UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 9 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 114 SFC 987 227 29.6 23.6 70 6.0 25.2 170 6 303.9 307.4 298.7 360.2 18.90 2 925 811 26.6 20.6 70 6.0 22.2 190 12 306.5 309.6 298.1 356.8 16.74 3 875 1300 24.6 12.6 47 12.0 16.7 150 5 309.3 311.3 294.7 341.4 10.53 4 850 1554 23.4 9.4 41 14.0 14.5 100 8 310.7 312.3 293.7 337.5 8.74 5 700 3211 11.2 -2.8 37 14.0 4.0 90 33 314.9 315.7 291.5 329.1 4.45 6 500 5920 -6.3 -18.3 38 12.0 -10.5 55 15 325.4 325.7 292.2 331.6 1.81 7 400 7630 -16.3 -39.3 12 23.0 -20.4 90 16 333.8 333.9 293.0 335.0 0.32 8 300 9730 -30.9 -55.9 7 25.0 -32.9 305 10 341.8 341.8 294.8 342.1 0.07 9 250 10990 -41.5 -59.5 13 18.0 -42.3 300 8 344.4 344.4 295.4 344.6 0.05 10 200 12470 -53.3 -68.3 14 15.0 -53.6 85 7 348.4 348.4 296.3 348.4 0.02 11 150 14260 -66.9 -76.9 23 10.0 -67.0 160 10 354.8 354.8 297.7 354.9 0.01 12 100 16630 -79.1 -86.1 31 7.0 -79.1 200 18 374.9 374.9 301.4 374.9 0.00 13 99 16687 -79.1 -86.1 31 7.0 -79.1 196 18 376.0 376.0 301.6 376.0 0.00 14 98 16745 -79.3 -86.3 31 7.0 -79.3 192 18 376.7 376.7 301.7 376.7 0.00 15 87 17424 -76.7 -86.7 19 10.0 -76.7 147 17 395.0 395.0 304.5 395.0 0.00 16 86 17490 -76.7 -86.7 19 10.0 -76.7 143 16 396.3 396.3 304.7 396.3 0.00 17 76 18196 -78.9 -89.9 15 11.0 -78.9 96 15 405.9 405.9 306.0 405.9 0.00 18 70 18670 -73.7 -87.7 10 14.0 -73.7 310 4 426.7 426.7 308.5 426.7 0.00 19 52 20442 -66.7 -85.7 5 19.0 -67.0 65 18 480.9 480.9 313.5 480.9 0.00 20 50 20680 -66.7 -86.7 4 20.0 -67.0 80 20 486.3 486.3 314.0 486.3 0.00 21 35 22869 -60.3 -87.3 2 27.0 -61.1 84 37 555.2 555.2 318.4 555.3 0.01 22 33 23235 -61.3 -89.3 1 28.0 -62.0 86 40 562.0 562.0 318.8 562.0 0.00 23 31 23625 -59.5 -88.5 1 29.0 -60.4 89 43 577.0 577.0 319.5 577.0 0.00 24 30 23830 -59.1 -88.1 1 29.0 -60.1 90 45 583.5 583.5 319.8 583.6 0.01 25 29 24042 -59.1 -88.1 1 29.0 -60.2 88 47 589.2 589.2 320.1 589.2 0.01 26 28 24262 -59.3 -88.3 1 29.0 -60.3 86 49 594.6 594.6 320.3 594.6 0.01 27 28 24262 -59.3 -88.3 1 29.0 -60.3 86 49 594.6 594.6 320.3 594.6 0.01 28 21 26093 -52.1 -84.1 1 32.0 -54.9 85 70 667.3 667.3 323.3 667.4 0.02 29 20 26410 -49.9 -81.9 1 32.0 -53.4 85 74 683.4 683.4 323.9 683.6 0.02 30 13 29246 -48.3 -80.3 1 32.0 -53.6 87 65 778.6 778.6 326.7 779.0 0.05 31 11 30354 -46.1 -79.1 1 33.0 -52.9 86 57 824.7 824.7 327.8 825.4 0.07 32 10 30990 -45.3 -78.3 1 33.0 -52.8 85 53 850.5 850.5 328.4 851.3 0.09 33 8.9 31774 -41.7 -75.7 1 34.0 -51.5 893.2 893.2 329.3 894.8 0.15 34 8.4 32167 -40.7 -74.7 1 34.0 -51.2 912.0 912.1 329.7 914.0 0.18 35 8.3 32248 -41.1 913.5 TRP 875 1300 24.6 12.6 47 12.0 16.7 150 5 309.3 311.3 294.7 341.4 10.53 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 572.00 mb = 4944.76 m = 16222.77 ft Wetbulb zero: 644.96 mb = 3870.33 m = 12697.79 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 43.16 % Est. max temperature: 36.70 C = 98.06 F Sfc-Lift cond lev (LCL): 905.20 mb = 1001.47 m = 3285.63 ft T: 25.82 C 700-500 lapse rate: 6.46 C/km ThetaE index: 31.13 C Layer 925.0- 500.0 mb Conv cond level (CCL): 773.24 mb = 2361.73 m = 7748.35 ft Mean mixing ratio: 16.43 g/kg Conv temperature: 38.47 C = 101.24 F Cap Strength: 4.35 C Lifted Index: -5.