UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 17 JAN 26 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 1022 136 -30.5 -35.5 62 5.0 -30.8 0 0 241.1 241.2 240.9 241.6 0.18 1 1011 213 -32.3 -38.3 55 6.0 -32.6 333 0 240.1 240.1 239.9 240.5 0.14 2 1000 290 -32.9 -37.9 61 5.0 -33.1 305 1 240.2 240.3 240.0 240.6 0.15 3 962 562 -34.3 -39.3 60 5.0 -34.5 350 4 241.5 241.5 241.2 241.9 0.13 4 952 636 -28.7 -33.7 62 5.0 -29.0 2 5 247.9 247.9 247.3 248.6 0.23 5 926 835 -25.1 -29.8 65 4.7 -25.5 34 7 253.6 253.6 252.5 254.5 0.35 6 925 843 -25.1 -29.8 65 4.7 -25.5 35 7 253.6 253.7 252.6 254.6 0.35 7 896 1075 -23.9 -28.3 67 4.4 -24.4 39 14 257.2 257.3 255.8 258.4 0.41 8 866 1326 -20.9 -24.8 71 3.9 -21.4 43 21 262.8 262.9 260.6 264.5 0.59 9 850 1464 -19.3 -23.0 72 3.7 -19.8 45 25 265.9 266.0 263.2 267.9 0.71 10 798 1932 -20.1 -23.7 73 3.6 -20.7 56 25 269.9 270.0 266.0 272.0 0.71 11 700 2890 -26.9 -30.3 73 3.4 -27.3 80 25 272.7 272.8 267.4 274.0 0.44 12 699 2900 -26.9 -30.4 72 3.5 -27.3 80 25 272.8 272.9 267.4 274.1 0.44 13 658 3336 -27.9 -31.5 71 3.6 -28.3 83 25 276.4 276.5 269.7 277.7 0.42 14 573 4316 -35.3 -39.0 69 3.7 -35.5 89 25 278.9 279.0 270.9 279.6 0.23 15 500 5250 -43.3 -47.2 65 3.9 -43.5 95 25 280.2 280.3 271.5 280.6 0.11 16 400 6700 -55.7 -59.6 62 3.9 -55.8 105 27 282.6 282.6 272.7 282.7 0.03 17 337 7770 -65.3 -69.3 57 4.0 -65.3 100 33 283.7 283.7 273.3 283.7 0.01 18 335 7806 -65.3 -69.3 57 4.0 -65.3 100 33 284.2 284.2 273.6 284.2 0.01 19 315 8181 -65.7 -69.6 58 3.9 -65.7 100 34 288.7 288.7 276.0 288.7 0.01 20 300 8480 -62.7 -66.9 57 4.2 -62.7 100 35 297.0 297.0 280.0 297.0 0.02 21 250 9610 -57.9 -62.2 58 4.3 -58.0 105 21 320.0 320.0 288.8 320.1 0.04 22 244 9764 -57.3 -61.6 58 4.3 -57.4 107 21 323.1 323.1 289.8 323.3 0.04 23 229 10165 -58.9 -63.3 57 4.4 -59.0 111 21 326.6 326.6 290.8 326.7 0.03 24 200 11020 -57.1 -61.8 55 4.7 -57.2 120 21 342.3 342.4 294.9 342.5 0.05 25 150 12840 -57.1 -63.1 46 6.0 -57.3 145 23 371.7 371.7 300.9 371.9 0.05 26 118 14357 -56.7 -64.7 36 8.0 -56.9 166 29 398.8 398.9 305.1 399.1 0.05 27 100 15410 -54.7 -64.7 28 10.0 -55.1 180 33 422.0 422.1 308.0 422.4 0.06 28 96 15671 -53.7 -63.7 28 10.0 -54.2 182 35 428.9 429.0 308.7 429.4 0.08 29 70 17700 -52.1 -65.1 20 13.0 -52.9 195 50 472.9 473.0 312.9 473.4 0.09 30 60 18698 -52.3 -66.3 17 14.0 -53.2 200 55 493.8 493.8 314.5 494.3 0.09 31 55 19266 -48.5 -63.5 16 15.0 -50.0 202 57 514.9 515.0 316.0 515.8 0.14 32 50 19890 -50.9 -66.9 13 16.0 -52.2 205 60 523.5 523.6 316.6 524.1 0.09 33 43 20860 -56.3 -73.3 10 17.0 -57.2 202 61 533.3 533.3 317.1 533.6 0.04 34 41 21164 -53.7 -70.7 11 17.0 -54.9 201 61 547.1 547.1 317.9 547.6 0.07 35 35 22177 -55.3 -73.3 9 18.0 -56.5 198 61 568.3 568.3 319.1 568.6 0.05 36 33 22554 -52.9 -71.9 8 19.0 -54.6 197 62 584.3 584.3 319.9 584.8 0.07 37 30 23170 -52.3 -71.3 8 19.0 -54.2 195 62 602.1 602.1 320.7 602.7 0.08 38 20 25770 -55.1 -75.1 7 20.0 -57.2 195 66 667.5 667.5 323.3 668.1 0.07 39 18 26442 -55.9 -75.9 6 20.0 -58.0 685.4 685.4 324.0 686.0 0.07 40 18 26442 -52.7 -73.7 6 21.0 -55.5 695.5 695.5 324.3 696.4 0.10 41 16 27199 -54.3 -74.3 7 20.0 -56.9 714.1 714.2 324.9 715.0 0.10 42 12 29073 -47.3 -69.3 6 22.0 -52.9 800.2 800.3 327.3 803.0 0.28 TRP 337 7770 -65.3 -69.3 57 4.0 -65.3 100 33 283.7 283.7 273.3 283.