Severe Thunderstorm Warning 18, NWS Melbourne, FL

Issued

Apr 5, 2011, 8:15 AM EDT (12:15 UTC)

Expired

Apr 5, 2011, 9:15 AM EDT

In force

60 min

Issued by

NWS Melbourne, FL

Area

Storm-based polygon

Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL

The Melbourne radar (KMLB), 101 km from the middle of the area, began a volume at 12:16 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

391 
WUUS52 KMLB 051215
SVRMLB
FLC069-095-097-117-051315-
/O.NEW.KMLB.SV.W.0018.110405T1215Z-110405T1315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
815 AM EDT TUE APR 5 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LAKE COUNTY IN FLORIDA
  ORANGE COUNTY IN FLORIDA
  NORTHWESTERN OSCEOLA COUNTY IN FLORIDA
  SEMINOLE COUNTY IN FLORIDA

* UNTIL 915 AM EDT.

* AT 809 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 12 MILES NORTHWEST OF LEESBURG TO 18 MILES WEST OF
  MASCOTTE TO 22 MILES SOUTHWEST OF MASCOTTE TO 48 MILES SOUTHWEST OF
  MASCOTTE...AND MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
  LAKE HARRIS...TAVARES...HOWEY IN THE HILLS...GROVELAND...MOUNT   
DORA...CLERMONT...FERNDALE...ZELLWOOD...MOUNT PLYMOUTH...WINTER 
GARDEN...APOPKA...WEKIWA SPRINGS   STATE 
PARK...OCOEE...WINDERMERE...WEKIVA SPRINGS...  FOREST CITY...BAY 
HILL...LOCKHART...  PINE HILLS...HOLLYWOOD 
STUDIOS...EPCOT...ALTAMONTE SPRINGS...DOCTOR   
PHILLIPS...ORLOVISTA...LONGWOOD...  CELEBRATION...FAIRVIEW 
SHORES...MAITLAND...SANFORD...FERN PARK...OAK 
RIDGE...CASSELBERRY...POINCIANA...WINTER SPRINGS...  WINTER 
PARK...WEST LAKE TOHO...UNION PARK...POINCIANA PLACE...PINE   
CASTLE...OVIEDO...ORLANDO INTERNATIONAL AIRPORT...ORLANDO...  
MIDWAY...KISSIMMEE...GOLDENROD...GENEVA...CONWAY...CAMPBELL...BELLE  
ISLE...AZALEA PARK AND INTERCESSION CITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

NATIONAL WEATHER SERVICE METEOROLOGISTS ALSO DETECTED SOME WEAK
ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR
ROOM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 PM EDT.

&&

LAT...LON 2882 8195 2884 8136 2878 8109 2830 8126
      2810 8146 2813 8146 2814 8152 2819 8152
      2825 8157 2826 8166 2834 8167 2834 8179
      2835 8180 2835 8185 2834 8186 2834 8196
TIME...MOT...LOC 1212Z 271DEG 39KT 2896 8195 2857 8215
          2844 8219 2806 8238

$$

SEDLOCK

525 
WWUS52 KMLB 051257
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
857 AM EDT TUE APR 5 2011

FLC069-095-097-117-051315-
/O.CON.KMLB.SV.W.0018.000000T0000Z-110405T1315Z/
OSCEOLA-ORANGE-SEMINOLE-LAKE-
857 AM EDT TUE APR 5 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM EDT
FOR SOUTHWESTERN LAKE...SEMINOLE...ORANGE AND NORTHWESTERN OSCEOLA
COUNTIES...

AT 852 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING 
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 11 MILES NORTHEAST OF MOUNT PLYMOUTH TO KILLARNEY TO 
LAKE LOUISA TO 26 MILES WEST OF POINCIANA PLACE...MOVING EAST AT 45 
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PLYMOUTH...ROCK SPRINGS...CROWN POINT...APOPKA...WEKIWA SPRINGS STATE
PARK...OCOEE...WINDERMERE...CLARCONA...BAY HILL...PIEDMONT...WEKIVA 
SPRINGS...FOREST CITY...LOCKHART...DOCTOR 
PHILLIPS...ORLOVISTA...PINE HILLS...ALTAMONTE 
SPRINGS...VINELAND...CELEBRATION...TANGELO 
PARK...LONGWOOD...EATONVILLE...FAIRVILLA...FAIRVIEW SHORES...OAK 
RIDGE...MAITLAND...SANFORD...FERN PARK...UNIVERSITY OF CENTRAL 
FLORIDA...POINCIANA...WINTER SPRINGS...WINTER PARK...WEST LAKE 
TOHO...UNIVERSITY PARK...UNION PARK...PINE CASTLE...PALM 
SHADOWS...OVIEDO...ORLANDO...MIDWAY...KISSIMMEE...GOLDENROD. 
..GENEVA...EDGEWOOD...EAST LAKE TOHO...CONWAY...CAMPBELL...BELLE 
ISLE...AZALEA PARK...ALOMA... CASSELBERRY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE METEOROLOGISTS ALSO DETECTED WEAK ROTATION
WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL
DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 PM EDT
TUESDAY AFTERNOON FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2883 8168 2884 8136 2878 8109 2830 8126
      2811 8145 2813 8146 2814 8152 2819 8152
      2825 8157 2826 8166 2834 8167 2835 8180
      2834 8191
TIME...MOT...LOC 1255Z 271DEG 39KT 2895 8142 2856 8162
          2843 8166 2805 8185

$$

SEDLOCK

Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011

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.