UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 18 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 -2 180 13 SFC 999 6 -2.1 -4.8 82 2.7 -3.0 180 13 271.1 271.6 270.2 278.4 2.67 2 925 614 -6.1 -9.6 76 3.5 -7.2 235 15 273.1 273.4 270.3 278.6 1.99 3 850 1270 -10.3 -13.6 77 3.3 -11.2 235 17 275.4 275.6 271.0 279.8 1.57 4 700 2739 -19.5 -22.4 78 2.9 -20.0 235 35 280.9 281.0 273.2 283.6 0.90 5 591 3979 -26.9 -29.7 77 2.8 -27.3 243 50 286.2 286.3 275.6 287.9 0.55 6 520 4887 -35.1 -38.2 73 3.1 -35.3 248 61 287.0 287.1 275.6 287.9 0.27 7 500 5160 -36.3 -39.3 74 3.0 -36.5 250 64 288.8 288.8 276.5 289.6 0.25 8 484 5385 -36.5 -39.4 74 2.9 -36.7 251 65 291.2 291.3 277.7 292.1 0.26 9 452 5853 -41.1 -44.2 72 3.1 -41.2 252 67 291.2 291.2 277.6 291.8 0.17 10 421 6331 -43.9 -47.2 70 3.3 -44.0 254 70 293.6 293.6 278.6 294.1 0.13 11 420 6347 -45.3 -48.5 70 3.2 -45.4 254 70 292.0 292.0 277.9 292.4 0.11 12 407 6556 -47.1 -50.2 70 3.1 -47.2 255 71 292.3 292.3 278.0 292.6 0.09 13 400 6670 -48.1 -51.2 70 3.1 -48.2 255 69 292.5 292.5 278.0 292.8 0.09 14 369 7200 -51.1 -54.4 68 3.3 -51.2 255 66 295.3 295.3 279.3 295.5 0.06 15 366 7253 -52.1 -55.2 69 3.1 -52.2 255 66 294.7 294.7 279.0 294.9 0.06 16 365 7271 -54.1 -57.6 65 3.5 -54.2 255 66 292.2 292.2 277.9 292.4 0.04 17 364 7288 -54.1 -57.6 65 3.5 -54.2 255 66 292.5 292.5 278.0 292.6 0.04 18 322 8084 -50.1 -53.8 65 3.7 -50.2 255 49 308.4 308.4 284.8 308.7 0.08 19 304 8463 -48.1 -52.4 61 4.3 -48.3 255 42 316.4 316.4 287.6 316.7 0.10 20 300 8550 -48.3 -52.8 60 4.5 -48.4 255 40 317.3 317.3 288.0 317.6 0.10 21 250 9750 -46.7 -52.7 50 6.0 -47.0 255 35 336.6 336.7 293.6 337.1 0.12 22 235 10160 -45.9 -52.9 45 7.0 -46.3 254 32 343.9 343.9 295.4 344.4 0.12 23 200 11230 -46.9 -57.9 27 11.0 -47.4 250 25 358.5 358.5 298.5 358.8 0.08 24 198 11296 -48.7 -60.7 24 12.0 -49.1 250 25 356.7 356.7 298.1 356.9 0.05 25 194 11430 -48.5 -61.5 21 13.0 -49.0 249 25 359.1 359.1 298.5 359.3 0.05 26 182 11852 -46.3 -60.3 19 14.0 -46.9 248 26 369.3 369.3 300.5 369.6 0.06 27 150 13130 -47.9 -63.9 14 16.0 -48.6 245 27 387.5 387.5 303.5 387.8 0.05 28 100 15810 -48.7 -68.7 8 20.0 -49.7 230 11 433.6 433.6 309.3 433.8 0.04 29 94 16217 -48.5 -69.5 7 21.0 -49.6 226 10 441.8 441.8 310.1 442.0 0.03 30 92 16358 -51.3 -71.3 7 20.0 -52.1 224 10 439.0 439.0 309.8 439.1 0.03 31 70 18140 -49.9 -71.9 6 22.0 -51.1 205 7 477.6 477.6 313.2 477.8 0.03 32 63 18829 -49.7 -71.7 6 22.0 -51.1 214 8 492.7 492.7 314.4 492.9 0.04 33 50 20330 -53.1 -74.1 6 21.0 -54.3 235 9 518.3 518.4 316.2 518.6 0.03 34 45 21008 -54.7 -75.7 6 21.0 -55.8 238 10 530.3 530.3 316.9 530.5 0.03 35 30 23600 -55.9 -76.9 6 21.0 -57.3 250 15 592.2 592.3 320.3 592.5 0.04 36 24 25017 -56.5 -77.5 5 21.0 -58.0 250 13 629.5 629.5 321.9 629.8 0.04 37 20 26180 -54.3 -75.3 6 21.0 -56.5 250 11 670.0 670.0 323.4 670.5 0.07 38 14 28497 -48.5 -70.5 6 22.0 -53.2 761.6 761.7 326.3 763.5 0.20 TRP 365 7271 -54.1 -57.6 65 3.5 -54.2 255 66 292.2 292.2 277.9 292.4 0.04 WND 407 6556 -47.1 -50.2 70 3.1 -47.2 255 71 292.3 292.3 278.0 292.6 0.09 Sounding variables and indices 1000-500 mb thick: 5162.