Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 72, NWS Miami, FL

June 9, 2012Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 9, 2012, 1:34 AM EDT for Collier County, Florida. It was in force for 41 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 9, 2012, 1:34 AM EDT (05:34 UTC)
Expired: Jun 9, 2012, 2:15 AM EDT
In force: 41 min
Issued by: NWS Miami, FL
Area: Storm-based polygon

County Collier County, FL

The radar

The Miami radar (KAMX), 152 km from the middle of the area, began a volume at 05:36 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, 5.6 hours before the alert went out and 153 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: 1020 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

344 
WUUS52 KMFL 090534
SVRMFL
FLC021-090615-
/O.NEW.KMFL.SV.W.0072.120609T0534Z-120609T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
134 AM EDT SAT JUN 9 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN COLLIER COUNTY IN SOUTH FLORIDA.

* UNTIL 215 AM EDT

* AT 126 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 19
  MILES NORTHWEST OF GOLDEN GATE...AND MOVING EAST AT 25 MPH.

* THE STORM WILL AFFECT...
   NAPLES...GOLDEN GATE...VANDERBILT BEACH...BONITA SHORES 
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58
MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES AND
AVOID WATER. MOVE INDOORS OR INSIDE A VEHICLE IF POSSIBLE. AVOID
USING THE TELEPHONE UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG
UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

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. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4528 TO REPORT SEVERE WEATHER.

&&

LAT...LON 2634 8183 2632 8181 2632 8167 2642 8167
      2643 8166 2643 8157 2648 8157 2649 8155
      2616 8156 2615 8179 2616 8182 2633 8185
TIME...MOT...LOC 0533Z 274DEG 24KT 2628 8193

$$

JR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 12:32 AM EDT	Special Marine Warning	MFL		118 min
Jun 9, 1:52 AM EDT	Tornado Warning	MFL	Collier	23 min
Jun 9, 2:01 AM EDT	Special Marine Warning	MFL		59 min
Jun 9, 2:09 AM EDT	Special Weather Statement	MFL	Glades	36 min
Jun 9, 2:16 AM EDT	Severe Thunderstorm Warning	MFL	Collier, Glades, Hendry	59 min
Jun 9, 2:55 AM EDT	Special Marine Warning	MFL		73 min
Jun 9, 3:03 AM EDT	Special Marine Warning	MFL		81 min
Jun 9, 3:41 AM EDT	Special Weather Statement	MFL	Collier	34 min
Jun 9, 3:08 PM EDT	Special Weather Statement	MFL	Broward	52 min
Jun 9, 3:14 PM EDT	Severe Thunderstorm Warning	MFL	Broward	30 min
Jun 9, 3:17 PM EDT	Special Weather Statement	MFL	Martin	28 min
Jun 9, 3:29 PM EDT	Special Weather Statement	MFL	Glades	31 min
Jun 9, 3:30 PM EDT	Special Marine Warning	MFL		90 min
Jun 9, 3:46 PM EDT	Special Weather Statement	MFL	Palm Beach	29 min
Jun 9, 3:57 PM EDT	Special Weather Statement	MFL	Glades	48 min
Jun 9, 4:05 PM EDT	Areal Flood Advisory	MFL	Broward	34 min
Jun 9, 4:58 PM EDT	Special Marine Warning	MFL		47 min
Jun 9, 5:19 PM EDT	Special Weather Statement	MFL	Broward	41 min
Jun 9, 6:45 PM EDT	Special Weather Statement	MFL	Collier	45 min
Jun 9, 7:22 PM EDT	Severe Thunderstorm Warning	MFL	Collier	38 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.