Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 43, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 28, 1997, 6:42 PM EDT for Collier 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, 6:42 PM EDT (22:42 UTC)
- Expired
- May 28, 1997, 7:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Collier County, FL
The radar
The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 113 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
- 1508 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 282242 RRA SVRMIA FLC021-282345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 642 PM EDT WED MAY 28 1997 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHWEST FLORIDA ...WESTERN COLLIER COUNTY AND THE ADJACENT COASTAL WATERS NATIONAL WEATHER SERVICE RADAR AND SATELLITE INFORMATION INDICATE THUNDERSTORMS MAY BECOME SEVERE AS THEY MOVE SOUTHWEST OVER WESTERN COLLIER COUNTY....FROM NEAR IMMOKALEE TO NAPLES AND EVERGLADES CITY. STORMS WILL AFFECT AREAS WEST OF HIGHWAY 29 OVER THE THE GULF COAST. DAMAGING WIND IN EXCES S OF 55 MPH...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. 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, May 28, 12:59 PM EDT, 5 hours 43 minutes before
FLZ502-503-281900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SPECIAL MARINE WARNING COR NATIONAL WEATHER SERVICE MIAMI FL 1259 PM EDT WED MAY 28 1997 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SPECIAL MARINE WARNING EFFECTIVE UNTIL 300 PM EDT FOR BOATERS ON THE COASTAL WATERS OF DADE COUNTY FROM ...MIAMI BEACH TO KEY LARGO AT 1255 PM A WATERSPOUT WAS OBSERVED 2 MILES OFFSHORE FROM KEY BISCAYNE IN ATLANTIC WATERS. RADAR INDICATES THAT THE SPOUT SHOULD DRIFT TOWARD THE SOUTH-SOUTHWEST. ALSO...A LINE OF BUILDING SHOWERS MAY GENERATE OTHER WATERSPOUTS THROUGH 3 PM AS THE ACTIVITY MOVES SOUTH OVER WATERS OF BISCAYNE BAY TOWARD THE UPPER KEYS AND ATLANTIC OCEAN EXTENDING EAST TO BIMINI. BOATERS SHOULD BE ALERT FOR WATERSPOUT ACTIVITY. TAKE IMMEDIATE EVASIVE ACTION IF THREATENED. THE BEST ACTION IS TO MOVE AWAY FROM THE WATERSPOUT AT A 90 DEGREE ANGLE FROM ITS APPARENT MOVEMENT.
Local storm report, May 28, 1:02 PM EDT, 5 hours 40 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
102 PM EDT WED MAY 28 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1240 AM KENDALL FL HAIL
05/28/97 DADE METEOROLOGIST REPORTS 3/4 INCH
HAIL NEAR DADELAND MALL.Local storm report, May 28, 1:03 PM EDT, 5 hours 39 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
102 PM EDT WED MAY 28 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1240 AM KENDALL FL HAIL
05/28/97 DADE METEOROLOGIST REPORTS 3/4 INCH
HAIL NEAR DADELAND MALL.Special weather statement, May 28, 1:05 PM EDT, 5 hours 37 minutes before
FLZ502-503-281900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SPECIAL MARINE WARNING COR NATIONAL WEATHER SERVICE MIAMI FL 1259 PM EDT WED MAY 28 1997 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SPECIAL MARINE WARNING EFFECTIVE UNTIL 300 PM EDT FOR BOATERS ON THE COASTAL WATERS OF DADE COUNTY FROM ...MIAMI BEACH TO KEY LARGO AT 1255 PM A WATERSPOUT WAS OBSERVED 2 MILES OFFSHORE FROM KEY BISCAYNE IN ATLANTIC WATERS. RADAR INDICATES THAT THE SPOUT SHOULD DRIFT TOWARD THE SOUTH-SOUTHWEST. ALSO...A LINE OF BUILDING SHOWERS MAY GENERATE OTHER WATERSPOUTS THROUGH 3 PM AS THE ACTIVITY MOVES SOUTH OVER WATERS OF BISCAYNE BAY TOWARD THE UPPER KEYS AND ATLANTIC OCEAN EXTENDING EAST TO BIMINI. BOATERS SHOULD BE ALERT FOR WATERSPOUT ACTIVITY. TAKE IMMEDIATE EVASIVE ACTION IF THREATENED. THE BEST ACTION IS TO MOVE AWAY FROM THE WATERSPOUT AT A 90 DEGREE ANGLE FROM ITS APPARENT MOVEMENT.
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, 1:37 AM EDT | Severe Thunderstorm Warning | MFL | Broward | 63 min |
| 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 |
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.