Alert archive / Florida / Tornado Warnings in 1999
Tornado Warning 11, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at May 30, 1999, 8:14 AM EDT for Brevard County, Florida. It was in force for 31 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
- May 30, 1999, 8:14 AM EDT (12:14 UTC)
- Expired
- May 30, 1999, 8:45 AM EDT
- In force
- 31 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 12:17 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
Tampa Bay, FL (KTBW), launched 12:00Z, 0.2 hours before the alert went out and 180 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.
- Mixed-layer CAPE
- 29 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMLB 301214 RRA
TORMLB
FLC009-301245-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
814 AM EDT SUN MAY 30 1999
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN BREVARD COUNTY IN EAST CENTRAL FLORIDA
* UNTIL 845 AM EDT
* AT 813 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST NORTHWEST OF
BAREFOOT BAY. MOVEMENT WAS SOUTH AT 10 MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
BAREFOOT BAY BY 830 AM.
IF YOU ARE IN THE PATH OF A TORNADO...ABANDON CARS AND MOBILE
HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
THE SAFEST PLACE IS AN INTERIOXR ROOM SUCH AS A CLOSET ON THE LOWEST
FLOOR OF A STRONG BUILDING. AVOID WINDOWS.What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 30, 2:45 AM EDT, 5 hours 29 minutes earlier.
Area forecast discussion, May 30, 2:45 AM EDT, 5 hours 29 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 245 AM EDT SUN MAY 30 1999 CURRENTLY...LARGE AREA OF SHOWERS AND A FEW TS MAINLY OFFSHORE CONTINUE TO HEAD BACK TOWARDS THE COAST ATTM. VAD WIND PROFILE SHOWS THAT LOW LEVEL EASTERLY FLOW HAS DEEPENED CONSIDERABLE AND IS NOW UP THRU 8 KFT. SHOWERS IN PART SUPPORTED BY WEAK H3 JETLET DEPICTED WELL IN 00Z NGM. FEATURE WILL FAVOR MORE ACTVTY N OF THE CAPE TOWARDS MORNING. EASTERLY FLOW AND EXTENSIVE CLD COVER SHUD PREVENT FOG NEAR THE COAST AND INLAND SECTIONS SHOULD BE VERY PATCHY...CAN LIKLY KEEP OUT OF 1ST PD OF FCST. TODAY/TONIGHT...WITH LOW LEVEL E FLOW INCREASING TODAY AND UPPER LEVEL RIDGE SHIFTING EAST DEEPENING THE EASTERLIES...THE ECSB SHUD NOT FOCUS MUCH ATTENTION IN OUR FCST AREA. SEA BREEZE COLLISIONS SHOULD AGAIN OCCUR W OF MLB CWA. MORNING COASTAL SHRA SHUD BECOME MORE ISOLATED W/ PCPN CHCS MOVING INLAND BY AFTN. CURRENT FCST OF 20-30 POP RANGE BETWEEN COAST AND INLAND LOOKS ON TRACK. MON...DEEPENING H50 TROUGH NEAR BERMUDA FORECAST TO CUT OFF BY 12Z MON AND THEN REMAIN NEARLY STATIONARY THROUGH 00Z WED. NRN JET TOO FAR NORTH TO KICK IT OUT...AND WV IMAGERY INDICATING THE CUTOFF PROCESS IS ALREADY UNDERWAY. AS THE DEVELOPING TROUGH OVER THE PLAINS MOVES EAST...RIDGE AXIS OVER E CST WILL AMPLIFY...RESULTING IN A CLASSIC OMEGA BLOCK THROUGH 00Z TUE. DEEP ERLIES WILL ADVECT LOWER PW VALUES OVER CWA...BUT NOT ENOUGH TO GO POP FREE. MOST ACTIVITY WILL BE PUSHED TO WRN PEN. TUE/THU...SFC-H70 RIDGE MAINTAINS AN E-SERLY FLOW ACROSS CWA. DECENT MEAN RH VALUES THROUGH 12Z THU...BUT LITTLE IN THE WAY OF SYNOPTIC FORCING. WIND FIELD WILL FAVOR W PEN DAYTIME