Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 9, NWS Miami, FL

June 23, 2012Collier County, Florida

NWS Miami, FL issued this tornado warning at Jun 23, 2012, 3:58 PM EDT for Collier County, Florida. It was in force for 17 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 23, 2012, 3:58 PM EDT (19:58 UTC)
Expired: Jun 23, 2012, 4:15 PM EDT
In force: 17 min
Issued by: NWS Miami, FL
Area: Storm-based polygon

County Collier County, FL

The radar

The Miami radar (KAMX), 153 km from the middle of the area, began a volume at 19:59 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

Time	Report	Where	Remark
Jun 23, 4:00 PM EDT	TORNADO	2 E Vanderbilt Beach, FL	* 1 INJ * PROBABLE BRIEF TORNADO TOUCHDOWN AT NORTH COLLIER HOSPITAL ON CORNER OF IMMOKALEE AND GOODLETTE-FRANK ROADS IN NORTH NAPLES AREA. DAMAGE REPORTED TO TREES AND LIGHT POLES, BUT NO STRUCTURAL DAMAGE. A PERSON WAS STRUCK BY A DOWNED TREE LIMB AND WA

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, 8.0 hours before the alert went out and 154 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: 1891 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 535 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 114 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.

866 
WFUS52 KMFL 231958
TORMFL
FLC021-232015-
/O.NEW.KMFL.TO.W.0009.120623T1958Z-120623T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
358 PM EDT SAT JUN 23 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWEST COLLIER COUNTY IN SOUTHWEST FLORIDA...

* UNTIL 415 PM EDT

* AT 355 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH
  NAPLES...MOVING NORTH AT 25 MPH.


* THE TORNADO WILL BE NEAR...
  NORTH NAPLES...
  QUAIL CREEK ESTATES...
  AND SURROUNDING COMMUNITIES.

LAW ENFORCEMENT REPORTED A TORNADO NEAR TAMIAMI TRAIL AND RATTLESNAKE ROAD.

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 2632 8168 2622 8173 2622 8180 2632 8184
TIME...MOT...LOC 1957Z 173DEG 21KT 2624 8177

$$

BAXTER

1 follow-up statement

637 
WWUS52 KMFL 232011
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
411 PM EDT SAT JUN 23 2012

FLC021-232021-
/O.EXP.KMFL.TO.W.0009.000000T0000Z-120623T2015Z/
COLLIER FL-
411 PM EDT SAT JUN 23 2012

...THE TORNADO WARNING FOR NORTHWEST COLLIER COUNTY WILL
EXPIRE AT 415 PM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE TORNADO HAS MOVED
OUT OF THE WARNED AREA. THUS THE TORNADO WARNING WILL EXPIRE AT 415
PM EDT.

LAT...LON 2632 8168 2622 8173 2622 8180 2632 8184
TIME...MOT...LOC 2011Z 173DEG 21KT 2632 8178

$$

BAXTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:41 PM EDT	Special Marine Warning	MFL		2 hr
Jun 22, 9:29 PM EDT	Special Marine Warning	MFL		2 hr
Jun 22, 9:41 PM EDT	Small Craft Advisory	MFL		5 days
Jun 22, 9:51 PM EDT	Special Weather Statement	MFL	Collier, Monroe	54 min
Jun 22, 10:22 PM EDT	Special Weather Statement	MFL	Collier	53 min
Jun 22, 10:33 PM EDT	Special Weather Statement	MFL	Monroe	57 min
Jun 23, 7:44 AM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Jun 23, 3:25 PM EDT	Special Weather Statement	MFL	Collier	50 min
Jun 23, 3:32 PM EDT	Special Marine Warning	MFL		88 min
Jun 23, 4:00 PM EDT	Tornado Warning	MFL	Collier	30 min
Jun 23, 4:23 PM EDT	Tornado Warning	MFL	Collier	52 min
Jun 23, 4:27 PM EDT	Tornado Warning	MFL	Collier, Hendry	48 min
Jun 23, 4:54 PM EDT	Special Marine Warning	MFL		66 min
Jun 23, 5:07 PM EDT	Special Weather Statement	MFL	Monroe	38 min
Jun 23, 5:10 PM EDT	Special Marine Warning	MFL		95 min
Jun 23, 5:10 PM EDT	Tornado Warning	MFL	Hendry	65 min
Jun 23, 5:13 PM EDT	Special Weather Statement	MFL	Lee	32 min
Jun 23, 5:22 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	23 min
Jun 23, 5:36 PM EDT	Special Marine Warning	MFL		54 min
Jun 23, 5:44 PM EDT	Special Weather Statement	MFL	Collier	31 min
Jun 23, 5:50 PM EDT	Special Weather Statement	MFL	Miami-Dade	25 min
Jun 23, 5:54 PM EDT	Special Marine Warning	MFL		111 min
Jun 23, 6:06 PM EDT	Special Weather Statement	MFL	Hendry	54 min
Jun 23, 6:08 PM EDT	Tornado Warning	MFL	Collier, Hendry	67 min
Jun 23, 6:09 PM EDT	Special Weather Statement	MFL	Miami-Dade	51 min
Jun 23, 6:12 PM EDT	Special Marine Warning	MFL		63 min
Jun 23, 6:52 PM EDT	Special Weather Statement	MFL	Broward, Miami-Dade	23 min
Jun 23, 6:56 PM EDT	Special Marine Warning	MFL		73 min
Jun 23, 7:12 PM EDT	Special Weather Statement	MFL	Collier, Hendry	63 min
Jun 23, 7:23 PM EDT	Special Weather Statement	MFL	Broward	37 min
Jun 23, 7:35 PM EDT	Special Marine Warning	MFL		115 min
Jun 23, 7:47 PM EDT	Special Marine Warning	MFL		88 min

Nearby

Tornado Warnings in Florida, 2012 Every tornado warning in 2012 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.