Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 13, NWS Miami, FL

June 18, 2007Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jun 18, 2007, 9:11 AM EDT for Miami-Dade County, Florida. It was in force for 19 min. 1 report 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 18, 2007, 9:11 AM EDT (13:11 UTC)
Expired
Jun 18, 2007, 9:30 AM EDT
In force
19 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 31 km from the middle of the area, began a volume at 13:12 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 18, 9:20 AM EDTTORNADOMiami Beach, FLWATERSPOUT MOVED ONSHORE MIAMI BEACH NEAR 10TH STREET, ACROSS THE BEACH AND OCEAN DRIVE INTO LUMMUS PARK WHERE IT DISSIPATED. BEACH CHAIRS WERE BLOWN AROUND.

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, 1.2 hours before the alert went out and 17 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 2007-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3293 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 2007-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
3293 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
36 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.

000 
WFUS52 KMFL 181313
TORMFL
FLC086-181330-
/O.NEW.KMFL.TO.W.0013.070618T1311Z-070618T1330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
911 AM EDT MON JUN 18 2007

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME EAST CENTRAL MIAMI-DADE COUNTY IN SOUTH FLORIDA.

* UNTIL 930 AM EDT

* AT 906 AM EDT...THE PUBLIC REPORTED A WATERSPOUT OVER BISCAYNE 
  BAY WHICH MAY AFFECT MIAMI BEACH TO VIRGINIA KEY AREAS. THIS 
  TORNADO WILL MOVE EAST AT 5 MPH.

SOUTH FLORIDA TORNADOES MAY AT TIMES BE SMALL AND NARROW BUT THEY ARE
STILL DANGEROUS. THEY CAN EASILY FLIP A VEHICLE OR TRAILER OR CAUSE
LARGE TREES TO FALL. TAKE COVER INSIDE A STURDY BUILDING IMMEDIATELY.

LAT...LON 2568 8014 2584 8011 2583 8014 2568 8019

$$

GR
1 follow-up statement
000
WWUS52 KMFL 181328
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
928 AM EDT MON JUN 18 2007

FLC086-181338-
/O.EXP.KMFL.TO.W.0013.000000T0000Z-070618T1330Z/
MIAMI-DADE FL-
928 AM EDT MON JUN 18 2007

...THE TORNADO WARNING FOR EXTREME EAST CENTRAL MIAMI-DADE COUNTY
EXPIRES AT 930 AM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE TORNADO HAS
DISSIPATED. THUS THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 2568 8014 2584 8011 2583 8014 2568 8019

$$

GR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:03 AM EDTSpecial Marine WarningMFL57 min
Jun 18, 5:17 PM EDTMarine Weather StatementMFL58 min
Jun 18, 7:04 PM EDTMarine Weather StatementMFL56 min
Jun 18, 7:53 PM EDTSpecial Marine WarningMFL67 min

Nearby

Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007

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.