CONVECTION... E CST RW AT NIGHT. ERLY SFC WINDS WILL KEEP TEMPS NEAR CLIMO. MARINE...INCREASING PRESSURE GRADIENT AS THE SFC RIDGE BUILDS IN FROM THE NE. MODELS CONSISTENT WITH E-SE WINDS 15-20KT SFC-3KFT THRU 00Z TUE...SHORT TERM CONFIRMED BY 88D VWP. BUOY 9 INDICATING SHORT PD 4-5 FT SEAS...ALMOST EXCLUSIVELY WIND WAVE. AS CURRENT RIDGE BUILDS IN...WIND AND SEAS SHOULD MAINTAIN THEIR STRENGTH. WILL ISSUE CAUTIONARY STATEMENT FOR OFFSHORE WATERS. PRELIM... DAB BB 084/071 085/072 084 81222 MCO BB 088/072 089/071 090 81312 MLB BB 085/071 086/072 086 81322= .MLB...SCEC FLAGLER TO JUPITER. BLOTTMAN/BRAGAW
In the hours before
Special weather statement, May 30, 5:15 AM EDT, 2 hours 59 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-302200- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 515 AM EDT SUN MAY 30 1999 ...WIDELY SCATTERED LIGHTNING STORMS THIS AFTERNOON... HIGH PRESSURE NORTH OF THE STATE WILL RESULT IN AN INCREASED EASTERLY FLOW OF AIR ACROSS OUR REGION. THE EAST COAST SEA BREEZE WILL MOVE INLAND QUICKLY LATE THIS MORNING AND EARLY THIS AFTERNOON. ONLY WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR THE SEA BREEZE WITH THE BEST CHANCES OCCURRING ACROSS THE INLAND COUNTIES OF LAKE...ORANGE AND OSCEOLA COUNTIES BY EARLY AFTERNOON. ANY STORMS THAT DEVELOP HAVE THE POTENTIAL TO PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND GUSTY WINDS. VERY HEAVY RAIN MAY ACCOMPANY THE STORMS AS THEY REMAIN NEARLY STATIONARY OR MOVE ONLY SLOWLY TO THE SOUTH. IN ADDITION...WEATHER AND OCEANOGRAPHIC CONDITIONS WILL INCREASE THE CHANCE OF STRONG RIP CURRENTS AT THE ATLANTIC BEACHES IN EAST CENTRAL FLORIDA TODAY. CONTACT LOCAL BEACH PATROLS FOR FURTHER INFORMATION AND REMEMBER TO ALWAYS SWIM NEAR A LIFEGUARD. BLOTTMAN
Special weather statement, May 30, 5:15 AM EDT, 2 hours 59 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-302200- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 515 AM EDT SUN MAY 30 1999 ...WIDELY SCATTERED LIGHTNING STORMS THIS AFTERNOON... HIGH PRESSURE NORTH OF THE STATE WILL RESULT IN AN INCREASED EASTERLY FLOW OF AIR ACROSS OUR REGION. THE EAST COAST SEA BREEZE WILL MOVE INLAND QUICKLY LATE THIS MORNING AND EARLY THIS AFTERNOON. ONLY WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR THE SEA BREEZE WITH THE BEST CHANCES OCCURRING ACROSS THE INLAND COUNTIES OF LAKE...ORANGE AND OSCEOLA COUNTIES BY EARLY AFTERNOON. ANY STORMS THAT DEVELOP HAVE THE POTENTIAL TO PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND GUSTY WINDS. VERY HEAVY RAIN MAY ACCOMPANY THE STORMS AS THEY REMAIN NEARLY STATIONARY OR MOVE ONLY SLOWLY TO THE SOUTH. IN ADDITION...WEATHER AND OCEANOGRAPHIC CONDITIONS WILL INCREASE THE CHANCE OF STRONG RIP CURRENTS AT THE ATLANTIC BEACHES IN EAST CENTRAL FLORIDA TODAY. CONTACT LOCAL BEACH PATROLS FOR FURTHER INFORMATION AND REMEMBER TO ALWAYS SWIM NEAR A LIFEGUARD. BLOTTMAN
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:21 AM EDT | Tornado Warning | MLB | Indian River | 29 min |
Nearby
Tornado Warnings in Florida, 1999Every tornado warning in 1999Tornadoes in 1999
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.