UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 22 APR 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 ------------------------------------------------------------------------------- 0 1000 24 SFC 986 137 -0.3 -3.0 82 2.7 -1.3 280 3 274.0 274.5 272.6 282.4 3.10 2 925 643 -4.5 -7.1 82 2.6 -5.4 265 11 274.7 275.1 272.0 281.4 2.42 3 850 1303 -9.3 -12.0 81 2.7 -10.1 275 13 276.4 276.7 272.0 281.5 1.79 4 760 2157 -15.7 -18.1 82 2.4 -16.2 284 14 278.5 278.7 272.3 282.0 1.21 5 720 2567 -13.9 -15.6 87 1.7 -14.3 288 15 284.8 285.1 276.4 289.4 1.57 6 700 2780 -15.1 -17.1 85 2.0 -15.6 290 15 285.8 286.0 276.7 290.0 1.43 7 607 3844 -21.7 -24.2 80 2.5 -22.1 301 16 290.0 290.2 278.0 292.8 0.89 8 500 5240 -33.5 -36.8 72 3.3 -33.8 315 17 292.2 292.3 278.3 293.3 0.33 9 400 6760 -46.7 -50.4 66 3.7 -46.8 315 19 294.3 294.3 278.9 294.6 0.09 10 348 7665 -54.3 -58.1 63 3.8 -54.4 325 15 296.0 296.0 279.6 296.1 0.04 11 328 8044 -54.5 -58.2 64 3.7 -54.6 303 12 300.8 300.8 281.7 300.9 0.05 12 310 8407 -50.9 -54.6 65 3.7 -51.0 282 9 310.7 310.7 285.7 311.0 0.07 13 300 8620 -50.7 -54.6 63 3.9 -50.8 270 7 313.9 313.9 286.8 314.2 0.08 14 250 9820 -47.1 -54.1 45 7.0 -47.4 185 11 336.0 336.1 293.4 336.4 0.10 15 237 10174 -45.5 -54.5 36 9.0 -45.9 184 11 343.6 343.6 295.3 344.0 0.10 16 200 11300 -46.5 -60.5 19 14.0 -47.1 180 11 359.1 359.1 298.6 359.4 0.06 17 180 12001 -46.5 -62.5 15 16.0 -47.1 182 12 370.1 370.1 300.6 370.3 0.05 18 168 12458 -47.9 -64.9 12 17.0 -48.6 183 12 375.2 375.2 301.5 375.3 0.04 19 150 13210 -45.9 -64.9 10 19.0 -46.8 185 13 391.0 391.0 304.0 391.2 0.04 20 121 14637 -44.9 -66.9 7 22.0 -46.2 169 11 417.6 417.6 307.4 417.8 0.04 21 100 15900 -47.1 -70.1 5 23.0 -48.3 155 9 436.7 436.7 309.6 436.9 0.03 22 94 16308 -48.9 -71.9 5 23.0 -50.0 179 8 441.0 441.0 310.0 441.1 0.02 23 70 18240 -50.1 -74.1 4 24.0 -51.3 295 5 477.2 477.2 313.2 477.3 0.02 24 50 20440 -50.7 -75.7 4 25.0 -52.2 90 7 524.0 524.0 316.6 524.2 0.03 25 32 23332 -52.3 -77.3 3 25.0 -54.2 350 4 591.1 591.1 320.2 591.3 0.03 26 30 23750 -51.1 -76.1 4 25.0 -53.4 335 3 605.3 605.3 320.9 605.6 0.04 27 20 26400 -49.1 -74.1 4 25.0 -52.7 75 19 685.9 685.9 324.0 686.6 0.08 28 10 30970 -45.1 -71.1 4 26.0 -52.4 55 11 851.2 851.3 328.5 854.0 0.26 29 8.9 31749 -44.5 -70.5 4 26.0 -52.5 882.4 882.5 329.1 885.9 0.32 TRP 348 7665 -54.3 -58.1 63 3.8 -54.4 325 15 296.0 296.0 279.6 296.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5216.