UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 18 JAN 26 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 105 SFC 986 227 30.2 0.2 14 30.0 13.9 350 6 304.6 305.3 287.6 316.7 3.93 2 981 272 28.0 -2.0 14 30.0 12.5 347 7 302.8 303.4 286.4 313.1 3.36 3 974 336 27.4 -1.6 15 29.0 12.3 348 7 302.8 303.5 286.6 313.5 3.49 4 968 391 26.8 -3.2 14 30.0 11.7 353 6 302.8 303.3 286.2 312.4 3.11 5 961 455 27.2 -4.8 12 32.0 11.4 360 6 303.8 304.3 286.2 312.4 2.78 6 941 641 26.6 -7.4 10 34.0 10.4 9 5 305.0 305.4 286.2 312.3 2.33 7 925 793 25.8 -5.2 12 31.0 10.5 340 3 305.7 306.2 286.9 314.5 2.80 8 880 1228 22.6 -3.4 17 26.0 9.5 225 3 306.8 307.4 287.9 317.3 3.38 9 850 1528 20.6 -1.4 23 22.0 9.0 235 11 307.7 308.5 288.8 320.4 4.06 10 746 2638 12.4 -2.6 35 15.0 4.8 194 13 310.5 311.3 289.9 323.8 4.23 11 700 3169 9.0 -6.0 34 15.0 1.9 225 15 312.5 313.1 289.8 323.6 3.49 12 676 3457 7.2 -14.8 19 22.0 -1.4 228 12 313.6 313.9 288.6 319.5 1.79 13 600 4427 0.2 -9.8 47 10.0 -4.1 230 21 316.4 316.9 290.6 326.2 3.03 14 598 4454 0.0 -10.0 47 10.0 -4.3 230 22 316.4 317.0 290.6 326.2 2.99 15 575 4767 -2.7 -10.7 54 8.0 -6.0 241 23 316.8 317.4 290.7 326.4 2.94 16 565 4906 -3.3 -13.3 46 10.0 -7.2 245 23 317.7 318.2 290.5 325.7 2.43 17 556 5034 -2.7 -20.7 24 18.0 -8.6 247 24 319.9 320.1 290.1 324.4 1.32 18 518 5593 -5.7 -22.7 25 17.0 -10.9 256 28 322.8 323.0 290.9 327.0 1.19 19 500 5870 -6.5 -27.5 17 21.0 -12.2 260 30 325.1 325.3 291.2 328.0 0.80 20 456 6581 -10.9 -33.9 13 23.0 -16.0 275 34 328.3 328.4 291.7 330.1 0.48 21 432 6992 -14.1 -32.1 20 18.0 -18.1 279 35 329.3 329.5 292.2 331.5 0.60 22 400 7570 -17.7 -38.7 14 21.0 -21.4 285 37 332.0 332.1 292.6 333.3 0.34 23 377 8011 -20.3 -48.3 6 28.0 -23.9 284 39 334.2 334.2 293.0 334.7 0.13 24 300 9660 -33.3 -41.3 45 8.0 -34.2 260 37 338.4 338.5 294.3 339.8 0.34 25 250 10920 -43.7 -50.7 46 7.0 -44.1 235 39 341.1 341.1 294.7 341.7 0.15 26 239 11220 -46.5 -51.5 57 5.0 -46.7 238 42 341.3 341.3 294.8 341.9 0.14 27 200 12380 -54.5 -68.5 16 14.0 -54.8 250 53 346.5 346.5 295.8 346.5 0.02 28 192 12639 -56.9 -70.9 15 14.0 -57.1 251 55 346.7 346.7 295.9 346.7 0.01 29 159 13801 -66.5 -74.5 32 8.0 -66.5 258 63 349.7 349.7 296.5 349.7 0.01 30 150 14150 -68.9 -77.9 26 9.0 -68.9 260 65 351.4 351.4 297.0 351.4 0.01 31 127 15136 -72.2 -82.1 21 9.9 -72.3 255 74 362.5 362.5 299.2 362.6 0.00 32 124 15277 -72.7 -82.7 21 10.0 -72.8 260 72 364.2 364.2 299.5 364.2 0.00 33 114 15765 -76.5 -86.5 19 10.0 -76.5 254 68 365.9 365.9 299.8 366.0 0.00 34 108 16075 -78.5 -87.5 22 9.0 -78.5 250 65 367.9 367.9 300.2 367.9 0.00 35 100 16510 -81.3 -90.3 20 9.0 -81.3 245 62 370.6 370.6 300.7 370.7 0.00 36 89 17158 -86.1 -93.1 27 7.0 -86.1 243 47 373.6 373.6 301.2 373.6 0.00 37 83 17548 -78.5 -85.5 31 7.0 -78.5 242 38 396.6 396.6 304.8 396.7 0.00 38 73 18280 -79.3 -88.3 21 9.0 -79.3 240 21 409.8 409.8 