UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 11 OCT 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1009 130 -5.7 -9.5 75 3.8 -6.8 275 5 266.8 267.1 265.8 271.8 1.84 1 1000 200 -6.3 -9.9 76 3.6 -7.3 270 7 266.9 267.1 265.8 271.7 1.80 2 925 805 -11.7 -15.1 76 3.4 -12.5 290 15 267.3 267.6 265.3 270.9 1.28 3 850 1445 -17.1 -19.8 79 2.7 -17.6 310 11 268.2 268.4 265.3 270.9 0.93 4 839 1543 -17.7 -20.2 81 2.5 -18.1 313 11 268.6 268.8 265.4 271.2 0.91 5 700 2887 -22.9 -25.0 83 2.1 -23.2 355 7 277.1 277.2 270.7 279.3 0.72 6 600 4009 -26.5 -28.8 81 2.3 -26.8 13 8 285.4 285.6 275.2 287.3 0.59 7 500 5300 -36.5 -39.4 74 2.9 -36.7 35 9 288.5 288.6 276.3 289.4 0.25 8 402 6777 -47.5 -50.3 73 2.8 -47.6 30 7 292.8 292.9 278.2 293.2 0.09 9 400 6810 -47.7 -50.6 72 2.9 -47.8 30 7 293.0 293.0 278.3 293.3 0.09 10 344 7788 -53.9 -56.9 69 3.0 -53.9 40 10 297.5 297.5 280.3 297.7 0.05 11 318 8290 -55.5 -58.6 68 3.1 -55.5 45 11 302.0 302.0 282.3 302.2 0.04 12 305 8555 -55.5 -58.6 68 3.1 -55.6 52 11 305.7 305.7 283.7 305.8 0.05 13 300 8660 -54.5 -57.7 68 3.2 -54.6 55 11 308.5 308.5 284.8 308.7 0.05 14 266 9437 -51.3 -54.4 69 3.1 -51.4 68 12 324.0 324.0 290.1 324.3 0.09 15 261 9560 -51.5 -54.6 69 3.1 -51.6 70 13 325.5 325.5 290.5 325.8 0.09 16 250 9840 -51.7 -54.9 68 3.2 -51.8 75 13 329.2 329.2 291.6 329.6 0.09 17 200 11300 -49.5 -54.0 59 4.5 -49.7 80 13 354.4 354.4 297.7 354.9 0.12 18 173 12249 -48.7 -54.7 50 6.0 -49.0 77 12 370.7 370.7 300.8 371.3 0.13 19 150 13180 -50.5 -57.5 43 7.0 -50.8 75 11 383.1 383.1 302.8 383.6 0.11 20 100 15800 -53.3 -63.3 29 10.0 -53.8 90 7 424.7 424.8 308.3 425.1 0.08 21 78 17402 -52.7 -63.7 25 11.0 -53.4 167 4 457.3 457.3 311.5 457.8 0.09 22 70 18100 -53.3 -64.3 25 11.0 -54.0 200 3 470.4 470.4 312.7 470.9 0.10 23 50 20270 -53.5 -66.5 19 13.0 -54.5 215 5 517.4 517.4 316.2 518.0 0.10 24 49 20400 -53.9 -66.9 19 13.0 -54.8 215 5 519.4 519.5 316.3 520.1 0.10 25 30 23580 -49.9 -64.9 16 15.0 -52.1 210 11 608.6 608.7 321.0 610.2 0.21 26 20 26260 -44.9 -62.9 12 18.0 -49.4 180 27 698.7 698.9 324.5 702.3 0.41 27 18 26960 -47.5 -65.5 11 18.0 -51.5 178 26 711.9 712.1 324.9 714.7 0.32 28 17 27339 -45.1 -64.1 10 19.0 -50.1 176 26 731.3 731.5 325.5 735.1 0.41 29 10 30870 -46.5 -66.5 9 20.0 -52.8 165 21 846.0 846.2 328.4 851.3 0.50 30 9.9 30937 -46.3 -67.3 7 21.0 -52.8 849.2 849.4 328.5 853.9 0.45 TRP 318 8290 -55.5 -58.6 68 3.1 -55.5 45 11 302.0 302.0 282.3 302.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5100.