UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for RP618... Searching the city database file for: RP618 ... Date:1200Z 9 OCT 25 Station: RP618 WMO ident: 98618 Latitude: 9.75 Longitude: 118.73 ------------------------------------------------------------------------------- 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 1007 26 26.6 22.7 79 3.9 23.8 270 3 299.2 302.3 296.7 350.2 17.50 1 975 309 25.4 21.5 79 3.9 22.6 250 5 300.7 303.8 296.6 350.0 16.78 2 910 908 21.8 19.8 88 2.0 20.4 230 13 303.0 306.0 296.8 351.0 16.18 3 850 1495 19.0 15.7 81 3.3 16.7 260 19 306.0 308.5 295.7 346.0 13.32 4 792 2101 16.4 12.9 80 3.5 14.1 255 18 309.5 311.8 295.7 345.7 11.89 5 729 2804 13.2 8.9 75 4.3 10.4 235 13 313.4 315.3 295.3 344.0 9.87 6 700 3144 10.2 8.1 87 2.1 8.9 225 11 313.8 315.6 295.3 344.0 9.74 7 663 3594 7.2 5.9 91 1.3 6.4 216 9 315.3 317.0 295.0 342.9 8.83 8 616 4197 4.4 3.1 91 1.3 3.7 195 12 318.8 320.3 295.2 343.6 7.79 9 500 5870 -4.9 -4.9 100 0.0 -4.9 260 11 327.1 328.1 295.4 344.7 5.32 10 477 6240 -6.3 -6.8 96 0.5 -6.5 284 10 329.8 330.7 295.7 346.0 4.82 11 400 7600 -14.5 -14.8 98 0.3 -14.6 15 7 336.1 336.8 295.9 346.8 3.03 12 335 8915 -23.9 -23.9 100 0.0 -23.9 131 4 340.8 341.1 295.9 346.8 1.66 13 300 9710 -28.7 -33.0 66 4.3 -29.5 100 15 344.9 345.1 296.2 348.0 0.79 14 257 10800 -38.3 -41.7 70 3.4 -38.7 113 15 346.4 346.5 296.2 347.9 0.38 15 250 10990 -39.9 -43.5 68 3.6 -40.2 115 17 346.7 346.8 296.2 348.1 0.33 16 239 11295 -42.9 -45.0 80 2.1 -43.0 120 18 346.7 346.8 296.1 347.9 0.29 17 226 11669 -45.3 -56.3 28 11.0 -45.8 122 20 348.6 348.7 296.4 349.0 0.08 18 200 12470 -52.5 -60.5 37 8.0 -52.7 90 36 349.6 349.6 296.6 349.9 0.06 19 187 12900 -56.5 -59.4 70 2.9 -56.6 90 38 350.0 350.0 296.7 350.2 0.07 20 150 14260 -68.3 -71.6 62 3.3 -68.3 90 44 352.4 352.4 297.2 352.5 0.02 21 135 14882 -73.9 -77.2 60 3.3 -73.9 93 46 353.3 353.3 297.3 353.3 0.01 22 118 15655 -79.7 -83.4 54 3.7 -79.7 91 57 356.5 356.5 298.0 356.5 0.00 23 111 15999 -81.9 -85.5 54 3.6 -81.9 90 62 358.6 358.6 298.4 358.6 0.00 24 109 16101 -79.5 -82.8 58 3.3 -79.5 95 66 365.0 365.0 299.7 365.0 0.00 25 104 16371 -73.3 -75.7 70 2.4 -73.3 95 66 381.8 381.8 302.5 381.9 0.01 26 100 16600 -74.3 -77.6 60 3.3 -74.3 105 42 384.2 384.2 302.9 384.2 0.01 27 83 17682 -76.5 -81.3 46 4.8 -76.5 105 39 400.7 400.7 305.3 400.7 0.01 28 70 18670 -74.7 -81.7 33 7.0 -74.7 75 17 424.6 424.6 308.2 424.6 0.01 29 66 19014 -74.1 -82.1 28 8.0 -74.2 75 24 433.1 433.1 