Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 2, NWS Key West, FL

August 26, 2000Monroe County, Florida

NWS Key West, FL issued this severe thunderstorm warning at Aug 26, 2000, 7:13 PM EDT for Monroe County, Florida. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 26, 2000, 7:13 PM EDT (23:13 UTC)
Expired
Aug 26, 2000, 8:00 PM EDT
In force
47 min
Issued by
NWS Key West, FL
Area
Whole counties

County Monroe County, FL

The radar

The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 23:04 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.

What was reported inside it

TimeReportWhereRemark
Aug 26, 7:30 PM EDTThunderstorm Wind 55 MMarathon, FLWind gust occurred 5 miles east of Marathon.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 11.2 hours before the alert went out and 69 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 2000-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 2000-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -128 square meters per square second.1939Sfc1 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
33 J/kg
Mixed-layer CIN
-295 J/kg
Mixed-layer LCL
1727 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-128 m²/s²
0-3 km storm-relative helicity
-48 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 KEYW 262327 COR
SVREYW
WUUS52 KEYW 262316
SVREYW
FLC087-270000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
713 PM EDT SAT AUG 26 2000

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
   IN SOUTHERN FLORIDA...THE MIDDLE KEYS IN MONROE COUNTY
   AND ADJACENT COASTAL WATERS.

* UNTIL 800 PM EDT

* AT 712 PM EDT...WEATHER SPOTTERS REPORTED STRONG WINDS WITH
  THUNDERSTORM ACTIVITY MOVING WEST ACROSS THE MIDDLE KEYS.
  WIND GUSTS WERE ESTIMATED 50 TO 60 MPH NEAR A CLUSTER OF
  STORMS THAT WILL MOVE OVER MUCH OF THE MIDDLE KEYS...FROM
  GRASSY KEY AND MOVING TOWARD MARATHON.

  PEOPLE IN THESE AREAS...AS WELL AS BOATERS ON ADJACENT WATERS
  SHOULD BE PREPARED FOR STRONG WIND GUSTS THROUGH 800 PM.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN KEY WEST.

Nearby

Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.