UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050612.upa.cvt Date: 1200Z 6 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 6 MAY 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 93 SFC 985 227 37.8 20.8 37 17.0 25.3 240 7 312.3 315.3 299.0 361.2 15.89 2 981 265 36.0 19.0 37 17.0 23.8 238 7 310.9 313.5 297.5 354.4 14.24 3 973 340 35.4 19.4 39 16.0 23.8 235 6 311.0 313.8 297.9 356.0 14.73 4 925 801 30.6 18.6 49 12.0 22.0 235 8 310.6 313.4 297.8 355.6 14.74 5 850 1550 23.6 14.6 57 9.0 17.4 165 7 310.9 313.2 296.4 348.8 12.39 6 848 1571 23.2 14.2 57 9.0 17.1 160 7 310.7 312.9 296.1 347.6 12.09 7 822 1842 20.8 13.8 64 7.0 16.1 146 9 310.9 313.2 296.2 348.1 12.16 8 700 3212 11.4 -0.6 43 12.0 4.9 30 16 315.1 316.1 292.2 331.7 5.23 9 669 3588 8.6 -10.4 25 19.0 0.3 67 14 316.1 316.6 290.2 324.6 2.59 10 665 3637 8.6 -11.4 23 20.0 -0.0 72 13 316.6 317.1 290.1 324.5 2.40 11 612 4320 6.2 -13.8 22 20.0 -2.1 57 21 321.5 321.9 291.3 328.7 2.15 12 600 4482 5.0 -15.0 22 20.0 -3.0 66 21 321.9 322.3 291.3 328.6 1.99 13 569 4912 1.8 -13.2 32 15.0 -4.4 90 21 323.1 323.5 292.0 331.3 2.43 14 554 5126 0.8 -20.2 19 21.0 -6.5 85 21 324.4 324.6 291.5 329.2 1.39 15 546 5243 0.0 -19.0 22 19.0 -6.8 82 20 324.8 325.1 291.7 330.2 1.56 16 500 5940 -5.7 -16.7 42 11.0 -9.8 65 19 326.1 326.5 292.6 333.2 2.07 17 462 6554 -10.3 -18.3 52 8.0 -13.0 53 17 327.8 328.2 292.9 334.6 1.96 18 400 7650 -17.3 -40.3 12 23.0 -21.2 35 10 332.5 332.6 292.7 333.6 0.28 19 394 7763 -17.3 -44.3 8 27.0 -21.4 31 11 333.9 334.0 293.0 334.7 0.19 20 358 8471 -22.9 -42.9 14 20.0 -25.7 8 15 335.7 335.8 293.5 336.7 0.24 21 352 8594 -23.5 -44.5 13 21.0 -26.3 4 16 336.5 336.6 293.7 337.3 0.21 22 333 8996 -26.5 -43.5 19 17.0 -28.7 350 18 337.8 337.9 294.0 338.8 0.24 23 301 9717 -31.3 -52.3 11 21.0 -33.1 321 15 340.9 341.0 294.6 341.4 0.10 24 300 9740 -31.5 -52.5 11 21.0 -33.3 320 15 341.0 341.0 294.7 341.4 0.10 25 288 10028 -34.1 -54.1 11 20.0 -35.5 311 14 341.3 341.3 294.7 341.6 0.08 26 267 10557 -37.1 -62.1 6 25.0 -38.4 294 13 344.4 344.4 295.4 344.5 0.03 27 250 11010 -40.7 -64.7 6 24.0 -41.7 305 16 345.6 345.6 295.7 345.7 0.03 28 224 11744 -46.7 -59.7 21 13.0 -47.2 303 18 347.4 347.4 296.1 347.6 0.05 29 219 11892 -48.3 -61.3 21 13.0 -48.7 302 19 347.2 347.2 296.0 347.4 0.05 30 200 12480 -53.7 -59.7 48 6.0 -53.9 300 21 347.7 347.7 296.2 348.0 0.06 31 193 12708 -55.5 -61.5 47 6.0 -55.6 288 20 348.4 348.4 296.3 348.6 0.05 32 156 14033 -65.3 -73.3 32 8.0 -65.4 214 15 353.6 353.6 297.4 353.7 0.01 33 150 14270 -67.1 -74.1 36 7.0 -67.1 200 14 354.5 354.5 297.6 354.5 0.01 34 149 14310 -67.3 -74.3 36 7.0 -67.4 198 14 354.8 354.8 297.7 354.9 0.01 35 145 14474 -68.9 -76.9 31 8.0 -68.9 192 13 354.8 354.8 297.7 354.9 0.01 36 120 15579 -78.3 -82.9 47 4.6 -78.3 144 10 357.3 357.3 298.2 357.3 0.00 37 111 16021 -80.3 -85.3 43 5.0 -80.3 121 9 361.6 361.6 299.0 361.6 0.00 38 107 16228 -80.7 -85.7 43 5.0 -80.7 110 9 364.7 364.7 299.6 364.7 0.00 39 104 16388 -80.3 -86.3 36 6.0 -80.3 102 9 368.4 368.4 300.3 368.4 0.00 40 103 16443 -79.9 -85.9 36 6.0 -79.9 99 9 370.2 370.2 300.6 370.2 0.00 41 100 16610 -80.3 -86.3 36 6.0 -80.3 90 9 372.6 372.6 301.0 372.6 0.00 42 91 17140 -81.3 -87.3 35 6.0 -81.3 117 10 380.8 380.8 302.3 380.8 0.00 43 79 17938 -79.5 -86.5 30 7.0 -79.5 158 11 400.2 400.2 305.2 400.2 0.00 44 70 18630 -75.5 -84.5 23 9.0 -75.6 290 6 422.9 422.9 308.0 422.9 0.00 45 61 19438 -71.5 -83.5 15 12.0 -71.6 357 4 448.7 448.7 310.7 448.8 0.01 46 51 20510 -67.3 -88.3 4 21.0 -67.5 85 2 482.2 482.2 313.6 482.2 0.00 47 50 20630 -66.1 -87.1 4 21.0 -66.4 95 2 487.7 487.7 314.1 487.7 0.00 48 38 22319 -59.1 -81.1 4 22.0 -59.9 121 15 545.4 545.4 317.8 545.5 0.01 49 37 22486 -59.1 -81.1 4 22.0 -59.9 118 15 549.6 549.6 318.1 549.6 0.02 50 34 23016 -58.5 -80.5 4 22.0 -59.5 111 16 564.6 564.6 318.9 564.7 0.02 51 31 23595 -59.5 -80.5 5 21.0 -60.4 103 18 577.0 577.0 319.5 577.1 0.02 52 30 23800 -59.1 -80.1 5 21.0 -60.1 100 18 583.5 583.5 319.9 583.7 0.02 53 27 24465 -56.9 -78.9 5 22.0 -58.3 103 26 607.6 607.6 321.0 607.8 0.03 54 20 26400 -49.9 -71.9 6 22.0 -53.2 70 30 683.4 683.5 323.9 684.4 0.12 55 18 27091 -50.1 -72.1 6 22.0 -53.6 84 35 703.7 703.8 324.6 704.8 0.13 56 16 27867 -47.3 -70.3 5 23.0 -52.0 90 39 737.0 737.0 325.6 738.6 0.18 57 14 28755 -46.5 -68.5 6 22.0 -51.9 90 44 768.4 768.5 326.5 770.9 0.27 58 14 28755 -46.1 -68.1 7 22.0 -51.6 90 44 769.7 769.8 326.5 772.5 0.29 59 12 29785 -44.7 -66.7 7 22.0 -51.2 90 50 809.4 809.6 327.5 813.5 0.40 60 11 30368 -44.9 -65.9 8 21.0 -51.6 90 53 829.0 829.3 328.0 834.1 0.49 61 11 30368 -44.9 -65.9 8 21.0 -51.6 90 53 829.0 829.3 328.0 834.1 0.49 62 10 31010 -42.5 -65.5 6 23.0 -50.7 90 56 860.9 861.2 328.8 867.1 0.57 63 9.8 31146 -42.7 -66.7 5 24.0 -51.0 865.1 865.4 328.8 870.5 0.50 TRP 848 1571 23.2 14.2 57 9.0 17.1 160 7 310.7 312.9 296.1 347.6 12.09 WND Sounding variables and indices 1000-500 mb thick: 5847.00 m Freezing level: 546.00 mb = 5243.01 m = 17201.25 ft Wetbulb zero: 665.53 mb = 3630.73 m = 11911.69 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 39.89 % Est. max temperature: 36.29 C = 97.32 F Sfc-Lift cond lev (LCL): 772.59 mb = 2370.54 m = 7777.28 ft T: 17.17 C 700-500 lapse rate: 6.27 C/km ThetaE index: 23.58 C Layer 700.0- 612.0 mb Conv cond level (CCL): 742.89 mb = 2704.85 m = 8874.06 ft Mean mixing ratio: 14.47 g/kg Conv temperature: 39.08 C = 102.34 F Cap Strength: 1.65 C Lifted Index: -4.49 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.80 C Lifted Index @700 mb: -0.51 C Showalter Index: -2.32 C Risk: Severe thunderstorms possible Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 20.30 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 220.20 Risk: None Energy Index: -2.98 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1779.74 J/kg Max Up Vert Vel: 59.66 m/s Conv Inhibition (B-): 34.68 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 772.43 mb = 2372.36 m = 7783.23 ft Lev Free Conv (LFC): 707.43 mb = 