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 76.77 % Est. max temperature: 2.16 C = 35.89 F Sfc-Lift cond lev (LCL): 957.46 mb = 341.53 m = 1120.51 ft T: -4.31 C 700-500 lapse rate: 6.94 C/km Conv cond level (CCL): 873.00 mb = 1062.88 m = 3487.11 ft Mean mixing ratio: 2.22 g/kg Conv temperature: 1.41 C = 34.54 F Cap Strength: 7.50 C Lifted Index: 8.74 C Risk: None Lifted Index @300 mb: 27.44 C Lifted Index @700 mb: 4.21 C Showalter Index: 7.74 C Risk: None Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 22.70 C K Index: 9.50 Risk: None Sweat Index: 155.35 Risk: None Energy Index: 2.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.29 J/kg Max Up Vert Vel: 4.07 m/s Conv Inhibition (B-): 57486.28 J/kg Cap Strength: 8.59 C Lift Cond Lev (LCL): 902.43 mb = 805.65 m = 2643.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 at 30 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 ---------------------------------------------------------- 0 999 6 180 13 0.0 13.0 | 117 33 -29.6 14.8 1 925 614 235 15 12.3 8.6 | 121 20 -17.3 10.4 2 850 1270 235 17 13.9 9.8 | 126 19 -15.6 11.5 3 700 2739 235 35 28.7 20.1 | 178 22 -0.9 21.9 4 500 5160 250 64 60.1 21.9 | 232 39 30.6 23.7 5 407 6556 255 71 68.6 18.4 | 243 44 39.0 20.2 6 400 6670 255 69 66.6 17.9 | 242 42 37.1 19.6 7 365 7271 255 66 63.8 17.1 | 241 39 34.2 18.9 8 300 8550 255 40 38.6 10.4 | 217 15 9.1 12.1 9 250 9750 255 35 33.8 9.1 | 201 12 4.3 10.8 10 200 11230 250 25 23.5 8.6 | 150 12 -6.1 10.3 11 150 13130 245 27 24.5 11.4 | 159 14 -5.1 13.2 12 100 15810 230 11 8.4 7.1 | 113 23 -21.1 8.9 13 70 18140 205 7 3.0 6.3 | 107 28 -26.6 8.1 14 50 20330 235 9 7.4 5.2 | 107 23 -22.2 6.9 15 30 23600 250 15 14.1 5.1 | 114 17 -15.5 6.9 16 20 26180 250 11 10.3 3.8 | 106 20 -19.2 5.5 Wind Parameters Mean winds (0-6000m): 243.5 at 39.5 knts Storm direction: 273.5 at 29.6 knts Shear (0-3000m) pos: 3.2 neg: 2.7 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 69.3 deg Storm rel helicity (0-3000m) pos: 139.9 neg: -2.4 tot: 137.5 m^2/s^2 ave: 45.8 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 119.77 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 ------------------------------------------------------------------------------- 500 204 14 121 28| 11.0 0.0 11.0| 23.8 -0.1 23.7 47.4 0.27| 11.3 3.1 1000 221 15 123 24| 7.1 0.0 7.1| 29.3 -2.4 26.9 26.9 0.25| 7.5 1.9 1500 227 16 124 22| 4.7 1.3 6.0| 47.3 -2.4 44.9 30.0 0.39| 6.3 2.5 2000 229 17 129 21| 3.5 2.5 6.1| 77.2 -2.4 74.8 37.4 0.54| 6.3 3.4 2500 231 20 135 20| 2.8 3.3 6.1|107.0 -2.4 104.6 41.9 0.62| 6.3 3.9 3000 232 22 142 19| 3.2 2.7 6.0|139.9 -2.4 137.5 45.8 0.67| 6.3 4.3 4000 236 28 159 19| 4.1 2.1 6.1|217.0 -2.4 214.6 53.6 0.73| 6.4 4.7 5000 240 34 179 19| 4.6 1.6 6.3|308.7 -2.4 306.3 61.3 0.74| 6.5 4.8 6000 243 39 197 20| 4.5 1.4 5.8|372.7 -2.4 370.4 61.7 0.75| 6.1 4.5 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250418.12.gif