Alert archive / Florida / Flash Flood Warnings in 2013

Flash Flood Warning 2, NWS Miami, FL

May 2, 2013Palm Beach County, Florida

NWS Miami, FL issued this flash flood warning at May 2, 2013, 1:06 PM EDT for Palm Beach County, Florida. It was in force for 6 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 2, 2013, 1:06 PM EDT (17:06 UTC)
Expired
May 2, 2013, 6:50 PM EDT
In force
6 hr
Issued by
NWS Miami, FL
Area
Storm-based polygon
Flood severity
None

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 102 km from the middle of the area, began a volume at 17:09 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 was reported inside it

TimeReportWhereRemark
May 2, 1:55 PM EDTFLOODDelray Beach, FLDELRAY BEACH PD REPORTS SEVERE FLOODING IN THE AREAS OF EASTBOUND I-95 ON 10TH STREET. ALSO... FLOODING AT LINTON AND CONGRESS... 500 S CONGRESS... AND LINTON AND MILITARY TRAIL
May 2, 1:55 PM EDTFLASH FLOODDelray Beach, FLDELRAY BEACH PD REPORTS SEVERE FLOODING IN THE AREAS OF EASTBOUND I-95 ON 10TH STREET. ALSO... FLOODING AT LINTON AND CONGRESS... 500 S CONGRESS... AND LINTON AND MILITARY TRAIL
May 2, 5:00 PM EDTFLASH FLOOD3 Wsw Delray Beach, FLEXTENSIVE STREET FLOODING IN DELRAY BEACH SINCE EARLY AFTERNOON. AREA MOST AFFECTED BOUNDED BY MILITARY TRAIL AND JOG ROAD TO THE EAST AND WEST, AND LINTON BOULEVARD AND ATLANTIC AVENUE TO THE SOUTH AND NORTH. KINGS POINT NEIGHBORHOOD TOLD TO REMAIN INSIDE UNT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 5.1 hours before the alert went out and 76 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2013-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 871 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2013-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
871 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

259 
WGUS52 KMFL 021706
FFWMFL
FLC099-022000-
/O.NEW.KMFL.FF.W.0002.130502T1706Z-130502T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
106 PM EDT THU MAY 2 2013

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN PALM BEACH COUNTY IN SOUTHEAST FLORIDA...

* UNTIL 400 PM EDT

* AT 103 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RAIN GAGES HAVE MEASURED OVER 5 INCHES...AND RADAR    
  ESTIMATES OVER 8 INCHES OF RAIN HAS FALLEN IN SOME LOCATIONS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BOYNTON BEACH...DELRAY BEACH...MISSION BAY...OCEAN                 
  RIDGE...VILLAGE   OF GOLF AND WHISPER WALK. THE AREA OF MOST       
  SIGNIFICANT RISK IS FROM MORIKAMI PARK AND THE VILLAGES OR ORIOLE  
  NORTHEASTWARD TO THE VILLAGE OF GOLF AND DELRAY BEACH. 

LAW ENFORCEMENT IN DELRAY BEACH REPORTED SEVERAL ROADWAYS INUNDATED 
WITH WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF OVER 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 2655 8004 2648 8005 2637 8010 2635 8021
      2640 8024 2655 8017 2656 8004 2655 8003

$$
KONARIK
4 follow-up statements
704 
WGUS72 KMFL 021745
FFSMFL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
145 PM EDT THU MAY 2 2013

FLC099-022000-
/O.CON.KMFL.FF.W.0002.000000T0000Z-130502T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALM BEACH FL-
145 PM EDT THU MAY 2 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR
SOUTHEASTERN PALM BEACH COUNTY...

AT 137 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING ON 
NUMEROUS STREETS IN THE WARNED AREA.  RADAR CONTINUES TO INDICATE 
NEARLY STATIONARY THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VILLAGE OF 
GOLF...OCEAN RIDGE...DELRAY BEACH..VILLAGES OF ORIOLE...MORIKAMI 
PARK...BOCA WEST...AND BOYNTON BEACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAIN GAGE MEASUREMENTS HAVE BEEN AS HIGH AS NEARLY 8 INCHES 
RAINFALL...
AND RADAR ESTIMATES IN EXCESS OF 10 INCHES OF RAIN HAVE FALLEN.

ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF 3 INCHES ARE POSSIBLE IN 
THE WARNED AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 2655 8004 2648 8005 2637 8010 2635 8021
      2640 8024 2655 8017 2656 8004 2655 8003

$$
KONARIK
277 
WGUS72 KMFL 021836
FFSMFL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
236 PM EDT THU MAY 2 2013

FLC099-022000-
/O.CON.KMFL.FF.W.0002.000000T0000Z-130502T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALM BEACH FL-
236 PM EDT THU MAY 2 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR
SOUTHEASTERN PALM BEACH COUNTY...

AT 229 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA. RAIN GAGE MEASUREMENTS OF UP TO 8 
INCHES HAVE BEEN RECEIVED. ALTHOUGH RAINFALL HAS TEMPORARILY 
ENDED...ADDITIONAL THUNDERSTORMS MAY ENTER THE REGION...PRODUCING 
FURTHER TORRENTIAL RAINFALL.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VILLAGE OF 
GOLF...OCEAN RIDGE AND BOYNTON BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF OVER 1 INCH ARE POSSIBLE IN THE 
WARNED AREA.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.

