Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 59, NWS Miami, FL

July 23, 2001Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 23, 2001, 6:07 PM EDT for Broward County, Miami-Dade County, Florida. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jul 23, 2001, 6:07 PM EDT (22:07 UTC)
Expired: Jul 23, 2001, 7:00 PM EDT
In force: 53 min
Issued by: NWS Miami, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Broward County, FL, Miami-Dade County, FL

The radar

The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 22:10 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, 10.1 hours before the alert went out and 36 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: 2135 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 874 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 232215 CCA
SVRMIA

FLC011-025-232300-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
607 PM EDT MON JUL 23 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA
  EXTREME NORTHEASTERN MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA

* UNTIL 700 PM EDT

* AT 607 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED     
  A LINE OF THUNDERSTORMS ALONG THE MIAMI-DADE...BROWARD COUNTY      
  LINE. THIS LINE OF STORMS IS MOVING NORTH AT 20 MPH.

RESIDENT OF NORTHEAST MIAMI-DADE AND BROWARD COUNTIES CAN EXPECT
WIND GUSTS OVER 50 MPH ALONG WITH VERY HEAoVY RAIN.  


LAT...LON 2629 8051 2592 8053 2592 8016 2627 8013

.END

ESPOSITO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 9:30 AM EDT	Severe Thunderstorm Warning	MFL	Collier	60 min
Jul 23, 10:36 AM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	39 min
Jul 23, 10:45 AM EDT	Severe Thunderstorm Warning	MFL	Collier	45 min
Jul 23, 11:37 AM EDT	Severe Thunderstorm Warning	MFL	Collier	53 min
Jul 23, 1:44 PM EDT	Severe Thunderstorm Warning	MFL	Collier	31 min
Jul 23, 2:37 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	38 min
Jul 23, 3:02 PM EDT	Tornado Warning	MFL	Broward	28 min
Jul 23, 3:13 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade	47 min
Jul 23, 3:13 PM EDT	Tornado Warning	MFL	Broward, Palm Beach	62 min
Jul 23, 4:10 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	65 min
Jul 23, 5:03 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	57 min
Jul 23, 5:40 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	65 min

Nearby

Severe Thunderstorm Warnings in Florida, 2001 Every severe thunderstorm warning in 2001

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.