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Item G01M C ounty of f Monroe ELj » °o � BOARD OF COUNTY COMMISSIONERS /� r i � �� Mayor George Neugent, District 2 The Florida. Ke Se y I Mayor Pro Tern David Rice, District 4 Danny L. Kolhage, District I Heather Carruthers, District 3 Sylvia J. Murphy, District 5 County Commission Meeting November 14, 2017 Agenda Item Number: G.1 Agenda Item Summary #3557 BULK ITEM: No DEPARTMENT: County Administrator TIME APPROXIMATE: STAFF CONTACT: Lindsey Ballard (305) 292 -4443 10:00 AM AGENDA ITEM WORDING: A brief report by the National Weather Service about services provided to Monroe County during Hurricane Irma. ITEM BACKGROUND: PREVIOUS RELEVANT BOCC ACTION: CONTRACT /AGREEMENT CHANGES: N/A STAFF RECOMMENDATION: DOCUMENTATION: FINANCIAL IMPACT: Effective Date: Expiration Date: Total Dollar Value of Contract: Total Cost to County: Current Year Portion: Budgeted: Source of Funds: CPI: Indirect Costs: Estimated Ongoing Costs Not Included in above dollar amounts: Revenue Producing: If yes, amount: Grant: County Match: Insurance Required: Additional Details: REVIEWED BY: Bob Shillinger Budget and Finance Maria Slavik Kathy Peters Board of County Commissioners Completed 10/30/2017 7:48 PM Completed 10/31/2017 8:05 AM Completed 10/31/2017 8:21 AM Completed 10/31/2017 8:44 AM Pending 11/14/2017 9:00 AM p� HF NWS Florida Keys g a o k � OF A Brief Review of Hurricane Irma Measurements, Impacts, and Decision Support Services for Monroe County, Florida Jon Rizzo Acting Meteorologist -in- Charge NOAH /National Weather Service Florida Keys �EATy Hurricane Irma Ke Li Hi s t o a Florida Hurricane Irma Keys Hurricane Irma Landfall hen: 9:10 am EDT Sunday September 10, 2017 here: Cudjoe Key hat: Max Sustained Winds 130 mph (northeast quadrant) Min Pressure 929 mb (29.43 inches) urricane Irma Hurricane Irma - st Category 4 in 13 years to strike Florida, and second (to irvey) to strike the United States. - st Category 4 in 57 years to strike the Florida Keys directly. - st Category 4 in 98 years to strike the Lower Florida Keys.* a Florida loom" Hurricane Irma Keys Sta tis tics Teter of sustained hurricane force winds: 115 miles - 35 miles for Charley (2004); the area impacted by sustained hurricane winds 10 -times as large as Charley's Duration at Category 5 Strength (Peak 185 mph or stronger) - Irma (2017): -Allen (1980): - Gilbert (1988): -Wilma (2005) &Labor Day (1935): 78 hours (69 consecutive) 72 hours (30 max consecutive) 24 hours (consecutive) 18 hours (consecutive) a Florida Hurricane Irma Keys /• Wition Hurricane Intensity Maximum Sustained Wind" is a 1- minute average over full marine posure at 33 feet above sea level* - Derived from reconnaissance aircraft measurements - Surface measurements (very limited) ast factors are 20% or less over open water. ast factors can be 40 -50% over land due to friction. Vest Int'I Airport (33 ft): White Street (59 ft): a /FKNMS (49 ft): Key West (33 ft): )eer NWR (20 ft): lence, Big Pine Key (40 ft): Marathon (21 ft): !r Matecumbe (33 ft): argo WWTP (33 ft): 60 mph (2 -min) 70 mph (6 -min) 61 mph (5 -min) 68 mph (15 -min) 62 mph (6 -min) 70 mph (5 -min) 62 mph (5 -min) urricane Irma 94 mph (5 -sec) 91 mph (5 -sec) 90 