm direction: 10.8 at 33.5 knts Shear (0-3000m) pos: 1.6 neg: 3.7 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 74.5 deg Storm rel helicity (0-3000m) pos: 137.1 neg: -24.0 tot: 113.1 m^2/s^2 ave: 37.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.75 Bulk Shear: 36.82 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 ------------------------------------------------------------------------------- 500 340 28 247 17| 0.0 18.8 18.8| 83.0 0.0 83.0 166.1 0.96| 18.9 18.1 1000 341 35 271 17| 3.6 9.4 13.0|123.3 0.0 123.3 123.3 0.93| 13.9 12.9 1500 344 38 282 17| 3.2 6.3 9.4|137.1 -2.7 134.4 89.6 0.87| 10.8 9.4 2000 345 40 288 17| 2.4 5.0 7.4|137.1 -10.2 126.9 63.5 0.76| 8.8 6.7 2500 345 41 290 18| 1.9 4.3 6.2|137.1 -18.5 118.6 47.4 0.66| 7.6 5.0 3000 344 42 292 19| 1.6 3.7 5.3|137.1 -24.0 113.1 37.7 0.61| 6.7 4.1 4000 342 43 292 21| 1.2 3.0 4.2|137.1 -28.4 108.7 27.2 0.56| 5.2 3.0 5000 341 44 293 22| 1.0 2.5 3.5|137.1 -33.3 103.8 20.8 0.52| 4.4 2.3 6000 341 45 294 23| 1.5 2.1 3.6|188.5 -33.9 154.7 25.8 0.56| 4.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//U6708/skewt/U6708.skewt.20251230.12.gif