UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 17 APR 25 Station: OI738 WMO ident: 40738 ------------------------------------------------------------------------------- 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 1025 -10 12.0 7.5 74 4.5 9.6 270 20 283.1 284.2 281.6 300.7 6.35 1 1013 88 12.0 7.7 75 4.3 9.7 268 20 284.1 285.2 282.3 302.2 6.51 2 1000 196 10.8 6.7 76 4.1 8.6 265 19 284.0 285.0 281.8 301.1 6.16 3 925 841 6.2 2.7 78 3.5 4.5 260 29 285.6 286.5 281.3 299.8 5.02 4 850 1528 1.2 -0.9 86 2.1 0.3 250 29 287.4 288.1 281.1 299.4 4.21 5 801 2005 -1.1 -2.8 88 1.7 -1.9 259 27 289.9 290.6 281.8 301.1 3.88 6 700 3070 -7.1 -9.0 86 1.9 -7.8 280 21 294.6 295.1 282.5 302.9 2.76 7 500 5620 -23.5 -34.5 36 11.0 -25.0 245 20 304.4 304.5 283.7 305.8 0.41 8 494 5708 -23.7 -34.7 36 11.0 -25.2 244 22 305.2 305.3 284.0 306.6 0.41 9 431 6692 -29.3 -33.2 69 3.9 -29.8 238 40 310.2 310.3 286.1 312.1 0.54 10 419 6893 -30.9 -37.9 50 7.0 -31.7 237 44 310.7 310.7 286.0 311.9 0.35 11 403 7168 -32.9 -36.9 67 4.0 -33.3 235 49 311.6 311.6 286.4 313.0 0.40 12 400 7220 -33.9 -38.0 66 4.1 -34.3 235 50 310.9 311.0 286.1 312.2 0.36 13 322 8718 -40.5 -52.5 26 12.0 -41.1 235 61 321.7 321.7 289.4 322.1 0.09 14 306 9065 -39.9 -52.9 24 13.0 -40.6 235 63 327.3 327.3 291.0 327.6 0.09 15 300 9200 -41.5 -54.5 23 13.0 -42.1 235 64 326.9 326.9 290.9 327.2 0.08 16 263 10084 -45.9 -57.9 25 12.0 -46.3 230 65 333.0 333.0 292.6 333.2 0.06 17 262 10109 -46.5 -58.5 24 12.0 -46.9 230 65 332.4 332.5 292.4 332.7 0.05 18 250 10420 -46.3 -60.3 19 14.0 -46.8 225 68 337.2 337.2 293.7 337.4 0.05 19 245 10554 -46.5 -60.3 19 13.8 -47.0 230 73 338.9 338.9 294.1 339.1 0.05 20 230 10974 -47.1 -60.1 21 13.0 -47.6 230 68 344.2 344.2 295.4 344.4 0.05 21 222 11209 -46.3 -60.3 19 14.0 -46.9 230 65 348.9 348.9 296.4 349.1 0.05 22 200 11900 -48.9 -66.9 11 18.0 -49.4 230 57 355.3 355.3 297.8 355.4 0.02 23 186 12376 -49.9 -69.9 8 20.0 -50.4 236 55 361.2 361.2 299.0 361.2 0.02 24 175 12776 -49.3 -70.3 7 21.0 -49.8 242 54 368.5 368.5 300.3 368.6 0.02 25 150 13780 -52.5 -76.5 4 24.0 -52.9 255 51 379.6 379.6 302.2 379.6 0.01 26 134 14506 -54.7 -80.7 3 26.0 -55.1 258 45 388.2 388.2 303.5 388.2 0.00 27 127 14851 -53.9 -80.9 2 27.0 -54.4 259 42 395.6 395.6 304.6 395.6 0.00 28 121 15161 -55.1 -82.1 2 27.0 -55.5 260 39 398.9 398.9 305.0 398.9 0.00 29 120 15214 -54.9 -81.9 2 27.0 -55.4 261 38 400.2 400.2 305.2 400.2 0.00 30 119 15268 -54.5 -81.5 2 27.0 -55.0 261 38 401.9 401.9 305.5 401.9 0.00 31 109 15826 -57.7 -83.7 2 26.0 -58.0 263 33 406.1 406.1 306.0 406.1 0.00 32 107 15943 -56.9 -82.9 2 26.0 -57.3 263 32 409.8 409.8 306.5 409.8 0.00 33 104 16123 -58.1 -84.1 2 26.0 -58.5 264 30 410.8 410.8 306.6 410.9 0.00 34 100 16370 -58.7 -84.7 2 26.0 -59.0 265 28 414.3 414.3 307.0 414.3 0.00 35 88 17172 -59.1 261 26 428.9 36 70 18580 -66.9 -89.9 3 23.0 -67.1 255 22 441.3 441.3 310.0 441.3 0.00 37 50 20640 -61.7 -85.7 3 24.0 -62.1 360 6 498.1 498.1 314.8 498.1 0.01 38 30 23870 -57.1 50 13 589.0 TRP 262 10109 -46.5 -58.5 24 12.0 -46.9 230 65 332.4 332.5 292.4 332.7 0.05 WND 245 