Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 3, NWS Miami, FL

May 22, 2012Broward County, Florida

NWS Miami, FL issued this tornado warning at May 22, 2012, 2:00 PM EDT for Broward County, Florida. It was in force for 12 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 22, 2012, 2:00 PM EDT (18:00 UTC)
Expired
May 22, 2012, 2:12 PM EDT
In force
12 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 78 km from the middle of the area, began a volume at 18:01 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, 6.0 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 2012-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1333 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 2012-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
1333 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

673 
WFUS52 KMFL 221800
TORMFL
FLC011-221830-
/O.NEW.KMFL.TO.W.0003.120522T1800Z-120522T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
200 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BROWARD METRO IN SOUTHEAST FLORIDA...
  INCLUDING THE CITY OF CORAL SPRINGS...

* UNTIL 230 PM EDT

* AT 158 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PARKLAND...
  MOVING NORTHEAST AT 5 MPH.


* THE TORNADO WILL BE NEAR...
  RURAL NORTHEASTERN BROWARD COUNTY
  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.

&&

LAT...LON 2633 8031 2632 8023 2626 8029 2627 8033
TIME...MOT...LOC 1800Z 207DEG 5KT 2628 8030

$$

RIVERA
2 follow-up statements
385 
WWUS52 KMFL 221805
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
205 PM EDT TUE MAY 22 2012

FLC011-221830-
/O.CON.KMFL.TO.W.0003.000000T0000Z-120522T1830Z/
BROWARD FL-
205 PM EDT TUE MAY 22 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM EDT FOR
NORTHEASTERN BROWARD COUNTY...

AT 203 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO A HALF MILE WEST 
OF SAWGRASS EXPRESSWAY...NEAR CORAL SPRINGS. THE STORM IS MOVING 
NORTHEAST AT 5 MPH.

LAT...LON 2633 8031 2632 8023 2626 8029 2627 8033
TIME...MOT...LOC 1805Z 207DEG 5KT 2629 8030

$$

RIVERA
494 
WWUS52 KMFL 221812
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
212 PM EDT TUE MAY 22 2012

FLC011-221820-
/O.CAN.KMFL.TO.W.0003.000000T0000Z-120522T1830Z/
BROWARD FL-
212 PM EDT TUE MAY 22 2012

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

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE ROTATION THAT 
PROMPTED THE TORNADO WARNING HAS DISSIPATED. FOR THIS REASON...THE 
WARNING IS BEING CANCELLED.

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

LAT...LON 2633 8031 2632 8023 2626 8029 2627 8033
TIME...MOT...LOC 1810Z 207DEG 5KT 2630 8030

$$

RIVERA

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:00 PM EDTSpecial Weather StatementMFLMiami-Dade30 min
May 22, 9:32 AM EDTSpecial Marine WarningMFL35 min
May 22, 12:04 PM EDTSpecial Marine WarningMFL56 min
May 22, 12:26 PM EDTSpecial Weather StatementMFLPalm Beach34 min
May 22, 1:21 PM EDTAreal Flood AdvisoryMFLMiami-Dade114 min
May 22, 2:21 PM EDTSpecial Weather StatementMFLBroward39 min
May 22, 2:24 PM EDTFlash Flood WarningMFLMiami-Dade111 min
May 22, 2:39 PM EDTAreal Flood AdvisoryMFLBroward111 min
May 22, 4:25 PM EDTSpecial Weather StatementMFLBroward35 min
May 22, 5:04 PM EDTSpecial Weather StatementMFLMiami-Dade26 min
May 22, 5:15 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
May 22, 5:44 PM EDTSpecial Weather StatementMFLMiami-Dade31 min
May 22, 6:37 PM EDTSpecial Weather StatementMFLMiami-Dade23 min
May 22, 7:21 PM EDTFlash Flood WarningMFLMiami-Dade3 hr
May 22, 7:37 PM EDTSpecial Weather StatementMFLMiami-Dade53 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.