UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 8 DEC 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 1006 133 -23.5 -28.5 63 5.0 -23.9 270 3 249.2 249.3 248.8 250.2 0.36 1 1000 177 -23.3 -28.3 63 5.0 -23.8 270 5 249.9 249.9 249.4 250.9 0.37 2 925 735 -27.7 -32.7 62 5.0 -28.0 290 9 251.0 251.0 250.1 251.7 0.26 3 850 1352 -25.3 -30.0 65 4.7 -25.8 290 19 259.6 259.7 257.6 260.7 0.37 4 837 1464 -24.3 -28.9 66 4.6 -24.8 291 19 261.8 261.9 259.5 263.0 0.42 5 714 2614 -28.3 -32.4 68 4.1 -28.7 299 17 269.6 269.7 265.1 270.7 0.35 6 700 2756 -29.1 -33.2 68 4.1 -29.5 300 17 270.3 270.3 265.5 271.3 0.33 7 546 4480 -42.3 -46.3 65 4.0 -42.5 300 11 274.5 274.5 267.9 274.8 0.11 8 500 5070 -45.5 -49.3 65 3.8 -45.6 300 9 277.6 277.6 269.8 277.8 0.09 9 449 5782 -49.9 -53.7 64 3.8 -50.0 286 11 280.7 280.7 271.6 280.9 0.06 10 400 6530 -55.7 -59.6 62 3.9 -55.8 270 13 282.6 282.6 272.7 282.7 0.03 11 364 7123 -59.7 -63.8 59 4.1 -59.7 243 10 285.0 285.0 274.0 285.1 0.02 12 309 8137 -62.5 -66.6 58 4.1 -62.5 195 5 294.7 294.7 279.0 294.8 0.02 13 304 8238 -61.3 -65.2 60 3.9 -61.3 212 6 297.8 297.8 280.4 297.9 0.02 14 300 8320 -61.5 -65.5 59 4.0 -61.5 225 7 298.6 298.7 280.8 298.7 0.02 15 280 8750 -62.5 -66.7 57 4.2 -62.6 250 6 303.2 303.2 282.7 303.2 0.02 16 250 9460 -58.7 -63.1 57 4.4 -58.7 290 5 318.8 318.8 288.4 318.9 0.03 17 242 9664 -56.1 -60.3 59 4.2 -56.2 285 6 325.7 325.7 290.5 325.9 0.05 18 232 9931 -56.7 -61.0 58 4.3 -56.8 278 6 328.7 328.7 291.4 328.9 0.04 19 200 10870 -55.5 -60.3 55 4.8 -55.6 255 9 344.9 344.9 295.6 345.1 0.06 20 150 12710 -55.1 -62.1 42 7.0 -55.3 220 13 375.1 375.2 301.5 375.4 0.06 21 122 14029 -53.5 -63.5 28 10.0 -53.9 230 20 400.9 400.9 305.3 401.2 0.06 22 100 15300 -54.9 -65.9 24 11.0 -55.3 240 27 421.7 421.7 307.9 421.9 0.05 23 79 16803 -56.5 -69.5 18 13.0 -57.0 233 36 447.8 447.8 310.7 448.0 0.04 24 70 17570 -57.5 -71.5 15 14.0 -58.0 230 40 461.4 461.4 311.9 461.6 0.04 25 60 18540 -57.1 -72.1 13 15.0 -57.7 230 40 483.1 483.1 313.7 483.3 0.04 26 50 19680 -60.3 -75.3 12 15.0 -60.8 230 40 501.4 501.4 315.1 501.6 0.03 27 38 21384 -62.7 -78.7 10 16.0 -63.2 227 51 536.2 536.2 317.3 536.3 0.02 28 30 22860 -57.9 -75.9 8 18.0 -59.0 225 60 586.8 586.8 320.0 587.1 0.04 29 27 23529 -55.5 -73.5 9 18.0 -57.0 222 68 611.5 611.5 321.2 612.0 0.07 30 22 24832 -56.9 -75.9 7 19.0 -58.5 217 84 644.2 644.2 322.5 644.7 0.06 31 20 25440 -54.5 -74.5 7 20.0 -56.7 215 91 669.4 669.4 323.4 670.0 0.08 32 19 25768 -54.7 -74.7 7 20.0 -56.9 678.6 678.7 323.7 679.3 0.08 33 17 26491 -47.7 -69.7 6 22.0 -52.1 723.0 723.1 325.2 724.7 0.19 34 16 26891 -48.4 -70.8 6 22.3 -52.8 215 97 733.2 733.3 325.5 734.8 0.17 35 14 27767 -50.1 -73.1 5 23.0 -54.3 756.2 756.2 326.1 757.5 0.14 TRP 309 8137 -62.5 -66.6 58 4.1 -62.5 195 5 294.7 294.7 279.0 294.8 0.02 WND 16 26891 -48.4 -70.8 6 22.3 -52.8 215 97 733.2 733.3 325.5 734.8 0.17 Sounding variables and indices 1000-500 mb thick: 4893.