Heavy snow will continue to spread south along the Rockies through Monday. An area of freezing rain and sleet is forecast to develop over portions of the southern Plains to start the week. Meanwhile, dry and gusty conditions will continue critical fire weather conditions from California into southern New Mexico. Zeta is forecast to become a hurricane tracking north across the Gulf of Mexico. Read More >
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4 Panel Display | Animated Loop Helicity (0-1 Km) This is the 0-1 km (approximately 0-3,000 Ft. AGL) storm relative helicity which is a measure of the amount of low level wind shear available for tornadogenesis. This is not a good indicator of supercell potential which is related more strongly to 0-6 KM vertical shear. Values greater than 100 m**2/s**2, do suggest an increased threat of tornadoes provided a supercell is present. Larger values are generally better, but there are no clear "boundaries" between non-tornadic and significant tornadic supercells. The arrows indicate the approximate right supercell storm motion using the Bunkers technique. |
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