Alert archive / Florida / Flood Watches in 2007
Flood Watch 1, NWS Miami, FL
NWS Miami, FL issued this flood watch at Oct 1, 2007, 8:47 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Oct 1, 2007, 8:47 AM EDT (12:47 UTC)
- Expired
- Oct 2, 2007, 4:04 AM EDT
- In force
- 19 hr
- Issued by
- NWS Miami, FL
- Flood severity
- None
Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 12:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this flood watch went out at Oct 1, 4:01 AM EDT, 4 hours 46 minutes earlier.
Area forecast discussion, Oct 1, 4:01 AM EDT, 4 hours 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
401 AM EDT MON OCT 1 2007
...LOCALLY HEAVY RAINFALL POSSIBLE PALM BEACH/BROWARD/MIAMI-DADE
COUNTIES TODAY...
.DISCUSSION...WATER VAPOR IMAGERY SHOWS A MID/UPPER LEVEL LOW
JUST OFF THE SW FLORIDA COAST WHICH HAS PINCHED OFF FROM THE BROAD
TROUGH. THIS LOW IS MOVING SW AND PLACING THE LOCAL AREA IN A
DIVERGENT AREA ALOFT...AND THIS DIVERGENCE WILL CONTINUE ACROSS
THE AREA THROUGHOUT THE DAY. MEANWHILE...A WEAK LOW NEAR THE
CENTRAL BAHAMAS IS FORECAST TO MOVE WSW ACROSS THE FL STRAITS
THROUGH TONIGHT...THEN EVENTUALLY INTO THE GULF...ACCORDING TO THE
GFS WHICH IS THE FAVORED MODEL OVER THE NAM AS PER HPC. THIS WILL
MAINTAIN A STRONG PRESSURE GRADIENT ACROSS THE AREA TODAY...RESULTING
IN A CONTINUED STRONG NE WIND FLOW. THIS STRONG NE FLOW WILL LEAD
TO EXCELLENT LOW LEVEL CONVERGENCE ACROSS THE EAST COAST METRO
AREAS TODAY...AND WITH THE AFOREMENTIONED DIVERGENCE ALOFT...AM
EXPECTING OCCASIONAL SHOWERS AND SCATTERED THUNDERSTORMS
THROUGHOUT THE DAY.
QUITE AN IMPRESSIVE GRADIENT IN PWAT ACROSS THE AREA EARLY THIS
MORNING...WITH GPS MET DATA SHOWING PWATS RANGING FROM ONLY 0.9
INCHES AT NAPLES TO 2.1 INCHES AT MIAMI. AS THE MID/UPPER LOW
MOVES SW...EXPECT MOISTURE TO OVERTAKE THE ENTIRE AREA FROM EAST
TO WEST TODAY...WITH DEEPEST TROPICAL MOISTURE REMAINING MAXIMIZED
ALONG THE ATLANTIC COAST. LOCALLY HEAVY RAINFALL IS OF
CONCERN...ESPECIALLY GIVEN THE RECENT HEAVY RAINFALL THAT FELL
OVER A LARGE AREA PAST 24 HRS. QPF FROM HPC DEPICTS 1-1.5 INCHES
OF RAIN TODAY ACROSS PALM BEACH...BROWARD...AND MIAMI-DADE
COUNTIES. THIS IS BELOW FLASH FLOOD GUIDANCE...BUT WE WILL HAVE TO
WATCH OUT FOR TRAINING OF CELLS WHICH WOULD LEAD TO LOCALIZED
URBAN FLOODING AND THE NEED FOR AN URBAN FLOOD ADVISORY.
A BROAD SURFACE TROUGH IS EXPECTED TO EXTEND NE FROM THE LOW
TO ACROSS THE BAHAMAS TONIGHT...AND IS FORECAST TO MOVE ACROSS
THE AREA LATER TONIGHT THROUGH TUESDAY. THUS...WENT WITH LIKELY
POPS THIS EVENING TRENDING TO CHANCE POPS LATE AS THE BEST
CONVERGENCE SHIFTS TO THE NORTHWEST.
