Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 85, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 6, 1998, 10:48 AM EDT for Broward County, Florida. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 6, 1998, 10:48 AM EDT (14:48 UTC)
- Expired
- Aug 6, 1998, 11:35 AM EDT
- In force
- 47 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Broward County, FL
The radar
The Miami radar (KAMX), 60 km from the middle of the area, began a volume at 14:49 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 nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 2.8 hours before the alert went out and 40 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
- 2556 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 779 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 061448 RRA SVRMIA FLC011-061535- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 1048 AM EDT THU AUG 6 1998 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BROWARD COUNTY IN SOUTHEASTERN FLORIDA * UNTIL 1135 AM EDT * A SEVERE THUNDERSTORM WAS INDICATED BY RADAR THAT EXTENDED BETWEEN TAMARAC AND PLANTATION AT 1045 AM. THIS THUNDERSTORM WAS DRIFTING SLOWLY NORTH. * RESIDENTS IN LAUDERHILL...NORTH LAUDERDALE AND COCONUT CREEK CAN ALSO EXPECT SEVERE CONDITIONS FROM THIS STORM. WHEN THUNDERSTORMS ARE OCCURRING...MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINz. SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.
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.
In the hours before
Special weather statement, Aug 6, 6:00 AM EDT, 4 hours 48 minutes before
AMZ610-630-631-650>654-656-670>676-FLZ063-066>078-062200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT THU AUG 6 1998 ...SCATTERED SHOWERS AND THUNDERSTORMS OVER PENINSULA AND KEYS TODAY... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED MAINLY DURING THE AFTERNOON HOURS ACROSS MAINLAND SOUTH FLORIDA AND AT ANYTIME IN THE KEYS. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF WIND GUSTS TO AROUND 40 MPH... VERY HEAVY RAINS... AND FREQUENT LIGHTNING. IN ADDITION... ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE MAINLAND. THE PUBLIC IS ADVISED TO SEEK SHELTER INDOORS AND CONVERSELY TO NOT SEEK SHELTER BENEATH TREES DURING THUNDERSTORMS. REME|MBER... FLORIDA LEADS THE NATION IN LIGHTNING DEATHS AND INJURIES.
Special weather statement, Aug 6, 6:00 AM EDT, 4 hours 48 minutes before
AMZ610-630-631-650>654-656-670>676-FLZ063-066>078-062200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT THU AUG 6 1998 ...SCATTERED SHOWERS AND THUNDERSTORMS OVER PENINSULA AND KEYS TODAY... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED MAINLY DURING THE AFTERNOON HOURS ACROSS MAINLAND SOUTH FLORIDA AND AT ANYTIME IN THE KEYS. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF WIND GUSTS TO AROUND 40 MPH... VERY HEAVY RAINS... AND FREQUENT LIGHTNING. IN ADDITION... ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE MAINLAND. THE PUBLIC IS ADVISED TO SEEK SHELTER INDOORS AND CONVERSELY TO NOT SEEK SHELTER BENEATH TREES DURING THUNDERSTORMS. REME|MBER... FLORIDA LEADS THE NATION IN LIGHTNING DEATHS AND INJURIES.
Nearby
Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm warning in 1998
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.