10554 -46.5 -60.3 19 13.8 -47.0 230 73 338.9 338.9 294.1 339.1 0.05 Sounding variables and indices 1000-500 mb thick: 5424.00 m Freezing level: 824.43 mb = 1776.70 m = 5828.99 ft Wetbulb zero: 844.10 mb = 1583.96 m = 5196.64 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 72.78 % Est. max temperature: 15.69 C = 60.25 F Sfc-Lift cond lev (LCL): 957.61 mb = 554.34 m = 1818.69 ft T: 8.24 C 700-500 lapse rate: 6.43 C/km ThetaE index: 2.73 C Layer 1000.0- 801.0 mb Conv cond level (CCL): 893.95 mb = 1118.45 m = 3669.41 ft Mean mixing ratio: 5.78 g/kg Conv temperature: 15.24 C = 59.44 F Cap Strength: 1.90 C Lifted Index: 4.96 C Risk: None Lifted Index @300 mb: 18.66 C Lifted Index @700 mb: 1.90 C Showalter Index: 5.84 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 22.60 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 78.00 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.22 J/kg Max Up Vert Vel: 3.23 m/s Conv Inhibition (B-): 34355.10 J/kg Cap Strength: 4.76 C Lift Cond Lev (LCL): 918.29 mb = 900.17 m = 2953.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 17 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 1025 -10 270 20 20.0 -0.0 | 212 7 3.8 6.1 1 1000 196 265 19 18.9 1.7 | 199 8 2.7 7.7 2 925 841 260 29 28.6 5.0 | 228 17 12.3 11.1 3 850 1528 250 29 27.3 9.9 | 215 19 11.0 16.0 4 700 3070 280 21 20.7 -3.6 | 242 5 4.5 2.4 5 500 5620 245 20 18.1 8.5 | 187 15 1.9 14.5 6 400 7220 235 50 41.0 28.7 | 215 43 24.7 34.7 7 300 9200 235 64 52.4 36.7 | 220 56 36.2 42.8 8 262 10109 230 65 49.8 41.8 | 215 58 33.6 47.8 9 250 10420 225 68 48.1 48.1 | 210 63 31.9 54.1 10 245 10554 230 73 55.9 46.9 | 217 66 39.7 53.0 11 200 11900 230 57 43.7 36.6 | 213 51 27.4 42.7 12 150 13780 255 51 49.3 13.2 | 240 38 33.0 19.3 13 100 16370 265 28 27.9 2.4 | 234 14 11.7 8.5 14 70 18580 255 22 21.3 5.7 | 203 13 5.0 11.8 15 50 20640 360 6 -0.0 -6.0 | 90 16 -16.2 0.1 16 30 23870 50 13 -10.0 -8.4 | 85 26 -26.2 -2.3 Wind Parameters Mean winds (0-6000m): 260.5 at 23.1 knts Storm direction: 290.5 at 17.3 knts Shear (0-3000m) pos: 2.4 neg: 2.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 27.6 deg Storm rel helicity (0-3000m) pos: 32.4 neg: -20.9 tot: 11.5 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.05 Bulk Shear: 1.29 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 ------------------------------------------------------------------------------- 500 265 21 209 9| 0.0 4.6 4.6| 7.9 -3.3 4.6 9.3 0.23| 6.7 1.5 1000 262 24 219 12| 0.0 5.3 5.3| 15.3 -6.3 9.0 9.0 0.22| 6.7 1.5 1500 259 26 219 14| 0.0 4.2 4.2| 15.3 -20.9 -5.7 -3.8 -0.01| 5.7 -0.1 2000 258 26 219 15| 1.2 3.1 4.3| 23.6 -20.9 2.7 1.4 0.08| 5.5 0.4 2500 259 26 220 14| 2.0 2.5 4.5| 29.5 -20.9 8.6 3.4 0.13| 5.4 0.7 3000 260 25 221 14| 2.4 2.1 4.5| 32.4 -20.9 11.5 3.8 0.15| 5.3 0.8 4000 263 24 222 12| 1.8 2.0 3.8| 32.5 -26.5 6.1 1.5 0.05| 4.7 0.2 5000 263 23 218 11| 1.5 2.0 3.5| 32.5 -34.5 -1.9 -0.4 -0.03| 4.2 -0.1 6000 260 23 214 12| 1.2 2.3 3.5| 52.3 -40.6 11.8 2.0 0.03| 4.4 0.1 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20250417.12.gif