Alert archive / Florida / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 49, NWS Miami, FL

May 24, 2013Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 24, 2013, 6:48 PM EDT for Miami-Dade County, Florida. It was in force for 27 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
May 24, 2013, 6:48 PM EDT (22:48 UTC)
Expired
May 24, 2013, 7:15 PM EDT
In force
27 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 5 km from the middle of the area, began a volume at 22:51 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 12:00Z, 10.8 hours before the alert went out and 23 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 2013-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1213 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 2013-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1213 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
30 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.

327 
WUUS52 KMFL 242248
SVRMFL
FLC086-242315-
/O.NEW.KMFL.SV.W.0049.130524T2248Z-130524T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
648 PM EDT FRI MAY 24 2013

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MIAMI-DADE COUNTY IN SOUTH FLORIDA.

* UNTIL 715 PM EDT

* AT 646 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM SWEETWATER TO KENDALE LAKES TO INTERSECTION KROME AND KENDALL
  DRIVE...AND MOVING SOUTH AT 20 MPH.

* THE LINE OF STORMS WILL AFFECT...
  SWEETWATER...
  INTERSECTION KROME AND KENDALL DRIVE...
  WEST KENDALL...
  KENDALL...
  ZOO MIAMI...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND
OR LARGE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS
ALSO POSSIBLE. IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN
AN ENCLOSED BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 2560 8031 2546 8045 2554 8059 2578 8052
      2578 8044 2580 8034
TIME...MOT...LOC 2248Z 000DEG 15KT 2575 8037 2570 8045
          2572 8050

$$
KONARIK
2 follow-up statements
177 
WWUS52 KMFL 242302
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
702 PM EDT FRI MAY 24 2013

FLC086-242315-
/O.CON.KMFL.SV.W.0049.000000T0000Z-130524T2315Z/
MIAMI-DADE FL-
702 PM EDT FRI MAY 24 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CENTRAL MIAMI-DADE COUNTY...

AT 659 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM THE FALLS TO THE HAMMOCKS TO 
INTERSECTION OF KROME AND KENDALL DRIVE...MOVING SOUTH AT 15 MPH.

TRAINED SPOTTERS REPORTED HALF-INCH SIZED HAIL AND WIND GUSTS IN 
EXCESS OF 50 MPH WERE MEASURED IN WEST KENDALL.

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.

LAT...LON 2575 8033 2560 8031 2548 8043 2548 8044
      2549 8051 2554 8059 2574 8053
TIME...MOT...LOC 2300Z 000DEG 15KT 2567 8035 2567 8044
          2567 8050

$$
KONARIK
165 
WWUS52 KMFL 242315
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
715 PM EDT FRI MAY 24 2013

FLC086-242326-
/O.EXP.KMFL.SV.W.0049.000000T0000Z-130524T2315Z/
MIAMI-DADE FL-
715 PM EDT FRI MAY 24 2013

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIAMI-DADE COUNTY HAS
EXPIRED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
WEAKENED. THUS THE THUNDERSTORM WARNING HAS EXPIRED.

LAT...LON 2575 8033 2560 8031 2548 8043 2548 8044
      2549 8051 2554 8059 2574 8053
TIME...MOT...LOC 2302Z 000DEG 15KT 2566 8035 2566 8044
          2566 8050

$$
KONARIK

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 9:29 PM EDTSpecial Weather StatementMFLGlades31 min
May 23, 9:43 PM EDTSpecial Weather StatementMFLGlades32 min
May 23, 9:44 PM EDTSpecial Marine WarningMFL61 min
May 23, 9:54 PM EDTSevere Thunderstorm WarningMFLGlades36 min
May 23, 10:34 PM EDTSpecial Weather StatementMFLHendry41 min
May 23, 10:41 PM EDTSpecial Marine WarningMFL64 min
May 23, 11:14 PM EDTSpecial Weather StatementMFLPalm Beach31 min
May 23, 11:29 PM EDTSpecial Weather StatementMFLPalm Beach16 min
May 24, 3:17 AM EDTSpecial Marine WarningMFL28 min
May 24, 4:00 AM EDTSpecial Marine WarningMFL90 min
May 24, 4:42 PM EDTSpecial Weather StatementMFLBroward33 min
May 24, 5:15 PM EDTSpecial Weather StatementMFLBroward30 min
May 24, 5:18 PM EDTSevere Thunderstorm WarningMFLBroward27 min
May 24, 5:22 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
May 24, 5:25 PM EDTSpecial Weather StatementMFLMiami-Dade35 min
May 24, 5:45 PM EDTSpecial Weather StatementMFLBroward30 min
May 24, 5:51 PM EDTSpecial Weather StatementMFLCollier24 min
May 24, 5:55 PM EDTSpecial Weather StatementMFLMiami-Dade35 min
May 24, 6:35 PM EDTSpecial Weather StatementMFLMiami-Dade25 min
May 24, 7:13 PM EDTSpecial Weather StatementMFLMiami-Dade32 min
May 24, 7:17 PM EDTSpecial Weather StatementMFLCollier28 min
May 24, 7:48 PM EDTSpecial Weather StatementMFLCollier27 min

Nearby

Severe Thunderstorm Warnings in Florida, 2013Every severe thunderstorm warning in 2013

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.