Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 3, NWS Miami, FL

February 13, 2008Broward County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Feb 13, 2008, 12:29 AM EST for Broward County, Palm Beach County, Florida. It was in force for 39 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
Feb 13, 2008, 12:29 AM EST (05:29 UTC)
Expired
Feb 13, 2008, 1:08 AM EST
In force
39 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 73 km from the middle of the area, began a volume at 05:30 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 watch it was issued in

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

IssuedProductOfficeLasted
Feb 12, 10:20 PM ESTTornado WatchSPC9 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 5.5 hours before the alert went out and 60 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 00:00Z on 2008-02-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 810 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 00:00Z on 2008-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 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
810 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 130531
SVRMFL
FLC011-099-130630-
/O.NEW.KMFL.SV.W.0003.080213T0529Z-080213T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1229 AM EST WED FEB 13 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BROWARD COUNTY IN SOUTH FLORIDA.
  SOUTH CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 130 AM EST

* AT 1226 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR MICCOSUKEE SERVICE PLAZA...
  AND MOVING NORTHEAST AT 30 MPH. THESE STORM WILL AFFECTED THE RURAL
  AREAS OF NORTHWEST BROWARD AND SOUTH CENTRAL PALM BEACH COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM EST WEDNESDAY MORNING 
FOR SOUTHERN FLORIDA.

LAT...LON 2604 8073 2610 8088 2614 8088 2651 8067
      2646 8034
TIME...MOT...LOC 0529Z 214DEG 29KT 2619 8077

$$

GR
1 follow-up statement
000
WWUS52 KMFL 130608
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
108 AM EST WED FEB 13 2008

FLC011-099-130618-
/O.CAN.KMFL.SV.W.0003.000000T0000Z-080213T0630Z/
PALM BEACH FL-BROWARD FL-
108 AM EST WED FEB 13 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BROWARD AND SOUTH
CENTRAL PALM BEACH COUNTIES IS CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
MOVED OUT OF THE WARNED AREA. THUS THE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM EST WEDNESDAY MORNING
FOR SOUTHERN FLORIDA.

LAT...LON 2604 8073 2610 8088 2614 8088 2651 8067
      2646 8034
TIME...MOT...LOC 0608Z 214DEG 29KT 2645 8057

$$

GR

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 7:13 PM ESTSpecial Weather StatementMFLCollier32 min
Feb 12, 7:25 PM ESTSpecial Marine WarningMFL2 hr
Feb 12, 7:50 PM ESTSpecial Weather StatementMFLCollier55 min
Feb 12, 8:03 PM ESTSpecial Weather StatementMFLCollier72 min
Feb 12, 8:19 PM ESTSevere Thunderstorm WarningMFLCollier56 min
Feb 12, 8:48 PM ESTSpecial Marine WarningMFL57 min
Feb 12, 9:02 PM ESTTornado WarningMFLCollier28 min
Feb 12, 9:44 PM ESTSpecial Weather StatementMFLHendry61 min
Feb 12, 9:45 PM ESTSpecial Marine WarningMFL45 min
Feb 12, 9:54 PM ESTSpecial Marine WarningMFL66 min
Feb 12, 9:57 PM ESTTornado WarningMFLHendry, Palm Beach33 min
Feb 12, 10:06 PM ESTSpecial Marine WarningMFL54 min
Feb 12, 10:06 PM ESTTornado WarningMFLCollier, Monroe24 min
Feb 12, 10:22 PM ESTSpecial Marine WarningMFL83 min
Feb 12, 10:29 PM ESTSpecial Weather StatementMFLPalm Beach31 min
Feb 12, 10:33 PM ESTSpecial Weather StatementMFLBroward57 min
Feb 12, 10:34 PM ESTSpecial Marine WarningMFL56 min
Feb 12, 10:37 PM ESTSpecial Weather StatementMFLPalm Beach53 min
Feb 12, 10:38 PM ESTTornado WarningMFLMonroe52 min
Feb 12, 10:40 PM ESTSpecial Marine WarningMFL35 min
Feb 12, 10:47 PM ESTSpecial Weather StatementMFLCollier58 min
Feb 12, 10:54 PM ESTSpecial Weather StatementMFLBroward66 min
Feb 12, 10:55 PM ESTSpecial Marine WarningMFL50 min
Feb 12, 10:58 PM ESTSpecial Marine WarningMFL92 min
Feb 12, 11:06 PM ESTTornado WarningMFLBroward, Palm Beach24 min
Feb 12, 11:13 PM ESTTornado WarningMFLBroward, Palm Beach62 min
Feb 12, 11:24 PM ESTSpecial Marine WarningMFL66 min
Feb 12, 11:30 PM ESTTornado WarningMFLCollier30 min
Feb 12, 11:42 PM ESTSpecial Weather StatementMFLHendry33 min
Feb 12, 11:53 PM ESTTornado WarningMFLPalm Beach52 min
Feb 12, 11:59 PM ESTTornado WarningMFLBroward, Collier31 min
Feb 13, 12:09 AM ESTTornado WarningMFLMonroe36 min
Feb 13, 12:22 AM ESTSpecial Marine WarningMFL53 min
Feb 13, 12:24 AM ESTSpecial Marine WarningMFL2 hr
Feb 13, 12:46 AM ESTTornado WarningMFLCollier, Monroe29 min
Feb 13, 1:00 AM ESTSevere Thunderstorm WarningMFLCollier, Monroe45 min
Feb 13, 1:06 AM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach24 min
Feb 13, 1:14 AM ESTSpecial Marine WarningMFL61 min
Feb 13, 1:17 AM ESTTornado WarningMFLBroward, Collier28 min
Feb 13, 1:29 AM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach51 min
Feb 13, 1:41 AM ESTTornado WarningMFLBroward25 min
Feb 13, 1:55 AM ESTSpecial Weather StatementMFLMonroe50 min
Feb 13, 2:09 AM ESTSpecial Marine WarningMFL96 min
Feb 13, 2:15 AM ESTSpecial Weather StatementMFLBroward, Palm Beach60 min
Feb 13, 2:28 AM ESTSpecial Marine WarningMFL92 min
Feb 13, 2:49 AM ESTSpecial Weather StatementMFLMiami-Dade26 min
Feb 13, 3:37 AM ESTSpecial Marine WarningMFL83 min
Feb 13, 4:00 AM ESTSpecial Marine WarningMFL60 min
Feb 13, 8:17 AM ESTSpecial Marine WarningMFL59 min
Feb 13, 10:16 AM ESTSpecial Weather StatementMFLMonroe29 min
Feb 13, 10:38 AM ESTSpecial Weather StatementMFLCollier22 min
Feb 13, 11:00 AM ESTSpecial Marine WarningMFL90 min
Feb 13, 12:21 PM ESTSpecial Weather StatementMFLBroward24 min
Feb 13, 12:27 PM ESTSpecial Marine WarningMFL75 min
Feb 13, 12:46 PM ESTSpecial Weather StatementMFLBroward29 min
Feb 13, 12:56 PM ESTSpecial Weather StatementMFLBroward34 min
Feb 13, 1:15 PM ESTSpecial Weather StatementMFLBroward, Miami-Dade60 min
Feb 13, 1:35 PM ESTSpecial Marine WarningMFL85 min
Feb 13, 1:49 PM ESTSevere Thunderstorm WarningMFLMiami-Dade42 min
Feb 13, 2:09 PM ESTSpecial Weather StatementMFLMiami-Dade36 min
Feb 13, 2:52 PM ESTSpecial Marine WarningMFL83 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.