UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for MMVA... Searching the city database file for: MMVA ... Date:0000Z 8 DEC 25 Station: MMVA WMO ident: 76743 Latitude: 17.98 Longitude: -92.94 Elevation: 10.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1009 10 31.4 26.4 75 5.0 27.6 65 3 303.8 307.8 300.5 369.4 21.95 1 1000 92 29.8 21.8 62 8.0 24.0 45 8 303.0 306.0 297.1 352.3 16.66 2 925 784 23.2 20.7 86 2.5 21.4 70 10 303.0 306.1 297.3 353.0 16.84 3 850 1517 20.0 11.0 56 9.0 14.2 95 6 307.1 308.9 293.4 336.6 9.74 4 700 3161 9.6 3.6 66 6.0 6.1 150 6 313.1 314.5 293.1 335.3 7.10 5 500 5880 -4.5 -32.5 9 28.0 -11.5 80 6 327.6 327.7 291.5 329.4 0.50 6 400 7600 -15.5 -43.5 7 28.0 -20.1 300 16 334.8 334.9 293.2 335.6 0.20 7 300 9700 -31.1 -52.1 11 21.0 -32.9 225 14 341.5 341.6 294.8 342.0 0.10 8 250 10970 -41.7 -58.7 14 17.0 -42.5 210 16 344.1 344.1 295.3 344.3 0.06 9 200 12440 -53.7 -67.7 16 14.0 -53.9 225 29 347.7 347.7 296.1 347.8 0.02 10 150 14230 -66.7 -77.7 20 11.0 -66.8 240 49 355.2 355.2 297.7 355.2 0.01 11 100 16590 -78.9 -86.9 26 8.0 -78.9 235 29 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 563.83 mb = 5012.23 m = 16444.14 ft Wetbulb zero: 630.67 mb = 4003.78 m = 13135.61 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 52.60 % Est. max temperature: 34.23 C = 93.61 F Sfc-Lift cond lev (LCL): 939.41 mb = 646.80 m = 2122.03 ft T: 24.51 C 700-500 lapse rate: 5.19 C/km ThetaE index: 23.60 C Layer 850.0- 400.0 mb Conv cond level (CCL): 835.50 mb = 1662.71 m = 5455.03 ft Mean mixing ratio: 16.84 g/kg Conv temperature: 35.28 C = 95.51 F Cap Strength: 1.65 C Lifted Index: -2.64 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.40 C Lifted Index @700 mb: -1.85 C Showalter Index: 3.74 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 15.50 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 150.00 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1364.37 J/kg Max Up Vert Vel: 52.24 m/s Conv Inhibition (B-): 49.46 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 891.48 mb = 1103.98 m = 3621.93 ft Lev Free Conv (LFC): 776.48 mb = 2283.02 m = 7490.14 ft Equ Level (EL): 156.48 mb = 13966.89 m = 45822.57 ft B at Equ Level: 1351.45 J/kg Wind level data Storm motion: 122 at 4 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 1009 10 65 3 -2.7 -1.3 | 354 3 0.3 -3.2 1 1000 92 45 8 -5.7 -5.7 | 19 8 -2.6 -7.6 2 943 610 60 8 -6.9 -4.0 | 33 7 -3.9 -5.9 3 925 784 70 10 -9.4 -3.4 | 50 8 -6.3 -5.4 4 880 1219 85 6 -6.0 -0.5 | 50 4 -2.9 -2.5 5 850 1517 95 6 -6.0 0.5 | 64 3 -2.9 -1.4 6 849 1524 105 6 -5.8 1.6 | 82 3 -2.7 -0.4 7 819 1829 100 6 -5.9 1.0 | 73 3 -2.9 -0.9 8 790 2134 100 4 -3.9 0.7 | 36 2 -0.9 -1.2 9 762 2438 145 4 -2.3 3.3 | 210 2 0.8 1.3 10 735 2743 130 6 -4.6 3.9 | 141 2 -1.5 1.9 11 709 3048 155 8 -3.4 7.3 | 176 5 -0.3 5.3 12 700 3161 150 6 -3.0 5.2 | 181 3 0.1 3.3 13 684 3353 150 4 -2.0 3.5 | 215 2 1.1 1.5 14 658 3658 95 2 -2.0 0.2 | 329 2 1.1 -1.8 15 634 3962 95 4 -4.0 0.3 | 30 2 -0.9 -1.6 16 588 4572 65 2 -1.8 -0.8 | 336 3 1.2 -2.8 17 566 4877 30 2 -1.0 -1.7 | 331 4 2.1 -3.7 18 545 5182 150 2 -1.0 1.7 | 276 2 2.1 -0.2 19 525 5486 335 2 0.8 -1.8 | 314 5 3.9 -3.7 20 506 5791 85 6 -6.0 -0.5 | 50 4 -2.9 -2.5 21 500 