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 U4947... Searching the city database file for: U4947 ... Date:1200Z 17 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 1018 138 -3.1 -7.1 74 4.0 -4.4 290 3 268.7 269.0 267.8 274.6 2.20 1 1000 279 -3.9 -8.8 69 4.9 -5.4 275 7 269.2 269.6 267.8 274.6 1.96 2 925 887 -9.7 -13.9 71 4.2 -10.8 275 15 269.4 269.6 266.9 273.3 1.41 3 897 1124 -11.3 -14.7 76 3.4 -12.1 284 13 270.1 270.3 267.3 273.9 1.36 4 864 1412 -10.7 -14.6 73 3.9 -11.7 295 10 273.7 273.9 269.7 277.7 1.42 5 850 1537 -11.3 -15.7 70 4.4 -12.3 300 9 274.3 274.5 269.9 278.1 1.32 6 750 2489 -15.5 -19.7 70 4.2 -16.4 332 8 279.7 279.9 272.8 282.9 1.07 7 732 2673 -14.5 -18.8 70 4.3 -15.4 338 7 282.8 283.0 274.7 286.3 1.18 8 700 3011 -15.7 -20.7 65 5.0 -16.7 350 7 285.1 285.3 275.7 288.3 1.05 9 685 3174 -15.7 -20.7 65 5.0 -16.8 0 7 286.9 287.1 276.7 290.1 1.07 10 563 4628 -24.7 -33.7 43 9.0 -25.8 94 4 292.8 292.9 278.7 294.1 0.39 11 507 5382 -30.9 -39.9 41 9.0 -31.7 143 3 294.2 294.2 279.1 295.0 0.23 12 500 5480 -31.9 -40.9 41 9.0 -32.6 150 3 294.1 294.2 279.0 294.9 0.21 13 467 5955 -36.1 -44.1 44 8.0 -36.6 126 5 294.7 294.8 279.2 295.3 0.16 14 406 6910 -42.1 -50.1 41 8.0 -42.4 75 10 299.0 299.0 281.0 299.3 0.10 15 400 7010 -42.9 -50.9 41 8.0 -43.2 70 11 299.2 299.2 281.1 299.6 0.09 16 300 8890 -57.5 -64.5 41 7.0 -57.6 90 21 304.3 304.3 283.1 304.4 0.02 17 298 8932 -57.9 -64.9 40 7.0 -58.0 90 21 304.3 304.3 283.1 304.4 0.02 18 267 9614 -61.5 -68.5 39 7.0 -61.6 95 23 308.8 308.8 284.9 308.8 0.01 19 259 9801 -61.7 -68.7 39 7.0 -61.7 90 22 311.2 311.2 285.8 311.2 0.01 20 250 10020 -60.1 -67.1 39 7.0 -60.2 85 21 316.7 316.7 287.7 316.8 0.02 21 234 10436 -57.7 -64.7 40 7.0 -57.8 76 21 326.4 326.4 290.7 326.5 0.03 22 200 11430 -56.9 -63.9 41 7.0 -57.1 55 21 342.7 342.7 295.0 342.8 0.04 23 150 13260 -54.7 -62.7 37 8.0 -54.9 50 15 375.8 375.8 301.6 376.1 0.06 24 100 15830 -56.9 -64.9 36 8.0 -57.2 35 7 417.8 417.8 307.5 418.1 0.06 25 70 18080 -57.7 -65.7 35 8.0 -58.0 60 3 460.9 461.0 311.9 461.4 0.08 26 50 20210 -57.5 -65.5 35 8.0 -58.0 285 7 508.0 508.0 315.5 508.7 0.11 27 46 20736 -57.9 -65.9 35 8.0 -58.4 278 8 519.3 519.3 316.3 520.0 0.12 28 31 23249 -53.7 -62.7 32 9.0 -54.9 243 13 592.7 592.8 320.3 594.6 0.27 29 30 23460 -53.7 -62.7 32 9.0 -54.9 240 13 598.2 598.3 320.6 600.3 0.28 30 27 24136 -54.7 -63.7 32 9.0 -55.9 237 16 613.7 613.8 321.3 615.8 0.27 31 20 26080 -49.5 -58.5 34 9.0 -51.8 230 25 684.7 685.0 324.1 690.7 0.71 32 19 26416 -48.9 -57.9 34 9.0 -51.4 231 26 696.6 697.0 324.6 703.6 0.81 33 17 27146 -48.7 -58.7 30 10.0 -51.6 232 29 719.8 720.2 325.3 727.1 0.82 34 15 27961 -52.1 -61.1 33 9.0 -54.4 234 31 734.7 735.0 325.7 741.0 0.68 35 14 28413 -47.1 -57.1 31 10.0 -50.7 235 33 766.3 766.9 326.7 777.8 1.21 36 10 30650 -44.7 -54.7 32 10.0 -49.6 240 40 852.7 853.9 329.0 876.7 2.28 37 8.8 31507 -43.7 -53.7 32 10.0 -49.1 888.3 889.9 329.8 920.4 2.93 38 7.9 32228 -46.3 -57.3 28 11.0 -51.7 905.8 906.9 329.9 929.4 2.10 39 7.0 33036 -44.0 -55.0 28 11.0 -50.3 240 66 947.1 