UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026012000.upa.cvt Date: 0000Z 20 JAN 26 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 20 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 100 SFC 985 227 24.4 -6.6 12 31.0 10.0 330 6 298.8 299.3 283.8 306.1 2.36 2 980 272 26.6 -5.4 12 32.0 11.2 339 12 301.5 302.0 285.1 309.5 2.60 3 973 336 27.8 -6.2 10 34.0 11.4 344 15 303.3 303.8 285.7 311.0 2.47 4 957 483 27.2 -7.8 9 35.0 10.7 342 12 304.1 304.6 285.7 311.1 2.22 5 925 784 24.8 -8.2 11 33.0 9.5 325 9 304.7 305.1 285.9 311.7 2.22 6 866 1356 20.6 -5.4 17 26.0 8.0 305 22 306.1 306.6 287.2 315.3 2.95 7 850 1516 20.0 -2.0 23 22.0 8.6 305 30 307.1 307.8 288.5 319.2 3.88 8 823 1793 18.4 -0.6 28 19.0 8.3 296 25 308.3 309.1 289.4 322.1 4.45 9 797 2067 17.2 -6.8 19 24.0 5.8 287 26 309.8 310.4 288.4 319.0 2.88 10 790 2142 17.4 -10.6 14 28.0 4.9 285 26 310.8 311.2 288.0 317.8 2.15 11 752 2560 14.2 -4.8 26 19.0 4.8 269 20 311.8 312.4 289.7 323.1 3.56 12 700 3159 9.8 2.8 62 7.0 5.8 225 23 313.3 314.6 292.9 334.3 6.70 13 674 3472 7.0 1.0 66 6.0 3.7 216 24 313.6 314.8 292.4 332.8 6.11 14 606 4336 0.0 -5.0 69 5.0 -2.4 235 24 315.2 316.1 291.5 329.1 4.35 15 600 4416 -0.7 -5.7 69 5.0 -3.0 235 24 315.3 316.1 291.3 328.7 4.17 16 581 4672 -3.1 -6.7 76 3.6 -4.7 235 23 315.4 316.2 291.2 328.2 3.99 17 566 4879 -4.1 -11.1 58 7.0 -7.0 235 22 316.6 317.2 290.6 326.1 2.89 18 546 5164 -2.5 -23.5 18 21.0 -9.0 249 26 321.8 322.0 290.4 325.5 1.05 19 517 5597 -4.1 -31.1 10 27.0 -11.1 271 32 324.9 325.0 290.8 326.9 0.55 20 500 5860 -5.9 -25.9 19 20.0 -11.6 285 36 325.8 326.0 291.5 329.1 0.93 21 404 7495 -16.9 -27.9 38 11.0 -19.6 275 37 332.1 332.3 293.2 335.6 0.95 22 400 7570 -17.1 -28.1 38 11.0 -19.8 275 37 332.8 333.0 293.4 336.2 0.95 23 345 8660 -24.5 -39.5 24 15.0 -26.8 255 42 337.1 337.2 294.0 338.5 0.36 24 300 9660 -32.3 -46.3 24 14.0 -33.7 260 53 339.9 339.9 294.5 340.7 0.20 25 250 10920 -43.1 -54.1 29 11.0 -43.7 270 61 342.0 342.0 294.9 342.4 0.10 26 200 12370 -56.1 -65.1 31 9.0 -56.3 275 69 343.9 343.9 295.3 344.1 0.03 27 163 13640 -66.5 -74.5 32 8.0 -66.5 287 84 347.2 347.2 296.0 347.2 0.01 28 156 13905 -67.7 -75.7 31 8.0 -67.7 290 87 349.6 349.6 296.5 349.6 0.01 29 150 14140 -68.7 -76.7 31 8.0 -68.8 285 75 351.7 351.7 297.0 351.8 0.01 30 137 14682 -70.3 -78.3 30 8.0 -70.4 270 72 358.2 358.2 298.4 358.2 0.01 31 136 14725 -70.1 -79.1 26 9.0 -70.1 269 72 359.3 359.3 298.5 359.3 0.01 32 131 14949 -69.1 -77.1 30 8.0 -69.2 263 71 364.9 364.9 299.7 365.0 0.01 33 119 15518 -73.5 -81.5 28 8.0 -73.5 257 67 367.0 367.0 300.0 367.0 0.00 34 104 16297 -78.3 -85.3 31 7.0 -78.3 263 62 372.2 372.2 300.9 372.3 0.00 35 100 16520 -80.1 -87.1 30 7.0 -80.1 265 61 373.0 373.0 301.1 373.0 0.00 36 97 16692 -79.7 -87.7 25 8.0 -79.7 263 59 377.0 377.0 301.8 377.0 0.00 37 90 17113 -81.5 -88.5 29 7.0 -81.5 258 54 381.6 381.6 302.5 381.6 0.00 38 89 17176 -81.5 -88.5 29 7.0 -81.5 258 53 382.8 382.8 302.7 382.8 0.00 39 75 18145 -77.5 -88.5 15 11.0 -77.5 247 42 410.4 410.4 306.6 410.4 0.00 40 70 18540 -76.7 -89.7 11 13.0 -76.7 270 33 420.3 420.3 307.7 420.3 0.00 41 50 20550 -63.9 -82.9 6 19.0 -64.3 120 5 492.9 492.9 314.4 492.9 0.01 42 34 22905 -63.1 -88.1 2 25.0 -63.7 120 23 552.5 552.5 318.2 552.5 0.00 43 31 23469 -64.3 -90.3 2 26.0 -64.8 109 30 564.0 564.0 318.9 564.1 0.00 44 30 23670 -62.5 -90.5 1 28.0 -63.2 105 32 574.3 574.3 319.4 574.3 0.00 45 24 25060 -58.9 -87.9 1 29.0 -60.2 98 33 622.6 622.6 321.6 622.6 0.01 46 23 25328 -57.3 -87.3 1 30.0 -58.9 92 33 634.9 634.9 322.1 634.9 0.01 47 21 25907 -54.7 -85.7 1 31.0 -56.9 78 32 659.5 659.5 323.0 659.6 0.01 48 20 26220 -53.7 -84.7 1 31.0 -56.2 70 32 671.8 671.8 323.5 671.9 0.02 49 17 27259 -56.9 -85.9 1 29.0 -59.0 61 29 693.5 693.5 324.2 693.6 0.01 50 12 29519 -46.9 -79.9 1 33.0 -53.0 172 25 801.6 801.6 327.3 802.1 0.06 51 11 30099 -44.9 -77.9 1 33.0 -52.2 202 23 829.0 829.1 328.0 829.9 0.08 52 10 30740 -42.7 -76.7 1 34.0 -51.5 235 22 860.2 860.2 328.7 861.3 0.11 53 10 30740 -42.5 -76.5 1 34.0 -51.4 235 22 860.9 861.0 328.7 862.1 0.12 54 9.6 31015 -43.3 -76.3 1 33.0 -51.9 868.0 868.1 328.8 869.3 0.12 55 8.9 31525 -43.3 -67.3 5 24.0 -51.7 887.0 887.3 329.2 892.6 0.50 TRP 866 1356 20.6 -5.4 17 26.0 8.0 305 22 306.1 306.6 287.2 315.3 2.95 WND 156 13905 -67.7 -75.7 31 8.0 -67.7 290 87 349.6 349.6 296.5 349.6 0.01 Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 606.00 mb = 4336.24 m = 14226.34 ft Wetbulb zero: 632.59 mb = 3987.33 m = 13081.65 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 36.47 % Est. max temperature: 33.26 C = 91.87 F Sfc-Lift cond lev (LCL): 620.07 mb = 4149.67 m = 13614.24 ft T: 1.51 C 700-500 lapse rate: 5.81 C/km ThetaE index: 4.28 C Layer 797.0- 752.0 mb Conv cond level (CCL): 393.12 mb = 7697.80 m = 25254.96 ft Mean mixing ratio: 2.37 g/kg Conv temperature: 58.70 C = 137.66 F Cap Strength: 15.22 C Lifted Index: 15.35 C Risk: None Lifted Index @300 mb: 20.21 C Lifted Index @700 mb: 8.19 C Showalter Index: 10.96 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 3.90 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 96.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.48 J/kg Max Up Vert Vel: 5.00 m/s Conv Inhibition (B-): 49229.19 J/kg Cap Strength: 15.32 C Lift Cond Lev (LCL): 575.15 mb = 4752.43 m = 15591.