Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 75, NWS Melbourne, FL

June 15, 2001Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 15, 2001, 2:12 PM EDT for Volusia County, Florida. It was in force for 63 min. 2 reports 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 15, 2001, 2:12 PM EDT (18:12 UTC)
Expired: Jun 15, 2001, 3:15 PM EDT
In force: 63 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 18:15 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 15, 2:25 PM EDT	Hail 1	Ponce Park, FL
Jun 15, 2:53 PM EDT	Hail 0.75	Edgewater, 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, 6.2 hours before the alert went out and 91 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: 1882 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 794 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 30 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 KMLB 151814
SVRMLB

FLC127-151915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
212 PM EDT FRI JUN 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 315 PM EDT.

* AT 207 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 5 MILES EAST OF LAKE HELEN...MOVING EAST
  AT 15 MPH. ANOTHER SEVERE STORM WAS APPROACHING PORT ORANGE.

STORMS WILL CONTINUE TO DEVELOP TOWARD INTERIOR VOLUSIA COUNTY NEAR
DELAND AND DELTONA.

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 2899 8125 2887 8110 2882 8088 2921 8102


CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 2:00 PM EDT	Severe Thunderstorm Warning	MLB	Indian River	60 min
Jun 15, 2:55 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	65 min
Jun 15, 3:08 PM EDT	Tornado Warning	MLB	Brevard	37 min
Jun 15, 3:43 PM EDT	Tornado Warning	MLB	Brevard	32 min
Jun 15, 4:15 PM EDT	Tornado Warning	MLB	Brevard	60 min
Jun 15, 5:12 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	63 min
Jun 15, 5:14 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	61 min
Jun 15, 5:24 PM EDT	Severe Thunderstorm Warning	MLB	Orange	66 min
Jun 15, 5:31 PM EDT	Severe Thunderstorm Warning	MLB	Lake	59 min
Jun 15, 6:18 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	57 min
Jun 15, 6:40 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.