Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 25, NWS Miami, FL

June 21, 2008Hendry County, Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Jun 21, 2008, 4:43 PM EDT for Hendry County, Palm Beach County, Florida. It was in force for 32 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 21, 2008, 4:43 PM EDT (20:43 UTC)
Expired
Jun 21, 2008, 5:15 PM EDT
In force
32 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Hendry County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 130 km from the middle of the area, began a volume at 20:43 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 21, 4:45 PM EDTTSTM WND GST 0Clewiston, FLAIRGLADES AIRPORT MESONET REPORTED WIND GUST UP TO 51 MPH
Jun 21, 4:45 PM EDTTSTM WND GST 51Clewiston, FAIRGLADES AIRPORT MESONET REPORTED WIND GUST UP TO 51 MPH
Jun 21, 5:25 PM EDTTSTM WND DMGBelle Glade, FLSOUTH BAY PD REPORTED POWER LINES DOWN IN BELLE GLADE

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, 8.7 hours before the alert went out and 113 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 2008-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2108 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 2008-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
2108 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
33 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 212043
TORMFL
FLC051-099-212115-
/O.NEW.KMFL.TO.W.0025.080621T2043Z-080621T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
443 PM EDT SAT JUN 21 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES WEST    
  OF CLEWISTON...MOVING EAST AT 31 MPH.

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

* THE TORNADO WILL BE NEAR...
  CLEWISTON BY 450 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.

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.

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 2660 8063 2669 8104 2677 8105 2677 8095
      2678 8094 2673 8084 2671 8082 2671 8078
      2669 8074 2672 8073 2676 8075 2678 8074
      2677 8072 2675 8071 2682 8070 2683 8061
TIME...MOT...LOC 2043Z 273DEG 27KT 2673 8098

$$

GREGORIA
1 follow-up statement
000
WWUS52 KMFL 212101
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
501 PM EDT SAT JUN 21 2008

FLC051-212111-
/O.CAN.KMFL.TO.W.0025.000000T0000Z-080621T2115Z/
HENDRY FL-
501 PM EDT SAT JUN 21 2008

...THE TORNADO WARNING FOR NORTHEASTERN HENDRY COUNTY IS CANCELLED...

LAT...LON 2683 8061 2660 8063 2666 8088 2674 8088
      2673 8084 2671 8082 2671 8078 2669 8074
      2672 8073 2676 8075 2678 8074 2677 8072
      2675 8071 2676 8070 2682 8069
TIME...MOT...LOC 2101Z 280DEG 24KT 2669 8083

$$

FLC099-212115-
/O.CON.KMFL.TO.W.0025.000000T0000Z-080621T2115Z/
PALM BEACH FL-
501 PM EDT SAT JUN 21 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR WEST
CENTRAL PALM BEACH COUNTY...

AT 459 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 1 MILE WEST OF LAKE HARBOR...MOVING EAST AT 28 MPH.

THE STORM WILL BE NEAR...
LAKE HARBOR BY 500 PM EDT...
SOUTH BAY BY 515 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.

LAT...LON 2683 8061 2660 8063 2666 8088 2674 8088
      2673 8084 2671 8082 2671 8078 2669 8074
      2672 8073 2676 8075 2678 8074 2677 8072
      2675 8071 2676 8070 2682 8069
TIME...MOT...LOC 2101Z 280DEG 24KT 2669 8083

$$

GREGORIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 10:05 AM EDTSpecial Marine WarningMFL55 min
Jun 21, 2:03 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 21, 3:37 PM EDTSpecial Weather StatementMFLMiami-Dade23 min
Jun 21, 3:41 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jun 21, 4:06 PM EDTSpecial Weather StatementMFLPalm Beach24 min
Jun 21, 4:10 PM EDTSpecial Weather StatementMFLGlades35 min
Jun 21, 4:12 PM EDTSpecial Weather StatementMFLMiami-Dade48 min
Jun 21, 4:21 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry39 min
Jun 21, 4:25 PM EDTSpecial Marine WarningMFL95 min
Jun 21, 4:26 PM EDTSevere Thunderstorm WarningMFLPalm Beach49 min
Jun 21, 4:41 PM EDTSpecial Weather StatementMFLBroward49 min
Jun 21, 5:11 PM EDTSpecial Weather StatementMFLBroward64 min
Jun 21, 5:12 PM EDTTornado WarningMFLPalm Beach33 min
Jun 21, 5:21 PM EDTSevere Thunderstorm WarningMFLBroward54 min
Jun 21, 5:43 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach27 min
Jun 21, 5:44 PM EDTSevere Thunderstorm WarningMFLPalm Beach25 min
Jun 21, 5:50 PM EDTSpecial Marine WarningMFL115 min
Jun 21, 6:27 PM EDTSpecial Weather StatementMFLPalm Beach48 min
Jun 21, 6:58 PM EDTSpecial Weather StatementMFLMiami-Dade32 min
Jun 21, 7:12 PM EDTSpecial Weather StatementMFLMonroe33 min
Jun 21, 7:40 PM EDTSpecial Marine WarningMFL48 min
Jun 21, 7:50 PM EDTSpecial Weather StatementMFLMiami-Dade25 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.