Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 17, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jun 11, 2001, 8:15 PM EDT for Miami-Dade County, Florida. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 11, 2001, 8:15 PM EDT (00:15 UTC)
- Expired
- Jun 11, 2001, 9:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Miami-Dade County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 8:30 PM EDT | Thunderstorm Wind 50 E | Hialeah, FL | Tree limbs and power lines were blown down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 0.3 hours before the alert went out and 31 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
- 3395 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 1:55 PM EDT, 6 hours 20 minutes earlier.
Area forecast discussion, Jun 11, 1:55 PM EDT, 6 hours 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 155 PM EDT MON JUN 11 2001 THE 12Z MODEL RUNS ALL SEEM TO BE IN PRETTY GOOD AGREEMENT AND NOT PLANNING ANY MAJOR CHANGES TO EXISTING FORECAST. MAIN WEATHER FEATURE OF INTEREST CONTINUES TO BE POSITION AND FORECAST TRACK OF REMAINS OF ALLISON. AVN AND ETA BOTH TAKE SYSTEM FROM CURRENT LOCATION...WHICH IS JUST NORTHWEST OF MOBILE...AND MOVE IT ON NORTHEAST TRACK TO NORTHEAST ALABAMA BY EARLY TUESDAY AFTERNOON. MODELS THEN WEAKEN IT FURTHER AS IT MOVES INTO MID ATLANTIC STATES TOWARD THE END OF THE WEEK. CLOSER TO HOME...THUNDERSTORMS SLOW TO GET GOING AGAIN TODAY AND EXPECT LATE AFTERNOON DEVELOPMENT WHERE SEA BREEZES COLLIDE THEN ACTIVITY SHOULD MOVE EAST. EXPECT ONLY SCATTERED COVERAGE AT THE MOST. FOR THE REMAINDER OF THE SHORT TERM PERIOD...SURFACE RIDGE AXIS WHICH CURRENTLY LIES OVER EXTREME SOUTH FLORIDA IS FORECAST TO SLOWLY MIGRATE NORTH AND BE LOCATED NEAR OR JUST NORTH OF LAKE OKEECHOBEE BY WEDNESDAY MORNING. ETA/AVN ADVECT DRIER AIR INTO AREA...WITH FORECAST SOUNDINGS INDICATING PRECIPITABLE WATERS DROPPING BETWEEN A QUARTER AND A HALF INCH DURING THE NEXT THIRTY SIX HOURS. WITH THIS IN MIND...WILL GO WITH ONLY SCATTERED COVERAGE AT THE MOST WITH HIGHEST POPS OVER INTERIOR AREAS. BY WEDNESDAY...EASTERLY FLOW SHOULD BE STRONG ENOUGH TO KEEP BULK OF ACTIVITY FURTHER INLAND WITH TRANSITION TO LATE NIGHT/MORNING SHOWERS EAST COAST AND INTERIOR/WEST COAST DURING THE AFTERNOON. AS FAR AS TEMPS GO...LOOKS LIKE ANOTHER VERY WARM DAY TUESDAY..THEN NOT QUITE AS WARM WEDNESDAY WITH EARLIER SEA BREEZE ALONG EAST COAST. MARINE...NO PROBLEMS HERE. WINDS MAINLY 5 TO 10 KNOTS OR LESS THROUGH WEDNESDAY...THEN ABOUT 10 KNOTS THROUGH EXTENDED AS RIDGE RETREATS NORTH OR AREA. FIRE WEATHER...NO HIGHLIGHTS. EXTENDED...LATEST AVN MODEL KEEPS SURFACE RIDGE TO THE NORTH OF LAKE OKEECHOBEE THROvUGH MOST OF THE PERIOD...SO WILL KEEP EXTENDED PRETTY MUCH UNCHANGED. MIA BB 076/091 075/091 077 483333 PBI BB 074/091 075/091 077 483333 .MIA...NONE. KOSIER
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 4:53 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 67 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.