Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 40, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 28, 1997, 1:37 AM EDT for Broward County, Florida. It was in force for 63 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
- May 28, 1997, 1:37 AM EDT (05:37 UTC)
- Expired
- May 28, 1997, 2:40 AM EDT
- In force
- 63 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 05:41 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 00:00Z, 5.6 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
- 2965 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMIA 280537 RRA
SVRMIA
FLC011-FLZ502-280640-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
137 AM EDT WED MAY 28 1997
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 240
AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
IN SOUTHEAST FLORIDA
...EASTERN BROWARD COUNTY
AND THE ADJACENT COASTAL WATERS FROM DEERFIELD BEACH TO
HALLANDALE
AT 130 AM...MIAMI DOPPLER RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM FROM OAKLAND PARK TO THE WESTERN PARTS OF FORT
LAUDERDALE. THIS STORM WILL AFFECT THE SOUTHEAST BROWARD
COMMUNITIES OF DAVIE...COOPER CITY...DANIA AND HOLLYWOOD
THROUGH 215 AM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.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
Local storm report, May 27, 11:44 PM EDT, 1 hour 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
1144 PM EDT TUE MAY 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1143 PM HIALEAH FL HAIL
05/27/97 DADE NWS EMPLOYEE REPORTED PEA SIZED
HAIL NEAR OKEECHOBEE ROAD AND
SR 826.Local storm report, May 27, 11:48 PM EDT, 1 hour 49 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
1144 PM EDT TUE MAY 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1143 PM HIALEAH FL HAIL
05/27/97 DADE NWS EMPLOYEE REPORTED PEA SIZED
HAIL NEAR OKEECHOBEE ROAD AND
SR 826.The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 10:00 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 60 min |
| May 27, 10:32 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 58 min |
| May 27, 11:00 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 55 min |
| May 28, 12:15 AM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 2 hr |
| May 28, 5:45 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 60 min |
| May 28, 5:48 PM EDT | Tornado Warning | MFL | Miami-Dade | 57 min |
| May 28, 6:42 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 63 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.