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 4960.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 68.92 % Est. max temperature: -9.82 C = 14.32 F Sfc-Lift cond lev (LCL): 938.65 mb = 737.33 m = 2419.03 ft T: -26.86 C 700-500 lapse rate: 6.95 C/km ThetaE index: 1.16 C Layer 1011.0-1000.0 mb Conv cond level (CCL): 515.97 mb = 5034.45 m = 16517.03 ft Mean mixing ratio: 0.20 g/kg Conv temperature: 8.56 C = 47.41 F Cap Strength: 29.02 C Lifted Index: 28.98 C Risk: None Lifted Index @300 mb: 36.89 C Lifted Index @700 mb: 25.23 C Showalter Index: 10.23 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 20.30 C K Index: -2.40 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.36 J/kg Max Up Vert Vel: 11.26 m/s Conv Inhibition (B-): 69265.77 J/kg Cap Strength: 29.06 C Lift Cond Lev (LCL): 900.41 mb = 1039.44 m = 3410.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 109 at 16 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 1022 136 0 0 -0.0 -0.0 | 289 16 15.3 -5.3 1 1000 290 305 1 0.8 -0.6 | 290 17 16.2 -5.8 2 925 843 35 7 -4.0 -5.7 | 314 16 11.3 -11.0 3 850 1464 45 25 -17.7 -17.7 | 6 23 -2.3 -22.9 4 700 2890 80 25 -24.6 -4.3 | 44 13 -9.3 -9.6 5 500 5250 95 25 -24.9 2.2 | 72 10 -9.6 -3.1 6 400 6700 105 27 -26.1 7.0 | 99 11 -10.7 1.7 7 337 7770 100 33 -32.5 5.7 | 92 17 -17.2 0.5 8 300 8480 100 35 -34.5 6.1 | 92 19 -19.1 0.8 9 250 9610 105 21 -20.3 5.4 | 92 5 -4.9 0.2 10 200 11020 120 21 -18.2 10.5 | 151 6 -2.8 5.2 11 150 12840 145 23 -13.2 18.8 | 189 14 2.1 13.6 12 100 15410 180 33 0.0 33.0 | 209 32 15.3 27.7 13 70 17700 195 50 12.9 48.3 | 213 51 28.3 43.0 14 50 19890 205 60 25.4 54.4 | 220 64 40.7 49.1 15 30 23170 195 62 16.0 59.9 | 210 63 31.4 54.6 16 20 25770 195 66 17.1 63.8 | 209 67 32.4 58.5 Wind Parameters Mean winds (0-6000m): 79.0 at 21.6 knts Storm direction: 109.0 at 16.2 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 117.5 deg Storm rel helicity (0-3000m) pos: 175.3 neg: 0.0 tot: 175.3 m^2/s^2 ave: 58.4 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.01 Bulk Shear: 62.46 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 ------------------------------------------------------------------------------- 500 349 2 295 17| 4.9 0.0 4.9| 21.7 0.0 21.7 43.4 0.79| 5.9 4.7 1000 33 5 309 16| 8.0 0.0 8.0| 72.7 0.0 72.7 72.7 0.87| 9.4 8.2 1500 42 11 328 16| 8.6 0.0 8.6|125.3 0.0 125.3 83.5 0.87| 10.1 8.8 2000 47 14 342 16| 6.4 0.0 6.4|147.1 0.0 147.1 73.5 0.85| 9.0 7.7 2500 54 16 352 15| 5.1 0.0 5.1|165.3 0.0 165.3 66.1 0.84| 8.3 7.0 3000 59 18 360 14| 4.3 0.0 4.3|175.3 0.0 175.3 58.4 0.84| 7.5 6.3 4000 68 20 12 13| 3.2 0.0 3.2|182.8 0.0 182.8 45.7 0.84| 6.0 5.0 5000 74 21 23 12| 2.6 0.0 2.6|189.8 0.0 189.8 38.0 0.84| 5.1 4.3 6000 79 22 32 11| 2.2 0.0 2.2|198.6 0.0 198.6 33.1 0.85| 4.5 3.8 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20260117.00.gif