mph (5 -sec) 89 mph (5 -sec) 120 mph (10 -sec) 120 mph (2 Y2 sec) 93 mph (5 -sec) 93 mph (5 -sec) 85 mph (5 -sec) urricane Irma 1 .8 Damage Indicators; up to 10 Degrees of Damage; Upper, Middle, an .ower Expected Bounds )esigned to relate damage to 3- second wind gust values Jsed for tornado and thunderstorm downburst Nill overestimate values for long- duration events due to cascading allures and secondary airborne debris FUJITA SCALE DERIVED EF SCALE OPERATIONAL EF SCALE F Number F Fastest 1/4 -mile (mph) IF 3 Second Gust (mph) EF Number 3 Second Gust (mph) EF Number 3 Second Gust (mph) 0 4 45 -78 0 65 -85 0 65 -85 1 7 1 -117 1 86 -109 1 86 -110 1 118 -161 2 j 110 -137 1 2 111 -135 1 162 -209 1 3 138 -167 3 136 -165 IF 2Q8 -260 21Q -261 4 168 -199 4 166 -200 5 � 261 -318 2 j 5 11 200 -234 5 1 Over 200 HURRICANE IRMA PEAK WIND GUSTS '1MA1 - DEBA 0 DAMA AS SESSMENTS 911012017 a v a a a v O w a 4 a W a t l Eastern Lower Keys PEAK WIND GUST ESTIMATE .+ Big Pine Key 150 -160 mph r� HIGHEST MEASURED WIND GUST ►`"' - -- Big Pine Key 120 mph RA WS -KEY DEER NWR Imwpw Ord 701a TwreMwJtcf ISSUED AT 6:.00 PM EDT Goosle E1.Lw SILO, NOAA. LJ % Nervy, NGA, UE[3CO I t let a po tin b a y 'y a n 0 O Florida Keys www.weather.gov /key September 30, WEATHER FORECAST OFFICE f facebcok.com /NWSKeyWest V @NWSKeyWest 2 urricane Irma ear vortex forming on the inner edge of intense hurricane eyewalls; simile structure to a tornado, producing long, narrow paths of more intense mage. ey can move quickly along the inner edge of the eyewall, or move very Wy l i k e a cog or gear. spected path from western Scout Key through Big Pine Key north enues, crossing Key Deer Boulevard north of South Street/ South ie Heights. of the of Port her possible paths through Big Pine Shores; possibly captured by storm asers over Park Key. �EATIy Florida Hurricane Irma Ke I I ' torm surge is an abnormal rise of water generated by a storm ver and above the predicted astronomical tide. :'s the change in water level due to the storm. It's a water wel difference, thus it has no reference point. Hurricane Irma STORM SURGE 1 ASTRONOMICAL (LUNAR) TIDE WAVE SET + WAVE RUN -UP TOTAL WATER LEVEL urricane Irma STORM SURGE estimated S TO 8 FEET Cudjoe Key through Duck Key Highest Values were along the south and east shores of Ramrod, The Torches, Big Pine, and Bahia Honda STORM SURGE estimated 3 to 5 feet Conch Key through Ocean Reef, and Big Coppitt through Upper Sugarloaf 'ORM SURGE estimated 2.5 to 3.5 feet Key West through Boca Chi Maximum values 58 to 70 inches above ground level waterfror ots along No Name Channel, north of the Avenues of Big Pin( Key, likely include substantial wave set. ►ng Beach Road residences (Big Pine Key) had wave wash mar up to 20 feet above mean high water. have set likely contributed to high water levels along Marathoi Key Colony Beach, Duck Key, Layton through Islamorada, Tavernier, Rock Harbor and Key Largo. Hurricane Irma Hurricane Harvey fresh on our minds, i first "informational" notice was sent to ICEM 8 days before the Hurricane Watch was issued for the Florida Keys ether Information Brief - Monroe Co EM - Wed Aug 30 2017 Jonathan Rizzo - NOAA Federal <jonathan.rizzo @noaa.gov> to Marty, Shannon - Greetings, Attached