Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 7, NWS Miami, FL

July 23, 2001Broward County, Florida

NWS Miami, FL issued this tornado warning at Jul 23, 2001, 3:02 PM EDT for Broward County, Florida. It was in force for 28 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, 3:02 PM EDT (19:02 UTC)
Expired
Jul 23, 2001, 3:30 PM EDT
In force
28 min
Issued by
NWS Miami, FL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Broward County, FL

The radar

The Miami radar (KAMX), 74 km from the middle of the area, began a volume at 19:04 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, 7.0 hours before the alert went out and 56 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, Miami, FL at 12:00Z on 2001-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2135 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, Miami, FL at 12:00Z on 2001-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -71 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
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 
WFUS52 KMFL 231903
TORMIA

FLC011-231930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
302 PM EDT MON JUL 23 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL BROWARD COUNTY IN SOUTHEAST FLORIDA

* UNTIL 330 PM EDT

* AT 302 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  POSSIBLE TORNADO OVER NORTH CENTRAL BROWARD COUNTY ABOUT 17 MILES  
  SOUTHWEST OF CORAL SPRINGS...MOVING NORTHEAST AT 20 MPH. FLORIDA   
  HIGHWAY PATROL ALSO REPORTED A TORNADO NORTH OF I-75 NEAR HIGHWAY  
  27.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WIND IN EXCESS OF 60 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 2626 8069 2613 8055 2632 8040 2633 8053

.END

WARNER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 9:30 AM EDTSevere Thunderstorm WarningMFLCollier60 min
Jul 23, 10:36 AM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach39 min
Jul 23, 10:45 AM EDTSevere Thunderstorm WarningMFLCollier45 min
Jul 23, 11:37 AM EDTSevere Thunderstorm WarningMFLCollier53 min
Jul 23, 1:44 PM EDTSevere Thunderstorm WarningMFLCollier31 min
Jul 23, 2:37 PM EDTSevere Thunderstorm WarningMFLPalm Beach38 min
Jul 23, 3:13 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade47 min
Jul 23, 3:13 PM EDTTornado WarningMFLBroward, Palm Beach62 min
Jul 23, 4:10 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach65 min
Jul 23, 5:03 PM EDTSevere Thunderstorm WarningMFLMiami-Dade57 min
Jul 23, 5:40 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach65 min
Jul 23, 6:07 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade53 min

Nearby

Tornado Warnings in Florida, 2001Every tornado warning in 2001Tornadoes 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.