Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 101, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 12, 1997, 3:24 PM EDT for Miami-Dade County, Monroe County, Florida. It was in force for 66 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
- Jul 12, 1997, 3:24 PM EDT (19:24 UTC)
- Expired
- Jul 12, 1997, 4:30 PM EDT
- In force
- 66 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Miami-Dade County, FL, Monroe County, FL
The radar
The Miami radar (KAMX), 30 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 49 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
- 2069 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 55 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 121958 RRB SVRMIA FLC025-087-122030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 324 PM EDT SAT JUL 12 1997 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST FLORIDA ...SOUTHERN DADE COUNTY AND THE UPPER KEYS OF MONROE COUNTY INCLUDING THE EASTERN PART OF FLORIDA BAY AND ADJACENT COASTAL WATERS. AT 319 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER THE EXTREME SOUTHERN PART OF DADE COUNTY 12 MILES SOUTH OF FLORIDA CITY NEAR ROUTE 1. THIS STORM WILL MOVE OUT OVER THE EXTREME EASTERN PART OF FLORIDA BAY BETWEEN 330 PM AND 345 PM EDT. LARGE HAIL AND DAMAGING WIND GUSTS OVER 57 MPH WILL LIKELY OCCUR IN THE VICINITY OF THIS STORM. WATERSPOUTS ARE ALSO POSSIBLE AS THIS STORM MOVES OVER THE BAY. IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN REPORT THE SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
1 follow-up statement
202 WUUS1 KMIA 121929 RRA SVRMIA FLC025-122030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 324 PM EDT SAT JUL 12 1997 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST FLORIDA ...SOUTHERN DADE COUNTY INCLUDING THE EASTERN PART OF FLORIDA BAY AND ADJACENT COASTAL WATERS. AT 319 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER THE EXTREME SOUTHERN PART OF DADE COUNTY 12 MILES SOUTH OF FLORIDA CITY NEAR ROUTE 1. THIS STORM WILL MOVE OUT OVER THE EXTREME EASTERN PART OF FLORIDA BAY BETWEEN 330 PM AND 345 PM EDT. LARGE HAIL AND DAMAGING WIND GUSTS OVER 57 MPH WILL LIKELY OCCUR IN THE VICINITY OF THIS STORM. WATERSPOUTS ARE ALSO POSSIBLE AS THIS STORM MOVES OVER THE BAY. IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN REPORT THE SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:56 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 49 min |
| Jul 12, 5:16 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 59 min |
| Jul 12, 6:44 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 46 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning in 1997
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.