is an information -only weather briefing for Monroe County Emergency Management concerning newly - formed Tropical Storm Irma No concerns for tropical cyclone impacts at this time through at least the middle of next week. C Aug 30 /11 Due to the forecast track to make a significant amount of the journey across the Atlantic and expectation of achieving hurricane strength, increasing monitoring of Irma is expected as we progress through next week. You may contact weather operations at 305 -295 -1316 x3 if you have any questions. a AM Mon, a AM ae� 8 PM Thu t 4 Q ©� II AMWetl © fiAM TR �a AM SYn SN %W dOW. 70W 60W' s. • SOW 40W 30W Tropical Storm Irma Current information: x Forecast positions: NJpdposday AUBu6130. 201] C-1.1 Ix11- 164NV W er --Cy— 0Po5VPolMWTC 1 i AM AST Adnao•r 1 MA•�myM sUata�nad -W W mpn SUal 1 rn.MS: 0 � 09 mpn NWS Nn .1 NUrry —,. o � m COn IUr ­r—ph H l .Ilempx M,110. Inbox x Potential treek area Watches: Wemingie CUTWrt Wind extent: C e_, -2 nn,.,� ��,r „�.,- r, - ��- ,��,�T -1- T .11m urricane Irma Jon :ormal briefing was provided to all iergency Managers serving Monroe unty on Friday, September 1st. �Q�10- EATkEr�s,fi'P r a �fi ? A 4 RrM FNT OF GOM�t,; .. National Weather Service WFO Florida Keys 305 -295 -1316 Monroe County Informational Weather Briefing Concerning Hurricane Irma in the East Atlantic Issued Sep 1, 2097 — 11:30 am EDT For: Emergency Managers serving the Florida Keys No impacts beyond normal summertime rainy season weather are expected in the Florida Keys of Monroe County through the Labor Day weekend and at least through much of the next work week. There remains plenty of time to monitor the progress of Irma. Unless significant forecast changes occur, expect increasing NWS monitoring and weather brief frequency beginning Labor Day, September 4rn urricane Irma TN L e 3501 x AL CA i. r 30N 25N -, - 20N 0 15N 10N 8 AM Tuel 90W 85W 80W 75W 70VY 65W 60W 8 AM Sat 0 Q Q T11 AM F 8 AM Sun 8 AM Mon SOW 45W 40W 35W Hurricane Irma Current information: x Forecast positions: Friday September 01- 2017 Center location 18.5 N 37.8 W *Tropical Cyclone Q Post/1 11 AM AST Advisory 9 Maximum sustained wind 110 mph Sustained winds. D < 39 r NWS National Hurricane Center Movement WNW at 13 mph S 39 -73 mph H 74 -110 mph f Potential track area: Watches: Warnings: Current wind e Day 1 -3 Day 45 Hurricane Trop Sim -HUmcane MTrop S MHurricane T ngs transitioned from e -mail to full media conference, and expanded to all rtments and divisions on Labor Day, National Weather Service WFO Florida Keys 30s -295 -1316 ounty Informational Weather Briefing Ting Hurricane Irma in the central Tropical Atlantic Issued September 4, 2017— 9:34 am EDT gers, First Responders and Emergency Support Functions se"Ingthe renal summertime rainy season weather are expected in the Florida y through Thursday. rable uncertainty with the track of Hurricane Irma beyond Day 5, and determine the extent of direct impacts on the Florida Keys. However, fldence that it will remain a large and dangerous hurricane through forecast paint. The 5 -day error track cone may reach some portion of oday. i Keys should closely monitor the latest forecasts on the hurricane urricane Irma HURRICANE IRMA BRIEFING 6:30 PM EDT Monday, September 04, 2017 Prepared by: Jon Rizzo, Warning Coordination Meteorologist WN 25M AM Fri ? N j'° AM Thu elk* �6 O Hurricane Irma 6 AM Wed ___ 9P M Tue 5 PM AST Advisory 22 _^ i NWS National Hurricane Center Movement W al 13 mph 839-73 mph H 74 -110 mph M > 110 mph ©` Watches: Warnings: Current wind extent: Q Q Ta 0 90w'.