UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 15 OCT 25 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- 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 110 SFC 987 227 28.6 21.6 66 7.0 23.5 180 4 302.9 306.0 297.1 352.3 16.68 2 983 263 29.6 21.6 62 8.0 23.8 182 7 304.2 307.3 297.5 354.1 16.75 3 976 327 29.8 21.8 62 8.0 23.9 184 11 305.1 308.2 298.0 356.1 17.09 4 969 392 30.0 22.0 62 8.0 24.1 181 12 305.9 309.1 298.4 358.2 17.43 5 955 522 29.2 21.2 62 8.0 23.3 174 12 306.4 309.5 298.1 356.9 16.82 6 940 663 28.2 20.2 62 8.0 22.4 163 12 306.7 309.7 297.7 355.0 16.05 7 927 788 28.8 16.8 48 12.0 20.4 147 10 308.6 311.0 296.3 348.2 13.09 8 925 807 28.8 16.8 48 12.0 20.4 145 10 308.8 311.2 296.3 348.6 13.12 9 865 1401 25.4 3.4 24 22.0 12.6 110 13 311.2 312.3 291.4 328.8 5.65 10 850 1554 23.8 7.8 36 16.0 13.8 110 13 311.1 312.6 293.1 335.3 7.83 11 700 3206 9.0 2.0 61 7.0 5.1 30 19 312.5 313.7 292.3 332.2 6.33 12 651 3800 3.8 0.1 77 3.7 1.8 48 20 313.1 314.3 292.2 331.7 5.93 13 620 4194 1.6 -14.4 29 16.0 -4.6 74 17 315.0 315.4 289.3 321.7 2.02 14 606 4377 0.0 -8.0 55 8.0 -3.6 78 15 315.2 315.9 290.7 326.4 3.45 15 600 4457 -0.5 -10.5 47 10.0 -4.7 77 13 315.5 316.1 290.2 324.9 2.86 16 586 4645 -1.9 -4.6 82 2.7 -3.2 74 11 316.0 316.9 292.0 330.9 4.64 17 582 4699 -2.3 -5.6 78 3.3 -3.8 73 10 316.2 317.0 291.7 330.1 4.33 18 553 5105 -1.9 -13.9 39 12.0 -6.6 72 7 321.3 321.8 291.5 329.2 2.36 19 500 5900 -5.3 -21.3 27 16.0 -10.5 80 9 326.6 326.9 292.1 331.5 1.40 20 495 5979 -5.7 -23.7 23 18.0 -11.2 78 10 327.0 327.3 292.0 331.1 1.14 21 489 6075 -5.5 -28.5 14 23.0 -11.8 76 12 328.4 328.6 292.0 331.1 0.75 22 410 7434 -15.9 -23.9 50 8.0 -18.1 326 6 332.0 332.2 293.5 336.8 1.35 23 400 7620 -16.9 -28.9 35 12.0 -19.8 310 5 333.0 333.2 293.4 336.2 0.88 24 356 8482 -22.1 -51.1 5 29.0 -25.4 78 8 337.3 337.3 293.7 337.7 0.10 25 300 9710 -31.9 -49.9 15 18.0 -33.5 350 8 340.4 340.4 294.6 341.0 0.13 26 299 9734 -31.9 -49.9 15 18.0 -33.5 349 8 340.7 340.8 294.6 341.3 0.13 27 276 10298 -36.1 -58.1 9 22.0 -37.4 335 10 342.6 342.6 295.0 342.8 0.05 28 258 10765 -40.3 -48.3 42 8.0 -40.9 316 12 343.0 343.1 295.2 343.8 0.19 29 250 10980 -42.1 -48.1 52 6.0 -42.5 295 12 343.5 343.5 295.3 344.3 0.20 30 238 11311 -44.9 -48.1 70 3.2 -45.1 280 13 344.1 344.2 295.5 345.0 0.21 31 205 12291 -52.5 -63.5 25 11.0 -52.8 233 16 347.2 347.2 296.0 347.3 0.04 32 200 12450 -53.7 -63.7 28 10.0 -53.9 225 16 347.7 347.7 296.1 347.9 0.04 33 175 13463 -61.3 -69.3 34 8.0 -61.4 208 39 348.8 348.8 296.4 348.8 0.02 34 150 14571 -69.3 -77.3 30 8.0 -69.4 188 66 350.7 350.7 