Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 63, NWS Miami, FL

June 6, 2012Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 6, 2012, 7:01 AM EDT for Palm Beach County, Florida. It was in force for 44 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, 7:01 AM EDT (11:01 UTC)
Expired: Jun 6, 2012, 7:45 AM EDT
In force: 44 min
Issued by: NWS Miami, FL
Area: Storm-based polygon

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 125 km from the middle of the area, began a volume at 11:02 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 00:00Z, 11.0 hours before the alert went out and 100 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2033 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1306 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

882 
WUUS52 KMFL 061101
SVRMFL
FLC099-061145-
/O.NEW.KMFL.SV.W.0063.120606T1101Z-120606T1145Z/

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 745 AM EDT

* AT 654 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR GREENACRES CITY...AND
  MOVING NORTH AT 15 MPH.

* THE STORM WILL AFFECT...
  GOLDEN LAKES...
  ROYAL PALM BEACH...
  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.

&&

LAT...LON 2678 8024 2677 8006 2660 8008 2662 8023
TIME...MOT...LOC 1100Z 175DEG 12KT 2668 8015

$$

GARCIA

1 follow-up statement

806 
WWUS52 KMFL 061138
SVSMFL

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

FLC099-061148-
/O.EXP.KMFL.SV.W.0063.000000T0000Z-120606T1145Z/
PALM BEACH FL-
738 AM EDT WED JUN 6 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PALM BEACH COUNTY
WILL EXPIRE AT 745 AM EDT...

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 2678 8024 2677 8006 2660 8008 2662 8023
TIME...MOT...LOC 1138Z 175DEG 12KT 2681 8016

$$

GARCIA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 2:56 AM EDT	Special Weather Statement	MFL	Collier	49 min
Jun 6, 3:02 AM EDT	Special Marine Warning	MFL		58 min
Jun 6, 3:21 AM EDT	Special Weather Statement	MFL	Collier	24 min
Jun 6, 3:41 AM EDT	Severe Thunderstorm Warning	MFL	Collier, Hendry	34 min
Jun 6, 3:47 AM EDT	Special Weather Statement	MFL	Collier	43 min
Jun 6, 4:12 AM EDT	Special Weather Statement	MFL	Collier, Hendry	48 min
Jun 6, 4:19 AM EDT	Special Weather Statement	MFL	Hendry	41 min
Jun 6, 4:35 AM EDT	Severe Thunderstorm Warning	MFL	Glades, Hendry, Palm Beach	40 min
Jun 6, 4:37 AM EDT	Special Weather Statement	MFL	Broward	23 min
Jun 6, 4:59 AM EDT	Special Marine Warning	MFL		68 min
Jun 6, 5:05 AM EDT	Special Marine Warning	MFL		85 min
Jun 6, 5:14 AM EDT	Special Weather Statement	MFL	Collier	46 min
Jun 6, 5:24 AM EDT	Severe Thunderstorm Warning	MFL	Collier	51 min
Jun 6, 5:31 AM EDT	Special Weather Statement	MFL	Collier	44 min
Jun 6, 5:39 AM EDT	Severe Thunderstorm Warning	MFL	Collier	42 min
Jun 6, 5:42 AM EDT	Tornado Warning	MFL	Collier	28 min
Jun 6, 5:55 AM EDT	Special Weather Statement	MFL	Palm Beach	35 min
Jun 6, 6:19 AM EDT	Special Weather Statement	MFL	Palm Beach	41 min
Jun 6, 6:44 AM EDT	Special Weather Statement	MFL	Palm Beach	31 min
Jun 6, 6:47 AM EDT	Special Marine Warning	MFL		58 min
Jun 6, 7:18 AM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	27 min
Jun 6, 7:29 AM EDT	Special Weather Statement	MFL	Miami-Dade	46 min
Jun 6, 7:33 AM EDT	Special Weather Statement	MFL	Miami-Dade	42 min
Jun 6, 7:36 AM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	39 min
Jun 6, 7:40 AM EDT	Special Marine Warning	MFL		65 min
Jun 6, 7:40 AM EDT	Special Weather Statement	MFL	Palm Beach	35 min
Jun 6, 7:54 AM EDT	Special Marine Warning	MFL		66 min
Jun 6, 8:02 AM EDT	Special Weather Statement	MFL	Broward	28 min
Jun 6, 8:05 AM EDT	Severe Thunderstorm Warning	MFL	Broward	16 min
Jun 6, 8:08 AM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	37 min
Jun 6, 8:37 AM EDT	Special Marine Warning	MFL		53 min
Jun 6, 8:38 AM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	37 min
Jun 6, 8:49 AM EDT	Special Marine Warning	MFL		56 min
Jun 6, 8:52 AM EDT	Special Weather Statement	MFL	Palm Beach	23 min
Jun 6, 9:02 AM EDT	Special Weather Statement	MFL	Miami-Dade	28 min
Jun 6, 2:24 PM EDT	Special Marine Warning	MFL		66 min
Jun 6, 2:37 PM EDT	Special Weather Statement	MFL	Broward	23 min
Jun 6, 3:05 PM EDT	Special Weather Statement	MFL	Palm Beach	25 min
Jun 6, 3:10 PM EDT	Special Marine Warning	MFL		35 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012 Every 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.