Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 90, NWS Melbourne, FL

June 17, 2001Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 17, 2001, 6:08 PM EDT for Brevard County, Florida. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 17, 2001, 6:08 PM EDT (22:08 UTC)
Expired: Jun 17, 2001, 7:15 PM EDT
In force: 67 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 22:11 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.1 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: 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 172209
SVRMLB

FLC009-172315-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 715 PM EDT.

* AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF SCOTTSMOOR...MOVING
  SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR SCOTTSMOOR AT 620 PM
  NEAR MIMS AT 625 PM
  NEAR TITUSVILLE AT 640 PM EDT

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS IN EXCESS OF 58
MILES AN HOUR...LARGE HhAIL AND DEADLY...EXCESSIVE LIGHTNING. MOVE
INDOORS TO A STURDY BUILDING AWAY FROM WINDOWS.

$$

LAT...LON 2884 8099 2858 8104 2846 8068 2870 8055

GITTINGER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 1:25 PM EDT, 4 hours 43 minutes earlier.

Area forecast discussion, Jun 17, 1:25 PM EDT, 4 hours 43 minutes before

EAST CENTRAL FLORIDA FORECAST DISCUSSION...CORRECTION TO POPS
NATIONAL WEATHER SERVICE MELBOURNE FL        2ND PARAGRAPH
1250 PM EDT SUN JUN 17 2001

CURRENT/TONIGHT...CU FIELD STARTING TO LOOK A LITTLE LUMPY OVER THE
PENIN ATTM. EVEN ISOLD SMALL SHRA POPPING UP. CU FIELD ALSO FILLING
IN ACROSS THE SOUTH WHERE WEAK ANTICYCLONIC VORT VALUES RESIDE...SO
WHAT LITTLE SYNOPTIC SCALE SUPPRESSION IS LEFT ACROSS THE SOUTH WILL
BE DONE FOR BY LATE AFTERNOON WITH NOTHING BUT POS VORT VALUES TO
THE NORTH. 15Z KMXR RAOB SHOWED 1.5" PWAT (UP FROM 10Z) & IMPRESSIVE
H85-H55 LAPSE RATES...ALBEIT STILL WARM AT H50. GIVEN THE IMPENDING
LATE SEA BREEZE COLLISION AND BETTER SYNOPTIC SCALE CONDS...WILL
KEEP DECENT SCATTERED POPS FOR EARLY EVENING BOTH COASTAL AND INLAND.

MON/TUE...H50 CYCLONIC SHEAR AXIS DAWDLES OVER THE STATE MON BEFORE
THE RIDGE TO THE NORTH LINKS UP WITH THE ATLC SUBTROP RIDGE TUE AND
BUILDS WWD ACROSS FL. THIS IN TURN SHOVES THE SHEAR AXIS BACK NW-WD
AND OUT OF THE PENIN. AT THE LOWER LEVELS...WEAK PRES TROUGH WASHES
OUT WITH RISING PRES TO THE NORTH/EAST. THIS WILL EFFECTIVELY END
THE IMPEDANCE OF THE ECSB FROM PROGRESSING INTO WESTERN FLORIDA.
WHILE STILL GOING WITH SCT POPS THROUGHOUT TREND WILL BE TO LOWER
POPS 10% TUE COMPARED TO MON...AND KEEP THEM 10% HIGHER INLAND VERSUS
ALONG THE COAST. BY TUE NIGHT WILL ALSO NEED TO KEEP NOCTURNAL POPS
FOR COASTAL SHOWERS MOVING ONSHORE...ALTHOUGH THERE IS SOME DEBATE
BTWN THE ETA/AVN AS TO THE STRENGTH OF THE SFC-H85 FLOW. WITH THE
ETA QUITE A BIT WEAKER...WILL ONLY GO WITH 20 FOR NOW.

EXTENDED...MRF CONTINUES TO CARVE OUT HEALTHY TROUGH OVER THE
GRETA LAKES/OH VALLEY BY NEXT WEEKEND. APPEARS THAT THU/FRI WILL BE
GRADUAL TRANSITION DAYS TOWARD RETURN TO SW FLOW FOR THE WEEKEND.
WILL MAINTAIN CONTINUITY OF THE EFP.

MARINE...NO HIGHLIGHTS U/F/N. DON'T SEE ANYTHING GREATER THAN 10KT
OVER THE COURSE OF THE NEXT 5 DAYS.

PRELIM CCF...
DAB TB 071/088 072/088 072 5423
MCO TB 072/092 072/091 072 5544
MLB TB 072/088 073/088 074 5423   60

.MLB...NONE.

PUBLIC/MARINE...CRISTALDI
AVIATION/FIRE WX...WIMMER

In the hours before

Local storm report, Jun 17, 4:06 PM EDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
406 PM EDT SUN JUN 17 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

340 PM     EMERALDA                  FL   WIND DAMAGE
06/17/01   LAKE                           TREE DOWN IN FRONT OF
                                          HOUSE AT 36727 EMERALDA
                                          ISLAND ROAD IN THE GRAND
                                          ISLAND AREA. FROM LAKE
                                          COUNTY EMS DISPATCH.

345 PM     PAISLEY                   FL   WIND DAMAGE
06/17/01   LAKE                           TREES ACROSS MAGGIE JONES
                                          ROAD IN PAISLEY. FROM
                                          LAKE COUNTY EMS
                                          DISPATCH.

345 PM     BASSVILLE                 FL   WIND DAMAGE
06/17/01   LAKE                           TREE DOWN IN FRONT OF
                                          HOUSE ON 11324 HUGGINS
                                          STREET. FROM LAKE COUNTY
                                          EMS DISPATCH.

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, 4:34 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	56 min
Jun 17, 5:33 PM EDT	Severe Thunderstorm Warning	MLB	Seminole	57 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.