Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 19, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Feb 15, 1998, 9:19 PM EST for Broward County, Palm Beach County, Florida. It was in force for 61 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
- Feb 15, 1998, 9:19 PM EST (02:19 UTC)
- Expired
- Feb 15, 1998, 10:20 PM EST
- In force
- 61 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 88 km from the middle of the area, began a volume at 02:21 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 15, 6:15 PM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 2.3 hours before the alert went out and 66 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
- 449 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 512 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
916 WUUS1 KMIA 160220 RRA SVRMIA FLC011-099-160320- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 919 PM EST SUN FEB 15 1998 THE NATIONAL WEATHER SERVICE IN MIAMI FL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1020 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEASTERN FLORIDA ...SOUTHWESTERN PALM BEACH COUNTY ...WESTERN BROWARD COUNTY AT 918 PM EST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 21 MILES WEST OF TWENTYSIX MILE BEND OR 18 MILES SOUTHWEST OF TERRYTOWN MOVING EAST AT 40 MPH. THE STORM WILL MOVE ACROSS ALLIGATOR ALLEY AND THE EVERGLADES OVER WESTERN BROWARD AND SOUTHWEST PALM COUNTY DURING THE NEXT HOUR. 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. &
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, Feb 15, 3:30 PM EST, 5 hours 49 minutes before
AMZ610-630-650>654-656-670>676-FLZ063-066>078-161200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 330 PM EST SUN FEB 15 1998 ...GALE WARNING SURROUNDING COASTAL WATERS TONIGHT... ...WIND ADVISORY ACROSS THE MAINLAND AND KEYS TONIGHT... ...COASTAL FLOOD WATCH COLLIER AND MAINLAND MONROE GULF COAST TONIGHT... STRONG SOUTHEAST WINDS WHICH WILL BECOME SOUTHERLY OVERNIGHT WILL PRODUCE PROBLEMS OVER LAND AND COASTAL AREAS OF SOUTH FLORIDA TONIGHT. GALE WARNINGS FOR WIND OF 30 TO 35 KT ARE POSSIBLE OVER THE COASTAL WATERS. ON THE MAINLAND...THIS MEANS SUSTAINED WINDS OF 20 TO 25 MPH ARE POSSIBLE THROUGH THE NIGHT. ON THE SOUTHWEST FLORIDA COAST...THESE STRONG WINDS MAY CREATE SEAS OF 2 TO 3 FT ABOVE HIGH TIDE AFTER MIDNIGHT AND COASTAL FLOODING IS POSSIBLE. STRONG THUNDERSTORMS ARE ALSO EXPECTED OVER SOUTH FLORIDA AND THE KEYS THIS EVENING AND SOME THUNDERSTORMS MAY BE SEVERE.
Special weather statement, Feb 15, 3:30 PM EST, 5 hours 49 minutes before
AMZ610-630-650>654-656-670>676-FLZ063-066>078-161200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 330 PM EST SUN FEB 15 1998 ...GALE WARNING SURROUNDING COASTAL WATERS TONIGHT... ...WIND ADVISORY ACROSS THE MAINLAND AND KEYS TONIGHT... ...COASTAL FLOOD WATCH COLLIER AND MAINLAND MONROE GULF COAST TONIGHT... STRONG SOUTHEAST WINDS WHICH WILL BECOME SOUTHERLY OVERNIGHT WILL PRODUCE PROBLEMS OVER LAND AND COASTAL AREAS OF SOUTH FLORIDA TONIGHT. GALE WARNINGS FOR WIND OF 30 TO 35 KT ARE POSSIBLE OVER THE COASTAL WATERS. ON THE MAINLAND...THIS MEANS SUSTAINED WINDS OF 20 TO 25 MPH ARE POSSIBLE THROUGH THE NIGHT. ON THE SOUTHWEST FLORIDA COAST...THESE STRONG WINDS MAY CREATE SEAS OF 2 TO 3 FT ABOVE HIGH TIDE AFTER MIDNIGHT AND COASTAL FLOODING IS POSSIBLE. STRONG THUNDERSTORMS ARE ALSO EXPECTED OVER SOUTH FLORIDA AND THE KEYS THIS EVENING AND SOME THUNDERSTORMS MAY BE SEVERE.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 7:04 PM EST | Tornado Warning | MFL | Collier | 61 min |
| Feb 15, 8:02 PM EST | Tornado Warning | MFL | Collier | 58 min |
| Feb 15, 8:27 PM EST | Severe Thunderstorm Warning | MFL | Glades, Hendry | 63 min |
| Feb 15, 11:07 PM EST | Severe Thunderstorm Warning | MFL | Palm Beach | 38 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.