309.1 433.1 0.01 30 58 19780 -68.5 -82.5 12 14.0 -68.7 79 22 462.0 462.0 312.0 462.1 0.01 31 50 20670 -69.5 -94.5 1 25.0 -69.6 85 15 479.7 479.7 313.4 479.7 0.00 32 42 21708 -69.3 -96.3 1 27.0 -69.5 98 23 504.7 504.7 315.3 504.7 0.00 33 30 23760 -59.9 -89.9 1 30.0 -60.8 95 52 581.3 581.3 319.8 581.4 0.00 34 21 26033 -51.3 -83.3 1 32.0 -54.3 81 63 669.7 669.7 323.4 669.9 0.02 35 20 26350 -51.3 -83.3 1 32.0 -54.4 80 64 679.1 679.2 323.7 679.3 0.02 36 15 28239 -46.7 -80.7 1 34.0 -52.1 84 68 752.7 752.7 326.0 753.0 0.04 TRP 111 15999 -81.9 -85.5 54 3.6 -81.9 90 62 358.6 358.6 298.4 358.6 0.00 WND 109 16101 -79.5 -82.8 58 3.3 -79.5 95 66 365.0 365.0 299.7 365.0 0.00 Sounding variables and indices 1000-500 mb thick: 5783.15 m Freezing level: 561.12 mb = 4988.50 m = 16366.26 ft Wetbulb zero: 566.47 mb = 4869.09 m = 15974.50 ft Precipitable water: 2.51 inches Sfc-500 mean rel hum: 87.15 % Est. max temperature: 33.15 C = 91.66 F Sfc-Lift cond lev (LCL): 951.75 mb = 518.52 m = 1701.17 ft T: 24.14 C 700-500 lapse rate: 5.54 C/km ThetaE index: 8.06 C Layer 850.0- 616.0 mb Conv cond level (CCL): 856.80 mb = 1426.51 m = 4680.10 ft Mean mixing ratio: 16.67 g/kg Conv temperature: 33.15 C = 91.68 F Cap Strength: 1.57 C Lifted Index: -2.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.59 C Lifted Index @700 mb: -0.54 C Showalter Index: -0.47 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.60 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 237.40 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 491.03 J/kg Max Up Vert Vel: 31.34 m/s Conv Inhibition (B-): 87.87 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 912.51 mb = 884.49 m = 2901.85 ft Lev Free Conv (LFC): 707.51 mb = 3054.46 m = 10021.08 ft Equ Level (EL): 187.51 mb = 12882.53 m = 42265.02 ft B at Equ Level: 490.53 J/kg Max Parcel Lev (MPL): 107.51 mb = 16180.18 m = 53083.94 ft Wind level data Storm motion: 267 at 9 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 1007 26 270 3 3.0 -0.0 | 85 6 -6.2 -0.5 1 975 305 250 5 4.7 1.7 | 105 5 -4.5 1.2 2 909 914 230 13 10.0 8.4 | 185 8 0.7 7.8 3 850 1495 260 19 18.7 3.3 | 254 10 9.5 2.8 4 817 1829 255 21 20.3 5.4 | 246 12 11.1 4.9 5 788 2134 255 17 16.4 4.4 | 242 8 7.2 3.9 6 700 3144 225 11 7.8 7.8 | 169 7 -1.4 7.3 7 657 3658 215 9 5.2 7.4 | 149 8 -4.1 6.8 8 633 3962 195 13 3.4 12.6 | 154 13 -5.8 12.0 9 609 4267 195 11 2.8 10.6 | 148 12 -6.4 10.1 10 500 5870 260 11 10.8 1.9 | 229 2 1.6 1.4 11 400 7600 15 