Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 47, NWS Miami, FL

June 15, 2011Collier County, Hendry County, Monroe County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 15, 2011, 7:53 PM EDT for Collier County, Hendry County, Monroe County, Florida. It was in force for 34 min. 3 reports 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 15, 2011, 7:53 PM EDT (23:53 UTC)
Expired
Jun 15, 2011, 8:27 PM EDT
In force
34 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Collier County, FL, Hendry County, FL, Monroe County, FL

The radar

The Miami radar (KAMX), 113 km from the middle of the area, began a volume at 23:56 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 15, 8:00 PM EDTTSTM WND DMGNaples, FLNUMEROUS REPORTS OF TREE BRANCHES AND TREES DOWN ACROSS THE NAPLES-GOLDEN GATE ESTATES-IMMOKALEE AREAS. POWER LINES REPORTED DOWN THROUGHOUT NAPLES AND NAPLES METRO. RAINFALL AMOUNTS BETWEEN 2.5 AND 4 INCHES HAVE ALSO BEEN REPORTED.
Jun 15, 8:04 PM EDTTSTM WND GST 62Belle Meade, FL
Jun 15, 8:10 PM EDTTSTM WND GST 583 N Marco Island, FLMEASURED AT ISLE OF CAPRI FIRE STATION.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 15, 1:52 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 11.9 hours before the alert went out and 119 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 2011-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2477 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2477 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
11 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.

683 
WUUS52 KMFL 152353
SVRMFL
FLC021-051-087-160100-
/O.NEW.KMFL.SV.W.0047.110615T2353Z-110616T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
753 PM EDT WED JUN 15 2011

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HENDRY COUNTY IN SOUTH FLORIDA.
  COLLIER COUNTY IN SOUTH FLORIDA.
  NORTHERN MAINLAND MONROE COUNTY IN SOUTH FLORIDA.

* UNTIL 900 PM EDT

* AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 4 MILES NORTHWEST OF NAPLES TO 9 MILES SOUTHWEST OF
  MILE MARKER 90 ON ALLIGATOR ALLEY TO 4 MILES EAST OF MILE MARKER 60
  ON ALLIGATOR ALLEY...AND MOVING SOUTH AT 25 MPH.

* THE LINE OF STORMS WILL AFFECT...
  EAST NAPLES...
  SOUTH NAPLES...
  BELLE MEADE...
  COPELAND...
  BIG CYPRESS NATIONAL PRESERVE...
  CARNESTOWN...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 70
MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

&&

LAT...LON 2632 8182 2632 8166 2638 8166 2634 8146
      2634 8089 2559 8089 2559 8125 2568 8129
      2573 8122 2579 8128 2581 8137 2585 8140
      2587 8149 2583 8153 2589 8154 2589 8168
      2584 8168 2585 8170 2609 8181
TIME...MOT...LOC 2353Z 017DEG 24KT 2617 8184 2605 8146
          2614 8098

$$

TINGLER
2 follow-up statements
639 
WWUS52 KMFL 160014
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
814 PM EDT WED JUN 15 2011

FLC051-160024-
/O.CAN.KMFL.SV.W.0047.000000T0000Z-110616T0100Z/
HENDRY FL-
814 PM EDT WED JUN 15 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HENDRY COUNTY IS
CANCELLED...

LAT...LON 2599 8176 2625 8117 2625 8090 2559 8089
      2559 8125 2568 8129 2573 8122 2579 8128
      2581 8137 2585 8140 2587 8149 2583 8153
      2589 8154 2589 8168 2584 8168 2585 8170
TIME...MOT...LOC 0014Z 017DEG 24KT 2598 8194 2586 8156
          2595 8108

$$

FLC021-087-160100-
/O.CON.KMFL.SV.W.0047.000000T0000Z-110616T0100Z/
MAINLAND MONROE FL-COLLIER FL-
814 PM EDT WED JUN 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHERN COLLIER AND NORTHERN MAINLAND MONROE COUNTIES...

AT 809 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES WEST OF MARCO ISLAND TO PORT OF THE ISLANDS
TO BIG CYPRESS NATIONAL PRESERVE...MOVING SOUTH AT 30 MPH.

