Weekly Weather Highlights: 16 to 22 Jan 2017

Barry Keim/ State Climatologist / keim@lsu.edu


...Frontal Rains All Week, 5 Tornado Reports, and Exceptional Warmth...


*      Louisiana was in the warm sector of a cyclone on 16 January, bringing warm and humid conditions, as well as rain.

*      A cold front moved half-way across Louisiana before stalling on 17-19 January. This situation brought more rain to the State.

*      On 20 January, the State was again in the warm sector of a rapidly-approaching cyclone. Thunderstorms were prevalent, hail was reported in Allen and Jefferson Davis Parishes, and wind damage was documented in Allen Parish.

*      The cold front and its associated squall line swept across Louisiana on the 21st bringing additional severe weather. Hail was reported in Bossier, Caddo, Catahoula, Grant, La Salle, Orleans, Union, and Webster Parishes. Wind damage was reported in Bossier, Jefferson, La Salle, Morehouse, Natchitoches, and Union Parishes. Lastly, tornadoes were reported in Bossier (EF2 with 1 injury), 2 in Natchitoches (EF2 with 1 injury and the other unknown), 2 in Grant (both EF1 with one tornado with 1 injury), and LaSalle (EF1).

*      For the week, Statewide precipitation averaged 3.40 inches, which was 2.05 inches above normal.

*    For the week, Statewide temperature averaged 66 degrees F, which was 17 degrees F above normal. This is among the largest weekly temperature departures that I can remember. The largest being 19 degrees over Christmas week 2015.


Weekly Report in PDF Format.

Weekly NASS Weather Summary: Selected Stations

Weekly LOSC Weather Summary: Expanded Listing

Weekly KBDI Maps: regional display based on approximately 50 stations

Weekly Topsoil Maps: parish assessments provided by LSU Extension agents