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 80.54 % Est. max temperature: 2.46 C = 36.42 F Sfc-Lift cond lev (LCL): 945.20 mb = 471.73 m = 1547.66 ft T: -3.08 C 700-500 lapse rate: 7.48 C/km ThetaE index: 1.01 C Layer 925.0- 850.0 mb Conv cond level (CCL): 885.45 mb = 984.08 m = 3228.58 ft Mean mixing ratio: 2.56 g/kg Conv temperature: 1.33 C = 34.40 F Cap Strength: 8.57 C Lifted Index: 9.08 C Risk: None Lifted Index @300 mb: 22.82 C Lifted Index @700 mb: 6.27 C Showalter Index: 9.25 C Risk: None Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 21.50 C K Index: 10.20 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.00 J/kg Max Up Vert Vel: 3.46 m/s Conv Inhibition (B-): 63635.69 J/kg Cap Strength: 9.04 C Lift Cond Lev (LCL): 897.96 mb = 874.58 m = 2869.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 11 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 ---------------------------------------------------------- 0 986 137 280 3 3.0 -0.5 | 160 9 -3.1 8.7 1 925 643 265 11 11.0 1.0 | 206 11 4.9 10.1 2 850 1303 275 13 13.0 -1.1 | 221 11 6.9 8.0 3 700 2780 290 15 14.1 -5.1 | 243 9 8.1 4.0 4 500 5240 315 17 12.0 -12.0 | 295 7 6.0 -2.8 5 400 6760 315 19 13.4 -13.4 | 300 9 7.4 -4.3 6 348 7665 325 15 8.6 -12.3 | 320 4 2.6 -3.1 7 300 8620 270 7 7.0 -0.0 | 186 9 1.0 9.2 8 250 9820 185 11 1.0 11.0 | 166 21 -5.1 20.1 9 200 11300 180 11 0.0 11.0 | 163 21 -6.0 20.2 10 150 13210 185 13 1.1 13.0 | 168 23 -4.9 22.1 11 100 15900 155 9 -3.8 8.2 | 150 20 -9.8 17.3 12 70 18240 295 5 4.5 -2.1 | 168 7 -1.5 7.1 13 50 20440 90 7 -7.0 0.0 | 125 16 -13.0 9.2 14 30 23750 335 3 1.3 -2.7 | 144 8 -4.8 6.5 15 20 26400 75 19 -18.4 -4.9 | 100 25 -24.4 4.3 16 10 30970 55 11 -9.0 -6.3 | 101 15 -15.0 2.9 Wind Parameters Mean winds (0-6000m): 296.7 at 14.6 knts Storm direction: 326.7 at 11.0 knts Shear (0-3000m) pos: 1.3 neg: 1.4 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 88.7 deg Storm rel helicity (0-3000m) pos: 38.3 neg: 0.0 tot: 38.3 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 11.06 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 ------------------------------------------------------------------------------- 500 268 7 186 9| 0.0 8.3 8.3| 17.9 0.0 17.9 35.8 0.90| 8.4 7.5 1000 269 9 199 10| 1.1 4.1 5.3| 24.2 0.0 24.2 24.2 0.92| 5.3 4.9 1500 272 11 207 10| 1.3 2.8 4.1| 28.5 0.0 28.5 19.0 0.92| 4.1 3.8 2000 275 11 213 10| 1.3 2.1 3.4| 31.9 0.0 31.9 16.0 0.92| 3.4 3.2 2500 278 12 218 10| 1.3 1.7 3.0| 35.3 0.0 35.3 14.1 0.92| 3.1 2.8 3000 280 13 222 9| 1.3 1.4 2.7| 38.3 0.0 38.3 12.8 0.92| 2.8 2.6 4000 286 13 231 9| 1.3 1.0 2.3| 43.8 0.0 43.8 11.0 0.92| 2.5 2.3 5000 292 14 240 8| 1.3 0.8 2.1| 49.2 0.0 49.2 9.8 0.92| 2.3 2.1 6000 297 15 250 8| 1.1 0.7 1.9| 50.5 0.0 50.5 8.4 0.90| 2.0 1.8 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20250422.12.gif