296.8 350.7 0.01 35 104 17038 -75.3 -83.3 28 8.0 -75.3 141 129 378.0 378.0 301.9 378.0 0.00 36 86 18268 -72.9 -82.9 21 10.0 -72.9 116 162 403.9 403.9 305.7 404.0 0.00 37 76 19064 -71.3 -82.3 18 11.0 -71.3 101 184 421.8 421.8 307.9 421.8 0.01 38 70 19590 -72.3 -85.3 12 13.0 -72.4 90 198 429.7 429.7 308.8 429.7 0.00 39 54 21149 -63.1 -81.1 7 18.0 -63.4 229 213 484.0 484.0 313.8 484.1 0.01 40 50 21620 -64.5 -83.5 6 19.0 -64.8 270 217 491.5 491.5 314.3 491.5 0.01 41 44 22407 -63.1 -84.1 4 21.0 -63.6 225 177 513.2 513.2 315.9 513.3 0.01 42 41 22842 -63.9 -85.9 3 22.0 -64.3 200 154 521.7 521.7 316.4 521.7 0.01 43 30 24790 -57.7 -85.7 2 28.0 -58.9 90 56 587.3 587.3 320.0 587.4 0.01 44 25 25950 -54.1 -85.1 1 31.0 -56.1 90 58 629.1 629.1 321.9 629.2 0.01 45 21 27073 -52.1 -83.1 1 31.0 -54.9 90 60 667.3 667.3 323.3 667.5 0.02 46 20 27390 -50.5 -82.5 1 32.0 -53.8 90 60 681.6 681.6 323.9 681.8 0.02 47 17 28459 -46.7 -79.7 1 33.0 -51.7 726.2 726.2 325.3 726.6 0.04 48 16 28862 -45.7 -78.7 1 33.0 -51.3 742.2 742.2 325.7 742.6 0.05 49 16 28862 -46.1 -79.1 1 33.0 -51.5 740.9 740.9 325.7 741.3 0.05 50 13 30251 -43.3 -77.3 1 34.0 -50.7 795.9 795.9 327.1 796.6 0.08 51 12 30791 -42.7 -76.7 1 34.0 -50.7 816.5 816.5 327.7 817.4 0.09 52 11 31377 -43.7 -76.7 1 33.0 -51.5 833.4 833.4 328.1 834.4 0.10 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 606.00 mb = 4377.27 m = 14360.94 ft Wetbulb zero: 642.09 mb = 3911.33 m = 12832.30 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 49.70 % Est. max temperature: 36.90 C = 98.43 F Sfc-Lift cond lev (LCL): 891.86 mb = 1129.85 m = 3706.81 ft T: 26.95 C 700-500 lapse rate: 5.31 C/km ThetaE index: 19.76 C Layer 865.0- 850.0 mb Conv cond level (CCL): 753.03 mb = 2584.69 m = 8479.85 ft Mean mixing ratio: 13.98 g/kg Conv temperature: 37.71 C = 99.89 F Cap Strength: 3.80 C Lifted Index: -2.27 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.38 C Lifted Index @700 mb: -1.51 C Showalter Index: 3.53 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 29.10 C Cross Totals Index: 13.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 128.60 Risk: None Energy Index: -0.70 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1146.85 J/kg Max Up Vert Vel: 47.89 m/s Conv Inhibition (B-): 175.42 J/kg Cap Strength: 3.80 C Lift Cond Lev (LCL): 801.94 mb = 2049.20 m = 6723.02 ft Lev Free Conv (LFC): 726.94 mb = 2884.66 m = 9463.99 ft Equ Level (EL): 156.94 mb = 14246.10 m = 46738.61 ft B at Equ Level: 1139.75 J/kg Max Parcel Lev (MPL): 96.94 mb = 17493.15 m = 57391.51 ft Wind level data Storm motion: 99 