Alert archive / Florida / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 48, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 6, 2004, 3:44 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 46 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 6, 2004, 3:44 PM EDT (19:44 UTC)
- Expired
- Jul 6, 2004, 4:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Miami, FL
- Area
- Counties, with a storm outline in the text
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 74 km from the middle of the area, began a volume at 19:43 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, 7.7 hours before the alert went out and 51 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.
- Mixed-layer CAPE
- 2197 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMFL 061944 SVRMIA FLC011-099-062030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 342 PM EDT TUE JUL 6 2004 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BROWARD COUNTY IN SOUTH FLORIDA. SOUTHERN PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 430 PM EDT * AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM 3 MILES NORTHWEST OF OVER CORAL SPRINGS. THE STORM WAS NEARLY STATIONARY. * THE STORM WILL AFFECT... CORAL SPRINGS VICINITY. PARKLAND VICINITY. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS OVER 60 MPH...AND HAIL TO THE SIZE OF NICKELS. 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 2620 8042 2620 8022 2638 8022 2638 8042 $$ 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 Jul 6, 2:00 PM EDT, 1 hour 44 minutes earlier.
Area forecast discussion, Jul 6, 2:00 PM EDT, 1 hour 44 minutes before
SOUTH FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 200 PM EDT TUE JUL 6 2004 .DISCUSSION...SURFACE RIDGE SHIFTING SOUTH AS I WRITE THIS AND WILL END UP OVER THE EXTREME SOUTHERN TIP OF THE PENINSULA ON WEDNESDAY BEFORE MOVING BACK NORTH AGAIN ON THURSDAY. DRY AIR ALOFT CONTINUES OVER THE BAHAMAS EXTENDING WESTWARD TO SOUTH FLORIDA. THUS POPS WILL CONTINUE TO REMAIN BELOW CLIMO WITH VERY WEAK STEERING FLOW. THIS WILL MEAN THAT CONVECTION THIS EVENING TO BE CONFINED AROUND THE NORTHERN ZONES AND THEN PRETTY MUCH DEVELOP ANYWHERE ON WEDNESDAY AFTERNOON WITH LITTLE MOVEMENT TO THE CELLS. SHOULD THEN GET BACK MORE TO A NORTHWEST-WEST ZONE COVERAGE ON THURSDAY WITH SE FLOW RETURNING. VERY WEAK WAVE WILL MOVE ACROSS SOUTH FLORIDA ON SATURDAY WITH A SLIGHT INCREASE IN POPS BUT STILL NOTHING TO ALLEVIATE THE DRY CONDITIONS THEN WE DRY OUT AGAIN LATE WEEKEND INTO EARLY NEXT WEEK. && .MARINE...VERY WEAK SURFACE FLOW WILL CONTINUE NEARLY CALM SEAS. WIND SPEEDS AT 10 KNOTS OR LESS WILL RESULT IN SEAS AT 2 FEET OR LESS THROUGH MUCH OF THE PERIOD. && .FIRE WEATHER...NO CONCERNS WITH PLENTY OF LOW LEVEL MOISTURE. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 76 91 76 90 / 20 40 20 20 FORT LAUDERDALE 78 90 78 90 / 10 30 20 20 MIAMI 79 91 78 91 / 10 30 20 20 NAPLES 76 89 76 91 / 10 10 - 40 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. &&
Hazardous weather outlook, Jul 6, 9:00 AM EDT, 6 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 900 AM EDT TUE JUL 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA FLZ068-072-074-062200- BROWARD METROPOLITAN-DADE METROPOLITAN-PALM BEACH EASTERN- 900 AM EDT TUE JUL 6 2004 .DAY ONE...TODAY ...HEAT INDICES 100 TO 105 THIS AFTERNOON EAST COAST... ...SCATTERED THUNDERSTORMS INLAND EAST COAST METRO AREAS TODAY... HEAT INDICES GET INTO THE 100 TO 105 RANGE THIS AFTERNOON. SHOWERS AND THUNDERSTORMS WILL BECOME SCATTERED OVER THE INLAND AREAS 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. 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. 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... SPOTTER ACTIVATION IS NOT ANTICIPATED. FLZ063-066-067-062200- GLADES-HENDRY-PALM BEACH WESTERN- 900 AM EDT TUE JUL 6 2004 .DAY ONE...TODAY ...FEW STRONG STORMS LATE TODAY OR THIS EVENING OVER NORTH INTERIOR......HEAT INDICES 105 TO 110 THIS AFTERNOON INTERIOR... THE WEST COAST AND EAST COAST SEA BREEZES SHOULD DEVELOP THIS AFTERNOON AND PUSH INLAND WITH SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING ALONG THE SEA BREEZES. WHERE THE SEA BREEZES AND LAKE BREEZES COLLIDE LATE THIS AFTERNOON OR EVENING...A FEW OF THE STORMS COULD BECOME STRONG WITH WIND GUSTS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTING STRIKES...AND LOCALLY HEAVY RAINFALL. THE HEAT INDICES GET INTO THE 105 TO 110 RANGE THIS AFTERNOON. 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... SPOTTER ACTIVATION MAY BE REQUIRED. FLZ069>071-073-075-062200- EASTERN COLLIER-MAINLAND MONROE-WESTERN BROWARD-WESTERN COLLIER- WESTERN DADE- 900 AM EDT TUE JUL 6 2004 .DAY ONE...TODAY ...SCATTERED THUNDERSTORMS INLAND WEST COAST METRO AREAS TODAY... ...HEAT INDICES 100 TO 105 THIS AFTERNOON WEST COAST AREAS... SHOWERS AND THUNDERSTORMS WILL BECOME SCATTERED OVER THE INLAND WEST COAST METRO AREAS THIS AFTERNOON ALONG THE WEST 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. THE HEAT INDICES GET INTO THE 100 TO 105 RANGE THIS AFTERNOON. 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... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Special weather statement, Jul 6, 3:40 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 340 PM EDT TUE JUL 6 2004 FLZ067-068-072-062000- BROWARD METROPOLITAN-PALM BEACH EASTERN-PALM BEACH WESTERN- 340 PM EDT TUE JUL 6 2004 ...STRONG THUNDERSTORMS JUST NORTHWEST OF CORAL SPRINGS... AT 340 PM...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS AFFECTING AREAS JUST 3 MILES NORTHWEST OF CORAL SPRINGS ALONG AND NORTHWEST OF THE SAWGRASS EXPRESSWAY. THESE THUNDERSTORMS MAY PRODUCE WIND GUSTS TO 40 MPH. DANGEROUS CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAINFALL WILL ALSO ACCOMPANY THESE THUNDERSTORMS. SHOULD THE STORMS INTENSIFY ANY FURTHER...A WARNING WILL BE ISSUED. 57
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:48 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 42 min |
| Jul 6, 4:05 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 55 min |
| Jul 6, 7:28 PM EDT | Special Marine Warning | MFL | 62 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.