Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 97, NWS Miami, FL

June 24, 2012Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 24, 2012, 11:49 AM EDT for Palm Beach County, Florida. It was in force for 26 min. 1 report 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
Jun 24, 2012, 11:49 AM EDT (15:49 UTC)
Expired
Jun 24, 2012, 12:15 PM EDT
In force
26 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 117 km from the middle of the area, began a volume at 15:49 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
Jun 24, 12:25 PM EDTTORNADOLake Worth, FLAT 1256 PM EDT...BROADCAST MEDIA REPORTED POSSIBLE TORNADO DAMAGE IN THE A STREET AREA OF LAKE WORTH. DAMAGE REPORTED TO 4 HOUSES. TIME OF DAMAGE ESTIMATED BASED ON RADAR ACTIVITY.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 24, 11:47 AM EDTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 3.8 hours before the alert went out and 91 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 2012-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3139 joules per kilogram.LCLEL10008507005003002001001 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 2012-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
3139 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.6

Open this sounding in Storm Lab

The text

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

056 
WUUS52 KMFL 241549
SVRMFL
FLC099-241615-
/O.NEW.KMFL.SV.W.0097.120624T1549Z-120624T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1149 AM EDT SUN JUN 24 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 1215 PM EDT

* AT 1148 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 4 MILES SOUTHWEST OF LAKE
  WORTH...AND MOVING NORTH AT 20 MPH.

* THE STORM WILL AFFECT...
  LAKE WORTH...
  HAVERHILL...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND
OR LARGE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS
ALSO POSSIBLE. IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN
AN ENCLOSED BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR
SOUTHERN FLORIDA.

&&

LAT...LON 2654 8005 2654 8015 2671 8017 2671 8003
      2663 8003 2662 8004 2661 8003 2660 8004
      2660 8003
TIME...MOT...LOC 1549Z 186DEG 15KT 2658 8010

$$

GARCIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 8:03 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 23, 8:47 PM EDTSpecial Marine WarningMFL58 min
Jun 23, 8:48 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 23, 9:43 PM EDTSpecial Marine WarningMFL47 min
Jun 24, 2:18 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 3:13 AM EDTSpecial Marine WarningMFL62 min
Jun 24, 5:45 AM EDTSpecial Marine WarningMFL60 min
Jun 24, 6:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 7:13 AM EDTSpecial Weather StatementMFLBroward32 min
Jun 24, 7:40 AM EDTSpecial Marine WarningMFL65 min
Jun 24, 7:45 AM EDTSpecial Weather StatementMFLBroward30 min
Jun 24, 8:14 AM EDTSpecial Weather StatementMFLBroward31 min
Jun 24, 8:41 AM EDTSpecial Marine WarningMFL64 min
Jun 24, 8:57 AM EDTSpecial Weather StatementMFLCollier48 min
Jun 24, 9:10 AM EDTSpecial Marine WarningMFL35 min
Jun 24, 9:48 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 10:25 AM EDTSpecial Weather StatementMFLBroward35 min
Jun 24, 10:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 10:48 AM EDTSpecial Weather StatementMFLGlades27 min
Jun 24, 10:53 AM EDTSpecial Weather StatementMFLPalm Beach52 min
Jun 24, 10:59 AM EDTSpecial Weather StatementMFLCollier46 min
Jun 24, 11:02 AM EDTTornado WarningMFLPalm Beach28 min
Jun 24, 11:12 AM EDTSpecial Marine WarningMFL33 min
Jun 24, 11:27 AM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 11:28 AM EDTSpecial Weather StatementMFLGlades32 min
Jun 24, 11:31 AM EDTTornado WarningMFLCollier29 min
Jun 24, 11:40 AM EDTTornado WarningMFLGlades35 min
Jun 24, 11:56 AM EDTTornado WarningMFLCollier34 min
Jun 24, 12:01 PM EDTTornado WarningMFLCollier, Hendry29 min
Jun 24, 12:07 PM EDTTornado WarningMFLGlades23 min
Jun 24, 12:18 PM EDTTornado WarningMFLCollier33 min
Jun 24, 12:20 PM EDTSpecial Marine WarningMFL115 min
Jun 24, 12:20 PM EDTTornado WarningMFLPalm Beach25 min
Jun 24, 12:22 PM EDTTornado WarningMFLCollier, Glades, Hendry53 min
Jun 24, 12:26 PM EDTTornado WarningMFLCollier, Hendry34 min
Jun 24, 12:43 PM EDTTornado WarningMFLCollier, Hendry32 min
Jun 24, 12:44 PM EDTSpecial Weather StatementMFLPalm Beach31 min
Jun 24, 12:57 PM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 12:58 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 1:01 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Jun 24, 1:05 PM EDTSpecial Weather StatementMFLGlades40 min
Jun 24, 1:10 PM EDTTornado WarningMFLPalm Beach35 min
Jun 24, 1:14 PM EDTAreal Flood AdvisoryMFLPalm Beach4 hr
Jun 24, 1:23 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
Jun 24, 1:27 PM EDTTornado WarningMFLGlades33 min
Jun 24, 1:28 PM EDTSpecial Marine WarningMFL32 min
Jun 24, 1:50 PM EDTTornado WarningMFLGlades25 min
Jun 24, 1:54 PM EDTSpecial Marine WarningMFL66 min
Jun 24, 1:56 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jun 24, 2:13 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 2:18 PM EDTSpecial Weather StatementMFLBroward27 min
Jun 24, 2:32 PM EDTSpecial Weather StatementMFLMartin28 min
Jun 24, 2:43 PM EDTTornado WarningMFLGlades, Hendry47 min
Jun 24, 2:54 PM EDTSpecial Marine WarningMFL2 hr
Jun 24, 2:55 PM EDTSpecial Marine WarningMFL65 min
Jun 24, 3:12 PM EDTSpecial Weather StatementMFLPalm Beach48 min
Jun 24, 3:28 PM EDTTornado WarningMFLGlades, Hendry62 min
Jun 24, 5:01 PM EDTSpecial Marine WarningMFL89 min
Jun 24, 5:47 PM EDTSpecial Weather StatementMFLPalm Beach28 min
Jun 24, 6:09 PM EDTSpecial Weather StatementMFLPalm Beach36 min
Jun 24, 6:26 PM EDTSpecial Marine WarningMFL64 min
Jun 24, 6:27 PM EDTSpecial Marine WarningMFL93 min
Jun 24, 6:34 PM EDTTornado WarningMFLPalm Beach26 min
Jun 24, 7:39 PM EDTSpecial Marine WarningMFL66 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning in 2012

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.