7 -1.8 -6.8 | 57 13 -11.0 -7.3 12 383 7925 10 9 -1.6 -8.9 | 49 14 -10.8 -9.4 13 338 8839 135 3 -2.1 2.1 | 98 11 -11.3 1.6 14 311 9449 95 17 -16.9 1.5 | 92 26 -26.1 1.0 15 300 9710 100 15 -14.8 2.6 | 95 24 -24.0 2.1 16 251 10973 115 15 -13.6 6.3 | 104 24 -22.8 5.8 17 250 10990 115 17 -15.4 7.2 | 105 26 -24.6 6.7 18 229 11582 125 19 -15.6 10.9 | 113 27 -24.8 10.4 19 200 12470 90 36 -36.0 0.0 | 89 45 -45.2 -0.5 20 199 12497 90 36 -36.0 0.0 | 89 45 -45.2 -0.5 21 150 14260 90 44 -44.0 0.0 | 89 53 -53.2 -0.5 22 148 14326 95 38 -37.9 3.3 | 93 47 -47.1 2.8 23 111 15999 90 62 -62.0 0.0 | 90 71 -71.2 -0.5 24 109 16101 95 66 -65.7 5.8 | 94 75 -75.0 5.2 25 102 16459 95 66 -65.7 5.8 | 94 75 -75.0 5.2 26 100 16600 105 42 -40.6 10.9 | 102 51 -49.8 10.3 27 97 16764 105 42 -40.6 10.9 | 102 51 -49.8 10.3 28 79 17983 105 38 -36.7 9.8 | 101 47 -45.9 9.3 29 71 18593 140 9 -5.8 6.9 | 113 16 -15.0 6.4 30 70 18670 75 17 -16.4 -4.4 | 79 26 -25.6 -4.9 31 64 19202 75 27 -26.1 -7.0 | 78 36 -35.3 -7.5 32 50 20670 85 15 -14.9 -1.3 | 86 24 -24.2 -1.8 33 50 20726 100 9 -8.9 1.6 | 93 18 -18.1 1.0 34 30 23760 95 52 -51.8 4.5 | 94 61 -61.0 4.0 35 30 23774 90 52 -52.0 0.0 | 90 61 -61.2 -0.5 36 20 26350 80 64 -63.0 -11.1 | 81 73 -72.2 -11.6 37 10 28651 90 73 -73.0 0.0 | 90 82 -82.2 -0.5 Wind Parameters Mean winds (0-6000m): 236.8 at 12.3 knts Storm direction: 266.8 at 9.2 knts Shear (0-3000m) pos: 1.4 neg: 2.1 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 91.3 deg Storm rel helicity (0-3000m) pos: 31.9 neg: -22.1 tot: 9.8 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.3 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 66.14 Bulk Shear: 7.42 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 ------------------------------------------------------------------------------- 500 251 5 104 5| 0.0 5.6 5.6| 5.4 0.0 5.4 10.7 0.84| 5.6 4.7 1000 238 8 148 4| 0.0 6.1 6.1| 13.6 0.0 13.6 13.6 0.77| 6.6 5.1 1500 245 11 190 4| 2.9 4.0 6.9| 31.9 0.0 31.9 21.3 0.84| 7.3 6.2 2000 249 13 217 5| 2.2 3.1 5.3| 31.9 -5.2 26.7 13.4 0.62| 6.7 4.2 2500 250 14 221 6| 1.7 2.4 4.1| 31.9 -13.6 18.3 7.3 0.38| 6.5 2.5 3000 248 14 217 6| 1.4 2.1 3.6| 31.9 -22.1 9.8 3.3 0.21| 6.2 1.3 4000 241 13 200 6| 1.1 2.3 3.4| 33.5 -30.1 3.3 0.8 0.10| 5.8 0.6 5000 235 13 189 7| 1.5 1.9 3.4| 42.1 -33.2 9.0 1.8 0.13| 5.4 0.7 6000 237 12 190 6| 1.9 1.5 3.4| 47.6 -33.2 14.4 2.4 0.21| 5.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//RP618/skewt/RP618.skewt.20251009.12.gif