Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 2, NWS Miami, FL

May 8, 2012Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at May 8, 2012, 2:30 PM EDT for Palm Beach County, Florida. It was in force for 18 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
May 8, 2012, 2:30 PM EDT (18:30 UTC)
Expired
May 8, 2012, 2:48 PM EDT
In force
18 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Palm Beach County, FL

The radar

The Melbourne radar (KMLB), 143 km from the middle of the area, began a volume at 18:34 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 8, 2:45 PM EDTTSTM WND DMGJupiter, FLMEDIA REPORTED SEVERAL TREE BRANCHES WERE SNAPPED AND TWO LIGHT POLES WERE BENT/KNOCKED DOWN...NEAR THE INTERSECTION OF INDIAN CREEK PARKWAY AND MAPLEWOOD DRIVE. DAMAGE REPORTED WAS ON THE ST PETER CHURCH PROPERTY...PHOTOS INDICATE THIS DAMAGE WAS LIKELY THE R

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 125 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 2012-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2012-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
33 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
92 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.

802 
WFUS52 KMFL 081830
TORMFL
FLC099-081900-
/O.NEW.KMFL.TO.W.0002.120508T1830Z-120508T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
230 PM EDT TUE MAY 8 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PALM BEACH COUNTY IN SOUTHEAST FLORIDA...
  THIS INCLUDES THE CITY OF JUPITER...

* UNTIL 300 PM EDT

* AT 229 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JUPITER...
  MOVING NORTHEAST AT 10 MPH.

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

* THE TORNADO WILL BE NEAR...
  JUPITER...
  TEQUESTA...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INSIDE A STURDY BUILDING ON THE LOWEST FLOOR...AWAY FROM
EXTERIOR WALLS AND WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4528 TO REPORT SEVERE WEATHER.

&&

LAT...LON 2688 8005 2689 8013 2693 8015 2698 8010
      2698 8008 2696 8007
TIME...MOT...LOC 1830Z 244DEG 9KT 2692 8013

$$

BAXTER
2 follow-up statements
898 
WWUS52 KMFL 081842
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
242 PM EDT TUE MAY 8 2012

FLC099-081900-
/O.CON.KMFL.TO.W.0002.000000T0000Z-120508T1900Z/
PALM BEACH FL-
242 PM EDT TUE MAY 8 2012

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

AT 241 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH ARE ALSO POSSIBLE. THIS
STORM WAS LOCATED OVER NORTHEASTERN PALM BEACH COUNTY...MOVING
SOUTHEAST AT 10 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4528 TO REPORT SEVERE WEATHER.

LAT...LON 2688 8005 2689 8013 2692 8013 2693 8010
      2693 8008 2693 8007
TIME...MOT...LOC 1842Z 299DEG 11KT 2690 8010

$$

BAXTER
714 
WWUS52 KMFL 081848
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
248 PM EDT TUE MAY 8 2012

FLC099-081858-
/O.CAN.KMFL.TO.W.0002.000000T0000Z-120508T1900Z/
PALM BEACH FL-
248 PM EDT TUE MAY 8 2012

...THE TORNADO WARNING FOR NORTHEASTERN PALM BEACH COUNTY IS
CANCELLED...

THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO
40 MPH...VERY HEAVY RAINFALL AND SMALL HAIL ARE STILL POSSIBLE. STAY
TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES.

LAT...LON 2688 8005 2689 8013 2692 8013 2693 8010
      2693 8008 2693 8007
TIME...MOT...LOC 1848Z 299DEG 11KT 2689 8008

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 9:40 PM EDTSpecial Weather StatementMFLBroward50 min
May 7, 10:28 PM EDTSpecial Weather StatementMFLBroward32 min
May 8, 2:00 PM EDTSpecial Weather StatementMFLBroward45 min
May 8, 2:05 PM EDTSpecial Marine WarningMFL39 min
May 8, 2:10 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
May 8, 2:16 PM EDTSpecial Weather StatementMFLHendry44 min
May 8, 2:46 PM EDTSpecial Marine WarningMFL29 min
May 8, 2:58 PM EDTSpecial Weather StatementMFLBroward47 min
May 8, 3:01 PM EDTSpecial Weather StatementMFLMiami-Dade44 min
May 8, 3:08 PM EDTSpecial Weather StatementMFLHendry37 min
May 8, 3:14 PM EDTSpecial Marine WarningMFL61 min
May 8, 3:33 PM EDTAreal Flood AdvisoryMFLMiami-Dade117 min
May 8, 3:38 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach52 min
May 8, 3:42 PM EDTSpecial Weather StatementMFLGlades33 min
May 8, 3:48 PM EDTSpecial Weather StatementMFLBroward57 min
May 8, 3:53 PM EDTSpecial Marine WarningMFL112 min
May 8, 3:58 PM EDTSpecial Weather StatementMFLMiami-Dade32 min
May 8, 4:37 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
May 8, 4:50 PM EDTSpecial Marine WarningMFL55 min
May 8, 4:53 PM EDTSpecial Weather StatementMFLMiami-Dade37 min
May 8, 5:21 PM EDTSpecial Weather StatementMFLMiami-Dade39 min
May 8, 5:35 PM EDTAreal Flood AdvisoryMFLMiami-Dade115 min
May 8, 5:38 PM EDTSpecial Marine WarningMFL82 min
May 8, 6:06 PM EDTSpecial Weather StatementMFLMiami-Dade39 min
May 8, 6:28 PM EDTSpecial Marine WarningMFL62 min

Nearby

Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.