Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 47, NWS Miami, FL

July 3, 2004Glades County, Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 3, 2004, 5:59 PM EDT for Glades County, Hendry County, Florida. It was in force for 31 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 3, 2004, 5:59 PM EDT (21:59 UTC)
Expired
Jul 3, 2004, 6:30 PM EDT
In force
31 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

Counties Glades County, FL, Hendry County, FL

The radar

The Tampa radar (KTBW), 134 km from the middle of the area, began a volume at 22:01 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

Tampa Bay, FL (KTBW), launched 12:00Z, 10.0 hours before the alert went out and 134 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, Tampa Bay, FL at 12:00Z on 2004-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 655 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, Tampa Bay, FL at 12:00Z on 2004-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
655 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
8 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 032159
SVRMIA
FLC043-051-032230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
558 PM EDT SAT JUL 3 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN GLADES COUNTY IN SOUTH FLORIDA.
  NORTHWESTERN HENDRY COUNTY IN SOUTH FLORIDA.

* UNTIL 630 PM EDT

* AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STORM CAPABLE OF PRODUCING NICKEL SIZE HAIL 6 MILES NORTHWEST OF LA
  BELLE...MOVING SOUTHEAST AT 10 MPH.

* THE STORM WILL AFFECT...
  MUSE BY 600 PM EDT.
  LA BELLE BY 630 PM EDT.

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. 

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. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4522 TO REPORT SEVERE WEATHER.

LAT...LON 2690 8154 2678 8157 2667 8150 2680 8130

$$

GARCIA

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 Jul 3, 2:10 PM EDT, 3 hours 49 minutes earlier.

Area forecast discussion, Jul 3, 2:10 PM EDT, 3 hours 49 minutes before
SOUTH FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
210 PM EDT SAT JUL 3 2004

.DISCUSSION...DEFINITELY MORE RAINFALL AROUND THE EAST COAST METRO
AREAS TODAY THAN IN RECENT DAYS. MODELS HANDLED FAIRLY WELL. PWATS
CLOSER TO 2 INCHES TODAY HELPED SET OFF CONVECTION BEFORE SEABREEZE
KICKED IN. MODELS INDICATING A SIMILAR SCENARIO FOR SUNDAY. WILL
CONTINUE CURRENT POPS OF 40 PERCENT ALL ZONES. SLIGHTLY DRIER
CONDITIONS THROUGH THE COMING WEEK WILL PUT SOUTH FLORIDA BACK IN THE
PATTERN OF RECENT PAST WITH LIONS SHARE OF RAINFALL INTERIOR AND
WEST. ONE BIT OF CHANGE OFFERED BY GFS IS SURFACE RIDGE SETTLING ACROSS
SOUTH FLORIDA TUESDAY AND WEDNESDAY. THIS SCENARIO SHOULD ALLOW
CONVECTION CLOSE TO ALL COASTAL AREAS...HOWEVER MODEL IS PRODUCING
BELOW CLIMO POPS ON THESE DAYS. IT MAY BE THAT RELATIVE LACK OF DEEP
MOISTURE MAY PRECLUDE CONVECTIVE INITIATION UNTIL AFTER SEABREEZE HAS
PUSHED WELL INLAND. DIFFICULT TO FORECAST HIGHER POPS THAN MEX THIS TIME
OF YEAR. WILL LEAVE CURRENT FORECASTS AS IS FOR THE REMAINDER OF THE
WEEK. MOS GUIDANCE TEMPERATURES LOOK GOOD.

&&

.MARINE...NO HIGHLIGHTS. WILL CONTINUE EAST/SOUTHEAST FLOW AT LESS THAN
15 KNOTS.

&&

.FIRE WEATHER...NO PROBLEMS. CAUTIONARY STATEMENT IN HWO FOR DRY FUELS
THROUGH THE FOURTH OF JULY WEEKEND.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH 78 91 78 91 / 20 40 20 20
FORT LAUDERDALE 78 90 79 90 / 20 40 20 20
MIAMI           78 90 79 91 / 20 40 20 20
NAPLES          75 90 75 91 / 30 40 30 40
&&

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

&&
Hazardous weather outlook, Jul 3, 3:52 AM EDT, 14 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIAMI FL
352 AM EDT SAT JUL 3 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA

FLZ068-072-074-032100-
BROWARD METROPOLITAN-DADE METROPOLITAN-PALM BEACH EASTERN-
352 AM EDT SAT JUL 3 2004

.DAY ONE...TODAY

...SCATTERED THUNDERSTORMS INLAND EAST METRO AREAS TODAY...
...EXERCISE CAUTION WITH FIREWORKS OVER EAST METRO AREAS...