THE SURFACE TROUGH WILL BE NORTH OF THE AREA MID WEEK...BUT
THE LOCAL AREA WILL BE SITUATED BETWEEN THE MID/UPPER LOW IN THE
GULF TO AN UPPER HIGH OVER THE WESTERN ATLANTIC. THIS WILL RESULT
IN A SOUTHERLY FLOW ALOFT TUE-WED...PULLING DEEP TROPICAL MOISTURE
NORTHWARD. THEN THE UPPER HIGH BUILDS IN FROM THE EAST BUT
MOISTURE WILL BE TRAPPED ACROSS THE AREA. GFS SHOWS PWATS RISING
TO AROUND 2.4 INCHES BY THURSDAY. HOWEVER...LOW LEVEL FORCING
LOOKS TO BE LIMITED ALONG WITH POSSIBLY A GOOD DEAL OF
CLOUDINESS...SO FOR NOW KEPT CHANCE POPS IN THE FCST IN THE
EXTENDED FCST.
&&
.AVIATION...NUMEROUS SHRA AND SCT TSRA WILL CONTINUE TO ROLL
ONSHORE AT THE EAST COAST TERMINALS THROUGH MUCH OF THE DAY.
PRECIP WILL MOVE QUICKLY WITH SPEEDS AOA 20 MPH...SO IMPACTS AT
EAST COAST TERMINALS WILL BE FREQUENT BUT BRIEF EACH OCCURRENCE.
NEVERTHELESS...EXPECT CIGS TO DROP BELOW 3000 FEET AND VSBYS 3SM
OR LESS IN HEAVIEST RAIN. RAIN WILL ALSO BE ACCOMPANIED BY SFC
WIND GUSTS OF 30 KTS AT TIMES. PREVAILING CONDITIONS OUTSIDE RAIN
EXPECTED TO BE VFR...BUT WITH LIKELY MULTIPLE LOW/MID CLOUD
LAYERS...AND CIGS WILL LIKELY BOUNCE BETWEEN 3500 FT AND 12000 FT
PREVAILING. PREVAILING NERLY WINDS WILL BE GUSTY AGAIN OUTSIDE
SHRA WITH 25 KTS PSBL. AT KAPF...VFR CONDITIONS PREVAIL UNTIL MID
MORNING WHEN SHRA/TSRA WILL APPROACH THE TERMINAL. AT THIS POINT
CONFIDENCE TOO LOW TO INCLUDE MORE THAN VCTS. NERLY WINDS SHOULD
GUST 20-25 KTS HERE AS WELL.
&&
.MARINE...NE WINDS WILL PREVAIL IN THE 20 TO 25 KNOT RANGE ACROSS
THE LOCAL WATERS TODAY...EXCEPT SLIGHTLY LOWER ACROSS THE NEAR
SHORE GULF WATERS. SO WILL MAINTAIN THE SMALL CRAFT ADVISORY FOR
ALL BUT THE NEAR SHORE GULF WATERS THROUGH EARLY THIS EVENING.
EXTENDED THE SCA FOR THE PALM BEACH COASTAL WATERS THROUGH
TUESDAY...AS SEAS WILL REMAIN HIGHER THERE DUE TO A MOD-LARGE NE
SWELL. HIGH SURF ADVISORY WILL CONTINUE FOR THE PALM
BEACH COAST TODAY DUE TO THE NE SWELLS EXPECTED. WINDS ARE FCST
TO SUBSIDE DRASTICALLY TONIGHT AS THE TROUGH MOVES INTO THE AREA.
&&
.FIRE WEATHER...PLENTY OF MOISTURE WILL KEEP RHS HIGH THROUGH THE
FCST PERIOD.
