Alert archive / Florida / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 3, 2007, 4:38 PM EDT for Hendry County, Florida. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 3, 2007, 4:38 PM EDT (20:38 UTC)
- Expired
- May 3, 2007, 5:45 PM EDT
- In force
- 67 min
- Issued by
- NWS Miami, FL
- Area
- Counties, with a storm outline in the text
County Hendry County, FL
The radar
The Miami radar (KAMX), 124 km from the middle of the area, began a volume at 20:39 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, 8.6 hours before the alert went out and 184 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
- 179 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMFL 032040 SVRMFL FLC051-032145- /O.NEW.KMFL.SV.W.0021.070503T2038Z-070503T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 438 PM EDT THU MAY 3 2007 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN HENDRY COUNTY IN SOUTH FLORIDA. * UNTIL 545 PM EDT * AT 435 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BIG CYPRESS SEMINOLE INDIAN RESERVATION THIS STORM WAS NEARLY STATIONARY. ANOTHER DEVELOPING STORM WAS LOCATED ALONG STATE ROAD 846 13 MILES SOUTH OF CLEWISTON AND DRIFTING SOUTHEAST. THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. * THE STORM WILL AFFECT... RURAL EASTERN HENDRY COUNTY AND SURROUNDING COMMUNITIES. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 60 MPH...HAIL UP TO GOLF BALL SIZE...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES AND AVOID WATER. MOVE INDOORS OR INSIDE A VEHICLE IF POSSIBLE. AVOID USING THE TELEPHONE UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT SEVERE WEATHER. LAT...LON 2674 8121 2627 8120 2627 8088 2672 8089 $$ GREGORIA
3 follow-up statements
000 WWUS52 KMFL 032054 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 452 PM EDT THU MAY 3 2007 FLC051-032145- /O.CON.KMFL.SV.W.0021.000000T0000Z-070503T2145Z/ HENDRY FL- 452 PM EDT THU MAY 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EASTERN HENDRY COUNTY... AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM LIKELY PRODUCING GOLF BALL SIZE HAIL...AND DESTRUCTIVE WINDS TO 70 MPH. THIS STORM WAS LOCATED 4 MILES SOUTHEAST OF MONTURA AND WILL AFFECT MOTORISTS ALONG STATE ROAD 846. THIS STORM WAS NEARLY STATIONARY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT SEVERE WEATHER. LAT...LON 2674 8121 2627 8120 2627 8088 2672 8089 $$ GREGORIA
000 WWUS52 KMFL 032123 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 518 PM EDT THU MAY 3 2007 FLC051-032145- /O.CON.KMFL.SV.W.0021.000000T0000Z-070503T2145Z/ HENDRY FL- 518 PM EDT THU MAY 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EASTERN HENDRY COUNTY... AT 513 PM EDT...DOPPLER RADAR INDICATED THAT THE STORMS SOUTHEAST OF MONTURA HAVE WEAKENED...BUT STORMS WERE RAPIDLY STRENGTHENING AND BECOMING SEVERE FROM MONTURA NORTHWEST TOWARDS THE INTERSECTION OF STATE ROAD 833 AND STATE ROAD 80. THESE STORMS ARE CAPABLE OF PRODUCING LARGE HAIL UP TO GOLF BALL SIZE HAIL...AND DESTRUCTIVE WINDS TO 70 MPH. THE STORMS WERE DRIFTING NORTH. FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES AND AVOID WATER. MOVE INDOORS OR INSIDE A VEHICLE IF POSSIBLE. AVOID USING THE TELEPHONE UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT SEVERE WEATHER. LAT...LON 2674 8121 2627 8120 2627 8088 2672 8089 $$ GREGORIA
000 WWUS52 KMFL 032143 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 542 PM EDT THU MAY 3 2007 FLC051-032152- /O.EXP.KMFL.SV.W.0021.000000T0000Z-070503T2145Z/ HENDRY FL- 542 PM EDT THU MAY 3 2007 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HENDRY COUNTY EXPIRES AT 545 PM EDT... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA. THUS THE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...STRONG STORMS CONTINUE TO EFFECT PORTIONS OF NORTHERN HENDRY COUNTY. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED FOR THE COUNTY AS NEEDED. STAY TUNED TO LOCAL MEDIA OR NOAA WEATHER RADIO. LAT...LON 2674 8121 2627 8120 2627 8088 2672 8089 $$ GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:04 PM EDT | Special Marine Warning | MFL | 54 min | |
| May 3, 9:27 AM EDT | Special Marine Warning | MFL | 63 min | |
| May 3, 9:54 AM EDT | Marine Weather Statement | MFL | 2 hr | |
| May 3, 3:15 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 45 min |
| May 3, 3:18 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 57 min |
| May 3, 3:46 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 59 min |
| May 3, 3:59 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Collier | 46 min |
| May 3, 4:34 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 22 min |
| May 3, 5:28 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 62 min |
| May 3, 6:32 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 14 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2007Every severe thunderstorm warning in 2007
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.