Alert archive / Florida / Tornado Warnings in 2009
Tornado Warning 16, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at May 21, 2009, 1:44 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 outline as issued.
The facts
- Issued
- May 21, 2009, 1:44 AM EDT (05:44 UTC)
- Expired
- May 21, 2009, 2:15 AM EDT
- In force
- 31 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 43 km from the middle of the area, began a volume at 05:44 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 00:00Z, 5.7 hours before the alert went out and 10 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
- 880 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KMLB 210544
TORMLB
FLC009-210615-
/O.NEW.KMLB.TO.W.0016.090521T0544Z-090521T0615Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
144 AM EDT THU MAY 21 2009
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN BREVARD COUNTY IN FLORIDA...
* UNTIL 215 AM EDT.
* AT 141 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
SOUTHEAST OF KENNEDY SPACE CENTER...OR NEAR PORT CANAVERAL...MOVING
NORTHWEST AT 15 MPH.
* THE TORNADO WILL BE NEAR...
6 MILES EAST OF KENNEDY SPACE CENTER BY 215 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.
EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. IF NO
SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS. ABANDON YOUR VEHICLE IF THE
TORNADO IS NEARBY.
&&
LAT...LON 2843 8056 2841 8058 2843 8061 2853 8058
2858 8060 2858 8061 2854 8060 2846 8065
2850 8071 2860 8060 2857 8057 2845 8052
TIME...MOT...LOC 0544Z 149DEG 14KT 2842 8052
$$
MOSES1 follow-up statement
000
WWUS52 KMLB 210608
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
208 AM EDT THU MAY 21 2009
FLC009-210618-
/O.EXP.KMLB.TO.W.0016.000000T0000Z-090521T0615Z/
BREVARD-
208 AM EDT THU MAY 21 2009
...THE TORNADO WARNING FOR EAST CENTRAL BREVARD COUNTY WILL EXPIRE AT
215 AM EDT...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM
THAT PROMPTED THE WARNING HAD WEAKENED AND NO LONGER APPEARED
CAPABLE OF PRODUCING TORNADOES...THUS THE WARNING WILL BE ALLOWED
TO EXPIRE. HOWEVER...HEAVY RAIN...GUSTY WINDS AND DANGEROUS
LIGHTNING STRIKES WILL CONTINUE TO BE POSSIBLE.
LAT...LON 2843 8056 2841 8058 2843 8061 2853 8058
2858 8060 2858 8061 2854 8060 2846 8065
2850 8071 2860 8060 2857 8057 2845 8052
TIME...MOT...LOC 0608Z 149DEG 14KT 2850 8057
$$
MOSESThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 9:16 PM EDT | Areal Flood Advisory | MLB | Orange, Seminole | 3 hr |
| May 20, 11:20 PM EDT | Special Marine Warning | MLB | 85 min | |
| May 21, 12:30 AM EDT | Special Marine Warning | MLB | 90 min | |
| May 21, 1:03 AM EDT | Tornado Warning | MLB | Brevard | 42 min |
| May 21, 8:49 AM EDT | Areal Flood Warning | MLB | Lake | 12 hr |
| May 21, 10:22 AM EDT | River Flood Warning | MLB | Lake, Volusia | 5 days |
| May 21, 6:01 PM EDT | Areal Flood Warning | MLB | Volusia | 12 hr |
Nearby
Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009
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.