&&
.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH 84 76 87 78 / 80 60 50 30
FORT LAUDERDALE 84 77 87 79 / 80 60 50 30
MIAMI 84 77 87 79 / 80 60 50 30
NAPLES 87 72 89 76 / 50 60 60 30
&&
.MFL WATCHES/WARNINGS/ADVISORIES...
FL...HIGH SURF ADVISORY UNTIL 8 PM EDT THIS EVENING FOR FLZ168.
AM...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR AMZ610-
AMZ630-AMZ650-AMZ651-AMZ670-AMZ671.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS FROM 8 PM THIS EVENING
TO 8 PM EDT TUESDAY FOR AMZ650-AMZ670.
GM...SMALL CRAFT ADVISORY UNTIL 3 AM EDT TUESDAY FOR GMZ676.
&&
DISCUSSION/MARINE/FIRE WEATHER...57/DG
AVIATION...65/GSHazardous weather outlook, Oct 1, 5:11 AM EDT, 3 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 511 AM EDT MON OCT 1 2007 FLZ063-066>075-168-172>174-012100- GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 510 AM EDT MON OCT 1 2007 ...HIGH SURF ADVISORY PALM BEACH COAST... ...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES... ...SLIGHT RISK OF FLOODING EAST COAST METRO AREAS... ...DANGEROUS MARINE CONDITIONS TO CONTINUE TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT RIP CURRENTS: NORTHEAST WINDS OF 20 TO 25 MPH WITH A FEW GUSTS OF 30 TO 35 MPH WILL IMPACT THE ATLANTIC BEACHES TODAY. THIS COMBINED WITH A NORTHEASTERLY SWELL WILL LEAD TO A HIGH RISK FOR VERY DANGEROUS RIP CURRENTS AT THE ATLANTIC BEACHES. SWIMMING IS NOT RECOMMENDED DUE TO THE DANGER POSED BY RIP CURRENTS. THUNDERSTORMS: ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE TODAY, WITH THE GREATEST THREAT OVER THE EAST COAST METRO AREAS. FREQUENT CLOUD TO GROUND LIGHTNING, HEAVY RAINFALL, AND GUSTY WINDS ARE LIKELY. WIND: THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 40 TO 50 MPH TODAY. OUTSIDE OF THUNDERSTORMS...SUSTAINED WINDS OF 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS WILL BE LIKELY OVER THE LOCAL WATERS. MARINERS SHOULD EXERCISE EXTREME CAUTION DUE TO WINDS TODAY. FLOODING: PERIODS OF POTENTIALLY HEAVY RAIN ARE POSSIBLE AGAIN TODAY, WITH THE GREATEST THREAT FOR HEAVY RAINFALL BEING ACROSS THE EAST COAST METRO AREAS. THIS MAY LEAD TO MINOR FLOODING OF ROADWAYS AND OTHER POOR DRAINAGE AREAS, ESPECIALLY IN LOCATIONS THAT RECEIVED HEAVY RAINFALL IN RECENT DAYS. WAVES: STRONG NORTHEAST WINDS ALONG WITH A MODERATE NORTHEAST SWELL WILL PRODUCE SEAS UP TO 13 FEET IN THE GULF STREAM THROUGH TODAY. NEAR SHORE SEAS AS HIGH AS 10 FEET WILL BE POSSIBLE, ESPECIALLY ALONG THE PALM BEACH COAST. A HIGH SURF ADVISORY REMAINS IN EFFECT FOR THIS AREA. NEAR SHORE SEAS OF 6 TO 8 FEET ARE POSSIBLE FURTHER SOUTH ALONG THE COASTLINE. MINOR COASTAL EROSION AROUND THE TIME OF HIGH TIDE WILL BE POSSIBLE...ESPECIALLY IN PALM BEACH COUNTY. HIGH TIDE ALONG THE EAST COAST IS EXPECTED BETWEEN NOON AND 1 PM TODAY. SEAS WILL SLOWLY SUBSIDE TONIGHT BUT REMAIN ABOVE 10 FEET IN THE GULF STREAM. