Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 5, NWS Miami, FL

June 1, 2012Monroe County, Florida

NWS Miami, FL issued this tornado warning at Jun 1, 2012, 9:25 AM EDT for Monroe County, Florida. It was in force for 13 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 1, 2012, 9:25 AM EDT (13:25 UTC)
Expired
Jun 1, 2012, 9:38 AM EDT
In force
13 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Miami radar (KAMX), 79 km from the middle of the area, began a volume at 13:24 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

Key West, FL (KEYW), launched 12:00Z, 1.4 hours before the alert went out and 101 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, Key West, FL at 12:00Z on 2012-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 964 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, Key West, FL at 12:00Z on 2012-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
964 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
823 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

598 
WFUS52 KMFL 011325
TORMFL
FLC087-011400-
/O.NEW.KMFL.TO.W.0005.120601T1325Z-120601T1400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
925 AM EDT FRI JUN 1 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MAINLAND MONROE COUNTY IN SOUTHWEST FLORIDA...

* UNTIL 1000 AM EDT

* AT 924 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTHWEST
  CAPE SABLE...MOVING NORTHEAST AT 15 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL CENTRAL MAINLAND MONROE COUNTY
  AND SURROUNDING COMMUNITIES.

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 2525 8118 2533 8115 2534 8112 2531 8109
      2533 8105 2536 8107 2540 8101 2542 8104
      2543 8111 2550 8106 2533 8086 2528 8095
      2533 8099 2531 8109 2523 8103 2519 8111
TIME...MOT...LOC 1325Z 224DEG 14KT 2527 8111

$$

BAXTER
1 follow-up statement
580 
WWUS52 KMFL 011338
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
938 AM EDT FRI JUN 1 2012

FLC087-011347-
/O.CAN.KMFL.TO.W.0005.000000T0000Z-120601T1400Z/
MAINLAND MONROE FL-
938 AM EDT FRI JUN 1 2012

...THE TORNADO WARNING FOR SOUTHERN MAINLAND MONROE COUNTY IS
CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE TORNADO HAS
DISSIPATED. THUS THE TORNADO WARNING HAS BEEN CANCELLED.

THUNDERSTORMS REMAIN IN THE AREA OF SOUTHERN MAINLAND MONROE COUNTY.
LIGHTNING STRIKES...GUSTY WINDS TO 40 MPH...AND VERY HEAVY RAINFALL
ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA
FOR THE LATEST UPDATES.

LAT...LON 2525 8118 2533 8115 2534 8112 2531 8109
      2533 8105 2536 8107 2540 8101 2542 8104
      2543 8111 2550 8106 2533 8086 2528 8095
      2533 8099 2531 8109 2523 8103 2519 8111
TIME...MOT...LOC 1337Z 224DEG 14KT 2530 8107

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 2:11 AM EDTSpecial Weather StatementMFLMonroe49 min
Jun 1, 2:42 AM EDTTornado WarningMFLMiami-Dade, Monroe25 min
Jun 1, 4:22 AM EDTSpecial Marine WarningMFL53 min
Jun 1, 4:49 AM EDTFlood WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more15 hr
Jun 1, 7:24 AM EDTSpecial Marine WarningMFL81 min
Jun 1, 8:03 AM EDTSpecial Marine WarningMFL87 min
Jun 1, 8:39 AM EDTSpecial Marine WarningMFL96 min
Jun 1, 8:43 AM EDTSpecial Weather StatementMFLMonroe62 min
Jun 1, 9:22 AM EDTSpecial Marine WarningMFL38 min
Jun 1, 10:11 AM EDTSpecial Marine WarningMFL94 min
Jun 1, 11:28 AM EDTSpecial Marine WarningMFL51 min
Jun 1, 2:15 PM EDTSpecial Marine WarningMFL60 min
Jun 1, 2:37 PM EDTSpecial Weather StatementMFLMonroe53 min
Jun 1, 3:38 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe52 min
Jun 1, 4:21 PM EDTSpecial Weather StatementMFLMiami-Dade54 min
Jun 1, 4:23 PM EDTSpecial Marine WarningMFL52 min
Jun 1, 4:25 PM EDTTornado WarningMFLMiami-Dade20 min
Jun 1, 4:50 PM EDTSpecial Marine WarningMFL55 min
Jun 1, 5:07 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
Jun 1, 5:39 PM EDTSpecial Marine WarningMFL96 min
Jun 1, 5:51 PM EDTSpecial Weather StatementMFLBroward24 min

Nearby

Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.