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 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 ---------------------------------------------------------- 0 985 227 330 6 3.0 -5.2 | 98 13 -12.9 1.9 1 976 305 345 16 4.1 -15.5 | 55 14 -11.8 -8.3 2 943 610 340 9 3.1 -8.5 | 84 13 -12.9 -1.3 3 925 784 325 9 5.2 -7.4 | 89 11 -10.8 -0.3 4 911 914 320 10 6.4 -7.7 | 87 10 -9.5 -0.5 5 880 1219 310 14 10.7 -9.0 | 70 6 -5.2 -1.9 6 866 1356 305 22 18.0 -12.6 | 339 6 2.1 -5.5 7 850 1516 305 30 24.6 -17.2 | 319 13 8.6 -10.1 8 819 1829 295 24 21.8 -10.1 | 298 7 5.8 -3.0 9 790 2134 285 26 25.1 -6.7 | 268 9 9.2 0.4 10 762 2438 275 20 19.9 -1.7 | 217 7 4.0 5.4 11 735 2743 260 20 19.7 3.5 | 200 11 3.8 10.6 12 700 3159 225 23 16.3 16.3 | 181 23 0.3 23.4 13 658 3658 210 25 12.5 21.7 | 173 29 -3.4 28.8 14 610 4267 235 24 19.7 13.8 | 190 21 3.7 20.9 15 565 4877 235 22 18.0 12.6 | 186 20 2.1 19.7 16 500 5860 285 36 34.8 -9.3 | 277 19 18.8 -2.2 17 485 6096 280 36 35.5 -6.3 | 267 20 19.5 0.9 18 400 7570 275 37 36.9 -3.2 | 259 21 20.9 3.9 19 397 7620 275 37 36.9 -3.2 | 259 21 20.9 3.9 20 322 9144 245 45 40.8 19.0 | 224 36 24.8 26.1 21 300 9660 260 53 52.2 9.2 | 246 40 36.3 16.3 22 259 10668 265 57 56.8 5.0 | 254 43 40.8 12.1 23 250 10920 270 61 61.0 -0.0 | 261 46 45.1 7.1 24 200 12370 275 69 68.7 -6.0 | 269 53 52.8 1.1 25 156 13905 290 87 81.8 -29.8 | 289 70 65.8 -22.6 26 150 14140 285 75 72.4 -19.4 | 282 58 56.5 -12.3 27 124 15240 255 69 66.6 17.9 | 244 57 50.7 25.0 28 100 16520 265 61 60.8 5.3 | 254 47 44.8 12.4 29 73 18288 245 40 36.3 16.9 | 220 31 20.3 24.0 30 70 18540 270 33 33.0 -0.0 | 247 18 17.1 7.1 31 50 20550 120 5 -4.3 2.5 | 115 22 -20.3 9.6 32 44 21336 150 6 -3.0 5.2 | 123 23 -18.9 12.3 33 30 23670 105 32 -30.9 8.3 | 108 49 -46.8 15.4 34 27 24384 115 34 -30.8 14.4 | 115 51 -46.8 21.5 35 20 26220 70 32 -30.1 -10.9 | 85 46 -46.0 -3.8 36 17 27432 60 29 -25.1 -14.5 | 80 42 -41.1 -7.4 37 10 30740 235 22 18.0 12.6 | 186 20 2.1 19.7 Wind Parameters Mean winds (0-6000m): 264.1 at 23.3 knts Storm direction: 294.1 at 17.5 knts Shear (0-3000m) pos: 0.0 neg: 4.4 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 24.5 neg: -120.2 tot: -95.7 m^2/s^2 ave: -31.9 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 13.7 stream: -6.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 73.50 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 ------------------------------------------------------------------------------- 500 341 11 73 13| 0.0 3.1 3.1| 23.8 -32.8 -9.0 -18.0 -0.17| 18.5 -3.2 1000 329 11 76 11| 0.0 4.7 4.7| 24.5 -38.2 -13.7 -13.7 -0.22| 12.8 -2.9 1500 316 16 49 6| 0.0 7.2 7.2| 24.5 -60.6 -36.1 -24.0 -0.42| 15.7 -6.5 2000 307 18 20 4| 0.0 5.3 5.3| 24.5 -75.4 -50.9 -25.5 -0.47| 14.2 -6.7 2500 299 19 346 2| 0.0 3.9 3.9| 24.5 -90.1 -65.6 -26.2 -0.51| 13.4 -6.9 3000 288 19 245 3| 0.0 4.4 4.4| 24.5-120.2 -95.7 -31.9 -0.50| 13.7 -6.8 4000 266 21 208 10| 1.1 3.6 4.7| 69.6-140.1 -70.5 -17.6 -0.38| 12.2 -4.6 5000 258 21 203 12| 1.8 2.9 4.7|115.1-146.6 -31.4 -6.3 -0.26| 10.9 -2.9 6000 264 23 217 12| 3.0 2.4 5.4|203.0-159.1 43.8 7.3 -0.09| 11.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20260120.00.gif