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WINDS WILL BEGIN TO SUBSIDE DRASTICALLY ACROSS THE LOCAL WATERS ON TUESDAY. SEAS IN THE ATLANTIC AND OFFSHORE GULF WATERS WILL SLOWLY SUBSIDE THROUGH THIS PERIOD, AND SHOULD FALL BELOW 6 FEET BY WEDNESDAY. OTHERWISE, ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH SATURDAY. THE MAIN THREATS WILL BE LIGHTNING STRIKES AND HEAVY RAINFALL, ALTHOUGH THE STRONGER STORMS MAY PRODUCE WIND GUSTS UP TO 50 MPH ON TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT FLOODING OR RAINFALL AMOUNTS OVER 3 INCHES TO THE NATIONAL WEATHER SERVICE. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI. STRASSBERG
In the hours before
Special weather statement, Oct 1, 3:45 AM EDT, 5 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
345 AM EDT MON OCT 1 2007
FLZ073-074-173-174-010830-
FAR SOUTH MIAMI-DADE COUNTY FL-METROPOLITAN MIAMI DADE FL-
INLAND MIAMI-DADE FL-COASTAL MIAMI-DADE COUNTY FL-
345 AM EDT MON OCT 1 2007
...STRONG THUNDERSTORMS TO MOVE ACROSS MIAMI-DADE COUNTY...
AT 345 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTHEAST OF
AVENTURA TO 8 MILES SOUTHEAST OF KEY BISCAYNE...MOVING SOUTHWEST AT
30 MPH.
THESE STORMS WILL AFFECT...
FIU NORTH CAMPUS...
BAY HARBOR ISLANDS...
BISCAYNE PARK...
KEY BISCAYNE...
DOWNTOWN MIAMI...
CORAL GABLES...
HIALEAH...
HOMESTEAD...
AND SURROUNDING COMMUNITIES.
OTHER STRONG THUNDERSTORMS WILL MOVE SOUTHWEST ACROSS FAR SOUTH
MIAMI-DADE COUNTY AS WELL.
THE PRIMARY IMPACT WILL BE GUSTY WINDS OF 40 TO 50 MPH...WHICH CAN
DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL
OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES.
OCCASIONAL TO FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING
WITH THESE STORMS.
LAT...LON 2582 8063 2599 8011 2568 8015 2585 8018
2563 8029 2558 8028 2554 8033 2526 8034
2517 8069
TIME...MOT...LOC 0745Z 066DEG 29KT 2590 8010 2560 8010
STRASSBERGSpecial weather statement, Oct 1, 7:02 AM EDT, 1 hour 45 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 12:18 AM EDT | Special Marine Warning | MFL | 42 min | |
| Oct 1, 1:00 AM EDT | Special Marine Warning | MFL | 45 min | |
| Oct 1, 1:47 AM EDT | Special Marine Warning | MFL | 58 min | |
| Oct 1, 1:53 AM EDT | Special Marine Warning | MFL | 37 min | |
| Oct 1, 2:06 AM EDT | Special Weather Statement | MFL | Palm Beach | 39 min |
| Oct 1, 2:28 AM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 1, 3:45 AM EDT | Special Weather Statement | MFL | Miami-Dade | 45 min |
| Oct 1, 4:30 AM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 1, 5:21 AM EDT | Marine Weather Statement | MFL | 15 hr | |
| Oct 1, 6:06 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Oct 1, 6:20 AM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 40 min |
| Oct 1, 6:30 AM EDT | Special Marine Warning | MFL | 15 min | |
| Oct 1, 7:02 AM EDT | Special Weather Statement | MFL | Miami-Dade, Monroe | 58 min |
| Oct 1, 1:59 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 1, 3:36 PM EDT | Special Marine Warning | MFL | 54 min | |
| Oct 1, 3:58 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 1, 6:22 PM EDT | Special Marine Warning | MFL | 113 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.