�­ AM on 8 AM Tue 5W W 65W jow 55W 50W 45W Hurricane Irma Current information: x Forecast positions: Monday September 04, 2017 Ceder tocahon 16 e N 526 W OTropical Cyaone o PosvPolential TC 8 AM AST Intermediale Advisory 20A Maximum sustained no 120 mph Sustained 7W 0 , 39 mph NWS National Huariwne Center Movement WSW at 14 mph S 3973 mph H 74110 mph M , 110 mph Potential track Watches: Warnings: Current wind extent: e � ka area: � W,r 5 oay4 -5 HI,m a Trap St. wMUnranc Mrrep Stm Mriwricane Trop Sim i . I ? N j'° jiPMThu 2 PM Wed Q 2All Wed 1 15 PM Mon Pn �s M F � } ? PM Tue' ' elk* _ i56W +° W 55W W 45W Hurricane Irma Current information: x Forecast positions: Monday September 04.2017 Genler location 15.7 N 544 W 0Tropieal Cyclone OPosvPotenlial TC 5 PM AST Advisory 22 Maximum sustained vend 130 mph Susta netl winds: 0<39-ph NWS National Hurricane Center Movement W al 13 mph 839-73 mph H 74 -110 mph M > 110 mph track area: Watches: Warnings: Current wind extent: r P�otential LJ D.y113 =Day45 P-re Trop Sim IIIIIMun+uin4 =Trap Sim It Hdrrirane -: Trop Sim commits to deploy Warning lination Meteorologist to the Monroe ty EOC. ;day Sep 07 — Hurricane Watch issued. likely area to receive "core" of the cane is near far upper Keys, but age track error at 3 days is over 115 I urricane Irma note: i ne cane cc the size of the - 1AS AL \ t.- $N 'ON �W 9OW r �8ue CA 8 AM Mon F4 t1 Sat 8 AM Sun f ;" is AM Fri 11 AM Thu ` 77 8PMF ��—''—�� .Pq Jams�ke _ 85w' 80W 75W -S 7OW 65W 2 0 Hurricane Irma Current information: x Forecast positions: Thursday September 07, 2017 Center location 20.4 N 69.7 W *Tropical Cyclone Q PosVPolential TC 11 AM AST Advisory 34 Maximum sustained wind 175 mph Sustained winds: D < 39 mph NWS National Hurricane Center Movement WNW at 16 mph S 39 -73 mph H 74.110 mph M > 110 mph I Potential track area: Watches: Warnings: Current wind extent: Day 1 -3 Day 4 -5 Hurricane Trop Sim MHurricane MTrop Sim 01-lundoane Trop Stm ;day Sep 07 — Hurricane Warning issued pm. cal Storm Force Winds due to arrive Saturday morning. urricane Irma r� Note: The cone contains the probable path ( the size of the storm. Hazardous condit o KS UO ox An r a tx Ln 30N r 25N 8 PM Sun Sat 111 PM Thu 8 PM Sat ws 20N 8 PM F -- " 90W 85W 80W 75 65,W V Hurricane Irma Current information: x Forecast positions: Thursday September 07. 2017 Center local on 23.3 N 72,4 W *Tropical Cyclone Q Post)Poteni 11 PM EDT Advisory 36 Maximum sustained wind 165 mph Sustained winds: D < 39 mph NINS National Hurricane Center Movement WNW at 16 mph S 39.73 mph H 74.110 mph M > 1' Potential track area: Watches: Warnings: Current wind eaten Day 1 -3 Day 4 -5 Hurricane Trop Sim =Hurricane MTrop Sim MHurricane Trop Sir V Sep 08 —11 am —Track shifts west, gyred on Middle Keys concerns significant potential for mum winds and surge at Marathon V Sep 08 — 5 pm — Forecast track ors between Marathon and Key West