Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 6, NWS Miami, FL

June 1, 2012Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jun 1, 2012, 4:25 PM EDT for Miami-Dade County, Florida. It was in force for 20 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 1, 2012, 4:25 PM EDT (20:25 UTC)
Expired
Jun 1, 2012, 4:45 PM EDT
In force
20 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 28 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 54 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 2012-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 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 2012-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
436 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

470 
WFUS52 KMFL 012025
TORMFL
FLC086-012045-
/O.NEW.KMFL.TO.W.0006.120601T2025Z-120601T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
425 PM EDT FRI JUN 1 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA...
  THIS INCLUDES THE CITIES OF...HOMESTEAD MIAMI 
  SPEEDWAY...HOMESTEAD GENERAL AIRPORT...HOMESTEAD...AND
  FLORIDA CITY

* UNTIL 445 PM EDT

* AT 422 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES SOUTH OF
  ROYAL PALM RANGER STATION...MOVING NORTHEAST AT 35 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH.

* THE TORNADO WILL BE NEAR...
  ROYAL PALM RANGER STATION...
  FLORIDA CITY...
  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.

MOVE INDOORS AND TO THE LOWEST LEVEL OF A STURDY BUILDING. STAY AWAY
FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY
OVERPASS. 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 COULD DEVELOP ANYTIME.

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.

&&

LAT...LON 2543 8032 2541 8032 2521 8057 2522 8058
      2521 8059 2525 8067 2555 8060 2545 8032
      2544 8031
TIME...MOT...LOC 2025Z 216DEG 31KT 2530 8057

$$

BAXTER
2 follow-up statements
380 
WWUS52 KMFL 012035
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
435 PM EDT FRI JUN 1 2012

FLC086-012045-
/O.CON.KMFL.TO.W.0006.000000T0000Z-120601T2045Z/
MIAMI-DADE FL-
435 PM EDT FRI JUN 1 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR SOUTH
CENTRAL MIAMI-DADE COUNTY...

AT 431 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. DAMAGING WINDS IN
EXCESS OF 60 MPH ARE ALSO POSSIBLE. THIS STORM WAS LOCATED 6 MILES
SOUTHEAST OF ROYAL PALM RANGER STATION...MOVING NORTHEAST AT 35 MPH.

THE STORM WILL BE NEAR...
  FLORIDA CITY...
  HOMESTEAD...
  AND SURROUNDING COMMUNITIES.

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 COULD POSSIBLY DEVELOP ANYTIME. 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.

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.

LAT...LON 2543 8032 2541 8032 2521 8057 2522 8058
      2521 8059 2525 8067 2555 8060 2545 8032
      2544 8031
TIME...MOT...LOC 2034Z 216DEG 31KT 2536 8052

$$

BAXTER
805 
WWUS52 KMFL 012041
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
441 PM EDT FRI JUN 1 2012

FLC086-012050-
/O.EXP.KMFL.TO.W.0006.000000T0000Z-120601T2045Z/
MIAMI-DADE FL-
441 PM EDT FRI JUN 1 2012

...THE TORNADO WARNING FOR SOUTH CENTRAL MIAMI-DADE COUNTY WILL
EXPIRE AT 445 PM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE TORNADO HAS
DISSIPATED. THUS THE TORNADO WARNING WILL EXPIRE AT 445 PM EDT.

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

LAT...LON 2543 8032 2541 8032 2521 8057 2522 8058
      2521 8059 2525 8067 2555 8060 2545 8032
      2544 8031
TIME...MOT...LOC 2040Z 216DEG 31KT 2540 8049

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 2:11 AM EDTSpecial Weather StatementMFLMonroe49 min
Jun 1, 2:42 AM EDTTornado WarningMFLMiami-Dade, Monroe25 min
Jun 1, 4:22 AM EDTSpecial Marine WarningMFL53 min
Jun 1, 4:49 AM EDTFlood WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more15 hr
Jun 1, 7:24 AM EDTSpecial Marine WarningMFL81 min
Jun 1, 8:03 AM EDTSpecial Marine WarningMFL87 min
Jun 1, 8:39 AM EDTSpecial Marine WarningMFL96 min
Jun 1, 8:43 AM EDTSpecial Weather StatementMFLMonroe62 min
Jun 1, 9:22 AM EDTSpecial Marine WarningMFL38 min
Jun 1, 9:25 AM EDTTornado WarningMFLMonroe13 min
Jun 1, 10:11 AM EDTSpecial Marine WarningMFL94 min
Jun 1, 11:28 AM EDTSpecial Marine WarningMFL51 min
Jun 1, 2:15 PM EDTSpecial Marine WarningMFL60 min
Jun 1, 2:37 PM EDTSpecial Weather StatementMFLMonroe53 min
Jun 1, 3:38 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe52 min
Jun 1, 4:21 PM EDTSpecial Weather StatementMFLMiami-Dade54 min
Jun 1, 4:23 PM EDTSpecial Marine WarningMFL52 min
Jun 1, 4:50 PM EDTSpecial Marine WarningMFL55 min
Jun 1, 5:07 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
Jun 1, 5:39 PM EDTSpecial Marine WarningMFL96 min
Jun 1, 5:51 PM EDTSpecial Weather StatementMFLBroward24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.