Alert archive / Florida / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 32, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 28, 1994, 4:30 PM EDT for Glades County, Florida. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1994, 4:30 PM EDT (20:30 UTC)
- Expired
- Jul 28, 1994, 5:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Glades County, FL
The radar
The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 20:46 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
Tampa Bay, FL (KTBW), launched 12:00Z, 8.5 hours before the alert went out and 146 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
- 2446 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 104 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 282032 RRA SVRMIA FLC043-282130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT THU JUL 28 1994 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTH FLORIDA ...EASTERN GLADES COUNTY RADAR INDICATES A SEVERE THUNDERSTORM IN EASTERN GLADES COUNTY AT 433 PM EDT. MOVEMENT IS SLOW NORTHEAST. DAMAGING WIND IN EXCESS 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 APPLIANCEDS.
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, Jul 28, 2:27 PM EDT, 2 hours 3 minutes before
FLZ063-066-069>074-281930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 227 PM EDT THU JUL 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GLADES COUNTY UNTIL 9PM... AT 230 PM EDT MIAMI RADAR INDICATED SHOWERS AND THUNDERSTORMS HAVE BECOME WIDELY SCATTERED OVER SOUTH FLORIDA AND THE ADJACENT COASTAL WATERS. MOST OF THE ACTIVITY WAS OVER THE WESTERN HALF OF SOUTH FLORIDA WITH THE STRONGEST THUNDERSTORM OVER EASTERN COLLIER COUNTY THIS THUNDERSTORM WILL BE MOVING OVER EASTERN HENDRY COUNTY DURING THE NEXT HOUR. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS NORTH AT 10 TO 15 MPH. CONTINUED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON. THUNDERSTORMS MAY BECOME SEVERE IN GLADES COUNTY WHICH IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.
Special weather statement, Jul 28, 2:28 PM EDT, 2 hours 2 minutes before
FLZ063-066-069>074-281930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 227 PM EDT THU JUL 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GLADES COUNTY UNTIL 9PM... AT 230 PM EDT MIAMI RADAR INDICATED SHOWERS AND THUNDERSTORMS HAVE BECOME WIDELY SCATTERED OVER SOUTH FLORIDA AND THE ADJACENT COASTAL WATERS. MOST OF THE ACTIVITY WAS OVER THE WESTERN HALF OF SOUTH FLORIDA WITH THE STRONGEST THUNDERSTORM OVER EASTERN COLLIER COUNTY THIS THUNDERSTORM WILL BE MOVING OVER EASTERN HENDRY COUNTY DURING THE NEXT HOUR. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS NORTH AT 10 TO 15 MPH. CONTINUED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON. XTHUNDERSTORMS MAY BECOME SEVERE IN GLADES COUNTY WHICH IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.
Special weather statement, Jul 28, 3:30 PM EDT, 1 hour before
FLZ063-066-069>074-282030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 330 PM EDT THU JUL 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GLADES COUNTY UNTIL 9PM... AT 330 PM EDT MIAMI RADAR INDICATED WIDELY SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTH FLORIDA AND THE ADJACENT COASTAL WATERS. MOST OF THE ACTIVITY WAS OVER THE WESTERN HALF OF SOUTH FLORIDA WITH THE STRONGEST THUNDERSTORM IN AN AREA EXTENDING SOUTH FORM LAKE OKEECHOBBE TO EVERGLADES NATIONAL PARK. LITTLE CONVECTIVE ACTIVITY WAS DECTECTED OVER THE POPULATED COASTAL PARTS OF SOUTH FLORIDA. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS NORTH AT 10 TO 15 MPH. CONTINUED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON. THUNDERSTORMS MAY BECOME SEVERE IN GLADES COUNTY WHICH IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.
Special weather statement, Jul 28, 4:29 PM EDT, 1 minute before
FLZ063-066-069>074-282130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT THU JUL 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GLADES COUNTY UNTIL 9PM... AT 430 PM EDT MIAMI RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTH FLORIDA MOSTLY NORTH OF HIGHWAY I75. ALSO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE ADJACENT COASTAL WATERS. THE STRONGEST THUNDERSTORMS WERE OVER NORTHERN COLLIER...EASTERN GLADES AND NORTH CENTRAL BROWARD COUNTIES. MOVEMENT OF THE SHOWERS AND THUNDER STORMS WAS NORTH AT 10 TO 15 MPH. CONTINUED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON AND EVENING. THUNDERSTORMS MAY BECOME "SEVERE IN GLADES COUNTY WHICH IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.
Special weather statement, Jul 28, 4:30 PM EDT, 0 minutes before
FLZ063-066-069>074-282130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT THU JUL 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GLADES COUNTY UNTIL 9PM... AT 430 PM EDT MIAMI RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTH FLORIDA MOSTLY NORTH OF HIGHWAY I75. ALSO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE ADJACENT COASTAL WATERS. THE STRONGEST THUNDERSTORMS WERE OVER NORTHERN COLLIER...EASTERN GLADES AND NORTH CENTRAL BROWARD COUNTIES. MOVEMENT OF THE SHOWERS AND THUNDER STORMS WAS NORTH AT 10 TO 15 MPH. CONTINUED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON AND EVENING. THUNDERSTORMS MAY BECOME SEVERE IN GLADES COUNTY WHICH IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.
Nearby
Severe Thunderstorm Warnings in Florida, 1994Every severe thunderstorm warning in 1994
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.