urricane Irma a N18 � AL � On 0.A l 30N 8 AM Mon 25N ��,onnmas 8 AM Sun AM Fri 8 PM Sat - © 8 AM Sat - 20N - 90W 85W 80W 75W 70W Hurricane Irma Current information: x Forecast positions: Friday September 08, 2017 Center location 22.0 N 75.3 W *Tropical Cyclone Q Po 11 AM EDT Advisory 38 Maximum sustained wind 150 mph Sustained winds: D a 3 NWS National Hurricane Center Movement WNW at 14 mph S 39 -73 mph H 74 -110 mp Potential track area: Watches: Warnings: Current wins ®Day 1 -3 t .7 v ,-:� - . Day 4 -5 Hurricane Trop Sim -Hurricane -Trop Sim MHurricane light Friday to Saturday — Coordination 'en the deployed WCM and NWS a Keys' Bravo Shift Coordinator uses confidence in timing of tropical i force winds as first rainbands move gh. Saturday Sep 09 Advisory — 5 am — i st track is "locking" over Lower Keys :he narrowing cone suggesting the of Irma w i l l be well west of Ocean urricane Irma am &Note: he cone contains the probable path o1 the storm center but do( size of the storm. Hazardous conditions can occur outside of th 1,111111111111111111111111111 ME MS AL V' LA 3ON -`� 2 AM Mon 25N f 2 PM $un ahemaa f A 2 AM Sun'" 20N ' A 95W 90W f' 85W BOW 75W 70 Hurricane Irma Current information x Forecast positions Saturday September 09, 2017 Center location 22.5 N 7B.8 W *Tropical Cyclone Q R 5 AM EDT Advisory 41 Maximum sustained wind 155 mph Sustained winds: D < NWS National Hurricane Center Movement WNW at 12 mph S 39-73 mph H 74 -110 mt Potential track area: Watches: Warnings: Current win IL-1[r.; i a (�Day 4 -5 Hurricane Trop Sim 'Hurricane W Trop Sim MHurricane Jay and early Sunday focus evolves to -term and immediate life- safety - Tornado threat in rain bands - Tropical Storm, then Hurricane force - Storm Surge evolution - Core of "extreme" major hurricane winds urricane Irma B 2 AM Wed , vp �K o nc A – M+ — – sc Mon LA ,f r I AM Mon 25N -5A ■ 10OW '95W , . Sow 85W BOW 75W ~ ^ 74 Hurricane Irma Current information: x Forecast positions: Sunday September 10, 2017 Center location 24.1 N 81.5 W $Tropical Cyclone Q Post/Poten 5 AM EDT Advisory 45 Maximum sustained wind 130 mph Sustained winds: D < 39 mph NWS National Hurricane Center Movement NW at 8 mph S 39 -73 mph H 74 -110 mph M > 1' Potential track area: Watches: Warnings: Current wind exter Day 1 -3 (� Day 4 -5 Hurricane Trop Sim MHurricane M7rop Sim MHurricare Trop Su 3y Sunday focus shifts toward timing of wing weather conditions - First assessments - Support to search - and - rescue art with the "second surge" of Florida nd decrease from strong -, to weak -, to t- tropical storm force winds. urricane Irma 6 Is MO KY VA OK 35N AN - PM 8AMWed, Mart - r A 1 M Zue a 30N F� 8 AM Mon 11 AM 25N � � r 0 100W 95W 90W 85W _SOW 75VIf 7tlV Hurricane Irma Current information: x Forecast positions: Sunday September 10, 2017 Center location 25.0 N 81.5 W *Tropical Cyclone Q Post 11 AM EDT Advisory 46 Maximum sustained wind 130 mph Sustained winds: D < 39 NWS National Hurricane Center Movement N at 9 mph S 39 -73 mph H 74.110 mph Potential track area: Watches: Warnings: Current wind �Dayl -3 (�Day4 -5 Hurricane Trop Sim =Hurricane M Trop Sim MHurncane very Focus — Safety of Responders - Heat index 102 -107 urricane Irma - No lightning threats _; - NE PA ON L OH - Except for a few showers, very little KS Mo w� w KY VA ficant rainfall in the first few days TN OK D A!C 35N AR -- - — u light for maritime SAR rx 2P u M .4 �a - Winds very Y g � , } � ®_ - Visual Flight Rules (VFR) for areal a °" ^ __ -��c M FL and surveys ° urologist detailed to Logistics to support initial actions. Returned to NWS office mid - afternoon i, Sep 15t" after office communications were illy restored. 