Alert archive / Florida / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 49, NWS Miami, FL

May 13, 2007Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 13, 2007, 3:48 PM EDT for Hendry County, Florida. It was in force for 27 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 13, 2007, 3:48 PM EDT (19:48 UTC)
Expired: May 13, 2007, 4:15 PM EDT
In force: 27 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), 117 km from the middle of the area, began a volume at 19:51 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, 7.8 hours before the alert went out and 107 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 396 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1454 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 131949
SVRMFL
FLC051-132015-
/O.NEW.KMFL.SV.W.0049.070513T1948Z-070513T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
348 PM EDT SUN MAY 13 2007

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HENDRY COUNTY IN SOUTH FLORIDA.

* UNTIL 415 PM EDT

* AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 10 MILES EAST OF DEVILS GARDEN
  TO 14 MILES SOUTH OF DEVILS GARDEN...AN MOVING SOUTHEAST AT 5 TO 10 MPH.

* THESE STORMS WILL AFFECT...
  RURAL EASTERN HENDRY COUNTY THROUGH 415 PM EDT

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 2646 8114 2649 8114 2664 8097 2664 8090
      2664 8090 2631 8090 2640 8120

$$

BAXTER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 6:17 AM EDT	Dense Smoke Advisory	MFL	Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more	4 hr
May 13, 1:09 PM EDT	Marine Weather Statement	MFL		66 min
May 13, 2:21 PM EDT	Severe Thunderstorm Warning	MFL	Glades, Hendry	17 min
May 13, 4:16 PM EDT	Severe Thunderstorm Warning	MFL	Hendry	29 min
May 13, 4:22 PM EDT	Marine Weather Statement	MFL		53 min
May 13, 5:12 PM EDT	Severe Thunderstorm Warning	MFL	Broward	63 min
May 13, 5:55 PM EDT	Marine Weather Statement	MFL		65 min
May 13, 7:10 PM EDT	Marine Weather Statement	MFL		65 min

Nearby

Severe Thunderstorm Warnings in Florida, 2007 Every 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.