2012 AASC Meeting

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2012 AASC Meeting2012 AASC Meeting

LOUISIANA OFFICE of STATE CLIMATOLOGYLouisiana State University

Dept. of Geography & Anthropology Baton Rouge, LA 70803 (225) 578-6870 -- Office (225) 578-2912 -- FAX

Kyle BreheUser ServicesMoe Moreau NWS Liason

• Handle Hundreds of Data Requests Annually• Give Hundreds of Media Requests Annually• Contribute to the RISA-Southern Climate Impacts

Planning Program (SCIPP)• Perform Applied Research

THREE EXAMPLES OF RECENT RESEARCH

•Nashville, TN Storm of May 1-2, 2010 – w/ AWA

•Rainiest TSs and Hurricanes in the Eastern US

•SURGEDAT – Storm Surge Database

Nashville, TNMay 2010

Wilks-Barre, PA June 1972 (H Agnes)

Bolivar Peninsula, TX September 2008 (H Ike)

Nashville Storm and FloodingMay 1-2, 2010

Deep Trough – W./C. US * Slow Moving Cold Front * Strong Advection off of Gulf

Geographical Pattern of Rainfall Across Tennessee, May 1-2, 2010

Peak near Brownville at 19.71”

Depth-Area-Duration Table for Point of Maximum Rainfall

Nashville, TN Brownsville, TN

Return Frequencies of the Tennessee Storm May 1-2, 2010

Year NAME Vol (km3) VolRank Area(KM2) AreaRank Distance

(km) DistRank Speed (km/h) SpeedRank

1972 AGNES 113 1 1107049 4 1829 39 23 56

2008 IKE 96 2 1283524 1 2912 3 20 83

1985 JUAN 84 3 920704 9 2146 26 16 128

1999 FLOYD 75 4 780562 17 2335 22 30 30

1989 ALLISON 73 5 506404 61 337 177 9 184

1979 DAVID 69 6 1105424 5 2314 23 26 46

1961 CARLA 67 7 825508 14 1386 79 14 146

1960 DONNA 65 8 862436 11 2827 6 30 28

2002 ISIDORE 59 9 537264 52 1212 88 17 124

2010 HERMINE 57 10 1252800 3 1046 100 22 70

Wettest TSs and Hurricanes in the U.S. 1960-2011 in Water Volume (192 Storms)

From: David Roth, Hydrometeorological Prediction Center, NCEP, NOAA

Storm Tracks and Rainfall Patterns for Hurricanes Agnes and Ike

SURGEDAT – The World’s Most Comprehensive Tropical Storm Surge Database

Map of Surge Activity along the U.S. Gulf Coast

SURGEDAT utilized 70 sources of surge data (U.S. Gulf Coast)

Federal Government: 28

Books and Academic Publications: 23

Historic newspapers: 16 titles3,120 pages of newspaper read

Top 10 Storm Surges in the Gulf of Mexico 1880-2009

Rank Surge (ft) Storm Year Peak Loc.

1 27.8 Katrina 2005 Pass Christian, MS

2 24.6 Camille 1969 Pass Christian, MS

3 20.0 Galveston 1900 Galveston, TX

3 20.0 Labor Day 1935 Long Key, FL

5 18.5 Carla 1961 Port Lavaca, TX

6 18.2 Eloise 1975 Dune Allen Bch, FL

7 18.0 Beulah 1967 South Padre Is, TX

8 17.5 Ike 2008 Chambers Co., TX

9 17.0 New Orleans 1915 Southeastern LA

10 16.0 Cheniere Caminada

1893 Cheniere Caminada, LA

10 16.0 Unnamed 1919 Corpus Christi, TX

SRCC linear regression for Gulf Coast storm surges

Return Period (years)

SRCC Surge Level(meters)

SRCC Surge Level (feet)

100 8.20 26.90

50 7.22 23.69

25 6.24 20.47

10 4.95 16.24

5 3.97 13.02

2 2.67 8.76

Storm Surge Quantiles for U.S. Gulf Coast

Building Full Envelopes of Storm Surge: Example Hurricane Ike