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.43 C Lifted Index @700 mb: -0.83 C Showalter Index: 1.53 C Risk: Showers probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 15.70 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 143.80 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1910.52 J/kg Max Up Vert Vel: 61.81 m/s Conv Inhibition (B-): 159.33 J/kg Cap Strength: 4.35 C Lift Cond Lev (LCL): 848.95 mb = 1564.52 m = 5132.88 ft Lev Free Conv (LFC): 713.95 mb = 3042.56 m = 9982.03 ft Equ Level (EL): 143.95 mb = 14500.53 m = 47573.32 ft B at Equ Level: 1894.06 J/kg Max Parcel Lev (MPL): 73.95 mb = 18353.72 m = 60214.88 ft Wind level data Storm motion: 117 at 16 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 ---------------------------------------------------------- 0 987 227 170 6 -1.0 5.9 | 276 13 13.2 -1.3 1 979 305 180 9 0.0 9.0 | 263 14 14.3 1.8 2 946 610 195 15 3.9 14.5 | 248 20 18.2 7.3 3 925 811 190 12 2.1 11.8 | 254 17 16.4 4.6 4 914 914 195 9 2.3 8.7 | 265 17 16.6 1.5 5 883 1219 220 2 1.3 1.5 | 290 17 15.6 -5.7 6 875 1300 150 5 -2.5 4.3 | 284 12 11.8 -2.9 7 850 1554 100 8 -7.9 1.4 | 312 9 6.4 -5.8 8 823 1829 75 11 -10.6 -2.8 | 340 11 3.7 -10.1 9 794 2134 100 14 -13.8 2.4 | 354 5 0.5 -4.8 10 766 2438 90 21 -21.0 0.0 | 43 10 -6.7 -7.2 11 739 2743 95 28 -27.9 2.4 | 71 14 -13.6 -4.8 12 700 3211 90 33 -33.0 0.0 | 69 20 -18.7 -7.2 13 662 3658 85 30 -29.9 -2.6 | 58 18 -15.6 -9.8 14 614 4267 90 36 -36.0 0.0 | 72 23 -21.7 -7.2 15 569 4877 70 29 -27.3 -9.9 | 37 21 -13.0 -17.1 16 500 5920 55 15 -12.3 -8.6 | 353 16 2.0 -15.8 17 489 6096 60 14 -12.1 -7.0 | 351 14 2.2 -14.2 18 401 7620 85 16 -15.9 -1.4 | 11 9 -1.7 -8.6 19 400 7630 90 16 -16.0 0.0 | 13 7 -1.7 -7.2 20 325 9144 90 9 -9.0 0.0 | 324 9 5.3 -7.2 21 300 9730 305 10 8.2 -5.7 | 300 26 22.5 -13.0 22 262 10668 285 9 8.7 -2.3 | 293 25 23.0 -9.6 23 250 10990 300 8 6.9 -4.0 | 298 24 21.2 -11.2 24 200 12470 85 7 -7.0 -0.6 | 317 11 7.3 -7.8 25 150 14260 160 10 -3.4 9.4 | 259 11 10.9 2.2 26 127 15240 340 4 1.4 -3.8 | 305 19 15.7 -11.0 27 100 16630 200 18 6.2 16.9 | 245 23 20.4 9.7 28 75 18288 90 15 -15.0 0.0 | 6 7 -0.7 -7.2 29 70 18670 310 4 3.1 -2.6 | 299 20 17.4 -9.8 30 50 20680 80 20 -19.7 -3.5 | 27 12 -5.4 -10.7 31 45 21336 75 25 -24.1 -6.5 | 36 17 -9.9 -13.7 32 30 23830 90 45 -45.0 0.0 | 77 32 -30.7 -7.2 33 27 24384 85 50 -49.8 -4.4 | 72 37 -35.5 -11.6 34 20 26410 85 74 -73.7 -6.4 | 77 61 -59.4 -13.7 35 17 27432 90 77 -77.0 0.0 | 83 63 -62.7 -7.2 36 10 30990 85 53 -52.8 -4.6 | 73 40 -38.5 -11.8 Wind Parameters Mean winds (0-6000m): 86.8 at 21.3 knts Storm direction: 116.8 at 16.0 knts Shear (0-3000m) pos: 0.7 neg: 4.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 152.8 deg Storm rel helicity (0-3000m) pos: 106.5 neg: -35.5 tot: 71.0 m^2/s^2 ave: 23.7 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 4.3 10^-3/s Energy-Hel index: 0.99 Bulk Rich Number: 20.53 Bulk Shear: 93.05 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 ------------------------------------------------------------------------------- 500 189 12 255 17| 8.2 0.0 8.2| 4.5 -28.6 -24.1 -48.2 -0.55| 11.7 -6.4 1000 192 10 262 16| 2.4 0.0 2.4| 53.8 -28.6 25.2 25.2 0.21| 11.8 2.5 1500 174 9 264 13| 1.6 3.9 5.5| 72.0 -32.5 39.5 26.4 0.31| 12.6 3.9 2000 144 10 266 9| 1.0 2.9 4.0| 83.0 -32.5 50.5 25.3 0.36| 12.1 4.4 2500 120 12 287 4| 0.8 4.7 5.5|105.6 -32.5 73.1 29.2 0.43| 12.2 5.2 3000 108 15 6 2| 0.7 4.9 5.6|106.5 -35.5 71.0 23.7 0.38| 11.2 4.3 4000 98 20 50 7| 1.2 3.4 4.6|130.3 -52.6 77.8 19.4 0.35| 9.6 3.4 5000 92 22 49 10| 0.9 2.2 3.1|130.3-152.7 -22.4 -4.5 0.09| 9.6 0.9 6000 87 21 40 11| 0.7 1.5 2.1|131.3-196.9 -65.6 -10.9 -0.01| 9.0 -0.1 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251009.00.gif