Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 88, NWS Melbourne, FL

June 17, 2001Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 17, 2001, 4:34 PM EDT for Volusia County, Florida. It was in force for 56 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 17, 2001, 4:34 PM EDT (20:34 UTC)
Expired: Jun 17, 2001, 5:30 PM EDT
In force: 56 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 20:35 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 17, 4:41 PM EDT	Thunderstorm Wind 50 E	Enterprise, FL	Thunderstorm winds blew down a few trees in Enterprise.

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, 8.6 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: 21 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1238 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 7 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 172035
SVRMLB

FLC127-172130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
434 PM EDT SUN JUN 17 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 530 PM EDT.

* AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PIERSON...MOVING EAST AT 10 MPH.

* OTHER STORMS ARE EXPECTED TO DEVELOP ACROSS VOLUSIA COUNTY...SOME
  OF WHICH MAY BECOME SEVERE.

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 2934 8151 2917 8157 2898 8105 2924 8096

CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 9:49 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	31 min
Jun 17, 3:11 PM EDT	Severe Thunderstorm Warning	MLB	Martin	64 min
Jun 17, 3:23 PM EDT	Severe Thunderstorm Warning	MLB	Lake	67 min
Jun 17, 5:33 PM EDT	Severe Thunderstorm Warning	MLB	Seminole	57 min
Jun 17, 6:08 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	67 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.