948.9 330.9 984.0 3.14 40 6.6 33432 -42.9 -53.9 29 11.0 -49.6 967.9 970.1 331.4 1013.7 3.81 TRP 267 9614 -61.5 -68.5 39 7.0 -61.6 95 23 308.8 308.8 284.9 308.8 0.01 WND 7.0 33036 -44.0 -55.0 28 11.0 -50.3 240 66 947.1 948.9 330.9 984.0 3.14 Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 61.11 % Est. max temperature: 1.46 C = 34.64 F Sfc-Lift cond lev (LCL): 955.82 mb = 631.42 m = 2071.55 ft T: -7.26 C 700-500 lapse rate: 6.56 C/km ThetaE index: 1.34 C Layer 1000.0- 897.0 mb Conv cond level (CCL): 806.25 mb = 1939.09 m = 6361.77 ft Mean mixing ratio: 1.73 g/kg Conv temperature: 4.87 C = 40.76 F Cap Strength: 16.89 C Lifted Index: 16.74 C Risk: None Lifted Index @300 mb: 21.46 C Lifted Index @700 mb: 11.53 C Showalter Index: 13.55 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 16.20 C K Index: -0.10 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.58 J/kg Max Up Vert Vel: 1.78 m/s Conv Inhibition (B-): 72024.31 J/kg Cap Strength: 16.85 C Lift Cond Lev (LCL): 902.19 mb = 1079.21 m = 3540.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 5 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 1018 138 290 3 2.8 -1.0 | 193 4 0.9 3.9 1 1000 279 275 7 7.0 -0.6 | 230 7 5.1 4.3 2 925 887 275 15 14.9 -1.3 | 255 14 13.0 3.6 3 850 1537 300 9 7.8 -4.5 | 266 6 5.9 0.4 4 700 3011 350 7 1.2 -6.9 | 19 2 -0.7 -2.0 5 500 5480 150 3 -1.5 2.6 | 156 8 -3.4 7.5 6 400 7010 70 11 -10.3 -3.8 | 95 12 -12.3 1.1 7 300 8890 90 21 -21.0 0.0 | 102 23 -22.9 4.9 8 267 9614 95 23 -22.9 2.0 | 106 26 -24.8 6.9 9 250 10020 85 21 -20.9 -1.8 | 98 23 -22.8 3.1 10 200 11430 55 21 -17.2 -12.0 | 70 20 -19.1 -7.1 11 150 13260 50 15 -11.5 -9.6 | 71 14 -13.4 -4.7 12 100 15830 35 7 -4.0 -5.7 | 82 6 -5.9 -0.8 13 70 18080 60 3 -2.6 -1.5 | 127 6 -4.5 3.4 14 50 20210 285 7 6.8 -1.8 | 237 6 4.8 3.1 15 30 23460 240 13 11.3 6.5 | 219 15 9.3 11.4 16 20 26080 230 25 19.2 16.1 | 219 27 17.2 21.0 17 10 30650 240 40 34.6 20.0 | 233 41 32.7 24.9 Wind Parameters Mean winds (0-6000m): 308.7 at 7.0 knts Storm direction: 338.7 at 5.3 knts Shear (0-3000m) pos: 2.2 neg: 1.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -151.0 deg Storm rel helicity (0-3000m) pos: 25.4 neg: 0.0 tot: 25.4 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.61 Bulk Shear: 2.58 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 ------------------------------------------------------------------------------- 500 276 8 237 7| 0.0 9.1 9.1| 9.7 0.0 9.7 19.5 0.65| 9.2 6.0 1000 277 11 248 10| 1.2 4.6 5.7| 17.9 0.0 17.9 17.9 0.57| 7.6 4.3 1500 281 11 252 9| 2.0 3.0 5.0| 20.3 0.0 20.3 13.6 0.48| 6.8 3.3 2000 287 10 256 8| 2.1 2.3 4.4| 22.5 0.0 22.5 11.2 0.50| 5.8 2.9 2500 293 10 261 7| 2.2 1.8 4.0| 24.0 0.0 24.0 9.6 0.54| 5.1 2.8 3000 299 9 266 6| 2.2 1.5 3.7| 25.4 0.0 25.4 8.5 0.58| 4.7 2.7 4000 309 8 276 5| 2.1 1.1 3.2| 32.2 0.0 32.2 8.0 0.61| 4.5 2.7 5000 310 8 269 4| 1.5 0.9 2.4| 42.6 0.0 42.6 8.5 0.66| 4.1 2.7 6000 309 7 262 4| 1.3 0.5 1.7| 45.2 -8.8 36.4 6.1 0.53| 3.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251017.12.gif