Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 113, NWS Miami, FL

July 24, 2008Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 24, 2008, 1:31 PM EDT for Miami-Dade County, Florida. It was in force for 26 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
Jul 24, 2008, 1:31 PM EDT (17:31 UTC)
Expired
Jul 24, 2008, 1:57 PM EDT
In force
26 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 20 km from the middle of the area, began a volume at 17:33 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, 5.5 hours before the alert went out and 46 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 2008-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 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 2008-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
268 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-20 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.

000 
WUUS52 KMFL 241731
SVRMFL
FLC086-241815-
/O.NEW.KMFL.SV.W.0113.080724T1731Z-080724T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
131 PM EDT THU JUL 24 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 215 PM EDT

* AT 129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR   
  FLORIDA CITY...AND MOVING SOUTH VERY SLOWLY.

* THE STORM WILL AFFECT...
  FLORIDA CITY...
  AND SURROUNDING COMMUNITIES.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS IS
AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS

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 2537 8041 2540 8056 2553 8050 2551 8036
TIME...MOT...LOC 1730Z 019DEG 2KT 2544 8046

$$

BAXTER
3 follow-up statements
000 
WUUS52 KMFL 241733 CCA
SVRMFL
FLC086-241815-
/O.COR.KMFL.SV.W.0113.080724T1731Z-080724T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE MIAMI FL
131 PM EDT THU JUL 24 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 215 PM EDT

* AT 129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR   
  FLORIDA CITY...AND MOVING SOUTH VERY SLOWLY.

* THE STORM WILL AFFECT...
  FLORIDA CITY...
  AND SURROUNDING COMMUNITIES.

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 2537 8041 2540 8056 2553 8050 2551 8036
TIME...MOT...LOC 1730Z 019DEG 2KT 2544 8046

$$

BAXTER
000
WWUS52 KMFL 241748
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
148 PM EDT THU JUL 24 2008

FLC086-241815-
/O.CON.KMFL.SV.W.0113.000000T0000Z-080724T1815Z/
MIAMI-DADE FL-
148 PM EDT THU JUL 24 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR SOUTHEAST MIAMI-DADE COUNTY...

AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR FLORIDA CITY  THIS STORM WAS MOVING VERY SLOWLY TO THE SOUTHWEST.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  FLORIDA CITY...
  AND SURROUNDING COMMUNITIES.

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 2537 8041 2540 8056 2553 8050 2551 8036
TIME...MOT...LOC 1748Z 025DEG 2KT 2542 8048

$$

BAXTER
000
WWUS52 KMFL 241757
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
157 PM EDT THU JUL 24 2008

FLC086-241806-
/O.CAN.KMFL.SV.W.0113.000000T0000Z-080724T1815Z/
MIAMI-DADE FL-
156 PM EDT THU JUL 24 2008

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIAMI-DADE COUNTY IS
CANCELLED...

THE THUNDERSTORMS THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAVE
WEAKENED BELOW SEVERE LIMITS. THEREFORE...THE SEVERE THUNDERSTORM WARNING
HAS BEEN CANCELLED. HOWEVER...THUNDERSTORMS REMAIN IN THE AREA AND
FREQUENT LIGHTNING...GUSTY WINDS TO 40 MPH...VERY HEAVY RAINFALL ALONG WITH
SMALL HAIL ARE STILL POSSIBLE WITH THE THUNDERSTORMS. STAY
TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES.

LAT...LON 2537 8041 2540 8056 2553 8050 2551 8036
TIME...MOT...LOC 1756Z 180DEG 0KT 2542 8048

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 8:04 PM EDTSpecial Marine WarningMFL56 min
Jul 23, 8:16 PM EDTSpecial Marine WarningMFL14 min
Jul 23, 8:56 PM EDTSpecial Marine WarningMFL64 min
Jul 24, 12:24 PM EDTSpecial Weather StatementMFLMiami-Dade36 min
Jul 24, 12:54 PM EDTSpecial Weather StatementMFLMiami-Dade36 min
Jul 24, 1:12 PM EDTSpecial Weather StatementMFLBroward48 min
Jul 24, 1:44 PM EDTSpecial Weather StatementMFLBroward46 min
Jul 24, 2:34 PM EDTSpecial Weather StatementMFLBroward26 min
Jul 24, 3:34 PM EDTSpecial Weather StatementMFLHendry26 min
Jul 24, 3:38 PM EDTSpecial Weather StatementMFLBroward37 min
Jul 24, 3:54 PM EDTSpecial Marine WarningMFL36 min
Jul 24, 3:56 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jul 24, 5:19 PM EDTSpecial Weather StatementMFLPalm Beach26 min
Jul 24, 5:38 PM EDTSpecial Weather StatementMFLPalm Beach37 min

Nearby

Severe Thunderstorm Warnings in Florida, 2008Every severe thunderstorm warning in 2008

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.