Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 5, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at May 17, 2012, 1:45 AM EDT for Martin County, Saint Lucie County, Florida. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 17, 2012, 1:45 AM EDT (05:45 UTC)
- Expired
- May 17, 2012, 2:12 AM EDT
- In force
- 27 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Martin County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 109 km from the middle of the area, began a volume at 05:45 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 |
|---|---|---|---|
| May 17, 1:45 AM EDT | TSTM WND DMG | 5 Nw Indiantown, FL | TREE DOWN ON SR 710 IN ALLAPATTAH FLATS AREA. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 5.8 hours before the alert went out and 148 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
- 2239 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 704 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
644 WFUS52 KMLB 170545 TORMLB FLC085-111-170630- /O.NEW.KMLB.TO.W.0005.120517T0545Z-120517T0630Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 145 AM EDT THU MAY 17 2012 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * TORNADO WARNING FOR... MARTIN COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...STUART...PALM CITY...JENSEN BEACH... INDIANTOWN... SOUTHEASTERN ST. LUCIE COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...WALTON...WHITE CITY...PORT SAINT LUCIE... * UNTIL 230 AM EDT. * AT 142 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR STATE ROAD 710 NORTHWEST OF INDIANTOWN...MOVING NORTHEAST AT 25 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. && LAT...LON 2711 8064 2742 8031 2711 8014 2698 8059 TIME...MOT...LOC 0541Z 228DEG 10KT 2707 8056 $$ 52
2 follow-up statements
026 WWUS52 KMLB 170559 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 159 AM EDT THU MAY 17 2012 FLC085-111-170630- /O.CON.KMLB.TO.W.0005.000000T0000Z-120517T0630Z/ ST. LUCIE-MARTIN- 159 AM EDT THU MAY 17 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR MARTIN AND SOUTHEASTERN ST. LUCIE COUNTIES... AT 157 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO... LOCATED NORTH OF INDIANTOWN AND EAST OF STATE ROAD 710...MOVING NORTHEAST AT 25 MPH. THE STORM WILL MOVE TOWARD INTERSTATE 95 NEAR STATE ROAD 714 WEST OF STUART. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. && LAT...LON 2702 8054 2713 8059 2742 8031 2711 8014 TIME...MOT...LOC 0554Z 246DEG 13KT 2709 8050 $$ 52
100 WWUS52 KMLB 170612 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 212 AM EDT THU MAY 17 2012 FLC085-111-170620- /O.CAN.KMLB.TO.W.0005.000000T0000Z-120517T0630Z/ ST. LUCIE-MARTIN- 212 AM EDT THU MAY 17 2012 ...THE TORNADO WARNING FOR NORTHERN MARTIN AND SOUTHEASTERN ST. LUCIE COUNTIES IS CANCELLED... LAT...LON 2702 8054 2713 8059 2742 8031 2711 8014 TIME...MOT...LOC 0610Z 228DEG 10KT 2712 8049 $$ 52
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 2:34 AM EDT | Tornado Warning | MLB | Martin | 41 min |
| May 17, 2:47 AM EDT | Special Marine Warning | MLB | 58 min | |
| May 17, 4:27 PM EDT | Special Marine Warning | MLB | 63 min | |
| May 17, 4:27 PM EDT | Special Weather Statement | MLB | Indian River | 48 min |
| May 17, 5:37 PM EDT | Special Weather Statement | MLB | Indian River | 38 min |
| May 17, 5:53 PM EDT | Special Weather Statement | MLB | Seminole | 52 min |
| May 17, 5:55 PM EDT | Special Weather Statement | MLB | Martin | 50 min |
| May 17, 5:59 PM EDT | Special Weather Statement | MLB | Volusia | 46 min |
| May 17, 6:14 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 61 min |
| May 17, 6:27 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 63 min |
| May 17, 6:30 PM EDT | Special Marine Warning | MLB | 2 hr | |
| May 17, 6:47 PM EDT | Special Weather Statement | MLB | Volusia | 43 min |
| May 17, 6:53 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 37 min |
| May 17, 7:14 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 61 min |
| May 17, 7:32 PM EDT | Special Weather Statement | MLB | Brevard | 43 min |
| May 17, 7:39 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 51 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.