Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 24, NWS Miami, FL

June 18, 2008Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Jun 18, 2008, 2:32 PM EDT for Palm Beach County, Florida. It was in force for 28 min. 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
Jun 18, 2008, 2:32 PM EDT (18:32 UTC)
Expired
Jun 18, 2008, 3:00 PM EDT
In force
28 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Palm Beach County, FL

The radar

The Melbourne radar (KMLB), 145 km from the middle of the area, began a volume at 18:33 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 18, 2:40 PM EDTTSTM WND DMGPalm Beach Gardens, FLDOWNED POWER LINES IN THREE AREAS IN PALM BEACH GARDENS.
Jun 18, 2:42 PM EDTTSTM WND GST 624 Nnw Riviera Beach, FLAT PGA BOULEVARD AND I-95 IN PALM BEACH GARDENS.
Jun 18, 2:45 PM EDTTSTM WND DMG4 Sse Jupiter, FLLARGE TREE DOWN AT INTERSECTION OF DONALD ROSS AND ELLISON WILSON ROADS.

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, 6.5 hours before the alert went out and 121 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 2008-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2247 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 2008-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
2247 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMFL 181832
TORMFL
FLC099-181900-
/O.NEW.KMFL.TO.W.0024.080618T1832Z-080618T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
232 PM EDT WED JUN 18 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 300 PM EDT

* AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH PALM
  BEACH GENERAL AIRPORT...MOVING NORTHEAST AT 47 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE TORNADO WILL BE NEAR...
  PALM BEACH GARDENS BY 240 PM EDT...
  JUNO BEACH BY 245 PM EDT...
  AND SURROUNDING COMMUNITIES.

IF YOU ARE NEAR THE PATH OF A TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 2677 8022 2683 8029 2698 8012 2697 8011
      2698 8010 2698 8007 2697 8007 2692 8006
      2690 8004 2684 8004
TIME...MOT...LOC 1832Z 238DEG 41KT 2683 8019

$$

GREGORIA
3 follow-up statements
000
WWUS52 KMFL 181842
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
241 PM EDT WED JUN 18 2008

FLC099-181900-
/O.CON.KMFL.TO.W.0024.000000T0000Z-080618T1900Z/
PALM BEACH FL-
241 PM EDT WED JUN 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
NORTHEASTERN PALM BEACH COUNTY...

AT 237 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH ARE ALSO POSSIBLE. THIS
POSSIBLE TORNADO WAS LOCATED 2 MILES EAST OF NORTH PALM BEACH GENERAL 
AIRPORT...MOVING NORTHEAST AT 32 MPH.

THE STORM WILL BE NEAR...
FAU NORTH CAMPUS BY 245 PM EDT...
JUNO BEACH BY 250 PM EDT...
AND SURROUNDING COMMUNITIES.

IF YOU ARE NEAR THE PATH OF A TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 2681 8014 2685 8023 2698 8013 2697 8010
      2698 8010 2698 8007 2697 8007 2692 8006
      2690 8004 2684 8004
TIME...MOT...LOC 1841Z 239DEG 28KT 2686 8013

$$

GREGORIA
000
WWUS52 KMFL 181848
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
247 PM EDT WED JUN 18 2008

FLC099-181900-
/O.CON.KMFL.TO.W.0024.000000T0000Z-080618T1900Z/
PALM BEACH FL-
247 PM EDT WED JUN 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
NORTHEASTERN PALM BEACH COUNTY...

AT 246 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH ARE ALSO POSSIBLE. THIS
STORM WAS LOCATED NEAR FAU NORTH CAMPUS...MOVING NORTHEAST AT 32 MPH.

THE STORM WILL BE NEAR...
JUNO BEACH...
TEQUESTA...
AND SURROUNDING COMMUNITIES.

TRAINED SPOTTERS REPORTED 62 MPH WINDS AT PGA BOULEVARD AND 
INTERSTATE 95 AT 242 PM EDT. DOWNED TREES HAVE BEEN REPORTED IN THE 
AREA AS WELL. 