3122.00 m = 10242.66 ft Equ Level (EL): 137.43 mb = 14786.88 m = 48512.80 ft B at Equ Level: 1772.19 J/kg Max Parcel Lev (MPL): 77.43 mb = 18052.88 m = 59227.88 ft Wind level data Storm motion: 109 at 11 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 ---------------------------------------------------------- 0 985 227 240 7 6.1 3.5 | 270 16 16.3 -0.0 1 977 305 235 6 4.9 3.4 | 270 15 15.2 -0.1 2 945 610 235 8 6.6 4.6 | 266 17 16.8 1.1 3 925 801 235 8 6.6 4.6 | 266 17 16.8 1.1 4 912 914 235 8 6.6 4.6 | 266 17 16.8 1.1 5 850 1457 165 7 -1.8 6.8 | 249 9 8.4 3.3 6 848 1571 160 7 -2.4 6.6 | 249 8 7.9 3.1 7 766 2438 115 12 -10.9 5.1 | 158 2 -0.6 1.6 8 700 3212 30 16 -8.0 -13.9 | 353 18 2.3 -17.4 9 663 3658 75 13 -12.6 -3.4 | 18 7 -2.3 -6.9 10 615 4267 55 21 -17.2 -12.0 | 24 17 -6.9 -15.6 11 570 4877 90 21 -21.0 0.0 | 72 11 -10.7 -3.5 12 500 5940 65 19 -17.2 -8.0 | 31 13 -7.0 -11.5 13 490 6096 65 20 -18.1 -8.5 | 33 14 -7.9 -12.0 14 402 7620 25 11 -4.6 -10.0 | 337 15 5.6 -13.5 15 400 7650 35 10 -5.7 -8.2 | 339 13 4.5 -11.7 16 326 9144 345 19 4.9 -18.4 | 325 27 15.2 -21.9 17 300 9740 320 15 9.6 -11.5 | 307 25 19.9 -15.0 18 263 10668 290 13 12.2 -4.4 | 289 24 22.5 -8.0 19 250 11010 305 16 13.1 -9.2 | 299 27 23.4 -12.7 20 200 12480 300 21 18.2 -10.5 | 296 32 28.4 -14.0 21 150 14270 200 14 4.8 13.2 | 237 18 15.0 9.6 22 127 15240 160 10 -3.4 9.4 | 229 9 6.8 5.9 23 100 16610 90 9 -9.0 0.0 | 340 4 1.3 -3.5 24 74 18288 175 11 -1.0 11.0 | 231 12 9.3 7.4 25 70 18630 290 6 5.6 -2.1 | 289 17 15.9 -5.6 26 50 20630 95 2 -2.0 0.2 | 292 9 8.3 -3.3 27 45 21336 135 13 -9.2 9.2 | 191 6 1.1 5.7 28 30 23800 100 18 -17.7 3.1 | 87 7 -7.5 -0.4 29 27 24384 105 26 -25.1 6.7 | 102 15 -14.9 3.2 30 20 26400 70 30 -28.2 -10.3 | 52 23 -17.9 -13.8 31 17 27432 90 37 -37.0 0.0 | 83 27 -26.7 -3.5 32 10 31010 90 56 -56.0 0.0 | 86 46 -45.7 -3.5 Wind Parameters Mean winds (0-6000m): 78.9 at 14.5 knts Storm direction: 108.9 at 10.8 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 83.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -54.9 tot: -54.9 m^2/s^2 ave: -18.3 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 29.89 Bulk Shear: 59.54 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 ------------------------------------------------------------------------------- 500 235 7 268 16| 0.0 1.2 1.2| 0.0 -4.4 -4.4 -8.8 -0.36| 3.0 -1.1 1000 229 8 265 16| 0.0 2.9 2.9| 0.0 -18.1 -18.1 -18.1 -0.54| 4.3 -2.3 1500 214 7 260 15| 0.0 3.6 3.6| 0.0 -22.6 -22.6 -15.1 -0.45| 4.8 -2.1 2000 190 8 250 12| 0.0 3.9 3.9| 0.0 -26.7 -26.7 -13.4 -0.48| 4.9 -2.4 2500 162 9 237 9| 0.0 4.1 4.1| 0.0 -31.1 -31.1 -12.5 -0.56| 6.0 -3.4 3000 135 10 224 5| 0.0 3.8 3.8| 0.0 -54.9 -54.9 -18.3 -0.56| 7.3 -4.1 4000 89 11 17 4| 1.4 3.9 5.3| 20.9 -56.2 -35.3 -8.8 -0.29| 8.0 -2.3 5000 83 13 30 6| 2.0 3.1 5.1| 60.8 -64.0 -3.2 -0.6 -0.12| 7.9 -1.0 6000 79 14 32 7| 1.7 2.9 4.6| 61.6 -86.9 -25.3 -4.2 -0.19| 7.3 -1.4 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250506.12.gif