Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 72, NWS Melbourne, FL

June 14, 2001Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 14, 2001, 4:30 PM EDT for Brevard County, Florida. It was in force for 60 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: Jun 14, 2001, 4:30 PM EDT (20:30 UTC)
Expired: Jun 14, 2001, 5:30 PM EDT
In force: 60 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 20:31 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

Time	Report	Where	Remark
Jun 14, 4:35 PM EDT	Hail 0.88	Merritt Is, FL

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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.5 hours before the alert went out and 27 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: 608 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 22 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.

270 
WUUS52 KMLB 142036
SVRMLB
FLC009-142130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
430 PM EDT THU JUN 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BREVARD COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 530 PM EDT.

* AT 426 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM OVER NORTH MERRITT ISLAND...MOVING EAST AT
  20 MPH TOWARD PORT CANAVERAL.

* DIME SIZE HAIL OCURRED IN PORT SAINT JOHN WITH THIS CELL AT 425   
PM.

* ADDITIONAL STORMS WERE DEVELOPING FARTHER SOUTH NEAR THE SAINT
  JOHNS RIVER IN CENTRAL AND SOUTHERN BREVARD COUNTY. THESE STORMS
  COULD BECOME SEVERE AND AFFECT CITIES AS FAR SOUTH AS MELBOURNE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN 
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. IF 
THE STORM APPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST 
FLOOR.

$$

LAT...LON 2864 8076 2848 8086 2830 8060 2863 8061

CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 8:55 PM EDT	Severe Thunderstorm Warning	MLB	Orange	35 min
Jun 14, 1:43 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange	62 min
Jun 14, 2:22 PM EDT	Severe Thunderstorm Warning	MLB	Seminole	68 min
Jun 14, 2:42 PM EDT	Severe Thunderstorm Warning	MLB	Lake	33 min
Jun 14, 2:43 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	62 min
Jun 14, 2:44 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola, Seminole	61 min
Jun 14, 2:56 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	64 min
Jun 14, 3:35 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	55 min
Jun 14, 3:44 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	46 min
Jun 14, 4:15 PM EDT	Severe Thunderstorm Warning	MLB	Saint Lucie	45 min
Jun 14, 5:28 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	62 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.