Special Weather Briefing 1/28/2013 Bill Parker Warning Coordination Meteorologist National Weather Service Shreveport, Louisiana

Overview Dual Polarization Radar Upgrade Dual Polarization Radar Upgrade Still ongoing…KSHV will not be available for Tuesday’s Severe Wx event Still ongoing…KSHV will not be available for Tuesday’s Severe Wx event Surrounding NWS Radars will be used to provide warning service Surrounding NWS Radars will be used to provide warning service Spotters Needed Spotters Needed Trained Skywarn Spotters will be valuable during this event Trained Skywarn Spotters will be valuable during this event Severe Wx Event Severe Wx Event A cold front will approach the area Tuesday afternoon… and initiate severe thunderstorm activity with warm moist air ahead of it. A cold front will approach the area Tuesday afternoon… and initiate severe thunderstorm activity with warm moist air ahead of it. SPC currently has all of the area in a Slight Risk Outlook… with much of Southern AR and Northern LA in a Moderate Risk Outlook. SPC currently has all of the area in a Slight Risk Outlook… with much of Southern AR and Northern LA in a Moderate Risk Outlook. Severe Wx Possible: Damaging Winds, Tornadoes, and Large Hail Severe Wx Possible: Damaging Winds, Tornadoes, and Large Hail National Weather Service Shreveport, Louisiana

Dual Polarization Radar Upgrade Still ongoing…A new part failed installation Still ongoing…A new part failed installation New expected date of completion… Thursday January 31 st (tentative) New expected date of completion… Thursday January 31 st (tentative) We will use our surrounding NWS Radars to monitor and provide warning service for tomorrows event. We will use our surrounding NWS Radars to monitor and provide warning service for tomorrows event.

Trained Spotters Please contact us with reports Here’s how… 1.Utilize NWSChat- Our chat room name is shvchat 2.Call our spotter telephone number if you can’t get through on the media line Louisiana folks, feel free to contact us on our R7GOHSEP radio 4.Arkansas folks, feel free to contact us on the AWIN radio channel Or submit a storm report electronically at this website =shv

Monday afternoon Satellite image L L H H

Tuesday Morning(1/29)

Windy on Tuesday mph Winds

SPC Severe Outlook

Main Severe Wx Threats 1) Damaging Winds 1) Damaging Winds 2) Isolated Tornadoes 2) Isolated Tornadoes 3) Heavy rainfall/Large hail 3) Heavy rainfall/Large hail

Timing

Timing

Heavy Rainfall

Summary SHV Radar is still out of service SHV Radar is still out of service Storm Spotters will be especially valuable with this event Storm Spotters will be especially valuable with this event Windy conditions Tuesday in advance of the storm system Windy conditions Tuesday in advance of the storm system Severe weather possible Tuesday afternoon/evening for areas west of a Hope, Ar to Shreveport, La line Severe weather possible Tuesday afternoon/evening for areas west of a Hope, Ar to Shreveport, La line Severe weather possible Tuesday evening/night for areas east of a Hope, Ar to Shreveport, La line Severe weather possible Tuesday evening/night for areas east of a Hope, Ar to Shreveport, La line inches of rain commonly anticipated inches of rain commonly anticipated Visit for the latest forecastwww.weather.gov/shv * * Visit us on Facebook at Us National Weather Service Shreveport Louisiana Follow us on

NEXT CONFERENCE CALL: Thursday, January 10 AM National Weather Service Shreveport, Louisiana