&&

LAT...LON 2655 8004 2648 8005 2637 8010 2635 8021
      2640 8024 2655 8017 2656 8004 2655 8003

$$
KONARIK
055 
WGUS52 KMFL 021953
FFWMFL
FLC099-022300-
/O.EXT.KMFL.FF.W.0002.000000T0000Z-130502T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
353 PM EDT THU MAY 2 2013

THE NATIONAL WEATHER SERVICE IN MIAMI HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN PALM BEACH COUNTY IN SOUTHEAST FLORIDA...

* UNTIL 700 PM EDT

* AT 350 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED CONTINUED 
  FLASH FLOODING IN BOCA RATON AND DELRAY BEACH FROM UP TO 8 INCHES  
  OF RAINFALL EARLIER THIS AFTERNOON.  ADDITIONAL THUNDERSTORMS ARE  
  MOVING INTO THE AREA

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BOYNTON BEACH...DELRAY BEACH...MISSION BAY...OCEAN RIDGE...VILLAGE
  OF GOLF AND WHISPER WALK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.

&&

LAT...LON 2655 8004 2648 8005 2637 8010 2635 8021
      2640 8024 2655 8017 2656 8004 2655 8003

$$
KONARIK
072 
WGUS72 KMFL 022250
FFSMFL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
650 PM EDT THU MAY 2 2013

FLC099-022256-
/O.CAN.KMFL.FF.W.0002.000000T0000Z-130502T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALM BEACH FL-
650 PM EDT THU MAY 2 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN PALM
BEACH COUNTY...

PALM BEACH COUNTY WARNING POINT REPORTED FLOOD WATERS ARE RECEDING 
ACROSS DELRAY BEACH AND BOCA RATON. THEREFORE THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED. HOWEVER...EMERGENCY MANAGEMENT OFFICIALS 
REPORTED THAT THERE IS STILL MINOR URBAN TYPE FLOODING ACROSS 
PORTIONS OF THE CANCELLED WARNING AREA.

LAT...LON 2655 8004 2648 8005 2637 8010 2635 8021
      2640 8024 2655 8017 2656 8004 2655 8003

$$

60

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 6:40 AM EDTSpecial Marine WarningMFL95 min
May 2, 7:45 AM EDTSpecial Marine WarningMFL60 min
May 2, 8:11 AM EDTSpecial Marine WarningMFL64 min
May 2, 8:38 AM EDTSpecial Marine WarningMFL67 min
May 2, 9:07 AM EDTSpecial Marine WarningMFL53 min
May 2, 9:41 AM EDTSpecial Marine WarningMFL64 min
May 2, 9:55 AM EDTSpecial Marine WarningMFL65 min
May 2, 10:39 AM EDTSpecial Marine WarningMFL66 min
May 2, 10:59 AM EDTSpecial Marine WarningMFL61 min
May 2, 11:42 AM EDTSpecial Weather StatementMFLCollier, Monroe48 min
May 2, 11:49 AM EDTAreal Flood AdvisoryMFLPalm Beach116 min
May 2, 11:54 AM EDTSpecial Marine WarningMFL66 min
May 2, 12:11 PM EDTSpecial Weather StatementMFLPalm Beach34 min
May 2, 12:15 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe30 min
May 2, 12:29 PM EDTAreal Flood AdvisoryMFLPalm Beach2 hr
May 2, 12:34 PM EDTSpecial Weather StatementMFLPalm Beach26 min
May 2, 12:39 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe51 min
May 2, 12:47 PM EDTSpecial Marine WarningMFL58 min
May 2, 1:09 PM EDTSpecial Marine WarningMFL66 min
May 2, 1:12 PM EDTSpecial Weather StatementMFLPalm Beach33 min
May 2, 1:21 PM EDTSevere Thunderstorm WarningMFLPalm Beach24 min
May 2, 1:23 PM EDTSpecial Marine WarningMFL67 min
May 2, 1:25 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe50 min
May 2, 1:39 PM EDTSpecial Weather StatementMFLBroward51 min
May 2, 1:52 PM EDTSpecial Marine WarningMFL53 min
May 2, 1:59 PM EDTSpecial Weather StatementMFLBroward46 min
May 2, 2:48 PM EDTSpecial Weather StatementMFLBroward42 min
May 2, 3:01 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach119 min
May 2, 3:15 PM EDTSpecial Marine WarningMFL60 min
May 2, 3:17 PM EDTSpecial Weather StatementMFLBroward28 min
May 2, 3:20 PM EDTSpecial Marine WarningMFL55 min
May 2, 3:36 PM EDTSpecial Weather StatementMFLBroward24 min
May 2, 3:43 PM EDTSpecial Weather StatementMFLPalm Beach32 min
May 2, 3:56 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach5 hr
May 2, 4:01 PM EDTSpecial Weather StatementMFLBroward29 min
May 2, 4:09 PM EDTTornado WarningMFLBroward66 min
May 2, 4:13 PM EDTSpecial Marine WarningMFL62 min
May 2, 4:18 PM EDTSpecial Marine WarningMFL57 min
May 2, 4:52 PM EDTSmall Craft Advisory for Hazardous SeasMFL24 hr
May 2, 5:12 PM EDTSpecial Marine WarningMFL63 min
May 2, 5:59 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach3 hr
May 2, 6:12 PM EDTSpecial Marine WarningMFL63 min
May 2, 6:57 PM EDTAreal Flood AdvisoryMFLPalm Beach4 hr
May 2, 7:17 PM EDTSpecial Marine WarningMFL58 min

Nearby

Flash Flood Warnings in Florida, 2013Every flash flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.