100W 95W 90W 85W 80W 7SW Hurricane Irma Current information: x Forecast positions Monday September 11, 2017 Center location 28.9 N 82.6 W *Tropical Cyclone O P< 5 AM EDT Advisory 49 Maximum sustained wind 75 mph Sustained winds: D < : NWS National Hurricane Center Movement NNW at 18 mph S 39 -73 mph H 74 -110 mF Potential track area: Watches: Warnings: Current win ©Days -3 t�-�'-.��'- Day4 -5 Hurnc sic Trop Sim =Hurricane M Trop Stm MHurncane IN urricane Irma USGS High Water Mark Viewer https://stn.wim.usgs.gov/FEV/#IrmaSeptember2Ol7 ssesme,t TL 9.12 2017 - Googl DDrive m 1. �. + OGreenvil.• 1 =MAP LAYERS September 2017 - hdIS515SIFFl �°� �, rrolumlrna _ '.017 thru 30 Sep 2017 c ° , -, I1T 17 Real -lime Date t min, ° "' Atlanta . aHr.Lnc. 0 ` Real -time stream gage layer only available at zoom level 9 and above Please zoom in to view BASEMAPS > FILTERS > I� Int Filters September 2017 GET DATA > w1M c° ALABAMA 'r Monl%mefy GEORGIA e ° .larFsm r _ r 1.11-1551FFI p L A l N A w I A 1 c � aton Rouge o lallahassew Hew Orleans I<m4 Guff of Mexico 1:9,244,649 1 6 35.2456 1 - 89.6924 N assau BAHAMAS 0 j L Real -time Stream Gape 0 A Rapid Deployment Gage Observed Data 0 Barometric Pressure Sensor O 0 Storm Tide Sensor 0 0 Meteorological Sensor 0 0 Wave Height Sensor 0 + High Water Mark Interpreted Data 0 # Peak Summary HIGH WATERMARK I IRMA SEPTEMBER 2017 STN Site No.: FLMON22580 Elevation(ft): 6.939 Datum: NAVD88 Height Above Ground: 4.4 Approval status: Approved Type: Debris Marker: Nail Quality: Good: +/- 0.10 ft Waterbody: Atlantic Ocean County: Monroe County State: FL Latitude, Longitude 24.6715,-81.3399 (DD): Description: HIGH -WATER Mark in i living -room of second from West apartment of apartments. ARBITRARY ELEVATION. Full data link: HWM data page Havana 0 urricane Irma NOAA Overflight Imagery https://storms.ngs.noaa.gov/storms WA Imagery o Aw t a D-1-ad - 5 c-,lct T Everglades Nafienal Par4 9 � 0 1' T N Z�:� M nomd _6K[�NeR loge, irma/index.htmi urricane Irma Insurance Institute for Business &Home Safety https: / /disastersafetv.org/hurricane IBHS conducted the first high -wind test of commercial structures inside its Research Center. The test was intended to compare and contrast the high -wind performance of full -scale commercial strip mall —type structures; one was built using common construction practices and the other was built using stronger, safer wind - resistant elements. Actual high -wind events modeled after actual thunderstorm and hurricane conditions were simulated using IBHS' 105 -fan array. CONTINUE READING --) p� HF NWS Florida Keys g a o k � OF A Brief Review of Hurricane Irma Measurements, Impacts, and Decision Support Services for Monroe County, Florida NOAH /National Weather Service Florida Keys 1315 White Street Key West, FL 33040 305 - 295 -1316