306.5 409.8 0.00 39 70 18520 -76.7 -84.7 27 8.0 -76.7 270 18 420.3 420.3 307.7 420.3 0.00 40 68 18686 -76.5 -85.5 23 9.0 -76.6 259 18 424.2 424.2 308.2 424.2 0.00 41 59 19509 -71.3 -81.3 21 10.0 -71.4 204 15 453.5 453.5 311.2 453.5 0.01 42 50 20490 -67.9 -81.9 12 14.0 -68.1 140 13 483.5 483.5 313.7 483.5 0.01 43 42 21555 -62.7 -84.7 4 22.0 -63.2 104 13 521.1 521.1 316.4 521.1 0.01 44 42 21555 -62.9 -84.9 4 22.0 -63.4 104 13 520.6 520.6 316.4 520.6 0.01 45 37 22336 -64.1 -85.1 4 21.0 -64.6 101 18 536.7 536.7 317.3 536.8 0.01 46 37 22336 -64.1 -85.1 4 21.0 -64.6 101 18 536.7 536.7 317.3 536.8 0.01 47 32 23235 -60.5 -82.5 4 22.0 -61.3 97 24 569.1 569.1 319.1 569.2 0.01 48 30 23640 -57.9 -80.9 4 23.0 -59.0 95 27 586.8 586.8 320.0 586.9 0.02 49 27 24307 -54.9 -77.9 4 23.0 -56.6 104 32 613.2 613.2 321.2 613.4 0.03 50 25 24800 -53.7 -76.7 4 23.0 -55.7 105 32 630.3 630.3 321.9 630.6 0.04 51 20 26220 -57.1 -78.1 5 21.0 -58.8 105 34 661.4 661.4 323.1 661.8 0.05 52 20 26220 -57.3 -78.3 5 21.0 -59.0 105 34 660.8 660.8 323.1 661.1 0.04 53 17 27256 -53.7 -75.7 5 22.0 -56.4 110 30 703.8 703.8 324.6 704.4 0.08 54 16 27647 -52.5 -74.5 5 22.0 -55.6 112 29 720.0 720.0 325.1 720.9 0.10 55 13 28984 -54.1 -74.1 7 20.0 -57.2 758.5 758.6 326.2 759.7 0.13 56 13 28984 -54.3 -74.3 7 20.0 -57.3 757.8 757.9 326.2 759.0 0.12 57 12 29498 -53.5 -74.5 6 21.0 -57.0 778.2 778.3 326.7 779.4 0.13 58 11 30059 -52.5 -72.5 7 20.0 -56.5 801.4 801.5 327.3 803.3 0.19 59 11 30059 -52.1 -73.1 6 21.0 -56.2 802.9 803.0 327.4 804.6 0.18 60 10 30676 -52.5 -74.5 5 22.0 -56.8 823.6 823.7 327.8 825.2 0.16 TRP 880 1228 22.6 -3.4 17 26.0 9.5 225 3 306.8 307.4 287.9 317.3 3.38 WND 127 15136 -72.2 -82.1 21 9.9 -72.3 255 74 362.5 362.5 299.2 362.6 0.00 Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 598.00 mb = 4453.96 m = 14612.56 ft Wetbulb zero: 686.14 mb = 3334.24 m = 10938.96 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 28.10 % Est. max temperature: 33.70 C = 92.67 F Sfc-Lift cond lev (LCL): 634.40 mb = 3973.82 m = 13037.29 ft T: 3.47 C 700-500 lapse rate: 5.74 C/km ThetaE index: 4.32 C Layer 700.0- 600.0 mb Conv cond level (CCL): 429.62 mb = 7033.48 m = 23075.43 ft Mean mixing ratio: 2.93 g/kg Conv temperature: 55.05 C = 131.10 F Cap Strength: 12.09 C Lifted Index: 13.28 C Risk: None Lifted Index @300 mb: 17.60 C Lifted Index @700 mb: 6.77 C Showalter Index: 9.71 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 27.10 C Cross Totals Index: 5.10 C K Index: 10.70 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.87 J/kg Max Up Vert Vel: 5.81 m/s Conv Inhibition (B-): 49185.14 J/kg Cap Strength: 12.96 C Lift Cond Lev (LCL): 594.55 mb = 4500.14 m = 14764.