Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 53, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jun 29, 1998, 3:03 PM EDT for Palm Beach County, Florida. It was in force for 62 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
- Jun 29, 1998, 3:03 PM EDT (19:03 UTC)
- Expired
- Jun 29, 1998, 4:05 PM EDT
- In force
- 62 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 19:07 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, 7.1 hours before the alert went out and 93 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
- 2741 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -30 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.
026 WUUS1 KMIA 291908 SVRMIA FLC099-292005- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED AREAS AFFECTED LINE NATIONAL WEATHER SERVICE MIAMI FL 303 PM EDT MON JUN 29 1998 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA * UNTIL 405 PM EDT * AT 258 PM EDT... DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ABOUT 10 MILES WEST OF BOYTON BEACH TO 10 MILES WEST OF BOCA RATON MOVING NORTHEAST AT 5 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED WITHIN THE HOUR... THE AREA BETWEEN THE FLORIDA TURNPIKE AND MILITARY TRAIL SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES. IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Jun 29, 10:00 AM EDT, 5 hours 3 minutes before
AMZ610-630-631-650>654-656-670>676-FLZ063-066>078-292200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 1000 AM EDT MON JUN 29 1998 ...THUNDERSTORMS AND HEAVY RAINSHOWERS ACROSS SOUTH FLORIDA TODAY... THE AIR MASS OVER SOUTH FLORIDA IS MORE UNSTABLE TODAY. CONDITIONS ARE FAVORABLE FOR BRIEF HEAVY RAINSHOWERS TO DEVELOP JUST BEFORE NOON AND CONTINUE INTO THE EARLY AFTERNOON. STEERING WINDS ARE VERY LIGHT SO LITTLE MOVEMENT OF THERSE SHOWERS IS EXPECTED. THUS RAINFALL AMOUNTS BETWEEN AN INCH AND A HALF AND TWO INCHES WILL BE POSSIBLE. WIND GUSTS NEAR 40 MPH ARE ALSO POSSIBLE NEAR THE SHOWERS. DURING THE LATE AFTERNOON AND THROUGH THE EVENING THUNDERSTORMS WILL BE PRESENT. THE MOST FAVORABLE AREAS FOR THESE WILL BE OUTSIDE OF THE AREAS THAT RECEIVED RAINSHOWERS EARLIER. FREQUENT LIGHTNING... GUSTY WINDS... AND TORRENTIAL RAINFALL WITH AMOUINTS OVER TWO INCHES IN LESS THAN AN HOUR WILL ACCOMPANY THESE THUNDERSTORMS.
Special weather statement, Jun 29, 10:00 AM EDT, 5 hours 3 minutes before
AMZ610-630-631-650>654-656-670>676-FLZ063-066>078-292200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 1000 AM EDT MON JUN 29 1998 ...THUNDERSTORMS AND HEAVY RAINSHOWERS ACROSS SOUTH FLORIDA TODAY... THE AIR MASS OVER SOUTH FLORIDA IS MORE UNSTABLE TODAY. CONDITIONS ARE FAVORABLE FOR BRIEF HEAVY RAINSHOWERS TO DEVELOP JUST BEFORE NOON AND CONTINUE INTO THE EARLY AFTERNOON. STEERING WINDS ARE VERY LIGHT SO LITTLE MOVEMENT OF THERSE SHOWERS IS EXPECTED. THUS RAINFALL AMOUNTS BETWEEN AN INCH AND A HALF AND TWO INCHES WILL BE POSSIBLE. WIND GUSTS NEAR 40 MPH ARE ALSO POSSIBLE NEAR THE SHOWERS. DURING THE LATE AFTERNOON AND THROUGH THE EVENING THUNDERSTORMS WILL BE PRESENT. THE MOST FAVORABLE AREAS FOR THESE WILL BE OUTSIDE OF THE AREAS THAT RECEIVED RAINSHOWERS EARLIER. FREQUENT LIGHTNING... GUSTY WINDS... AND TORRENTIAL RAINFALL WITH AMOUINTS OVER TWO INCHES IN LESS THAN AN HOUR WILL ACCOMPANY THESE THUNDERSTORMS.
Local storm report, Jun 29, 1:33 PM EDT, 1 hour 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
133 PM EDT MON JUN 29 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1319 EDT CUTLER RIDGE FL WIND DAMAGE...LARGE OAK
06/29/98 DADE TREE BLOWN OVERLocal storm report, Jun 29, 1:33 PM EDT, 1 hour 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
133 PM EDT MON JUN 29 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1319 EDT CUTLER RIDGE FL WIND DAMAGE...LARGE OAK
06/29/98 DADE TREE BLOWN OVERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:28 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 32 min |
| Jun 29, 4:04 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 61 min |
| Jun 29, 4:22 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 63 min |
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.