5880 80 6 -5.9 -1.0 | 44 4 -2.9 -3.0 22 486 6096 50 2 -1.5 -1.3 | 335 4 1.5 -3.2 23 467 6401 320 2 1.3 -1.5 | 309 6 4.3 -3.5 24 415 7315 320 10 6.4 -7.7 | 315 13 9.5 -9.6 25 400 7600 300 16 13.9 -8.0 | 300 20 16.9 -9.9 26 399 7620 295 14 12.7 -5.9 | 297 18 15.7 -7.9 27 367 8230 280 6 5.9 -1.0 | 288 9 9.0 -3.0 28 352 8534 170 12 -2.1 11.8 | 186 10 1.0 9.9 29 324 9144 180 10 0.0 10.0 | 201 9 3.1 8.1 30 311 9449 205 12 5.1 10.9 | 222 12 8.1 8.9 31 300 9700 225 14 9.9 9.9 | 238 15 13.0 8.0 32 285 10058 245 12 10.9 5.1 | 257 14 13.9 3.1 33 273 10363 235 12 9.8 6.9 | 249 14 12.9 4.9 34 261 10668 250 14 13.2 4.8 | 260 16 16.2 2.9 35 250 10970 210 16 8.0 13.9 | 223 16 11.1 11.9 36 239 11278 200 19 6.5 17.9 | 211 19 9.6 15.9 37 218 11887 220 19 12.2 14.6 | 230 20 15.3 12.6 38 200 12440 225 29 20.5 20.5 | 232 30 23.6 18.6 39 171 13411 215 31 17.8 25.4 | 222 31 20.8 23.5 40 150 14230 240 49 42.4 24.5 | 244 51 45.5 22.6 41 148 14326 245 49 44.4 20.7 | 248 51 47.5 18.8 42 114 15850 250 29 27.3 9.9 | 255 31 30.3 8.0 43 102 16459 210 31 15.5 26.8 | 217 31 18.6 24.9 44 100 16590 235 29 23.8 16.6 | 241 31 26.8 14.7 45 97 16764 235 29 23.8 16.6 | 241 31 26.8 14.7 46 92 17069 230 23 17.6 14.8 | 238 24 20.7 12.8 47 78 17983 255 25 24.1 6.5 | 261 28 27.2 4.5 48 74 18288 140 8 -5.1 6.1 | 154 5 -2.1 4.2 49 70 18593 200 12 4.1 11.3 | 217 12 7.2 9.3 50 67 18898 180 18 0.0 18.0 | 191 16 3.1 16.1 51 63 19202 195 8 2.1 7.7 | 222 8 5.1 5.8 52 60 19507 335 6 2.5 -5.4 | 323 9 5.6 -7.4 53 57 19812 40 10 -6.4 -7.7 | 19 10 -3.4 -9.6 54 54 20117 90 6 -6.0 0.0 | 57 4 -2.9 -1.9 55 51 20422 60 10 -8.7 -5.0 | 39 9 -5.6 -6.9 56 49 20726 105 14 -13.5 3.6 | 99 11 -10.5 1.7 57 46 21031 120 18 -15.6 9.0 | 119 14 -12.5 7.1 58 44 21336 85 6 -6.0 -0.5 | 50 4 -2.9 -2.5 59 41 21641 95 12 -12.0 1.0 | 84 9 -8.9 -0.9 60 39 21946 145 14 -8.0 11.5 | 152 11 -5.0 9.5 61 35 22555 160 4 -1.4 3.8 | 223 2 1.7 1.8 62 33 22860 360 6 -0.0 -6.0 | 339 9 3.1 -7.9 63 30 23470 30 8 -4.0 -6.9 | 6 9 -0.9 -8.9 64 29 23774 50 6 -4.6 -3.9 | 15 6 -1.5 -5.8 65 27 24079 45 12 -8.5 -8.5 | 28 12 -5.4 -10.4 66 26 24384 95 8 -8.0 0.7 | 76 5 -4.9 -1.2 67 24 24689 85 6 -6.0 -0.5 | 50 4 -2.9 -2.5 Wind Parameters Mean winds (0-6000m): 92.4 at 4.8 knts Storm direction: 122.4 at 3.6 knts Shear (0-3000m) pos: 2.0 neg: 0.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 179.0 deg Storm rel helicity (0-3000m) pos: 15.0 neg: -1.9 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.5 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 396.60 Bulk Shear: 3.44 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 51 8 23 7| 0.0 5.2 5.2| 5.8 0.0 5.8 11.7 0.56| 7.2 4.0 1000 60 8 34 7| 1.5 2.6 4.1| 11.6 0.0 11.6 11.6 0.57| 6.2 3.5 1500 67 8 39 6| 1.7 1.7 3.4| 12.4 -0.2 12.2 8.1 0.50| 5.2 2.6 2000 74 7 45 5| 1.4 1.3 2.7| 13.0 -0.9 12.2 6.1 0.42| 4.5 1.9 2500 80 7 47 5| 1.8 1.0 2.8| 13.3 -1.3 12.1 4.8 0.39| 4.5 1.8 3000 89 6 59 4| 2.0 0.9 2.9| 15.0 -1.9 13.1 4.4 0.33| 4.6 1.5 4000 97 6 65 3| 1.5 1.4 2.9| 17.6 -1.9 15.7 3.9 0.41| 4.6 1.9 5000 94 5 53 3| 1.2 1.1 2.4| 17.7 -3.5 14.2 2.8 0.31| 4.1 1.3 6000 92 5 45 2| 1.1 1.1 2.1| 28.5 -8.8 19.7 3.3 0.27| 5.0 1.4 Wrote GIF file: /home/apache/climate/data/raob//MMVA/skewt/MMVA.skewt.20251208.00.gif