Alert archive / Florida / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 39, NWS Miami, FL

May 6, 2007Glades County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 6, 2007, 5:45 PM EDT for Glades County, Florida. It was in force for 30 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 6, 2007, 5:45 PM EDT (21:45 UTC)
Expired
May 6, 2007, 6:15 PM EDT
In force
30 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Glades County, FL

The radar

The Melbourne radar (KMLB), 110 km from the middle of the area, began a volume at 21:45 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.

IssuedProductOfficeLasted
May 6, 1:49 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.8 hours before the alert went out and 151 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2007-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 890 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2007-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
890 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KMFL 062145
SVRMFL
FLC043-062215-
/O.NEW.KMFL.SV.W.0039.070506T2145Z-070506T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
545 PM EDT SUN MAY 6 2007

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GLADES COUNTY IN SOUTH FLORIDA.

* UNTIL 615 PM EDT

* AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED OVER
  NORTHEASTERN GLADES COUNTY..AND MOVING SOUTHEAST AT 30 MPH.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR SOUTHERN FLORIDA.

LAT...LON 2725 8098 2718 8116 2702 8100 2716 8088

$$

BAXTER

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 9:15 PM EDTSevere Thunderstorm WarningMFLGlades37 min
May 6, 4:10 PM EDTSevere Thunderstorm WarningMFLCollier45 min
May 6, 4:30 PM EDTSevere Thunderstorm WarningMFLPalm Beach45 min
May 6, 4:30 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry36 min
May 6, 5:15 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach45 min
May 6, 5:32 PM EDTMarine Weather StatementMFL88 min
May 6, 5:33 PM EDTHigh Surf AdvisoryMFLBroward, Miami-Dade, Palm Beach62 hr
May 6, 5:38 PM EDTSevere Thunderstorm WarningMFLPalm Beach67 min
May 6, 5:42 PM EDTSpecial Marine WarningMFL63 min
May 6, 5:47 PM EDTTornado WarningMFLBroward, Palm Beach43 min
May 6, 6:14 PM EDTSevere Thunderstorm WarningMFLBroward, Glades, Hendry, Palm Beach61 min
May 6, 6:27 PM EDTTornado WarningMFLPalm Beach33 min
May 6, 6:27 PM EDTTornado WarningMFLBroward48 min
May 6, 6:38 PM EDTSpecial Marine WarningMFL37 min
May 6, 6:48 PM EDTTornado WarningMFLHendry57 min
May 6, 6:58 PM EDTTornado WarningMFLBroward32 min
May 6, 7:22 PM EDTTornado WarningMFLBroward, Collier, Hendry, Palm Beach53 min
May 6, 7:25 PM EDTTornado WarningMFLMiami-Dade35 min
May 6, 7:37 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade38 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.