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 65.51 % Est. max temperature: -13.80 C = 7.17 F Sfc-Lift cond lev (LCL): 925.54 mb = 730.86 m = 2397.81 ft T: -27.67 C 700-500 lapse rate: 7.09 C/km ThetaE index: 0.00 C Layer 1006.0- -0.0 mb Conv cond level (CCL): 626.91 mb = 3521.26 m = 11552.55 ft Mean mixing ratio: 0.31 g/kg Conv temperature: -0.46 C = 31.17 F Cap Strength: 19.32 C Lifted Index: 21.36 C Risk: None Lifted Index @300 mb: 33.40 C Lifted Index @700 mb: 17.11 C Showalter Index: 13.89 C Risk: None Total Totals Index: 35.70 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 15.50 C K Index: -13.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.02 J/kg Max Up Vert Vel: 4.00 m/s Conv Inhibition (B-): 64444.03 J/kg Cap Strength: 20.94 C Lift Cond Lev (LCL): 879.97 mb = 1099.20 m = 3606.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 325 at 10 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 1006 133 270 3 3.0 -0.0 | 161 8 -2.7 8.0 1 1000 177 270 5 5.0 -0.0 | 175 8 -0.7 8.0 2 925 735 290 9 8.5 -3.1 | 209 6 2.7 5.0 3 850 1352 290 19 17.9 -6.5 | 263 12 12.1 1.5 4 700 2756 300 17 14.7 -8.5 | 273 9 9.0 -0.5 5 500 5070 300 9 7.8 -4.5 | 210 4 2.1 3.5 6 400 6530 270 13 13.0 -0.0 | 222 11 7.3 8.0 7 309 8137 195 5 1.3 4.8 | 161 14 -4.4 12.9 8 300 8320 225 7 4.9 4.9 | 177 13 -0.8 13.0 9 250 9460 290 5 4.7 -1.7 | 171 6 -1.0 6.3 10 200 10870 255 9 8.7 2.3 | 196 11 3.0 10.4 11 150 12710 220 13 8.4 10.0 | 188 18 2.6 18.0 12 100 15300 240 27 23.4 13.5 | 219 28 17.7 21.5 13 70 17570 230 40 30.6 25.7 | 216 42 24.9 33.8 14 50 19680 230 40 30.6 25.7 | 216 42 24.9 33.8 15 30 22860 225 60 42.4 42.4 | 216 62 36.7 50.5 16 20 25440 215 91 52.2 74.5 | 209 95 46.5 82.6 Wind Parameters Mean winds (0-6000m): 294.6 at 13.2 knts Storm direction: 324.6 at 9.9 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 31.5 neg: -1.4 tot: 30.2 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.18 Bulk Shear: 6.78 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 ------------------------------------------------------------------------------- 500 280 6 185 7| 5.6 0.0 5.6| 10.3 0.0 10.3 20.5 0.90| 5.9 5.3 1000 286 9 207 6| 6.5 0.0 6.5| 21.1 0.0 21.1 21.1 0.85| 6.8 5.8 1500 289 12 232 7| 5.4 0.0 5.4| 27.6 0.0 27.6 18.4 0.78| 5.9 4.6 2000 290 13 244 8| 3.9 0.0 3.9| 29.6 0.0 29.6 14.8 0.76| 4.8 3.6 2500 292 14 250 8| 3.0 0.0 3.0| 31.2 0.0 31.2 12.5 0.75| 4.1 3.0 3000 293 15 254 8| 2.3 0.0 2.3| 31.5 -1.4 30.2 10.1 0.67| 3.7 2.5 4000 295 15 256 8| 1.7 0.4 2.1| 31.5 -5.1 26.4 6.6 0.49| 3.2 1.6 5000 296 14 253 7| 1.4 0.7 2.0| 31.6 -8.5 23.1 4.6 0.33| 2.9 1.0 6000 295 13 248 7| 1.1 0.6 1.7| 33.1 -8.5 24.6 4.1 0.31| 2.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251208.00.gif