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 12 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 ---------------------------------------------------------- 0 986 227 350 6 1.0 -5.9 | 61 12 -10.9 -5.9 1 977 305 345 7 1.8 -6.8 | 56 12 -10.1 -6.8 2 944 610 15 5 -1.3 -4.8 | 70 14 -13.2 -4.9 3 925 793 340 3 1.0 -2.8 | 75 11 -10.9 -2.9 4 912 914 290 2 1.9 -0.7 | 86 10 -10.1 -0.7 5 881 1219 230 3 2.3 1.9 | 101 10 -9.6 1.9 6 880 1228 225 3 2.1 2.1 | 102 10 -9.8 2.1 7 850 1528 235 11 9.0 6.3 | 155 7 -2.9 6.3 8 820 1829 235 14 11.5 8.0 | 177 8 -0.5 8.0 9 791 2134 185 11 1.0 11.0 | 135 15 -11.0 10.9 10 763 2438 185 11 1.0 11.0 | 135 15 -11.0 10.9 11 736 2743 200 14 4.8 13.2 | 151 15 -7.2 13.1 12 700 3169 225 15 10.6 10.6 | 173 11 -1.3 10.6 13 659 3658 230 10 7.7 6.4 | 146 8 -4.3 6.4 14 610 4267 225 21 14.8 14.8 | 191 15 2.9 14.8 15 566 4877 245 23 20.8 9.7 | 223 13 8.9 9.7 16 500 5870 260 30 29.5 5.2 | 254 18 17.6 5.2 17 485 6096 270 33 33.0 -0.0 | 270 21 21.1 -0.0 18 400 7570 285 37 35.7 -9.6 | 292 26 23.8 -9.6 19 397 7620 285 36 34.8 -9.3 | 292 25 22.8 -9.4 20 322 9144 280 48 47.3 -8.3 | 283 36 35.3 -8.4 21 300 9660 260 37 36.4 6.4 | 255 25 24.5 6.4 22 259 10668 240 38 32.9 19.0 | 228 28 21.0 19.0 23 250 10920 235 39 31.9 22.4 | 222 30 20.0 22.3 24 200 12380 250 53 49.8 18.1 | 244 42 37.9 18.1 25 150 14150 260 65 64.0 11.3 | 258 53 52.1 11.2 26 127 15136 255 74 71.5 19.2 | 252 63 59.5 19.1 27 125 15240 260 72 70.9 12.5 | 258 60 59.0 12.5 28 100 16510 245 62 56.2 26.2 | 239 51 44.3 26.2 29 73 18288 240 21 18.2 10.5 | 211 12 6.2 10.5 30 70 18520 270 18 18.0 -0.0 | 270 6 6.1 -0.0 31 50 20490 140 13 -8.4 10.0 | 116 23 -20.3 9.9 32 44 21336 105 11 -10.6 2.8 | 97 23 -22.6 2.8 33 30 23640 95 27 -26.9 2.4 | 93 39 -38.8 2.3 34 27 24384 105 32 -30.9 8.3 | 101 44 -42.8 8.2 35 20 26220 105 34 -32.8 8.8 | 101 46 -44.8 8.8 36 14 27432 115 26 -23.6 11.0 | 107 37 -35.5 11.0 Wind Parameters Mean winds (0-6000m): 239.8 at 15.9 knts Storm direction: 269.8 at 11.9 knts Shear (0-3000m) pos: 3.2 neg: 2.1 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 109.3 deg Storm rel helicity (0-3000m) pos: 80.0 neg: -29.3 tot: 50.7 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 48.79 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 ------------------------------------------------------------------------------- 500 357 6 64 13| 2.4 0.0 2.4| 12.0 -3.0 9.0 18.0 0.42| 6.2 2.6 1000 341 4 70 11| 1.2 3.1 4.3| 26.3 -3.0 23.3 23.3 0.63| 6.4 4.0 1500 273 6 87 6| 3.8 2.1 5.8| 45.5 -3.0 42.5 28.3 0.76| 7.7 5.9 2000 240 7 124 7| 2.8 3.2 6.0| 47.3 -29.3 18.0 9.0 0.27| 9.0 2.5 2500 220 8 134 9| 3.1 2.5 5.6| 64.1 -29.3 34.8 13.9 0.35| 8.0 2.8 3000 218 9 140 10| 3.2 2.1 5.3| 80.0 -29.3 50.7 16.9 0.40| 7.9 3.1 4000 222 11 148 9| 2.1 2.1 4.2| 98.9 -37.1 61.8 15.4 0.37| 7.7 2.8 5000 229 13 166 9| 2.6 1.7 4.3|139.2 -37.1 102.1 20.4 0.46| 7.4 3.4 6000 240 16 193 8| 3.1 1.4 4.5|196.6 -37.1 159.5 26.6 0.52| 7.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20260118.12.gif