Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 66, NWS Miami, FL

June 6, 2012Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 6, 2012, 8:05 AM EDT for Broward County, Florida. It was in force for 16 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
Jun 6, 2012, 8:05 AM EDT (12:05 UTC)
Expired
Jun 6, 2012, 8:21 AM EDT
In force
16 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 53 km from the middle of the area, began a volume at 12:07 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 nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 0.1 hours before the alert went out and 33 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 2012-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2953 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 2012-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
2953 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

809 
WUUS52 KMFL 061205
SVRMFL
FLC011-061230-
/O.NEW.KMFL.SV.W.0066.120606T1205Z-120606T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
805 AM EDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BROWARD COUNTY IN SOUTH FLORIDA.

* UNTIL 830 AM EDT

* AT 804 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  INTERSECTION U.S. 27 PINES BLVD...AND MOVING NORTHEAST AT 30 MPH.

* THE STORM WILL AFFECT...
  INTERSECTION U.S. 27 PINES BLVD...
  WESTON...
  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.

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 2618 8043 2608 8032 2597 8044 2604 8053
TIME...MOT...LOC 1205Z 219DEG 28KT 2604 8045

$$

GARCIA
1 follow-up statement
431 
WWUS52 KMFL 061221
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
821 AM EDT WED JUN 6 2012

FLC011-061231-
/O.CAN.KMFL.SV.W.0066.000000T0000Z-120606T1230Z/
BROWARD FL-
821 AM EDT WED JUN 6 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BROWARD COUNTY IS
CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
WEAKENED. THUS THE THUNDERSTORM WARNING HAS BEEN 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 2618 8043 2608 8032 2597 8044 2604 8053
TIME...MOT...LOC 1221Z 219DEG 28KT 2614 8036

$$

GARCIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 2:56 AM EDTSpecial Weather StatementMFLCollier49 min
Jun 6, 3:02 AM EDTSpecial Marine WarningMFL58 min
Jun 6, 3:21 AM EDTSpecial Weather StatementMFLCollier24 min
Jun 6, 3:41 AM EDTSevere Thunderstorm WarningMFLCollier, Hendry34 min
Jun 6, 3:47 AM EDTSpecial Weather StatementMFLCollier43 min
Jun 6, 4:12 AM EDTSpecial Weather StatementMFLCollier, Hendry48 min
Jun 6, 4:19 AM EDTSpecial Weather StatementMFLHendry41 min
Jun 6, 4:35 AM EDTSevere Thunderstorm WarningMFLGlades, Hendry, Palm Beach40 min
Jun 6, 4:37 AM EDTSpecial Weather StatementMFLBroward23 min
Jun 6, 4:59 AM EDTSpecial Marine WarningMFL68 min
Jun 6, 5:05 AM EDTSpecial Marine WarningMFL85 min
Jun 6, 5:14 AM EDTSpecial Weather StatementMFLCollier46 min
Jun 6, 5:24 AM EDTSevere Thunderstorm WarningMFLCollier51 min
Jun 6, 5:31 AM EDTSpecial Weather StatementMFLCollier44 min
Jun 6, 5:39 AM EDTSevere Thunderstorm WarningMFLCollier42 min
Jun 6, 5:42 AM EDTTornado WarningMFLCollier28 min
Jun 6, 5:55 AM EDTSpecial Weather StatementMFLPalm Beach35 min
Jun 6, 6:19 AM EDTSpecial Weather StatementMFLPalm Beach41 min
Jun 6, 6:44 AM EDTSpecial Weather StatementMFLPalm Beach31 min
Jun 6, 6:47 AM EDTSpecial Marine WarningMFL58 min
Jun 6, 7:01 AM EDTSevere Thunderstorm WarningMFLPalm Beach44 min
Jun 6, 7:18 AM EDTSevere Thunderstorm WarningMFLPalm Beach27 min
Jun 6, 7:29 AM EDTSpecial Weather StatementMFLMiami-Dade46 min
Jun 6, 7:33 AM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jun 6, 7:36 AM EDTSevere Thunderstorm WarningMFLMiami-Dade39 min
Jun 6, 7:40 AM EDTSpecial Marine WarningMFL65 min
Jun 6, 7:40 AM EDTSpecial Weather StatementMFLPalm Beach35 min
Jun 6, 7:54 AM EDTSpecial Marine WarningMFL66 min
Jun 6, 8:02 AM EDTSpecial Weather StatementMFLBroward28 min
Jun 6, 8:08 AM EDTSevere Thunderstorm WarningMFLMiami-Dade37 min
Jun 6, 8:37 AM EDTSpecial Marine WarningMFL53 min
Jun 6, 8:38 AM EDTSevere Thunderstorm WarningMFLMiami-Dade37 min
Jun 6, 8:49 AM EDTSpecial Marine WarningMFL56 min
Jun 6, 8:52 AM EDTSpecial Weather StatementMFLPalm Beach23 min
Jun 6, 9:02 AM EDTSpecial Weather StatementMFLMiami-Dade28 min
Jun 6, 2:24 PM EDTSpecial Marine WarningMFL66 min
Jun 6, 2:37 PM EDTSpecial Weather StatementMFLBroward23 min
Jun 6, 3:05 PM EDTSpecial Weather StatementMFLPalm Beach25 min
Jun 6, 3:10 PM EDTSpecial Marine WarningMFL35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.