ISOLATED SHOWERS AND THUNDERSTORMS SHOULD DEVELOP THIS MORNING OVER
THE ATLANTIC WATERS...AND MOVE WEST INTO THE EAST COAST METRO REGIONS
OF SOUTH FLORIDA. THE SHOWERS AND THUNDERSTORMS WILL THEN BECOME
SCATTERED INLAND THIS AFTERNOON ALONG THE EAST COAST SEA BREEZE. THE
PRIMARY THREAT FROM THESE STORMS WILL BE OCCASIONAL LIGHTNING
STRIKES...AND BRIEF LOCALLY HEAVY RAINFALL ALONG WITH GUSTY WINDS TO
35 MPH. IF YOU SEE LIGHTNING OR HEAR THUNDER MOVE
INTO A STURDY BUILDING.

DRY CONDITIONS PREVAIL OVER THE EAST COAST METRO AREAS OF SOUTH
FLORIDA FOR THE LAST COUPLE OF MONTHS. VEGETATION IS DRY AND FIRE
IGNITIONS IN VEGETATION CAN BE SET OFF BY FIREWORKS.
THEREFORE...PEOPLE NEED TO USE CAUTION WITH FIREWORKS.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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...SUNDAY THROUGH FRIDAY.

...EXERCISE CAUTION WITH FIREWORKS OVER EAST METRO AREAS...

DRY CONDITIONS PREVAIL OVER THE EAST COAST METRO AREAS OF SOUTH
FLORIDA FOR THE LAST COUPLE OF MONTHS. VEGETATION IS DRY AND FIRE
IGNITIONS IN VEGETATION CAN BE SET OFF BY FIREWORKS.
THEREFORE...PEOPLE NEED TO USE CAUTION WITH FIREWORKS.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

FLZ063-066-067-069>071-073-075-032100-
EASTERN COLLIER-GLADES-HENDRY-MAINLAND MONROE-PALM BEACH WESTERN-
WESTERN BROWARD-WESTERN COLLIER-WESTERN DADE-
352 AM EDT SAT JUL 3 2004

.DAY ONE...TODAY

...SCATTERED THUNDERSTORMS INTERIOR AND WEST COAST TODAY...

THE WEST COAST AND EAST COAST SEA BREEZES SHOULD DEVELOP THIS
AFTERNOON AND PUSH INLAND. THE EAST COAST SEA BREEZE SHOULD BE THE
DOMINATE SEA BREEZE TODAY MOVING ACROSS SOUTH FLORIDA...WHILE THE
WEST COAST SEA BREEZE WILL REMAIN NEAR THE COAST. SCATTERED
THUNDERSTORMS WILL DEVELOP ALONG BOTH SEA BREEZES THIS AFTERNOON WITH
OCCASIONAL LIGHTNING STRIKES AND BRIEF LOCALLY HEAVY RAINFALL ALONG
WITH GUSTY WINDS TO 35 MPH. IF YOU SEE LIGHTNING OR HEAR THUNDER MOVE
INTO A STURDY BUILDING.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

BAXTER

In the hours before

Special weather statement, Jul 3, 3:46 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
346 PM EDT SAT JUL 3 2004

FLZ063-066-067-032030-
GLADES-HENDRY-PALM BEACH WESTERN-
346 PM EDT SAT JUL 3 2004

AT 344 PM EDT DOPPLER RADAR INDICATED A CLUSTER OF STRONG
THUNDERSTORMS EXTENDING FROM JUST SOUTH OF CLEWISTON NORTHWEST TO
ORTONA AND SOUTHEAST OF PALMDALE. THESE STORMS WERE MOVING TO THE
NORTHWEST AT 10 MPH. THESE STORMS WILL PRODUCE VERY HEAVY
DOWNPOURS...STRONG WIND GUSTS TO 50 MPH...FREQUENT LIGHTNING AND
SMALL HAIL.

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

REPORT SIGNIFICANT 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. OR
YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4522 TO REPORT SIGNIFICANT WEATHER.
Special weather statement, Jul 3, 5:32 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
532 PM EDT SAT JUL 3 2004

FLZ066-070-032215-
EASTERN COLLIER-HENDRY-
532 PM EDT SAT JUL 3 2004

AT 531 PM EDT DOPPLER RADAR INDICATED TWO CLUSTERS OF STRONG
THUNDERSTORMS EXTENDING FROM JUST NORTH OF FELDA AND WEST OF STATE
ROAD 29 AND JUST EAST OF IMMOKALEE. THESE STORMS WERE MOVING TO THE WEST
AT 10 MPH. THESE STORMS WILL PRODUCE VERY HEAVY DOWNPOURS...STRONG
WIND GUSTS TO 50 MPH...FREQUENT LIGHTNING AND SMALL HAIL.

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

REPORT SIGNIFICANT 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. OR
YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT
305.229.4522 TO REPORT SIGNIFICANT WEATHER.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:22 PM EDTSevere Thunderstorm WarningMFLCollier38 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.