Document: NRC Regulatory Guide
Document ID: c7b1689b-ff17-4083-9fb1-f91b6965ea1a
Document Type: regulatory_guide
Title: Design Basis Floods for Nuclear Power Plants + HISTORY - HISTORY 02/2022 – DG-1290 , Proposed Revision 3 09/2014 – Periodic Review of Revision 2 – Revise 07/1980 – Errata to Revision 2 07/2024 – DG-1290 Revision 1 (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740388.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.59
CFR Part: 
CFR Title: 

Content:
EVEL LOCATION SANTA ROSA LIT. 30 023.769 LONG. 86"37.7': TR"AVERSE-AZIMUTH 183 =BflE&# LQWGTH 4e4.7 NAUTICAL MILES ISLAND, AUEAZAM l.A Note: Maximum wind speed is assumed to be on the traverse that is to right of storm track a distance equal to the radius to maximum wind. - Initial distance is.-distance along tra .verse from shoreline to maximum wind when leading 20 mph isovel intersects shoreline. Storm diameter between 20 mph isovels is approxi mately double the initial distance. PROBABLE MAXIMUM HURRICANE INDEX CHARACMh~ISTICS ZONE B AT LOCATION 300 24' DNEGR N0ORTH PARMLERDESIGNATION$ SLOWV I40DM1TFI HIGH , (sr) (N) (T CENTRAL PRESSURE INDEX P0 INCHES .26.88 26.88 26.88 PEtWIPERAL.PRESSURE in IziCi~s 31.20 310 3.2 RADIUS TO MAXIMUM WIND IARGE RADIUS HAUT. MI. 29 29 29 fAnWSIATION SPEED ? (FMonAiiD SPEED) KNOTS 4 11 28 MIAXIMUM WIND. SPEED V XMeP9*H 140 144 153, INITIAL DIST&NCE-NAUT.H 2 '8 9 PRtOM 20 MPH WIND 47 '9 KT SHORE TO MAX. WIND 1___ - PMH OMPUTATI0NAL GOiFFICILUT AND WATER LLY&i (SURiGE) ESTIMATES C 0 E F. F I C I E N T S 10rj'0M FRIICTION FACTORB 0.0030 WIND MSTRSS COURiCYIO FACTOR 1.10 WATEft LEVEL DATA (AT OPENI COAST SI RELINE) PKH SPEED OF TRANSLATIOIb COMPONENTS ST I T H ___ __E F ET WIND SETUJP 9.12 PRESSURE SETUP 3.25 INITIAL WATER LEV* 1.50 LSTROHORIC&L 2.10 riDE LEVEL lOTAL-SURCE STILL WATER LEV. 15.97 ý=7I MLW ___ C OCEAN BED PROFILE .TRAVERSE WATER DISrANCE DEPTH FROM BELOW swagR HMW Nt .AUT.H. LF2TL 0 0 S 0.2 22 S 0.5 5 : 1.0 66 1.5 66 290 66 - 3.0 73 5.0 76. 10 88 - 15 120 20 182 30377 40 510 - 45 600. - 0 756 LATITUDE 3601-36 DEG~REE AT TRAVERSE MID-POINT FROM SHORE ro600-F DEPTH K Q LOCATIONPITTs CREEK LAT. 30001.1' LONG. 83"" FLORIDA Note: Maxima wind speed Is assumed to be on the traverse that is to right of storm track a distance equal to the radius to maximum wind. -/Initial distance is distance along traverse from shoreline to maximum wind when leading .20 mph isovel intersects shoreline. Storm ,diameter between 20 mph isovels is