Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 43, NWS Miami, FL

June 22, 2004Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 22, 2004, 2:16 PM EDT for Broward County, Florida. It was in force for 59 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 22, 2004, 2:16 PM EDT (18:16 UTC)
Expired
Jun 22, 2004, 3:15 PM EDT
In force
59 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Broward County, FL

The radar

The Miami radar (KAMX), 58 km from the middle of the area, began a volume at 18:17 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.3 hours before the alert went out and 32 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 2004-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1840 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2004-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1840 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-23 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.

162 
WUUS52 KMFL 221816
SVRMIA
FLC011-221915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
214 PM EDT TUE JUN 22 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BROWARD COUNTY IN SOUTH FLORIDA.

* UNTIL 315 PM EDT

* AT 214 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS OVER
  COOPER CITY...MOVING NORTHEAST AT 5 MPH.

* THE STORM WILL AFFECT...
  PLANTATION 
  NORTH LAUDERDALE.

SPOTTERS HAD REPORTED PEA SIZE HAIL WITH THIS STORM...BUT HAIL TO 
THE SIZE OF NICKELS IS LIKELY NOW WITH THIS STORM. SEVERE 
THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 
MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF 
YOUR HOME OR BUSINESS. 

LAT...LON 2608 8037 2597 8021 2612 8005 2630 8026

$$

57

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 2:00 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 22, 2:00 PM EDT, 16 minutes before
SOUTH FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
200 PM EDT TUE JUN 22 2004

.DISCUSSION...THE FRONTAL TROUGH TO OUR NORTH HAS DEFINITELY
WEAKENED AND THE SURFACE RIDGE THAT HAS BEEN TO OUR SOUTH HAS MOVED
NORTH.  THIS NORTHWARD MOVEMENT SHOULD CONTINUE WITH THE RIDGELINE
BEING NORTH OF US BY THURSDAY AND REMAINING THERE THROUGH THE REST
OF THE FORECAST SINCE THERE IS NOTHING TO MOVE IT BACK SOUTH.

SATELLITE SHOWS DRIER AIR ON EITHER SIDE OF US AND TO THE SOUTH.
THIS SHOULD MOVE OVER ON WEDNESDAY THUS LOWERING THE CHANCE OF RAIN.
THE TROPICAL WAVE STILL SHOULD BE HERE THURSDAY ALTHOUGH MIGHT NOT
BE AS STRONG AS EARLIER EXPECTED SO WILL EASE OFF THE PROBABILITIES
A LITTLE.

BEYOND THAT NOTHING TO REALLY CHANGE THE EASTERLY FLOW RAIN PATTERN
EXCEPT IF WE DO HAVE ANOTHER WAVE IN THE NEXT TUESDAY TIMEFRAME.
HOWEVER THIS WAVE IS VERY FAR OUT IN THE ATLANTIC AND VERY WEAK
TODAY SO WILL KEEP A STEADY STATE FORECAST IN PLACE IN THE EXTENDED.
&&

.MARINE...BOATING SHOULD FINALLY HAVE A RELATIVELY STEADY EASTERLY
DIRRECTION IN THE ATLANTIC THROUGH THE PERIOD.  MAYBE SOME HIGHER
WINDSPEEDS WITH THE WAVE/S.
&&

.FIRE WEATHER...NO HIGHLIGHTS AS HUMIDITIES REMAIN HIGH AND WINDS
RELATIVELY LOW.
&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH 77 93 79 91 / 10 10 10 30
FORT LAUDERDALE 79 92 80 90 / 00 10 10 30
MIAMI           79 91 80 91 / 00 10 10 30
NAPLES          77 92 76 93 / 00 20 10 40
&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.

&&
Hazardous weather outlook, Jun 22, 10:53 AM EDT, 3 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
1053 AM EDT TUE JUN 22 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA

FLZ063-066>075-222200-
BROWARD METROPOLITAN-DADE METROPOLITAN-EASTERN COLLIER-GLADES-HENDRY-
MAINLAND MONROE-PALM BEACH EASTERN-PALM BEACH WESTERN-
WESTERN BROWARD-WESTERN COLLIER-WESTERN DADE-
1053 AM EDT TUE JUN 22 2004

.DAY ONE...THIS AFTERNOON

THUNDERSTORMS WILL DEVELOP ACROSS SOUTH FLORIDA THIS AFTERNOON. THE
THUNDERSTORMS WILL BE MOST CONCENTRATED ACROSS INTERIOR AND EASTERN
SECTIONS OF SOUTH FLORIDA...AFFECTING THE PALM BEACH...FORT
LAUDERDALE...AND MIAMI METRO AREAS. THERE IS A CHANCE THAT A FEW
THUNDERSTORMS COULD PRODUCE DAMAGING WINDS THIS AFTERNOON.
DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL WILL
ACCOMPANY THE STORMS THIS AFTERNOON.

HIGH TEMPERATURES THIS AFTERNOON IN THE LOWER TO MID 90S...COMBINED
WITH DEWPOINTS IN THE MID 70S...WILL RESULT IN MAXIMUM HEAT INDICES
OF UP TO 108 DEGREES ACROSS INLAND PORTIONS OF PALM
BEACH...BROWARD...AND MIAMI-DADE COUNTIES. LOCATIONS IMMEDIATELY
ALONG THE GULF AND ATLANTIC COASTS WILL BE A FEW DEGREES COOLER.

ADDITIONAL INFORMATION AND DETAILED GRAPHICS CAN BE FOUND ON THE
NATIONAL WEATHER SERVICE WEB SITE AT MIAMIWEATHER.INFO. FOR
INFORMATION IN SPANISH, VISIT OUR WEB SITE AT ELTIEMPOENMIAMI.INFO.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

LIMITED SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON TO SOLICIT
RAINFALL AND WIND OBSERVATIONS...MOST LIKELY OVER PALM BEACH AND
BROWARD COUNTIES.

57

In the hours before

Special weather statement, Jun 22, 2:08 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
208 PM EDT TUE JUN 22 2004

FLZ072-221835-
BROWARD METROPOLITAN-
208 PM EDT TUE JUN 22 2004

...STRONG THUNDERSTORMS IMPACTING THE FORT LAUDERDALE METRO...

AT 205 PM...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS AFFECTING
PARTS OF THE FORT LAUDERDALE METRO AREA. THE STORMS WILL AFFECT
AREAS FROM COOPER CITY TO SUNRISE...WHILE MOVING NORTHEASTWARD AT 5
MPH. STRONG GUSTY WINDS TO 40 MPH AND TORRENTIAL RAINFALL WILL
ACCOMPANY THESE THUNDERSTORMS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

57

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:43 PM EDTSevere Thunderstorm WarningMFLGlades62 min
Jun 22, 3:54 PM EDTSpecial Marine WarningMFL36 min

Nearby

Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm warning in 2004

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.