Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 4, NWS Miami, FL

May 6, 2007Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at May 6, 2007, 6:27 PM EDT for Palm Beach County, Florida. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 6, 2007, 6:27 PM EDT (22:27 UTC)
Expired
May 6, 2007, 7:00 PM EDT
In force
33 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 97 km from the middle of the area, began a volume at 22:29 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.

The watch it was issued in

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

IssuedProductOfficeLasted
May 6, 1:49 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.5 hours before the alert went out and 221 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, Cape Canaveral, FL at 12:00Z on 2007-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1889 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, Cape Canaveral, FL at 12:00Z on 2007-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1889 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMFL 062228
TORMFL
FLC099-062300-
/O.NEW.KMFL.TO.W.0004.070506T2227Z-070506T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
627 PM EDT SUN MAY 6 2007

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND SOUTH CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 700 PM EDT

* AT 625 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL
  PALM BEACH COUNTY...OR ABOUT 12 MILES SOUTHEAST OF BELLE GLADE...
  MOVING SOUTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL CENTRAL PALM BEACH COUNTY
  RURAL SOUTHERN PALM BEACH COUNTY

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

THIS STORM IS ALSO LIKELY PRODUCING LARGE HAIL TO QUARTER SIZE AND 
IS CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH.

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

LAT...LON 2655 8054 2661 8054 2660 8044 2640 8034
      2637 8031 2637 8031 2637 8057 2652 8057

$$

GREGORIA
1 follow-up statement
000
WWUS52 KMFL 062245
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
641 PM EDT SUN MAY 6 2007

FLC099-062300-
/O.CON.KMFL.TO.W.0004.000000T0000Z-070506T2300Z/
PALM BEACH FL-
641 PM EDT SUN MAY 6 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTH
CENTRAL PALM BEACH COUNTY...

AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO. THIS POSSIBLE TORNADO WAS LOCATED OVER RURAL 
SOUTH CENTRAL PALM BEACH COUNTY...MOVING SOUTH AT 25 MPH. 

THIS POSSIBLE TORNADO WILL AFFECT FARMLAND AREAS EAST OF OKEECHOBEE 
ROAD. 

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DAMAGING WINDS TO 60 MPH.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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

LAT...LON 2655 8054 2661 8054 2660 8044 2640 8034
      2637 8031 2637 8031 2637 8057 2652 8057

$$

GREGORIA

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 9:15 PM EDTSevere Thunderstorm WarningMFLGlades37 min
May 6, 4:10 PM EDTSevere Thunderstorm WarningMFLCollier45 min
May 6, 4:30 PM EDTSevere Thunderstorm WarningMFLPalm Beach45 min
May 6, 4:30 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry36 min
May 6, 5:15 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach45 min
May 6, 5:32 PM EDTMarine Weather StatementMFL88 min
May 6, 5:33 PM EDTHigh Surf AdvisoryMFLBroward, Miami-Dade, Palm Beach62 hr
May 6, 5:38 PM EDTSevere Thunderstorm WarningMFLPalm Beach67 min
May 6, 5:42 PM EDTSpecial Marine WarningMFL63 min
May 6, 5:45 PM EDTSevere Thunderstorm WarningMFLGlades30 min
May 6, 5:47 PM EDTTornado WarningMFLBroward, Palm Beach43 min
May 6, 6:14 PM EDTSevere Thunderstorm WarningMFLBroward, Glades, Hendry, Palm Beach61 min
May 6, 6:27 PM EDTTornado WarningMFLBroward48 min
May 6, 6:38 PM EDTSpecial Marine WarningMFL37 min
May 6, 6:48 PM EDTTornado WarningMFLHendry57 min
May 6, 6:58 PM EDTTornado WarningMFLBroward32 min
May 6, 7:22 PM EDTTornado WarningMFLBroward, Collier, Hendry, Palm Beach53 min
May 6, 7:25 PM EDTTornado WarningMFLMiami-Dade35 min
May 6, 7:37 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade38 min

Nearby

Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

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