Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 100, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 5, 2001, 3:03 PM EDT for Lake County, Florida. It was in force for 57 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
- Jul 5, 2001, 3:03 PM EDT (19:03 UTC)
- Expired
- Jul 5, 2001, 4:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Lake County, FL
The radar
The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 19:03 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, 7.1 hours before the alert went out and 123 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
- 1772 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 051905 SVRMLB FLC069-052000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 303 PM EDT THU JUL 5 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN LAKE COUNTY IN EAST CENTRAL FLORIDA * UNTIL 400 PM EDT. * AT 258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER CASSIA......MOVING EAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE OVER RURAL NORTHEASTERN LAKE COUNTY THROUGH 320 PM EDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. IF THE STORM XAPPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. $$ LAT...LON 2904 8166 2881 8156 2890 8134 2922 8147 PB
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 Jul 5, 3:00 PM EDT, 3 minutes earlier.
Area forecast discussion, Jul 5, 3:00 PM EDT, 3 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 300 PM EDT THU JUL 5 2001 CURRENTLY...NMRS RW/TRW OVER THE NRN CWA PUSHING SLOWLY EWD. VIS SAT/SFC OBS SHOW THE ECSB HAS FORMED S OF KXMR...AND IS DEVELOPING TO THE N. S/WV TROF OVR THE ERN U.S. IS KEEPING THE ATLC RIDGE AXIS SUPPRESSED OVER THE SRN PENINSULA. WEAK STEERING FLOW OVER THE SRN CWA DUE TO A SFC/H50 COL OVER THE ERN GOMEX. TONIGHT...LITTLE IN THE WAY OF DYNAMIC SUPPORT OVER THE CWA ASIDE FROM H50 PVA FROM A WEAK VORT COUPLET OVER THE CENTRAL PENINSULA. DIURNAL PRECIP WILL LINGER INTO THE EARLY EVENING HOURS...BUT SHOULD NOT LAST MUCH PAST SUNSET. FRI/FRI NIGHT...S/WV TROF WILL REMAIN NEARLY STATIONARY. CWA WILL REMAIN IN A PREVAILING SWRLY FLOW...PRECIP DISTRIBUTION PATTERN WILL BE IDENTICAL TO THU WITH HIGHEST COVERAGE OVER THE COASTAL CWA. HOWEVER...WINDS WILL BEGIN TO TAP A POCKET OF DRIER AIR OVER THE FL STRAITS...SO COVERAGE WILL BE LOWER DUE TO DECREASING AVAILABLE MOISTURE. SEABREEZE INTERACTION MAY PRODUCE A FEW STRONG STORMS... BUT H50 TEMPS IN THE -7C TO -8C RANGE WILL KEEP OVERALL TRW STRENGTH LIMITED. SAT/SAT NIGHT...S/WV WILL BEGIN TO PUSH EAST OFF THE MID ATLC COAST BY SAT...ALLOWING THE ATLC RIDGE AXIS TO DRIFT BACK TO THE N. AXIS SHOULD BE DIRECTLY OVER THE CENTRAL PENINSULA...RESULTING IN A NEGLIGIBLE H85-H50 STEERING FLOW. E/WCSB WILL FORM/MOVE ABOUT THE SAME TIME/SPEED...WITH ANY COLLISION EXPECTED OVER THE INTERIOR CWA. WILL INDICATE HIGHEST POPS OVER THE INTERIOR...BUT NO HIGHER THAN SCT AS AVAILABLE MOISTURE IN THE SOURCE REGION WILL BE THE LIMITING FACTOR. EXTENDED...AVG FL WX PATTERN FOR MID SUMMER. MRF/NOGAPS CENTER AN H85-H50 COL OVER THE FL PENINSULA THROUGH MON...KEEPING SFC/STEERING WINDS VERY LIGHT. MRF CONTINUES TO BE TOO AGRESSIVE WITH A NEW S/WV DIGGING INTO N FL BY 00Z MON AND INTO THE CENTRAL PENINSULA BY 00Z WED. NOGAPS IS INDICATING A SIMILAR PATTERN...BUT IS MUCH LESS DEVELOPED WITH THE SFC/LOW LEVEL FEATURES. REGARDLESS...THE OVERALL WX PATTERN WOULD SHIFT DIURNAL PRECIP BACK TO THE ERN CWA BY EARLY NEXT WEEK. MARINE...NO HIGHLIGHTS. AN ERLY SWELL IS PRODUCING 5-6FT SEAS AT BUOY010...BUT S/SW WINDS ARE DAMPENING IT TO 2-3FT BY THE TIME IT REACHES BUOY009. WILL CONTINUE TO KEEP SEAS SLIGHTLY HIGHER THAN THE SFC WINDS WOULD NORMALLY SUPPORT...BUT NO HIGHER THAN 3FT. PRELIMINARY NUMBER... DAB TB 072/092 072/091 073 453 MCO TT 073/092 073/093 072 342 MLB TB 073/091 073/090 072 453 .MLB...NONE. PUBLIC/MARINE...BRAGAW AVIATION/FIRE WX...BLOTTMAN
In the hours before
Special weather statement, Jul 5, 11:30 AM EDT, 3 hours 33 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 052100- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1130 AM EDT THU JUL 5 2001 ...SCATTERED TO NUMEROUS THUNDERSTORMS THIS AFTERNOON AND EVENING... A HIGH PRESSURE RIDGE AXIS ACROSS SOUTH FLORIDA AND A WEAK FRONTAL TROUGH OVER THE SOUTHEAST STATES WILL COMBINE TO PRODUCE A MOIST SOUTHWEST FLOW OVER THE FLORIDA PENINSULA TODAY. SCATTERED LIGHTNING STORMS WILL DEVELOP ALONG THE EAST AND WEST COAST SEA BREEZE BOUNDARIES DURING THE THIS AFTERNOON. DUE TO THE SOUTHWEST FLOW...THE WEST COAST BREEZE WILL PENETRATE FARTHER INLAND. STORM INTERACTION ALONG THE SEA BREEZE BOUNDARIES WILL LIKELY OCCUR EAST OF THE FLORIDA TURNPIKE. THE GREATEST STORM COVERAGE IS EXPECTED FROM THE SAINT JOHNS RIVER TO THE ATLANTIC COAST LATE THIS AFTERNOON AND EARLY THIS EVENING. THESE STORMS WILL PUSH OFFSHORE INTO THE NEAR SHORE ATLANTIC WATERS...WITH THE HIGHEST COVERAGE EXPECTED NORTH OF COCOA BEACH. SOME OF THE STORMS TODAY COULD BECOME STRONG AND PRODUCE WIND GUSTS TO 40 MPH...BETWEEN TWO AND FOUR INCHES OF RAINFALL...AND FREQUENT TO EXCESSIVE LIGHTNING. IF SKIES BECOME THREATENING OR IF THUNDER IS HEARD...TAKE SHELTER IMMEDIATELY. MOVE INSIDE A STURDY BUILDING OR AN ENCLOSED METAL VEHICLE TO AVOID BEING STRUCK BY LIGHTNING. REMEMBER...LIGHTNING CAN STRIKE MORE THAN 10 MILES AWAY FROM THE CENTER< OF A STORM. DON'T WAIT UNTIL THE STORM IS DIRECTLY OVERHEAD BEFORE TAKING SHELTER. THE GRAPHICAL VERSION OF THIS HAZARDOUS WEATHER OUTLOOK IS AVAILABLE AT HTTP://WWW.SRH.NOAA.GOV/MLB/HWOFILES/HWOMAIN.HTML BRAGAW
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every 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.