IF YOU ARE NEAR THE PATH OF A TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 2681 8014 2685 8023 2698 8013 2697 8010
      2698 8010 2698 8007 2697 8007 2692 8006
      2690 8004 2684 8004
TIME...MOT...LOC 1847Z 239DEG 28KT 2688 8010

$$

GREGORIA
000
WWUS52 KMFL 181855
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
255 PM EDT WED JUN 18 2008

FLC099-181905-
/O.EXP.KMFL.TO.W.0024.000000T0000Z-080618T1900Z/
PALM BEACH FL-
255 PM EDT WED JUN 18 2008

...THE TORNADO WARNING FOR NORTHEASTERN PALM BEACH COUNTY WILL EXPIRE
AT 300 PM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE POSSIBLE TORNADO 
HAS MOVED OUT OF THE WARNED AREA. THUS THE TORNADO WARNING WILL 
EXPIRE AT 300 PM EDT.

LAT...LON 2681 8014 2685 8023 2698 8013 2697 8010
      2698 8010 2698 8007 2697 8007 2692 8006
      2690 8004 2684 8004
TIME...MOT...LOC 1855Z 239DEG 28KT 2691 8004

$$

GREGORIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 11:40 PM EDTSpecial Marine WarningMFL65 min
Jun 18, 12:11 AM EDTSpecial Marine WarningMFL34 min
Jun 18, 12:43 AM EDTSpecial Marine WarningMFL62 min
Jun 18, 1:46 AM EDTSpecial Weather StatementMFLMiami-Dade29 min
Jun 18, 2:12 AM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
Jun 18, 4:32 AM EDTSpecial Marine WarningMFL58 min
Jun 18, 4:36 AM EDTSpecial Weather StatementMFLCollier24 min
Jun 18, 11:12 AM EDTSpecial Marine WarningMFL33 min
Jun 18, 11:25 AM EDTSpecial Weather StatementMFLMiami-Dade35 min
Jun 18, 11:58 AM EDTSpecial Weather StatementMFLGlades32 min
Jun 18, 12:03 PM EDTSpecial Marine WarningMFL57 min
Jun 18, 12:20 PM EDTSevere Thunderstorm WarningMFLMiami-Dade25 min
Jun 18, 12:34 PM EDTSpecial Weather StatementMFLMiami-Dade26 min
Jun 18, 12:37 PM EDTAreal Flood AdvisoryMFLMiami-Dade113 min
Jun 18, 12:41 PM EDTSpecial Weather StatementMFLGlades64 min
Jun 18, 12:50 PM EDTSpecial Marine WarningMFL25 min
Jun 18, 12:55 PM EDTSpecial Weather StatementMFLGlades35 min
Jun 18, 1:02 PM EDTSpecial Marine WarningMFL58 min
Jun 18, 1:13 PM EDTSpecial Marine WarningMFL32 min
Jun 18, 1:21 PM EDTSpecial Weather StatementMFLPalm Beach24 min
Jun 18, 1:30 PM EDTSpecial Weather StatementMFLMiami-Dade30 min
Jun 18, 1:35 PM EDTSpecial Weather StatementMFLPalm Beach25 min
Jun 18, 1:56 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jun 18, 2:01 PM EDTSpecial Weather StatementMFLMiami-Dade29 min
Jun 18, 2:05 PM EDTSevere Thunderstorm WarningMFLPalm Beach40 min
Jun 18, 2:22 PM EDTAreal Flood AdvisoryMFLMiami-Dade113 min
Jun 18, 2:27 PM EDTSevere Thunderstorm WarningMFLPalm Beach30 min
Jun 18, 2:35 PM EDTSpecial Marine WarningMFL55 min
Jun 18, 3:11 PM EDTSpecial Weather StatementMFLGlades34 min
Jun 18, 3:22 PM EDTSpecial Marine WarningMFL62 min
Jun 18, 3:43 PM EDTSpecial Marine WarningMFL55 min
Jun 18, 3:53 PM EDTSpecial Weather StatementMFLMonroe67 min
Jun 18, 4:08 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
Jun 18, 4:45 PM EDTSpecial Marine WarningMFL45 min
Jun 18, 5:04 PM EDTSpecial Marine WarningMFL41 min
Jun 18, 5:35 PM EDTSpecial Marine WarningMFL55 min
Jun 18, 5:45 PM EDTSpecial Weather StatementMFLMiami-Dade60 min
Jun 18, 5:56 PM EDTSpecial Weather StatementMFLMiami-Dade34 min
Jun 18, 6:24 PM EDTSpecial Marine WarningMFL66 min
Jun 18, 7:08 PM EDTSpecial Marine WarningMFL68 min
Jun 18, 7:19 PM EDTSpecial Marine WarningMFL56 min

Nearby

Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008

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.