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 79.46 % Est. max temperature: -4.33 C = 24.20 F Sfc-Lift cond lev (LCL): 949.96 mb = 598.37 m = 1963.12 ft T: -9.86 C 700-500 lapse rate: 5.64 C/km ThetaE index: 0.89 C Layer 1000.0- 839.0 mb Conv cond level (CCL): 900.98 mb = 1004.17 m = 3294.49 ft Mean mixing ratio: 1.51 g/kg Conv temperature: -4.83 C = 23.31 F Cap Strength: 12.80 C Lifted Index: 14.34 C Risk: None Lifted Index @300 mb: 26.40 C Lifted Index @700 mb: 6.55 C Showalter Index: 14.69 C Risk: None Total Totals Index: 36.10 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.70 C K Index: -2.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.61 J/kg Max Up Vert Vel: 1.79 m/s Conv Inhibition (B-): 65550.58 J/kg Cap Strength: 14.21 C Lift Cond Lev (LCL): 907.92 mb = 946.03 m = 3103.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 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 1009 130 275 5 5.0 -0.4 | 228 9 6.8 6.1 1 1000 200 270 7 7.0 -0.0 | 233 11 8.8 6.6 2 925 805 290 15 14.1 -5.1 | 265 16 15.9 1.4 3 850 1445 310 11 8.4 -7.1 | 273 10 10.2 -0.5 4 700 2887 355 7 0.6 -7.0 | 280 2 2.4 -0.4 5 500 5300 35 9 -5.2 -7.4 | 77 3 -3.4 -0.8 6 400 6810 30 7 -3.5 -6.1 | 107 2 -1.7 0.5 7 318 8290 45 11 -7.8 -7.8 | 79 6 -6.0 -1.2 8 300 8660 55 11 -9.0 -6.3 | 92 7 -7.2 0.3 9 250 9840 75 13 -12.6 -3.4 | 107 11 -10.8 3.2 10 200 11300 80 13 -12.8 -2.3 | 111 12 -11.0 4.3 11 150 13180 75 11 -10.6 -2.8 | 113 10 -8.8 3.7 12 100 15800 90 7 -7.0 0.0 | 142 8 -5.2 6.6 13 70 18100 200 3 1.0 2.8 | 197 10 2.8 9.4 14 50 20270 215 5 2.9 4.1 | 204 12 4.7 10.7 15 30 23580 210 11 5.5 9.5 | 204 18 7.3 16.1 16 20 26260 180 27 0.0 27.0 | 183 34 1.8 33.6 17 10 30870 165 21 -5.4 20.3 | 172 27 -3.6 26.9 Wind Parameters Mean winds (0-6000m): 345.3 at 9.1 knts Storm direction: 15.3 at 6.8 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 60.3 deg Storm rel helicity (0-3000m) pos: 39.3 neg: -0.2 tot: 39.1 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 13.55 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 ------------------------------------------------------------------------------- 500 279 9 245 12| 8.0 0.0 8.0| 19.6 0.0 19.6 39.1 0.73| 8.5 6.2 1000 288 12 257 13| 4.5 0.0 4.5| 33.5 0.0 33.5 33.5 0.69| 7.1 4.9 1500 294 12 261 13| 2.6 0.0 2.6| 36.8 0.0 36.8 24.6 0.60| 6.1 3.7 2000 300 11 265 12| 1.9 0.0 1.9| 38.8 0.0 38.8 19.4 0.56| 5.4 3.0 2500 305 11 268 10| 1.6 0.0 1.6| 39.2 -0.0 39.2 15.7 0.50| 4.9 2.4 3000 310 10 269 9| 1.4 0.0 1.4| 39.3 -0.2 39.1 13.0 0.47| 4.3 2.0 4000 322 9 276 8| 1.3 0.0 1.3| 40.1 -0.2 39.9 10.0 0.50| 3.6 1.8 5000 334 9 287 6| 1.2 0.0 1.2| 41.0 -0.2 40.8 8.2 0.52| 3.1 1.6 6000 345 9 298 5| 1.0 0.1 1.1| 41.6 -0.2 41.4 6.9 0.52| 2.7 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251011.12.gif