LAT...LON 2599 8176 2625 8117 2625 8090 2559 8089
      2559 8125 2568 8129 2573 8122 2579 8128
      2581 8137 2585 8140 2587 8149 2583 8153
      2589 8154 2589 8168 2584 8168 2585 8170
TIME...MOT...LOC 0014Z 017DEG 24KT 2598 8194 2586 8156
          2595 8108

$$

TINGLER
504 
WWUS52 KMFL 160027
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
827 PM EDT WED JUN 15 2011

FLC021-087-160037-
/O.CAN.KMFL.SV.W.0047.000000T0000Z-110616T0100Z/
MAINLAND MONROE FL-COLLIER FL-
827 PM EDT WED JUN 15 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN COLLIER AND NORTHERN
MAINLAND MONROE COUNTIES IS CANCELLED...

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 2599 8176 2625 8117 2625 8090 2559 8089
      2559 8125 2568 8129 2573 8122 2579 8128
      2581 8137 2585 8140 2587 8149 2583 8153
      2589 8154 2589 8168 2584 8168 2585 8170
TIME...MOT...LOC 0027Z 017DEG 24KT 2590 8197 2578 8159
          2587 8111

$$

TINGLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:00 PM EDTSpecial Weather StatementMFLPalm Beach30 min
Jun 14, 8:15 PM EDTSevere Thunderstorm WarningMFLPalm Beach30 min
Jun 14, 8:27 PM EDTSpecial Weather StatementMFLBroward48 min
Jun 14, 8:31 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach44 min
Jun 14, 9:00 PM EDTSpecial Marine WarningMFL31 min
Jun 15, 2:57 PM EDTSpecial Weather StatementMFLMiami-Dade33 min
Jun 15, 3:14 PM EDTSevere Thunderstorm WarningMFLMiami-Dade31 min
Jun 15, 3:38 PM EDTSpecial Weather StatementMFLMiami-Dade52 min
Jun 15, 3:45 PM EDTSpecial Weather StatementMFLHendry30 min
Jun 15, 3:48 PM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jun 15, 4:14 PM EDTSpecial Weather StatementMFLGlades31 min
Jun 15, 4:16 PM EDTSpecial Weather StatementMFLCollier29 min
Jun 15, 4:33 PM EDTSpecial Weather StatementMFLMonroe42 min
Jun 15, 4:36 PM EDTSpecial Weather StatementMFLCollier24 min
Jun 15, 4:57 PM EDTSpecial Weather StatementMFLCollier33 min
Jun 15, 5:09 PM EDTSpecial Weather StatementMFLBroward36 min
Jun 15, 5:15 PM EDTSpecial Marine WarningMFL90 min
Jun 15, 5:15 PM EDTSevere Thunderstorm WarningMFLCollier, Miami-Dade30 min
Jun 15, 5:20 PM EDTSpecial Weather StatementMFLGlades40 min
Jun 15, 5:44 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe31 min
Jun 15, 5:54 PM EDTSpecial Weather StatementMFLBroward36 min
Jun 15, 5:57 PM EDTSpecial Weather StatementMFLGlades, Palm Beach33 min
Jun 15, 6:05 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach25 min
Jun 15, 6:29 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach46 min
Jun 15, 6:30 PM EDTSpecial Weather StatementMFLGlades, Hendry, Palm Beach30 min
Jun 15, 6:35 PM EDTSevere Thunderstorm WarningMFLPalm Beach40 min
Jun 15, 6:40 PM EDTSpecial Marine WarningMFL35 min
Jun 15, 6:43 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry47 min
Jun 15, 6:52 PM EDTSpecial Weather StatementMFLCollier53 min
Jun 15, 7:04 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry, Palm Beach41 min
Jun 15, 7:13 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry47 min
Jun 15, 7:20 PM EDTSpecial Weather StatementMFLPalm Beach40 min
Jun 15, 7:33 PM EDTSpecial Marine WarningMFL87 min

Nearby

Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011

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.