Alert archive / Florida / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 13, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Apr 9, 2006, 12:43 PM EDT for Palm Beach County, Florida. It was in force for 28 min. 2 reports 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
- Apr 9, 2006, 12:43 PM EDT (16:43 UTC)
- Expired
- Apr 9, 2006, 1:11 PM EDT
- In force
- 28 min
- Issued by
- NWS Miami, FL
- Area
- Counties, with a storm outline in the text
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 107 km from the middle of the area, began a volume at 16:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 12:44 PM EDT | HAIL 0.25 | Boynton Beach, FL | |
| Apr 9, 12:45 PM EDT | TSTM WND GST 55 | Boynton Beach, FL | SPOTTER ALSO REPORTED PEA SIZE HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 9, 11:23 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 4.7 hours before the alert went out and 81 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
- 1156 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMFL 091643 SVRMFL FLC099-091745- /O.NEW.KMFL.SV.W.0013.060409T1643Z-060409T1745Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 1243 PM EDT SUN APR 9 2006 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME EAST CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 145 PM EDT * AT 1239 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BOYNTON BEACH...AND MOVING EAST AT 15 MPH. * THE STORM WILL AFFECT... BOYNTON BEACH BY 1245 PM EDT. OCEAN RIDGE BY 1250 PM EDT. LAT...LON 2658 8016 2647 8018 2647 8007 2658 8006 $$ KOB
2 follow-up statements
000 WWUS52 KMFL 091704 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 103 PM EDT SUN APR 9 2006 FLC099-091745- /O.CON.KMFL.SV.W.0013.000000T0000Z-060409T1745Z/ PALM BEACH FL- 103 PM EDT SUN APR 9 2006 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR EXTREME EAST CENTRAL PALM BEACH COUNTY... AT 1259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MANALPAN...OR ABOUT NEAR BOYNTON BEACH...MOVING EAST AT 15 MPH. . A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR SOUTHERN FLORIDA. LAT...LON 2658 8016 2647 8018 2647 8007 2658 8006 $$ KOB
000 WWUS52 KMFL 091711 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 110 PM EDT SUN APR 9 2006 FLC099-091720- /O.CAN.KMFL.SV.W.0013.000000T0000Z-060409T1745Z/ PALM BEACH FL- 110 PM EDT SUN APR 9 2006 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EAST CENTRAL PALM BEACH COUNTY IS CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE STORM THAT PROMPTED THE WARNING HAS MOVED OFFSHORE...THUS THE WARNING HAS BEEN CANCELLED. HOWEVER...ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP ACROSS EASTERN AND SOUTHERN PALM BEACH COUNTY AND WILL BE MOVING EAST AT 10 MPH. A FEW OF THESE STORMS MAY ALSO BECOME SEVERE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR SOUTHERN FLORIDA. LAT...LON 2658 8016 2647 8018 2647 8007 2658 8006 $$ KOB
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:00 PM EDT | Special Marine Warning | MFL | 60 min | |
| Apr 9, 1:26 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 64 min |
| Apr 9, 1:46 PM EDT | Special Marine Warning | MFL | 59 min | |
| Apr 9, 2:10 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Apr 9, 2:46 PM EDT | Special Marine Warning | MFL | 59 min | |
| Apr 9, 2:49 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 31 min |
| Apr 9, 3:45 PM EDT | Special Marine Warning | MFL | 60 min | |
| Apr 9, 4:14 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Apr 9, 5:26 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 64 min |
| Apr 9, 5:37 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 22 min |
| Apr 9, 6:30 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 32 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006
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.