Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 46, NWS Miami, FL

July 2, 2004Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 2, 2004, 8:22 PM EDT for Collier County, Florida. It was in force for 38 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 2, 2004, 8:22 PM EDT (00:22 UTC)
Expired
Jul 2, 2004, 9:00 PM EDT
In force
38 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Collier County, FL

The radar

The Miami radar (KAMX), 135 km from the middle of the area, began a volume at 00:24 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 00:00Z, 0.4 hours before the alert went out and 131 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 2004-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2059 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 00:00Z on 2004-07-03The 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
2059 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
13 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 030022
SVRMIA
FLC021-030100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
821 PM EDT FRI JUL 2 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN COLLIER COUNTY IN SOUTH FLORIDA.

* UNTIL 900 PM EDT

* AT 821 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STORM CAPABLE OF PRODUCING DIME SIZE HAIL...AND DAMAGING WINDS OVER
  IMMOKALEE...MOVING WEST AT 5 MPH.

* THE STORM WILL AFFECT...
  IMMOKALEE BY 825 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. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

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 2641 8132 2651 8138 2644 8155 2631 8152

$$

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 2, 2:05 PM EDT, 6 hours 17 minutes earlier.

Area forecast discussion, Jul 2, 2:05 PM EDT, 6 hours 17 minutes before
SOUTH FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
205 PM EDT FRI JUL 2 2004

.DISCUSSION...ATMOSPHERE REMAINS RELATIVELY DRY AND STABLE OVER SOUTH
FLORIDA FOR THIS TIME OF YEAR. MODELS CONTINUE TO MAINTAIN SURFACE
RIDGE IN ITS CURRENT POSITION NORTH OF SOUTH FLORIDA THROUGH THE
FORESEEABLE FUTURE. BEST CHANCE FOR ANY RAIN THIS RUN LOOKS TO BE IN
RESPONSE TO A WEAK TROPICAL WAVE CURRENTLY MOVING WEST TOWARD EASTERN
CUBA. MODELS ALL INDICATING THIS WAVE SHOULD BRING ENOUGH MOISTURE AND
FORCING ACROSS SOUTH FLORIDA THIS WEEKEND TO RAISE THREAT OF RAIN A BIT
HIGHER THAN IN RECENT DAYS. MOS GUIDANCE CONVERGING ON ABOUT 50 PERCENT
POPS MOST ZONES. WILL KEEP THE CURRENT 40 PERCENT FORECAST EAST COAST...
GIVEN BUST OF LAST WAVE. CURRENT/RECENT SATELLITE IMAGERY OF WAVE DOES
NOT REALLY SUPPORT MUCH OF AN ARGUMENT FOR RAISING POPS ANY HIGHER. MOS
TEMPERATURE GUIDANCE LOOKS GOOD.

REST OF FORECAST PERIODS LOOK LIKE CARBON COPY OF PAST FEW DAYS WITH
ISOLATED SHOWERS EAST COAST EACH NIGHT AND MORNING...SCATTERED
STORMS INTERIOR/WEST EACH AFTERNOON AND EVENING.

&&

.MARINE...WINDS WILL BE MOSTLY EAST LESS THAN 15 KNOTS THROUGH THE
FORECAST. NO HIGHLIGHTS.

&&

.FIRE WEATHER...NO FIRE WEATHER HIGHLIGHTS...HOWEVER HWO WILL CONTINUE
WITH CAUTIONARY STATEMENT THROUGH THE FOURTH OF JULY WEEKEND MENTIONING
DRY FUELS EAST ZONES.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH 77 89 77 89 / 20 40 40 40
FORT LAUDERDALE 79 89 78 89 / 20 40 40 40
MIAMI           79 89 78 90 / 20 40 40 40
NAPLES          75 90 76 91 / 10 50 50 40
&&

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

&&
Hazardous weather outlook, Jul 2, 4:30 AM EDT, 15 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE MIAMI FL
430 AM EDT FRI JUL 2 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA

FLZ068-072-074-022100-
BROWARD METROPOLITAN-DADE METROPOLITAN-PALM BEACH EASTERN-
430 AM EDT FRI JUL 2 2004

.DAY ONE...TODAY

...MODERATE RISK OF WATERSPOUTS ATLANTIC WATERS TODAY...
...ISOLATED THUNDERSTORMS EAST COAST TODAY...

THE WINDS OVER THE ATLANTIC WATERS WILL BE OUT OF THE EAST AT 10
KNOTS OR LESS TODAY...AS HIGH PRESSURE WILL REMAIN OVER NORTH
FLORIDA. THIS WILL ALLOW FOR A MODERATE RISK OF WATERSPOUTS ALONG THE
ATLANTIC WATERS OF SOUTH FLORIDA TODAY.

ISOLATED SHOWERS AND THUNDERSTORMS COULD OCCUR OVER THE EAST METRO
REGIONS OF SOUTH FLORIDA THIS MORNING OR EARLY AFTERNOON BEFORE THE
EAST COAST SEA BREEZE PUSHES INLAND. THE PRIMARY THREAT FROM THESE
STORMS WILL BE OCCASIONAL LIGHTNING STRIKES...AND BRIEF LOCALLY
HEAVY RAINFALL ALONG WITH GUSTY WINDS TO 35 MPH.

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...SATURDAY THROUGH THURSDAY.

...EXERCISE CAUTION WITH FIREWORKS THIS WEEKEND 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 THIS WEEKEND.
THEREFORE...PEOPLE NEED TO USE CAUTION WITH FIREWORKS THIS WEEKEND.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

FLZ063-066-067-069>071-073-075-022100-
EASTERN COLLIER-GLADES-HENDRY-MAINLAND MONROE-PALM BEACH WESTERN-
WESTERN BROWARD-WESTERN COLLIER-WESTERN DADE-
430 AM EDT FRI JUL 2 2004

.DAY ONE...TODAY

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

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 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...SATURDAY THROUGH THURSDAY.

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 2, 7:55 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
755 PM EDT FRI JUL 2 2004

FLZ066-070-030045-
EASTERN COLLIER-HENDRY-
755 PM EDT FRI JUL 2 2004

AT 754 PM EDT DOPPLER RADAR INDICATED A CLUSTER OF STRONG
THUNDERSTORMS EXTENDING FROM THE GOLDEN GATE NORTH THROUGH IMMOKALEE
AND TO JUST SOUTH LA BELLE. THESE STORMS WERE BARELY MOVING. 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 3, 5:59 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry31 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.