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 ---------------------------------------------------------- 0 987 227 180 4 0.0 4.0 | 256 10 10.0 2.4 1 978 305 185 11 1.0 11.0 | 229 14 10.9 9.4 2 946 610 170 13 -2.3 12.8 | 215 14 7.7 11.2 3 925 807 145 10 -5.7 8.2 | 213 8 4.2 6.6 4 914 914 120 11 -9.5 5.5 | 187 4 0.5 3.9 5 883 1219 110 13 -12.2 4.4 | 142 4 -2.2 2.9 6 850 1554 110 13 -12.2 4.4 | 142 4 -2.2 2.9 7 823 1829 85 13 -13.0 -1.1 | 48 4 -3.0 -2.7 8 794 2134 60 16 -13.9 -8.0 | 22 10 -3.9 -9.6 9 766 2438 55 13 -10.6 -7.5 | 4 9 -0.7 -9.0 10 739 2743 30 19 -9.5 -16.5 | 358 18 0.5 -18.0 11 700 3206 30 19 -9.5 -16.5 | 358 18 0.5 -18.0 12 662 3658 40 21 -13.5 -16.1 | 11 18 -3.5 -17.7 13 613 4267 80 16 -15.8 -2.8 | 53 7 -5.8 -4.4 14 568 4877 70 7 -6.6 -2.4 | 319 5 3.4 -4.0 15 500 5900 80 9 -8.9 -1.6 | 340 3 1.1 -3.1 16 487 6096 75 12 -11.6 -3.1 | 19 5 -1.6 -4.7 17 400 7620 310 5 3.8 -3.2 | 289 15 13.8 -4.8 18 400 7620 175 1 -0.1 1.0 | 273 10 9.9 -0.6 19 324 9144 360 13 -0.0 -13.0 | 326 18 10.0 -14.6 20 300 9710 350 8 1.4 -7.9 | 310 15 11.4 -9.5 21 261 10668 325 12 6.9 -9.8 | 304 20 16.9 -11.4 22 250 10980 295 12 10.9 -5.1 | 288 22 20.9 -6.6 23 200 12450 225 16 11.3 11.3 | 245 23 21.3 9.7 24 70 19590 90 198 -198.0 0.0 | 90 188 -188.0 -1.6 25 50 21620 270 217 217.0 -0.0 | 270 227 227.0 -1.6 26 30 24790 90 56 -56.0 0.0 | 88 46 -46.0 -1.6 27 20 27390 90 60 -60.0 0.0 | 88 50 -50.0 -1.6 Wind Parameters Mean winds (0-6000m): 69.0 at 13.5 knts Storm direction: 99.0 at 10.1 knts Shear (0-3000m) pos: 0.0 neg: 3.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -63.4 tot: -62.6 m^2/s^2 ave: -20.9 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 8.4 stream: -4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 22.26 Bulk Shear: 51.53 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 ------------------------------------------------------------------------------- 500 174 11 222 13| 0.0 8.0 8.0| 0.0 -32.7 -32.7 -65.5 -0.71| 14.5-10.3 1000 149 11 206 9| 0.0 6.3 6.3| 0.0 -39.2 -39.2 -39.2 -0.65| 12.3 -8.0 1500 132 12 190 7| 0.0 4.6 4.6| 0.0 -41.9 -41.9 -28.0 -0.69| 9.4 -6.5 2000 114 13 157 4| 0.0 4.5 4.5| 0.0 -51.7 -51.7 -25.9 -0.66| 9.6 -6.4 2500 97 13 91 3| 0.0 4.6 4.6| 0.0 -62.5 -62.5 -25.0 -0.59| 9.9 -5.8 3000 79 14 42 6| 0.0 3.9 3.9| 0.9 -63.4 -62.6 -20.9 -0.58| 8.4 -4.9 4000 66 15 28 9| 1.8 2.9 4.8| 47.3 -63.4 -16.1 -4.0 -0.25| 8.5 -2.1 5000 68 14 25 8| 1.5 2.0 3.5| 47.9 -73.7 -25.9 -5.2 -0.31| 7.8 -2.4 6000 69 13 22 7| 1.3 2.0 3.3| 51.2 -75.6 -24.4 -4.1 -0.26| 7.1 -1.8 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251015.00.gif