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:
e is distance along traverse 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. .P Ius PROBABLE MAXIMUM HURRICANE I .DEX gCKRACTISTICS ZONE 1 AT IOCATION 250 47.2 DEGREE NORTH PARAM ~ ~ SPEE OFIG~TIN IO 1• PARAMETER DESIGNATIONS S IlW HODERATF HIGH ... (ST) (MT) CHT) CENTAL PRESSURE INDEX P INCS 26.09 26.09 26.0 PERIPHEAL PRESSURE Pn INCHES 31.30 31.30 31.0, RADIUS TO MAXIMUM WIND LARGE RADIUS NAUT.MI. 1 14 14 TNSLATION SPEED F (FORWARD SPEED) OTS 1 4 13 17 WMUM WIND SPEED v M.P.H. 152 156 160 INITIAL DISTANCE-NAUT.MI.YJ ROM 20 MPH MWIND 274 258 243 AT SHORE TO MAX, WND - PMH CCMPUTATIONAL COEFTICIENT AND WATER LEE (SURGE) ESTIMATES CON? I CI ENTS WFIVM1X FRICTION FACTOR 0.0025 WIND STRESS CORRECTION FACTOR 1.10 WATER LEVEL DATA (AT OPEN OCAST SMFRNLINN) PMH SPEED OF TRANSIATION COMPONENTS ST 1I ' HT S.. [ F E E T WIND SETUP 2.06 2.37. 2.51 PRESSURE SETUP 3.97 3.82 3.90 INITIAL WATR LEV. 0.90 0.90 0.90 ASTRONOM.ICAL 3.6o 3.60 3.60 ITDE LEEL ff UAL-SURGE STILL WATER IJS. 10.53 10.68 10.91 =V - - - TABLE C.11 SUM •Y-P~iRTINr PROBABLE M&XIMVP. WIRICANS (PMH), STORM SUNG•r, COMPUI•ATIOMAL rATA AND RESULTANT WATER LEVEL. LOC&TIONJACKSONVILLELAT. 300 21' LONG. 81" FLORIDA PRORARL/ MAXIMUM HURRICANE IND12 CHARACTIhISTICS ZONE 2 AT LOCATION 300 21' nwRHU NOMTH AN EG N OF Q ITR ATION P ETER ESIGNATIONS LOW HODEATF HIGH C01TH&L •PRESSUR INDEX P0 INCHES 26.67 26.67 26.6? PENIPHHEAL PRESSURE -P INCHES 31.21 31.21 31.21 ADIUS 1• MAXIMUM WIND LAE RAMDUS NAUT. MI. 38 38 38 TIOU SPEED v(FORWARD SPEED) KNOTS 1 4 11 22 MAXIMUM WIND SPEED vX M.P.H. 138 142 149 INITIAL DIMtNCE-NAJT*.HIJI PROM 20 MPH WIND 407 372 334 kT SHORE TO MAX. WIND 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. 1Y/Initial distance is distance along traveree froe shoreline to maximum wind when leading